2.5.4

The release blog entry is here:
  https://pypy.org/posts/2025/02/pypy-v7319-release.html

.agignore

@@ -0,0 +1,2 @@
+./versions
+./cache

.dockerignore

@@ -0,0 +1,4 @@
+.git/
+.python-version
+.vscode/
+.idea/

.editorconfig

@@ -0,0 +1,11 @@
+# Editor configuration, see https://editorconfig.org
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+
+# Makefiles always use tabs for indentation
+[Makefile]
+indent_style = tab
+indent_size = unset # Allow user-defined tab width

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [pyenv] # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: pyenv # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,26 @@
+Too many issues will kill our team's development velocity, drastically.
+Make sure you have checked all steps below.
+
+### Prerequisite
+* [ ] Make sure your problem is not listed in [the common build problems](https://github.com/pyenv/pyenv/wiki/Common-build-problems).
+* [ ] Make sure no duplicated issue has already been reported in [the pyenv issues](https://github.com/pyenv/pyenv/issues). You should look for closed issues, too.
+* [ ] Make sure you are not asking us to help solving your specific issue.
+  * GitHub issues is opened mainly for development purposes. If you want to ask someone to help solving your problem, go to some community site like [Gitter](https://gitter.im/yyuu/pyenv), [StackOverflow](https://stackoverflow.com/questions/tagged/pyenv), etc.
+* [ ] Make sure your problem is not derived from packaging (e.g. [Homebrew](https://brew.sh)).
+  * Please refer to the package documentation for the installation issues, etc.
+* [ ] Make sure your problem is not derived from plugins.
+  * This repository is maintaining `pyenv` and the default `python-build` plugin only. Please refrain from reporting issues of other plugins here.
+
+### Description
+- [ ] Platform information (e.g. Ubuntu Linux 16.04):
+- [ ] OS architecture (e.g. amd64):
+- [ ] pyenv version:
+- [ ] Python version:
+- [ ] C Compiler information (e.g. gcc 7.3): 
+- [ ] Please attach the debug trace of the failing command as a gist:
+  * Run `env PYENV_DEBUG=1 <faulty command> 2>&1 | tee trace.log` and attach `trace.log`. E.g. if you have a problem with installing Python, run `env PYENV_DEBUG=1 pyenv install -v <version> 2>&1 | tee trace.log` (note the `-v` option to `pyenv install`).
+- [ ] If you have a problem with installing Python, please also attach `config.log` from the build directory
+  * The build directory is reported after the "BUILD FAILED" message and is usually under `/tmp`.
+- [ ] If the build succeeds but the problem is still with the build process (e.g. the resulting Python is missing a feature), please attach
+  * the debug trace from reinstalling the faulty version with `env PYENV_DEBUG=1 pyenv install -f -k -v <version> 2>&1 | tee trace.log`
+  * `config.log` from the build directory. When using `pyenv install` with `-k` as per above, the build directory will be under `$PYENV_ROOT/sources`.

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,16 @@
+Make sure you have checked all steps below.
+
+### Prerequisite
+* [ ] Please consider implementing the feature as a hook script or plugin as a first step.
+  * pyenv has some powerful support for plugins and hook scripts. Please refer to [Authoring plugins](https://github.com/pyenv/pyenv/wiki/Authoring-plugins) for details and try to implement it as a plugin if possible.
+* [ ] Please consider contributing the patch upstream to [rbenv](https://github.com/rbenv/rbenv), since we have borrowed most of the code from that project.
+  * We occasionally import the changes from rbenv. In general, you can expect changes made in rbenv will be imported to pyenv too, eventually.
+  * Generally speaking, we prefer not to make changes in the core in order to keep compatibility with rbenv.
+* [ ] My PR addresses the following pyenv issue (if any)
+  - Closes https://github.com/pyenv/pyenv/issues/XXXX
+
+### Description
+- [ ] Here are some details about my PR
+
+### Tests
+- [ ] My PR adds the following unit tests (if any)

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      github-actions:
+        patterns:
+          - "*"

.github/workflows/macos_build.yml

@@ -0,0 +1,43 @@
+name: macos_build
+on: [pull_request, push]
+
+permissions:
+  contents: read  #  to fetch code (actions/checkout)
+
+jobs:
+  macos_build:
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version:
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          - "3.12"
+          - "3.13"
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v4
+      # Normally, we would use the superbly maintained...
+      # - uses: actions/setup-python@v2
+      #   with:
+      #    python-version: ${{ matrix.python-version }}
+      # ... but in the repo, we want to test pyenv builds on macOS
+      - run: |
+          brew install openssl readline sqlite3 xz zlib
+      # https://github.com/pyenv/pyenv#installation
+      - run: pwd
+      - env:
+          PYENV_ROOT: /Users/runner/work/pyenv/pyenv
+        run: |
+          echo $PYENV_ROOT
+          echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
+          bin/pyenv --debug install ${{ matrix.python-version }}
+          bin/pyenv global ${{ matrix.python-version }}
+          bin/pyenv rehash
+      - run: python --version
+      - run: python -m pip --version
+      - shell: python  # Prove that actual Python == expected Python
+        env:
+          EXPECTED_PYTHON: ${{ matrix.python-version }}
+        run: import os, sys ; assert sys.version.startswith(os.getenv("EXPECTED_PYTHON"))

.github/workflows/modified_scripts_build.yml

@@ -0,0 +1,269 @@
+name: modified_scripts
+on: [pull_request]
+jobs:
+  discover_modified_scripts:
+    runs-on: ubuntu-latest
+    outputs:
+      versions: ${{steps.modified-versions.outputs.versions}}
+    steps:
+      - uses: actions/checkout@v4
+      - run: git fetch origin "$GITHUB_BASE_REF"
+      - shell: bash
+        run: >
+          versions=$(git diff "origin/$GITHUB_BASE_REF" --name-only -z
+          | perl -ne 'BEGIN {$\="\n";$/="\0";} chomp;
+            if (/^plugins\/python-build\/share\/python-build\/(?:([^\/]+)|patches\/([^\/]+)\/.*)$/ and -e $& )
+                { print $1.$2; }' \
+          | sort -u);
+          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64);
+          echo "versions<<$EOF" >> $GITHUB_ENV;
+          echo "$versions" >> $GITHUB_ENV;
+          echo "$EOF" >> $GITHUB_ENV;
+          
+          versions_cpython_only=$(grep -Ee '^[[:digit:]]' <<<"$version")
+          EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64);
+          echo "versions_cpython_only<<$EOF" >> $GITHUB_ENV;
+          echo $versions_cpython_only >> $GITHUB_ENV;
+          echo "$EOF" >> $GITHUB_ENV;
+      - id: modified-versions
+        run: |
+          echo "versions=`echo "${{ env.versions }}" | jq -R . | jq -sc .`" >> $GITHUB_OUTPUT
+          echo "versions_cpython_only=`echo "${{ env.versions_cpython_only }}" | jq -R . | jq -sc .`" >> $GITHUB_OUTPUT
+  macos_build:
+    needs: discover_modified_scripts
+    if: needs.discover_modified_scripts.outputs.versions != '[""]'
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ${{fromJson(needs.discover_modified_scripts.outputs.versions)}}
+        os: ["macos-13", "macos-14"]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          #envvars
+          export PYENV_ROOT="$GITHUB_WORKSPACE"
+          echo "PYENV_ROOT=$PYENV_ROOT" >> $GITHUB_ENV
+          echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
+      - run: |
+          #prerequisites
+          brew install openssl openssl@1.1 readline sqlite3 xz zlib
+          if [[ "${{ matrix.python-version }}" =~ pypy.*-(src|dev) ]]; then
+            export PYENV_BOOTSTRAP_VERSION=pypy2.7-7
+            echo "PYENV_BOOTSTRAP_VERSION=$PYENV_BOOTSTRAP_VERSION" >> $GITHUB_ENV
+            pyenv install $PYENV_BOOTSTRAP_VERSION
+          fi
+      - run: |
+          #build
+          pyenv --debug install ${{ matrix.python-version }}
+          pyenv global ${{ matrix.python-version }}
+      # Micropython doesn't support --version
+      - run: |
+          #print version
+          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
+            python -c 'import sys; print(sys.version)'
+          else
+            python --version
+            python -m pip --version
+          fi
+      # Micropython doesn't support sys.executable, os.path, older versions even os
+      - env:
+          EXPECTED_PYTHON: ${{ matrix.python-version }}
+        run: |
+          #check
+          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
+            [[ $(pyenv which python) == "${{ env.PYENV_ROOT }}/versions/${{ matrix.python-version }}/bin/python" ]] || exit 1
+            python -c 'import sys; assert sys.implementation.name == "micropython"'
+          else
+            python -c 'if True:
+            import os, sys, os.path
+            correct_dir = os.path.join(
+              os.environ["PYENV_ROOT"],
+              "versions",
+              os.environ["EXPECTED_PYTHON"],
+              "bin")
+            assert os.path.dirname(sys.executable) == correct_dir'
+          fi
+      # bundled executables in some Anaconda releases cause the post-run step to hang in MacOS
+      - run: |
+          pyenv global system
+          rm -f "$(pyenv root)"/shims/*
+
+  macos_build_bundled_dependencies:
+    needs: discover_modified_scripts
+    if: needs.discover_modified_scripts.outputs.versions_cpython_only != '[""]'
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ${{fromJson(needs.discover_modified_scripts.outputs.versions_cpython_only)}}
+        os: ["macos-13", "macos-14"]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          #envvars
+          export PYENV_ROOT="$GITHUB_WORKSPACE"
+          echo "PYENV_ROOT=$PYENV_ROOT" >> $GITHUB_ENV
+          echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
+      - run: |
+          #prerequisites
+          brew install sqlite3 xz zlib
+          "$GITHUB_WORKSPACE/.github/workflows/scripts/brew-uninstall-cascade.sh" openssl@3 openssl@1.1 readline
+          if [[ "${{ matrix.python-version }}" =~ pypy.*-(src|dev) ]]; then
+            export PYENV_BOOTSTRAP_VERSION=pypy2.7-7
+            echo "PYENV_BOOTSTRAP_VERSION=$PYENV_BOOTSTRAP_VERSION" >> $GITHUB_ENV
+            pyenv install $PYENV_BOOTSTRAP_VERSION
+          fi
+      - run: |
+          #build
+          pyenv --debug install ${{ matrix.python-version }}
+          pyenv global ${{ matrix.python-version }}
+      # Micropython doesn't support --version
+      - run: |
+          #print version
+          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
+            python -c 'import sys; print(sys.version)'
+          else
+            python --version
+            python -m pip --version
+          fi
+      # Micropython doesn't support sys.executable, os.path, older versions even os
+      - env:
+          EXPECTED_PYTHON: ${{ matrix.python-version }}
+        run: |
+          #check
+          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
+            [[ $(pyenv which python) == "${{ env.PYENV_ROOT }}/versions/${{ matrix.python-version }}/bin/python" ]] || exit 1
+            python -c 'import sys; assert sys.implementation.name == "micropython"'
+          else
+            python -c 'if True:
+            import os, sys, os.path
+            correct_dir = os.path.join(
+              os.environ["PYENV_ROOT"],
+              "versions",
+              os.environ["EXPECTED_PYTHON"],
+              "bin")
+            assert os.path.dirname(sys.executable) == correct_dir'
+          fi
+      # bundled executables in some Anaconda releases cause the post-run step to hang in MacOS
+      - run: |
+          pyenv global system
+          rm -f "$(pyenv root)"/shims/*
+
+  ubuntu_build:
+    needs: discover_modified_scripts
+    if: needs.discover_modified_scripts.outputs.versions != '[""]'
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ${{fromJson(needs.discover_modified_scripts.outputs.versions)}}
+        os: ["ubuntu-22.04", "ubuntu-24.04"]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          #envvars
+          export PYENV_ROOT="$GITHUB_WORKSPACE"
+          echo "PYENV_ROOT=$PYENV_ROOT" >> $GITHUB_ENV
+          echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
+      - run: |
+          #prerequisites
+          sudo apt-get update -q; sudo apt-get install -yq make build-essential \
+            libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev \
+            curl llvm libncurses5-dev libncursesw5-dev \
+            xz-utils tk-dev libffi-dev liblzma-dev
+          if [[ "${{ matrix.python-version }}" =~ pypy.*-(src|dev) ]]; then
+            export PYENV_BOOTSTRAP_VERSION=pypy2.7-7
+            echo "PYENV_BOOTSTRAP_VERSION=$PYENV_BOOTSTRAP_VERSION" >> $GITHUB_ENV
+            pyenv install $PYENV_BOOTSTRAP_VERSION
+          fi
+      - run: |
+          #build
+          pyenv install -v ${{ matrix.python-version }}
+          pyenv global ${{ matrix.python-version }}
+      # Micropython doesn't support --version
+      - run: |
+          #print version
+          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
+            python -c 'import sys; print(sys.version)'
+          else
+            python --version
+            python -m pip --version
+          fi
+      # Micropython doesn't support sys.executable, os.path, older versions even os
+      - env:
+          EXPECTED_PYTHON: ${{ matrix.python-version }}
+        run: |
+          #check
+          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
+            [[ $(pyenv which python) == "${{ env.PYENV_ROOT }}/versions/${{ matrix.python-version }}/bin/python" ]] || exit 1
+            python -c 'import sys; assert sys.implementation.name == "micropython"'
+          else
+            python -c 'if True:
+            import os, sys, os.path
+            correct_dir = os.path.join(
+              os.environ["PYENV_ROOT"],
+              "versions",
+              os.environ["EXPECTED_PYTHON"],
+              "bin")
+            assert os.path.dirname(sys.executable) == correct_dir'
+          fi
+  ubuntu_build_tar_gz:
+    needs: discover_modified_scripts
+    if: needs.discover_modified_scripts.outputs.versions_cpython_only != '[""]'
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ${{fromJson(needs.discover_modified_scripts.outputs.versions_cpython_only)}}
+        os: ["ubuntu-latest"]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          #envvars
+          export PYENV_ROOT="$GITHUB_WORKSPACE"
+          echo "PYENV_ROOT=$PYENV_ROOT" >> $GITHUB_ENV
+          echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
+          echo "_PYTHON_BUILD_FORCE_SKIP_XZ=1" >> $GITHUB_PATH
+      - run: |
+          #prerequisites
+          sudo apt-get update -q; sudo apt-get install -yq make build-essential \
+            libssl-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev \
+            curl llvm libncurses5-dev libncursesw5-dev \
+            xz-utils tk-dev libffi-dev liblzma-dev
+          if [[ "${{ matrix.python-version }}" =~ pypy.*-(src|dev) ]]; then
+            export PYENV_BOOTSTRAP_VERSION=pypy2.7-7
+            echo "PYENV_BOOTSTRAP_VERSION=$PYENV_BOOTSTRAP_VERSION" >> $GITHUB_ENV
+            pyenv install $PYENV_BOOTSTRAP_VERSION
+          fi
+      - run: |
+          #build
+          pyenv install -v ${{ matrix.python-version }}
+          pyenv global ${{ matrix.python-version }}
+      # Micropython doesn't support --version
+      - run: |
+          #print version
+          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
+            python -c 'import sys; print(sys.version)'
+          else
+            python --version
+            python -m pip --version
+          fi
+      # Micropython doesn't support sys.executable, os.path, older versions even os
+      - env:
+          EXPECTED_PYTHON: ${{ matrix.python-version }}
+        run: |
+          #check
+          if [[ "${{ matrix.python-version }}" == "micropython-"* ]]; then
+            [[ $(pyenv which python) == "${{ env.PYENV_ROOT }}/versions/${{ matrix.python-version }}/bin/python" ]] || exit 1
+            python -c 'import sys; assert sys.implementation.name == "micropython"'
+          else
+            python -c 'if True:
+            import os, sys, os.path
+            correct_dir = os.path.join(
+              os.environ["PYENV_ROOT"],
+              "versions",
+              os.environ["EXPECTED_PYTHON"],
+              "bin")
+            assert os.path.dirname(sys.executable) == correct_dir'
+          fi

.github/workflows/no-response.yml

@@ -0,0 +1,30 @@
+name: No Response
+
+# Both `issue_comment` and `scheduled` event types are required for this Action
+# to work properly.
+on:
+  issue_comment:
+    types: [created]
+  schedule:
+    # Schedule for ten minutes after the hour, every hour
+    - cron: '10 * * * *'
+
+permissions: {}
+jobs:
+  noResponse:
+    permissions:
+      issues: write  #  to update issues (lee-dohm/no-response)
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: lee-dohm/no-response@v0.5.0
+        with:
+          token: ${{ github.token }}
+          daysUntilClose: 30
+          responseRequiredLabel: need-feedback
+          closeComment: >
+              This issue has been automatically closed because there has been no response
+              to our request for more information from the original author. With only the
+              information that is currently in the issue, we don't have enough information
+              to take action. Please reach out if you have or find the answers we need so
+              that we can investigate further.

.github/workflows/pyenv_tests.yml

@@ -0,0 +1,49 @@
+name: pyenv_tests
+on: [pull_request, push]
+
+permissions:
+  contents: read  #  to fetch code (actions/checkout)
+
+jobs:
+  pyenv_tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-24.04
+          - ubuntu-22.04
+          - macos-14
+          - macos-13
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      # Normally, we would use the superbly maintained...
+      # - uses: actions/setup-python@v2
+      #   with:
+      #    python-version: ${{ matrix.python-version }}
+      # ... but in the repo, we want to test pyenv builds on Ubuntu
+      # - run: |
+          # sudo apt-get install -y build-essential libssl-dev zlib1g-dev libbz2-dev \
+              # libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
+              # xz-utils tk-dev libffi-dev liblzma-dev python-openssl git
+      # https://github.com/pyenv/pyenv#installation
+      - run: |
+          if test "$RUNNER_OS" == "macOS"; then
+            brew install coreutils fish
+          elif [[ $(lsb_release -sr | awk -F. '{print $1}') -ge 20 ]]; then
+            # Ubuntu 18 has fish 2 which lacks many features that facilitate testing
+            sudo apt install fish -yq
+          fi
+      - run: pwd
+      - env:
+          PYENV_ROOT: /home/runner/work/pyenv/pyenv
+        run: |
+          echo $PYENV_ROOT
+          echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
+      - run: |
+          make test
+      - env:
+          PYENV_NATIVE_EXT: 1
+        run: |
+          (cd src; ./configure; make)
+          bats/bin/bats test/{pyenv,hooks,versions}.bats

.github/workflows/scripts/brew-uninstall-cascade.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+declare -a packages rdepends
+packages=("$@")
+
+# have to try one by one, otherwise `brew uses` would only print
+# packages that require them all rather than any of them
+for package in "${packages[@]}"; do
+  rdepends+=($(brew uses --installed --include-build --include-test --include-optional --recursive "$package"))
+done
+brew uninstall "${packages[@]}" "${rdepends[@]}"

.github/workflows/ubuntu_build.yml

@@ -0,0 +1,45 @@
+name: ubuntu_build
+on: [pull_request, push]
+
+permissions:
+  contents: read  #  to fetch code (actions/checkout)
+
+jobs:
+  ubuntu_build:
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version:
+          - "3.9"
+          - "3.10"
+          - "3.11"
+          - "3.12"
+          - "3.13"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      # Normally, we would use the superbly maintained...
+      # - uses: actions/setup-python@v2
+      #   with:
+      #    python-version: ${{ matrix.python-version }}
+      # ... but in the repo, we want to test pyenv builds on Ubuntu
+      - run: |
+          sudo apt-get update -q; sudo apt install -yq make build-essential libssl-dev zlib1g-dev \
+          libbz2-dev libreadline-dev libsqlite3-dev curl \
+          libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev libffi-dev liblzma-dev
+      # https://github.com/pyenv/pyenv#installation
+      - run: pwd
+      - env:
+          PYENV_ROOT: /home/runner/work/pyenv/pyenv
+        run: |
+          echo $PYENV_ROOT
+          echo "$PYENV_ROOT/shims:$PYENV_ROOT/bin" >> $GITHUB_PATH
+          bin/pyenv --debug install ${{ matrix.python-version }}
+          bin/pyenv global ${{ matrix.python-version }}
+          bin/pyenv rehash
+      - run: python --version
+      - run: python -m pip --version
+      - shell: python  # Prove that actual Python == expected Python
+        env:
+          EXPECTED_PYTHON: ${{ matrix.python-version }}
+        run: import os, sys ; assert sys.version.startswith(os.getenv("EXPECTED_PYTHON"))

.gitignore

@@ -1,6 +1,12 @@
-/build
-/cache
 /shims
 /version
 /versions
 /sources
+/cache
+/libexec/*.dylib
+/src/Makefile
+/src/*.o
+/bats/
+/default-packages
+.idea
+*.un~

.travis.yml

@@ -1,6 +0,0 @@
-install: git clone --depth 1 https://github.com/sstephenson/bats.git
-script: script/test
-language: c
-notifications:
-  email:
-    on_success: never

.vimrc

@@ -0,0 +1 @@
+set wildignore+=versions/*,cache/*

COMMANDS.md

@@ -1,10 +1,11 @@
 # Command Reference
 
 Like `git`, the `pyenv` command delegates to subcommands based on its
-first argument. 
+first argument.
 
 The most common subcommands are:
 
+* [`pyenv help`](#pyenv-help)
 * [`pyenv commands`](#pyenv-commands)
 * [`pyenv local`](#pyenv-local)
 * [`pyenv global`](#pyenv-global)
@@ -16,6 +17,18 @@ The most common subcommands are:
 * [`pyenv versions`](#pyenv-versions)
 * [`pyenv which`](#pyenv-which)
 * [`pyenv whence`](#pyenv-whence)
+* [`pyenv exec`](#pyenv-exec)
+* [`pyenv root`](#pyenv-root)
+* [`pyenv prefix`](#pyenv-prefix)
+* [`pyenv latest`](#pyenv-latest)
+* [`pyenv hooks`](#pyenv-hooks)
+* [`pyenv shims`](#pyenv-shims)
+* [`pyenv init`](#pyenv-init)
+* [`pyenv completions`](#pyenv-completions)
+
+## `pyenv help`
+
+List all available pyenv commands along with a brief description of what they do. Run `pyenv help <command>` for information on a specific command. For full documentation, see: https://github.com/pyenv/pyenv#readme
 
 
 ## `pyenv commands`
@@ -78,6 +91,10 @@ or, if you prefer 3.3.3 over 2.7.6,
     Python 3.3.3
 
 
+You can use the `-f/--force` flag to force setting versions even if some aren't installed.
+This is mainly useful in special cases like provisioning scripts.
+
+
 ## `pyenv global`
 
 Sets the global version of Python to be used in all shells by writing
@@ -185,14 +202,15 @@ or, if you prefer 3.3.3 over 2.7.6,
 
 ## `pyenv install`
 
-Install a Python version (using `python-build`).
+Install a Python version (using [`python-build`](https://github.com/pyenv/pyenv/tree/master/plugins/python-build)).
 
     Usage: pyenv install [-f] [-kvp] <version>
            pyenv install [-f] [-kvp] <definition-file>
            pyenv install -l|--list
 
-      -l/--list        List all available versions
+      -l/--list             List all available versions
-      -f/--force       Install even if the version appears to be installed already
+      -f/--force            Install even if the version appears to be installed already
+      -s/--skip-existing    Skip the installation if the version appears to be installed already
 
       python-build options:
 
@@ -202,12 +220,38 @@ Install a Python version (using `python-build`).
       -p/--patch       Apply a patch from stdin before building
       -g/--debug       Build a debug version
 
+To list the all available versions of Python, including Anaconda, Jython, pypy, and stackless, use:
+
+    $ pyenv install --list
+
+Then install the desired versions:
+
+    $ pyenv install 2.7.6
+    $ pyenv install 2.6.8
+    $ pyenv versions
+      system
+      2.6.8
+    * 2.7.6 (set by /home/yyuu/.pyenv/version)
+
+You can also install the latest version of Python in a specific version line by supplying a prefix instead of a complete name:
+
+    $ pyenv install 3.10
+
+See the [`pyenv latest` documentation](#pyenv-latest) for details on prefix resolution.
+
+An older option is to use the `:latest` syntax. For example, to install the latest patch version for Python 3.8 you could do:
+
+    pyenv install 3.8:latest
+
+To install the latest major release for Python 3 try:
+
+    pyenv install 3:latest
 
 ## `pyenv uninstall`
 
-Uninstall a specific Python version.
+Uninstall Python versions.
 
-    Usage: pyenv uninstall [-f|--force] <version>
+    Usage: pyenv uninstall [-f|--force] <version> ...
 
        -f  Attempt to remove the specified version without prompting
            for confirmation. If the version does not exist, do not
@@ -254,6 +298,8 @@ you run the given command.
     $ pyenv which python3.3
     /home/yyuu/.pyenv/versions/3.3.3/bin/python3.3
 
+Use --nosystem argument in case when you don't need to search command in the 
+system environment.
 
 ## `pyenv whence`
 
@@ -264,23 +310,96 @@ Lists all Python versions with the given command installed.
     2.7.6
     3.3.3
 
+## `pyenv exec`
 
-## `pyenv install`
+    Usage: pyenv exec <command> [arg1 arg2...]
 
-Part of [Python-build](https://github.com/yyuu/pyenv/tree/master/plugins/python-build), this installs versions of python
+Runs an executable by first preparing PATH so that the selected Python
+version's `bin` directory is at the front.
 
-    $ pyenv install 2.7.6
+For example, if the currently selected Python version is 3.9.7:
-    $ pyenv install 2.6.8
-    $ pyenv versions
-      system
-      2.6.8
-    * 2.7.6 (set by /home/yyuu/.pyenv/version)
 
+    pyenv exec pip install -r requirements.txt
+    
+is equivalent to:
 
-## `pyenv install --list`
+    PATH="$PYENV_ROOT/versions/3.9.7/bin:$PATH" pip install -r requirements.txt
 
-List available remote versions of Python, including Anaconda, Jython, pypy, and stackless
+## `pyenv root`
 
-    $ pyenv install --list
+Displays the root directory where versions and shims are kept.
 
+    $ pyenv root
+    /home/user/.pyenv
 
+## `pyenv prefix`
+
+Displays the directories where the given Python versions are installed,
+separated by colons. If no version is given, `pyenv prefix` displays the
+locations of the currently selected versions.
+
+    $ pyenv prefix 3.9.7
+    /home/user/.pyenv/versions/3.9.7
+
+## `pyenv latest`
+
+Displays the latest installed or known version with the given prefix
+
+    Usage: pyenv latest [-k|--known] [-q|--quiet] <prefix>
+
+     -k/--known      Select from all known versions instead of installed
+     -q/--quiet      Do not print an error message on resolution failure
+
+Only full prefixes are searched: in the actual name, the given prefix must be followed by a dot or a dash.
+
+Prereleases and versions with specific suffixes (e.g. `-src`) are ignored.
+
+## `pyenv hooks`
+
+Lists installed hook scripts for a given pyenv command.
+
+    Usage: pyenv hooks <command>
+
+## `pyenv shims`
+
+List existing pyenv shims.
+
+    Usage: pyenv shims [--short]
+
+    $ pyenv shims
+    /home/user/.pyenv/shims/2to3
+    /home/user/.pyenv/shims/2to3-3.9
+    /home/user/.pyenv/shims/idle
+    /home/user/.pyenv/shims/idle3
+    /home/user/.pyenv/shims/idle3.9
+    /home/user/.pyenv/shims/pip
+    /home/user/.pyenv/shims/pip3
+    /home/user/.pyenv/shims/pip3.9
+    /home/user/.pyenv/shims/pydoc
+    /home/user/.pyenv/shims/pydoc3
+    /home/user/.pyenv/shims/pydoc3.9
+    /home/user/.pyenv/shims/python
+    /home/user/.pyenv/shims/python3
+    /home/user/.pyenv/shims/python3.9
+    /home/user/.pyenv/shims/python3.9-config
+    /home/user/.pyenv/shims/python3.9-gdb.py
+    /home/user/.pyenv/shims/python3-config
+    /home/user/.pyenv/shims/python-config
+
+## `pyenv init`
+
+Configure the shell environment for pyenv
+
+    Usage: eval "$(pyenv init [-|--path] [--no-push-path] [--no-rehash] [<shell>])"
+
+      -                    Initialize shims directory, print PYENV_SHELL variable, completions path
+                           and shell function
+      --path               Print shims path
+      --no-push-path       Do not push shim to the start of PATH if they're already there
+      --no-rehash          Add no rehash command to output     
+
+## `pyenv completions`
+
+Lists available completions for a given pyenv command.
+
+    Usage: pyenv completions <command> [arg1 arg2...]

CONDUCT.md

@@ -0,0 +1,80 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, gender identity and expression, level of experience,
+nationality, personal appearance, race, religion, or sexual identity and
+orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+  address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+  professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting one of the project maintainers listed below. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Project Maintainers
+
+* Yamashita, Yuu <<peek824545201@gmail.com>>
+* Daniel Hahler <<git@thequod.de>>
+* Josh Friend <<josh@fueledbycaffeine.com>>
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at [http://contributor-covenant.org/version/1/4][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/4/

CONTRIBUTING.md

@@ -0,0 +1,109 @@
+General guidance
+================
+
+* The usual principles of respecting existing conventions and making sure that your changes
+  are in line with the overall product design apply when contributing code to Pyenv.
+
+* We are limited to Bash 3.2 features
+
+  That's because that's the version shipped with MacOS.
+  (They didn't upgrade past it and switched to Zsh because later versions
+  are covered by GPLv3 which has additional restrictions unacceptable for Apple.)
+
+  You can still add performance optimizations etc that take advantage of newer Bash features
+  as long as there is a fallback execution route for Bash 3.
+
+* Be extra careful when submitting logic specific for the Apple Silicon platform
+
+  As of this writing, Github Actions do not support it and only one team member has the necessary hardware.
+  So we may be unable to test your changes and may have to take your word for it.
+
+
+Formatting PRs
+==============
+
+We strive to keep commit history one-concern-per-commit to keep it meaningful and easy to follow.
+If a pull request (PR) addresses a single concern (the typical case), we usually squash commits
+from it together when merging so its commit history doesn't matter.
+If however a PR addresses multiple separate concerns, each of them should be presented as a separate commit.
+Adding multiple new Python releases of the same flavor is okay with either a single or multiple commits.
+
+
+Authoring installation scripts
+==============================
+
+Adding new Python release support
+---------------------------------
+
+The easiest way to add support for a new Python release is to copy the script from the previous one
+and adjust it as necessary. In many cases, just changing version numbers, URLs and hashes is enough.
+Do pay attention to other "magic numbers" that may be present in a script --
+e.g. the set of architectures and OS versions supported by a release -- since those change from time to time, too.
+
+Make sure to also copy any patches for the previous release that still apply to the new one.
+Typically, a patch no longer applies if it addresses a problem that's already fixed in the new release.
+
+For prereleases, we only create an entry for the latest prerelease in a specific version line.
+When submitting a newer prerelease, replace the older one.
+
+
+Adding version-specific fixes/patches
+-------------------------------------
+
+We accept fixes to issues in specific Python releases that prevent users from using them with Pyenv.
+
+In the default configuration for a Python release, we strive to provide as close to vanilla experience as practical,
+to maintain [the principle of the least surprise](https://en.wikipedia.org/wiki/Principle_of_least_astonishment).
+As such, any such fixes:
+
+* Must not break or degrade (e.g. disable features) the build in any of the environments that the release officially supports
+* Must not introduce incompatibilities with the vanilla release (including binary incompatibilities)
+* Should not patch things unnecessarily, to minimize the risk of the aforementioned undesirable side effects.
+  * E.g. if the fix is for a specific environment, its logic ought to only fire in this specific environment and not touch execution paths for other environments.
+  * As such, it's advisable to briefly explain in the PR what each added patch does and why it is necessary to fix the declared problem
+
+Generally, version-specific fixes belong in the scripts for the affected releases and/or patches for them -- this guarantees that their effect is limited to only those releases.
+
+<h3>Backporting upstream patches</h3>
+
+Usually, this is the easiest way to backport a fix for a problem that is fixed in a newer release.
+
+* Clone Python, check out the tag for the appropriate release and create a branch
+* Apply existing patches if there are any (with either `patch` or `git am`) and commit
+* Cherry-pick the upstream commit that fixes the problem in a newer release
+* Commit and `git format-patch`
+* Commit the generated patch file into Pyenv, test your changes and submit a PR
+
+
+Deprecation policy
+------------------
+
+We do not provide official support for EOL releases and environments or otherwise provide any kind of extended support for old Python releases.
+
+We do however accept fixes from interested parties that would allow running older, including EOL, releases in environments that they do not officially support.
+In addition to the above requirements for release-specific fixes,
+
+* Such a fix must not add maintenance burden (e.g. add new logic to `python-build` that has to be kept there indefinitely)
+  * Unless the added logic is useful for both EOL and non-EOL releases. In this case, it will be considered as being primarily an improvement for non-EOL releases.
+* Support is provided on a "best effort" basis: we do not actively maintain these fixes but won't actively break them, either, and will accept any corrections.
+  Since old releases never change, it's pretty safe to assume that the fixes will continue to work until a later version
+  of an environment introduces further incompatible changes.
+
+
+Advanced changes / adding new Python flavor support
+---------------------------------------------------
+
+An installation script is sourced from `python-build`. All installation scripts are based on the same logic:
+
+1. Select the source to download and other variable parameters as needed.
+
+   This includes showing an error if the user's environment (OS, architecture) is not supported by the release.
+   Binary releases that only officially support specific distro(s) typically show a warning in other distros instead.
+
+2. Run one of the `install_*` shell functions
+
+`install_*` shell functions defined in `python-build` install Python from different kinds of sources -- compressed package (binary or source), upstream installation script, VCS checkout. Pick one that's the most appropriate for your packaging.
+
+Each of them accepts a couple of function-specific arguments which are followed by arguments that constitute the build sequence. Each `<argument>` in the build sequence corresponds to the `install_*_<argument>` function in `python-build`. Check what's available and add any functions with logic specific to your flavor if needed.
+
+We strive to keep out of `python-build` parts of build logic that are release-specific and/or tend to change abruptly between releases -- e.g. sets of supported architectures and other software's versions. This results in logic duplication between installation scripts -- but since old releases never change once released, this doesn't really add to the maintenance burden. As a rule of thumb, `python-build` can host parts of logic that are expected to stay the same for an indefinite amount of time -- for an entire Python flavor or release line.

Dockerfile

@@ -0,0 +1,35 @@
+FROM ubuntu:18.04
+
+LABEL maintainer="Chris L. Barnes <chrislloydbarnes@gmail.com>"
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update -y \
+    && apt-get install -y \
+        make \
+        build-essential \
+        libssl-dev \
+        zlib1g-dev \
+        libbz2-dev \
+        libreadline-dev \
+        libsqlite3-dev \
+        wget \
+        curl \
+        llvm \
+        libncurses5-dev \
+        libncursesw5-dev \
+        xz-utils \
+        tk-dev \
+        libffi-dev \
+        liblzma-dev \
+        python-openssl \
+        git \
+    && rm -rf /var/lib/apt/lists/*
+
+ENV PYENV_ROOT "/pyenv"
+ENV PATH "$PYENV_ROOT/bin:$PATH"
+
+COPY . /pyenv
+
+RUN eval "$(pyenv init -)"
+

MAINTENANCE.md

@@ -0,0 +1,17 @@
+Creating a release
+==================
+
+The release of the new version of Pyenv is done via GitHub Releases.
+
+Release checklist:
+* Start [drafting a new release on GitHub](https://github.com/pyenv/pyenv/releases) to generate a summary of changes.  
+Type the would-be tag name in the "Choose a tag" field and press "Generate release notes"
+  * The summary may need editing. E.g. rephrase entries, delete/merge entries that are too minor or irrelevant to the users (e.g. typo fixes, CI)
+* Update `CHANGELOG.md` with the new version number and the edited summary (only the changes section)
+* Push the version number in `libexec/pyenv---version`
+  * Minor version is pushed if there are significant functional changes (not e.g. bugfixes/formula adaptations/supporting niche use cases).
+  * Major version is pushed if there are breaking changes
+* Commit the changes locally into `master`
+* Create a new tag locally with the same name as specified in the new release window
+* Push the changes including the tag
+* In the still open new release window, press "Publish release". The now-existing tag will be used.

Makefile

@@ -1,8 +1,29 @@
-test: build/bats/bin/bats
+.PHONY: test test-build test-unit test-plugin
-	build/bats/bin/bats --tap test
-	cd plugins/python-build && $(PWD)/build/bats/bin/bats --tap test
 
-build/bats/bin/bats:
+# Do not pass in user flags to build tests.
-	git clone https://github.com/sstephenson/bats.git build/bats
+unexport PYTHON_CFLAGS
+unexport PYTHON_CONFIGURE_OPTS
 
-.PHONY: test
+test: test-unit test-plugin
+
+test-unit: bats
+	PATH="./bats/bin:$$PATH" test/run
+	
+test-plugin: bats
+	cd plugins/python-build && $(PWD)/bats/bin/bats $${CI:+--tap} test
+
+PYTHON_BUILD_ROOT := $(CURDIR)/plugins/python-build
+PYTHON_BUILD_OPTS ?= --verbose
+PYTHON_BUILD_VERSION ?= 3.8-dev
+PYTHON_BUILD_TEST_PREFIX ?= $(PYTHON_BUILD_ROOT)/test/build/tmp/dist
+
+test-build:
+	$(RM) -r $(PYTHON_BUILD_TEST_PREFIX)
+	$(PYTHON_BUILD_ROOT)/bin/python-build $(PYTHON_BUILD_OPTS) $(PYTHON_BUILD_VERSION) $(PYTHON_BUILD_TEST_PREFIX)
+	[ -e $(PYTHON_BUILD_TEST_PREFIX)/bin/python ]
+	$(PYTHON_BUILD_TEST_PREFIX)/bin/python -V
+	[ -e $(PYTHON_BUILD_TEST_PREFIX)/bin/pip ]
+	$(PYTHON_BUILD_TEST_PREFIX)/bin/pip -V
+
+bats:
+	git clone --depth 1 --branch v1.2.0 https://github.com/bats-core/bats-core.git bats

README.md

@@ -1,25 +1,22 @@
 # Simple Python Version Management: pyenv
 
-[![Build Status](https://travis-ci.org/yyuu/pyenv.png)](https://travis-ci.org/yyuu/pyenv)
+[![Join the chat at https://gitter.im/yyuu/pyenv](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/yyuu/pyenv?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 pyenv lets you easily switch between multiple versions of Python. It's
 simple, unobtrusive, and follows the UNIX tradition of single-purpose
 tools that do one thing well.
 
-This project was forked from [rbenv](https://github.com/sstephenson/rbenv) and
+This project was forked from [rbenv](https://github.com/rbenv/rbenv) and
-[ruby-build](https://github.com/sstephenson/ruby-build), and modified for Python.
+[ruby-build](https://github.com/rbenv/ruby-build), and modified for Python.
 
-<img src="http://gyazo.com/9c829fafdf5e58880c820349c4e9197e.png?1346414267" width="849" height="454" />
+### What pyenv _does..._
 
-
+* Lets you **change the global Python version** on a per-user basis.
-### pyenv _does..._
+* Provides support for **per-project Python versions**.
-
+* Allows you to **override the Python version** with an environment
-* Let you **change the global Python version** on a per-user basis.
-* Provide support for **per-project Python versions**.
-* Allow you to **override the Python version** with an environment
   variable.
-* Search commands from **multiple versions of Python at a time**.
+* Searches for commands from **multiple versions of Python at a time**.
-  This may be helpful to test across Python versions with [tox](http://pypi.python.org/pypi/tox).
+  This may be helpful to test across Python versions with [tox](https://pypi.python.org/pypi/tox).
 
 
 ### In contrast with pythonbrew and pythonz, pyenv _does not..._
@@ -27,9 +24,9 @@ This project was forked from [rbenv](https://github.com/sstephenson/rbenv) and
 * **Depend on Python itself.** pyenv was made from pure shell scripts.
     There is no bootstrap problem of Python.
 * **Need to be loaded into your shell.** Instead, pyenv's shim
-    approach works by adding a directory to your `$PATH`.
+    approach works by adding a directory to your `PATH`.
-* **Manage virtualenv.** Of course, you can create [virtualenv](http://pypi.python.org/pypi/virtualenv)
+* **Manage virtualenv.** Of course, you can create [virtualenv](https://pypi.python.org/pypi/virtualenv)
-    yourself, or [pyenv-virtualenv](https://github.com/yyuu/pyenv-virtualenv)
+    yourself, or [pyenv-virtualenv](https://github.com/pyenv/pyenv-virtualenv)
     to automate the process.
 
 
@@ -38,25 +35,492 @@ This project was forked from [rbenv](https://github.com/sstephenson/rbenv) and
 
 ## Table of Contents
 
+* **[Installation](#installation)**
+  * [Getting Pyenv](#a-getting-pyenv)
+    * [Linux/UNIX](#linuxunix)
+      * [Automatic Installer](#1-automatic-installer-recommended)
+      * [Basic GitHub Checkout](#2-basic-github-checkout)
+    * [MacOS](#macos)
+      * [Homebrew in macOS](#homebrew-in-macos)
+    * [Windows](#windows)
+  * [Set up your shell environment for Pyenv](#b-set-up-your-shell-environment-for-pyenv)
+  * [Restart your shell](#c-restart-your-shell)
+  * [Install Python build dependencies](#d-install-python-build-dependencies)
+  * [Upgrade Notes](#e-upgrade-notes)
+* **[Usage](#usage)**
+  * [Install additional Python versions](#install-additional-python-versions)
+    * [Prefix auto-resolution to the latest version](#prefix-auto-resolution-to-the-latest-version)
+  * [Switch between Python versions](#switch-between-python-versions)
+    * [Making multiple versions available](#making-multiple-versions-available)
+  * [Uninstall Python versions](#uninstall-python-versions)
+  * [Other operations](#other-operations)
+* [Upgrading](#upgrading)
+  * [Upgrading with Homebrew](#upgrading-with-homebrew)
+  * [Upgrading with Installer or Git checkout](#upgrading-with-installer-or-git-checkout)
+* [Uninstalling pyenv](#uninstalling-pyenv)
+* [Pyenv plugins](#pyenv-plugins)
 * **[How It Works](#how-it-works)**
   * [Understanding PATH](#understanding-path)
   * [Understanding Shims](#understanding-shims)
-  * [Choosing the Python Version](#choosing-the-python-version)
+  * [Understanding Python version selection](#understanding-python-version-selection)
-  * [Locating the Python Installation](#locating-the-python-installation)
+  * [Locating Pyenv-provided Python Installations](#locating-pyenv-provided-python-installations)
-* **[Installation](#installation)**
+* [Advanced Configuration](#advanced-configuration)
-  * [Basic GitHub Checkout](#basic-github-checkout)
+  * [Using Pyenv without shims](#using-pyenv-without-shims)
-    * [Upgrading](#upgrading)
+  * [Environment variables](#environment-variables)
-    * [Homebrew on Mac OS X](#homebrew-on-mac-os-x)
-    * [Neckbeard Configuration](#neckbeard-configuration)
-    * [Uninstalling Python Versions](#uninstalling-python-versions)
-* **[Command Reference](#command-reference)**
 * **[Development](#development)**
+  * [Contributing](#contributing)
   * [Version History](#version-history)
   * [License](#license)
 
 
 ----
 
+## Installation
+
+### A. Getting Pyenv
+----
+#### Linux/Unix
+<details>
+
+The Homebrew option from the [MacOS section below](#macos) would also work if you have Homebrew installed.
+  
+##### 1. Automatic installer (Recommended)
+
+```bash
+curl -fsSL https://pyenv.run | bash
+```
+
+For more details visit our other project:
+https://github.com/pyenv/pyenv-installer
+
+
+##### 2. Basic GitHub Checkout
+
+This will get you going with the latest version of Pyenv and make it
+easy to fork and contribute any changes back upstream.
+
+* **Check out Pyenv where you want it installed.**
+   A good place to choose is `$HOME/.pyenv` (but you can install it somewhere else):
+    ```
+    git clone https://github.com/pyenv/pyenv.git ~/.pyenv
+    ```
+*  Optionally, try to compile a dynamic Bash extension to speed up Pyenv. Don't
+   worry if it fails; Pyenv will still work normally:
+    ```
+    cd ~/.pyenv && src/configure && make -C src
+    ```
+</details>
+
+#### MacOS
+
+<details>
+  
+The options from the [Linux section above](#linuxunix) also work but Homebrew is recommended for basic usage.
+
+##### [Homebrew](https://brew.sh) in macOS
+
+   1. Update homebrew and install pyenv:
+      ```sh
+      brew update
+      brew install pyenv
+      ```
+      If you want to install (and update to) the latest development head of Pyenv
+      rather than the latest release, instead run:
+      ```sh
+      brew install pyenv --head
+      ```
+   3. Then follow the rest of the post-installation steps, starting with
+      [Set up your shell environment for Pyenv](#b-set-up-your-shell-environment-for-pyenv).
+
+   4. OPTIONAL. To fix `brew doctor`'s warning _""config" scripts exist outside your system or Homebrew directories"_
+
+      If you're going to build Homebrew formulae from source that link against Python
+      like Tkinter or NumPy
+      _(This is only generally the case if you are a developer of such a formula,
+      or if you have an EOL version of MacOS for which prebuilt bottles are no longer provided
+      and you are using such a formula)._
+
+      To avoid them accidentally linking against a Pyenv-provided Python,
+      add the following line into your interactive shell's configuration:
+
+      * Bash/Zsh:
+
+        ~~~bash
+        alias brew='env PATH="${PATH//$(pyenv root)\/shims:/}" brew'
+        ~~~
+
+      * Fish:
+
+        ~~~fish
+        alias brew="env PATH=(string replace (pyenv root)/shims '' \"\$PATH\") brew"
+        ~~~
+</details>
+
+#### Windows
+
+<details>
+
+Pyenv does not officially support Windows and does not work in Windows outside
+the Windows Subsystem for Linux.
+Moreover, even there, the Pythons it installs are not native Windows versions
+but rather Linux versions running in a virtual machine --
+so you won't get Windows-specific functionality.
+
+If you're in Windows, we recommend using @kirankotari's [`pyenv-win`](https://github.com/pyenv-win/pyenv-win) fork --
+which does install native Windows Python versions.
+
+</details>
+
+### B. Set up your shell environment for Pyenv
+----
+
+The below setup should work for the vast majority of users for common use cases.
+See [Advanced configuration](#advanced-configuration) for details and more configuration options.
+
+#### Bash
+  <details>
+
+  Stock Bash startup files vary widely between distributions in which of them source
+  which, under what circumstances, in what order and what additional configuration they perform.
+  As such, the most reliable way to get Pyenv in all environments is to append Pyenv
+  configuration commands to both `.bashrc` (for interactive shells)
+  and the profile file that Bash would use (for login shells).
+
+  1. First, add the commands to `~/.bashrc` by running the following in your terminal:
+
+      ```bash
+      echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
+      echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
+      echo 'eval "$(pyenv init - bash)"' >> ~/.bashrc
+      ```
+  2. Then, if you have `~/.profile`, `~/.bash_profile` or `~/.bash_login`, add the commands there as well.
+     If you have none of these, create a `~/.profile` and add the commands there.
+
+     * to add to `~/.profile`:
+       ``` bash
+       echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.profile
+       echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.profile
+       echo 'eval "$(pyenv init - bash)"' >> ~/.profile
+       ```
+     * to add to `~/.bash_profile`:
+       ```bash
+       echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bash_profile
+       echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bash_profile
+       echo 'eval "$(pyenv init - bash)"' >> ~/.bash_profile
+       ```
+
+   **Bash warning**: There are some systems where the `BASH_ENV` variable is configured
+   to point to `.bashrc`. On such systems, you should almost certainly put the
+   `eval "$(pyenv init - bash)"` line into `.bash_profile`, and **not** into `.bashrc`. Otherwise, you
+   may observe strange behaviour, such as `pyenv` getting into an infinite loop.
+   See [#264](https://github.com/pyenv/pyenv/issues/264) for details.
+   
+   </details>
+   
+#### Zsh
+  
+  <details>
+  
+  ```zsh
+    echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.zshrc
+    echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.zshrc
+    echo 'eval "$(pyenv init - zsh)"' >> ~/.zshrc
+  ```
+  
+  If you wish to get Pyenv in noninteractive login shells as well, also add the commands to `~/.zprofile` or `~/.zlogin`.
+  </details>
+  
+#### Fish
+  
+  <details>
+    
+  1. If you have Fish 3.2.0 or newer, execute this interactively:
+     ~~~ fish
+       set -Ux PYENV_ROOT $HOME/.pyenv
+       fish_add_path $PYENV_ROOT/bin
+     ~~~
+
+  2. Otherwise, execute the snippet below:
+     ~~~ fish
+       set -Ux PYENV_ROOT $HOME/.pyenv
+       set -U fish_user_paths $PYENV_ROOT/bin $fish_user_paths
+     ~~~
+
+  3. Now, add this to `~/.config/fish/config.fish`:
+     ~~~ fish
+       pyenv init - fish | source
+     ~~~
+  </details>
+
+### C. Restart your shell
+----
+
+  for the `PATH` changes to take effect.
+
+  ```sh
+  exec "$SHELL"
+  ```
+
+### D. Install Python build dependencies
+----
+
+  [**Install Python build dependencies**](https://github.com/pyenv/pyenv/wiki#suggested-build-environment)
+  before attempting to install a new Python version.
+
+  You can now begin using Pyenv.
+
+### E. Upgrade Notes
+----
+
+**if you have upgraded from pyenv version 2.0.x-2.2.x**
+
+<details>
+
+The startup logic and instructions have been updated for simplicity in 2.3.0.
+The previous, more complicated configuration scheme for 2.0.0-2.2.5 still works.
+
+* Define environment variable `PYENV_ROOT` to point to the path where
+  Pyenv will store its data. `$HOME/.pyenv` is the default.
+  If you installed Pyenv via Git checkout, we recommend
+  to set it to the same location as where you cloned it.
+* Add the `pyenv` executable to your `PATH` if it's not already there
+* run `eval "$(pyenv init -)"` to install `pyenv` into your shell as a shell function, enable shims and autocompletion
+  * You may run `eval "$(pyenv init --path)"` instead to just enable shims, without shell integration
+
+</details>
+
+----
+
+
+## Usage
+
+![Terminal output example](/install_local_python.gif)
+
+### Install additional Python versions
+
+To install additional Python versions, use [`pyenv install`](COMMANDS.md#pyenv-install).
+
+For example, to download and install Python 3.10.4, run:
+
+```sh
+pyenv install 3.10.4
+```
+
+Running `pyenv install -l` gives the list of all available versions.
+
+----
+
+<details> <summary> Notes about python releases </summary>
+  
+**NOTE:** Most Pyenv-provided Python releases are source releases and are built
+from source as part of installation (that's why you need Python build dependencies preinstalled).
+You can pass options to Python's `configure` and compiler flags to customize the build,
+see [_Special environment variables_ in Python-Build's README](plugins/python-build/README.md#special-environment-variables)
+for details.
+
+**NOTE:** If you are having trouble installing a Python version,
+please visit the wiki page about
+[Common Build Problems](https://github.com/pyenv/pyenv/wiki/Common-build-problems).
+
+**NOTE:** If you want to use proxy for download, please set the `http_proxy` and `https_proxy`
+environment variables.
+
+**NOTE:** If you'd like a faster interpreter at the cost of longer build times,
+see [_Building for maximum performance_ in Python-Build's README](plugins/python-build/README.md#building-for-maximum-performance).
+
+</details>
+
+----
+
+#### Prefix auto-resolution to the latest version
+
+All Pyenv subcommands except `uninstall` automatically resolve full prefixes to the latest version in the corresponding version line.
+
+`pyenv install` picks the latest known version, while other subcommands pick the latest installed version.
+
+E.g. to install and then switch to the latest 3.10 release:
+
+```sh
+pyenv install 3.10
+pyenv global 3.10
+```
+
+You can run [`pyenv latest -k <prefix>`](COMMANDS.md#pyenv-latest) to see how `pyenv install` would resolve a specific prefix, or [`pyenv latest <prefix>`](COMMANDS.md#pyenv-latest) to see how other subcommands would resolve it.
+
+See the [`pyenv latest` documentation](COMMANDS.md#pyenv-latest) for details.
+
+
+<details> <summary> Python versions with extended support </summary>
+
+For the following Python releases, Pyenv applies user-provided patches that add support for some newer environments.
+Though we don't actively maintain those patches, since existing releases never change,
+it's safe to assume that they will continue working until there are further incompatible changes
+in a later version of those environments.
+
+* *3.7.8-3.7.15, 3.8.4-3.8.12, 3.9.0-3.9.7* : XCode 13.3
+* *3.5.10, 3.6.15* : MacOS 11+ and XCode 13.3
+* *2.7.18* : MacOS 10.15+ and Apple Silicon
+</details>
+
+----
+
+### Switch between Python versions
+
+To select a Pyenv-installed Python as the version to use, run one
+of the following commands:
+
+* [`pyenv shell <version>`](COMMANDS.md#pyenv-shell) -- select just for current shell session
+* [`pyenv local <version>`](COMMANDS.md#pyenv-local) -- automatically select whenever you are in the current directory (or its subdirectories)
+* [`pyenv global <version>`](COMMANDS.md#pyenv-shell) -- select globally for your user account
+
+E.g. to select the above-mentioned newly-installed Python 3.10.4 as your preferred version to use:
+
+~~~bash
+pyenv global 3.10.4
+~~~
+
+Now whenever you invoke `python`, `pip` etc., an executable from the Pyenv-provided
+3.10.4 installation will be run instead of the system Python.
+
+Using "`system`" as a version name would reset the selection to your system-provided Python.
+
+See [Understanding shims](#understanding-shims) and
+[Understanding Python version selection](#understanding-python-version-selection)
+for more details on how the selection works and more information on its usage.
+
+----
+
+#### Making multiple versions available
+
+You can select multiple Python versions at the same time by specifying multiple arguments.
+E.g. if you wish to use the latest installed CPython 3.11 and 3.12:
+
+~~~bash
+pyenv global 3.11 3.12
+~~~
+
+Whenever you run a command provided by a Python installation, these versions will be searched for it in the specified order.
+[Due to the shims' fall-through behavior]((#understanding-python-version-selection)), `system` is always implicitly searched afterwards.
+
+----
+
+### Uninstall Python versions
+
+As time goes on, you will accumulate Python versions in your
+`$(pyenv root)/versions` directory.
+
+To remove old Python versions, use [`pyenv uninstall <versions>`](COMMANDS.md#pyenv-uninstall).
+
+Alternatively, you can simply `rm -rf` the directory of the version you want
+to remove. You can find the directory of a particular Python version
+with the `pyenv prefix` command, e.g. `pyenv prefix 2.6.8`.
+Note however that plugins may run additional operations on uninstall
+which you would need to do by hand as well. E.g. Pyenv-Virtualenv also
+removes any virtual environments linked to the version being uninstalled.
+
+----
+
+### Other operations
+
+Run `pyenv commands` to get a list of all available subcommands.
+Run a subcommand with `--help` to get help on it, or see the [Commands Reference](COMMANDS.md).
+
+Note that Pyenv plugins that you install may add their own subcommands.
+
+
+## Upgrading
+
+### Upgrading with Homebrew
+
+If you've installed Pyenv using Homebrew, upgrade using:
+```sh
+brew upgrade pyenv
+```
+
+To switch from a release to the latest development head of Pyenv, use:
+
+```sh
+brew uninstall pyenv
+brew install pyenv --head
+```
+
+then you can upgrade it with `brew upgrade pyenv` as usual.
+
+
+### Upgrading with Installer or Git checkout
+
+If you've installed Pyenv with Pyenv-installer, you likely have the
+[Pyenv-Update](https://github.com/pyenv/pyenv-update) plugin that would
+upgrade Pyenv and all installed plugins:
+
+```sh
+pyenv update
+```
+
+If you've installed Pyenv using Pyenv-installer or Git checkout, you can also
+upgrade your installation at any time using Git.
+
+To upgrade to the latest development version of pyenv, use `git pull`:
+
+```sh
+cd $(pyenv root)
+git pull
+```
+
+To upgrade to a specific release of Pyenv, check out the corresponding tag:
+
+```sh
+cd $(pyenv root)
+git fetch
+git tag
+git checkout v0.1.0
+```
+
+## Uninstalling pyenv
+
+The simplicity of pyenv makes it easy to temporarily disable it, or
+uninstall from the system.
+
+1. To **disable** Pyenv managing your Python versions, simply remove the
+  `pyenv init` invocations from your shell startup configuration. This will
+  remove Pyenv shims directory from `PATH`, and future invocations like
+  `python` will execute the system Python version, as it was before Pyenv.
+
+    `pyenv` will still be accessible on the command line, but your Python
+    apps won't be affected by version switching.
+
+2. To completely **uninstall** Pyenv, remove _all_ Pyenv configuration lines
+  from your shell startup configuration, and then remove
+  its root directory. This will **delete all Python versions** that were
+  installed under the `` $(pyenv root)/versions/ `` directory:
+
+    ```sh
+    rm -rf $(pyenv root)
+    ```
+
+    If you've installed Pyenv using a package manager, as a final step,
+    perform the Pyenv package removal. For instance, for Homebrew:
+
+    ```
+    brew uninstall pyenv
+    ```
+
+
+## Pyenv plugins
+
+Pyenv provides a simple way to extend and customize its functionality with plugins --
+as simple as creating a plugin directory and dropping a shell script on a certain subpath of it
+with whatever extra logic you need to be run at certain moments.
+
+The main idea is that most things that you can put under `$PYENV_ROOT/<whatever>` you can also put
+under `$PYENV_ROOT/plugins/your_plugin_name/<whatever>`.
+
+See [_Plugins_ on the wiki](https://github.com/pyenv/pyenv/wiki/Plugins) on how to install and use plugins
+as well as a catalog of some useful existing plugins for common needs.
+
+See [_Authoring plugins_ on the wiki](https://github.com/pyenv/pyenv/wiki/Authoring-plugins) on writing your own plugins.
+
+----
 
 ## How It Works
 
@@ -68,7 +532,7 @@ to the correct Python installation.
 
 ### Understanding PATH
 
-When you run a command like `python` or `pip`, your operating system
+When you run a command like `python` or `pip`, your shell (bash / zshrc / ...)
 searches through a list of directories to find an executable file with
 that name. This list of directories lives in an environment variable
 called `PATH`, with each directory in the list separated by a colon:
@@ -87,7 +551,7 @@ then `/bin`.
 pyenv works by inserting a directory of _shims_ at the front of your
 `PATH`:
 
-    ~/.pyenv/shims:/usr/local/bin:/usr/bin:/bin
+    $(pyenv root)/shims:/usr/local/bin:/usr/bin:/bin
 
 Through a process called _rehashing_, pyenv maintains shims in that
 directory to match every Python command across every installed version
@@ -103,227 +567,194 @@ operating system will do the following:
   pyenv
 
 
-### Choosing the Python Version
+### Understanding Python version selection
 
 When you execute a shim, pyenv determines which Python version to use by
 reading it from the following sources, in this order:
 
 1. The `PYENV_VERSION` environment variable (if specified). You can use
-   the [`pyenv shell`](#pyenv-shell) command to set this environment
+   the [`pyenv shell`](https://github.com/pyenv/pyenv/blob/master/COMMANDS.md#pyenv-shell) command to set this environment
    variable in your current shell session.
 
 2. The application-specific `.python-version` file in the current
    directory (if present). You can modify the current directory's
-   `.python-version` file with the [`pyenv local`](#pyenv-local)
+   `.python-version` file with the [`pyenv local`](https://github.com/pyenv/pyenv/blob/master/COMMANDS.md#pyenv-local)
    command.
 
 3. The first `.python-version` file found (if any) by searching each parent
    directory, until reaching the root of your filesystem.
 
-4. The global `~/.pyenv/version` file. You can modify this file using
+4. The global `$(pyenv root)/version` file. You can modify this file using
-   the [`pyenv global`](#pyenv-global) command. If the global version
+   the [`pyenv global`](https://github.com/pyenv/pyenv/blob/master/COMMANDS.md#pyenv-global) command.
-   file is not present, pyenv assumes you want to use the "system"
+   If the global version file is not present, pyenv assumes you want to use the "system"
-   Python. (In other words, whatever version would run if pyenv weren't in your
+   Python (see below).
-   `PATH`.)
 
-**NOTE:** You can activate multiple versions at the same time, e.g. `pyenv
+A special version name "`system`" means to use whatever Python is found on `PATH`
-global 3.4.2 2.7.8`.  This allows for parallel usage of python2 and python3,
+after the shims `PATH` entry (in other words, whatever would be run if Pyenv
-and is required with tools like `tox`.
+shims weren't on `PATH`). Note that Pyenv considers those installations outside
+its control and does not attempt to inspect or distinguish them in any way.
+So e.g. if you are on MacOS and have OS-bundled Python 3.8.9 and Homebrew-installed
+Python 3.9.12 and 3.10.2 -- for Pyenv, this is still a single "`system`" version,
+and whichever of those is first on `PATH` under the executable name you
+specified will be run.
 
-### Locating the Python Installation
+**NOTE:** You can activate multiple versions at the same time, including multiple
+versions of Python2 or Python3 simultaneously. This allows for parallel usage of
+Python2 and Python3, and is required with tools like `tox`. For example, to instruct
+Pyenv to first use your system Python and Python3 (which are e.g. 2.7.9 and 3.4.2)
+but also have Python 3.3.6, 3.2.1, and 2.5.2 available, you first `pyenv install`
+the missing versions, then set `pyenv global system 3.3.6 3.2.1 2.5.2`.
+Then you'll be able to invoke any of those versions with an appropriate `pythonX` or
+`pythonX.Y` name.
+You can also specify multiple versions in a `.python-version` file by hand,
+separated by newlines. Lines starting with a `#` are ignored.
+
+[`pyenv which <command>`](COMMANDS.md#pyenv-which) displays which real executable would be
+run when you invoke `<command>` via a shim.
+E.g. if you have 3.3.6, 3.2.1 and 2.5.2 installed of which 3.3.6 and 2.5.2 are selected
+and your system Python is 3.2.5,
+`pyenv which python2.5` should display `$(pyenv root)/versions/2.5.2/bin/python2.5`,
+`pyenv which python3` -- `$(pyenv root)/versions/3.3.6/bin/python3` and
+`pyenv which python3.2` -- path to your system Python due to the fall-through (see below).
+
+Shims also fall through to anything further on `PATH` if the corresponding executable is
+not present in any of the selected Python installations.
+This allows you to use any programs installed elsewhere on the system as long as
+they are not shadowed by a selected Python installation.
+
+
+### Locating Pyenv-provided Python installations
 
 Once pyenv has determined which version of Python your application has
 specified, it passes the command along to the corresponding Python
 installation.
 
 Each Python version is installed into its own directory under
-`~/.pyenv/versions`.
+`$(pyenv root)/versions`.
 
 For example, you might have these versions installed:
 
-* `~/.pyenv/versions/2.7.8/`
+* `$(pyenv root)/versions/2.7.8/`
-* `~/.pyenv/versions/3.4.2/`
+* `$(pyenv root)/versions/3.4.2/`
-* `~/.pyenv/versions/pypy-2.4.0/`
+* `$(pyenv root)/versions/pypy-2.4.0/`
-
-As far as pyenv is concerned, version names are simply the directories in
-`~/.pyenv/versions`.
 
+As far as Pyenv is concerned, version names are simply directories under
+`$(pyenv root)/versions`.
 
 ----
 
 
-## Installation
+## Advanced Configuration
-
-If you're on Mac OS X, consider [installing with Homebrew](#homebrew-on-mac-os-x).
-
-
-### The automatic installer
-
-Visit my other project:
-https://github.com/yyuu/pyenv-installer
-
-
-### Basic GitHub Checkout
-
-This will get you going with the latest version of pyenv and make it
-easy to fork and contribute any changes back upstream.
-
-1. **Check out pyenv where you want it installed.**
-   A good place to choose is `$HOME/.pyenv` (but you can install it somewhere else).
-
-        $ cd
-        $ git clone git://github.com/yyuu/pyenv.git .pyenv
-
-
-2. **Define environment variable `PYENV_ROOT`** to point to the path where
-   pyenv repo is cloned and add `$PYENV_ROOT/bin` to your `$PATH` for access
-   to the `pyenv` command-line utility.
-
-        $ echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bash_profile
-        $ echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bash_profile
-
-    **Zsh note**: Modify your `~/.zshenv` file instead of `~/.bash_profile`.
-    **Ubuntu note**: Modify your `~/.bashrc` file instead of `~/.bash_profile`.
-
-3. **Add `pyenv init` to your shell** to enable shims and autocompletion.
-
-        $ echo 'eval "$(pyenv init -)"' >> ~/.bash_profile
-
-    **Zsh note**: Modify your `~/.zshenv` file instead of `~/.bash_profile`.
-    **Ubuntu note**: Modify your `~/.bashrc` file instead of `~/.bash_profile`.
-    
-    **General warning**: There are some systems, where the `BASH_ENV` variable is configured
-    to point to `.bashrc`. On such systems you should almost certainly put the abovementioned line
-    `eval "$(pyenv init -)` into `.bash_profile`, and **not** into `.bashrc`. Otherwise you
-    may observe strange behaviour, such as `pyenv` getting into an infinite loop.
-    See [#264](https://github.com/yyuu/pyenv/issues/264) for details.
-
-4. **Restart your shell so the path changes take effect.**
-   You can now begin using pyenv.
-
-        $ exec $SHELL
-
-5. **Install Python versions into `$PYENV_ROOT/versions`.**
-   For example, to install Python 2.7.8, download and unpack the source, then run:
-
-        $ pyenv install 2.7.8
-
-   **NOTE:** If you need to pass configure option to build, please use
-   ```CONFIGURE_OPTS``` environment variable.
-
-   **NOTE:** If you are having trouble installing a python version,
-   please visit the wiki page about
-   [Common Build Problems](https://github.com/yyuu/pyenv/wiki/Common-build-problems)
-
-6. **Rebuild the shim binaries.**
-   You should do this any time you install a new Python binary.
-   (Examples: installing a new Python version, or installing a package that provides a binary.)
-
-        $ pyenv rehash
-
-   This can be automated for pip using
-   [pyenv-pip-rehash](https://github.com/yyuu/pyenv-pip-rehash), which invokes
-   `pyenv rehash` after (un)installing packages using pip.
-
-
-#### Upgrading
-
-If you've installed pyenv using the instructions above, you can
-upgrade your installation at any time using git.
-
-To upgrade to the latest development version of pyenv, use `git pull`:
-
-    $ cd ~/.pyenv
-    $ git pull
-
-To upgrade to a specific release of pyenv, check out the corresponding tag:
-
-    $ cd ~/.pyenv
-    $ git fetch
-    $ git tag
-    v0.1.0
-    $ git checkout v0.1.0
-
-
-### Homebrew on Mac OS X
-
-You can also install pyenv using the [Homebrew](http://brew.sh)
-package manager for Mac OS X.
-
-    $ brew update
-    $ brew install pyenv
-
-
-To upgrade pyenv in the future, just use `upgrade` instead of `install`.
-
-After installation, you'll still need to add `eval "$(pyenv init -)"` to your
-profile (as stated in the caveats). You'll only ever have to do this
-once.
-
-
-### Neckbeard Configuration
 
 Skip this section unless you must know what every line in your shell
 profile is doing.
 
+Also see the [Environment variables](#environment-variables) section
+for the environment variables that control Pyenv's behavior.
+
 `pyenv init` is the only command that crosses the line of loading
-extra commands into your shell. Coming from rvm, some of you might be
+extra commands into your shell. Coming from RVM, some of you might be
-opposed to this idea. Here's what `pyenv init` actually does:
+opposed to this idea. Here's what `eval "$(pyenv init -)"` actually does:
 
-1. **Sets up your shims path.** This is the only requirement for pyenv to
+1. **Finds current shell.**
-   function properly. You can do this by hand by prepending
+   `pyenv init` figures out what shell you are using, as the exact commands of `eval "$(pyenv init -)"` vary depending on shell. Specifying which shell you are using (e.g. `eval "$(pyenv init - bash)"`) is preferred, because it reduces launch time significantly.
-   `~/.pyenv/shims` to your `$PATH`.
 
-2. **Installs autocompletion.** This is entirely optional but pretty
+2. **Sets up the shims path.** This is what allows Pyenv to intercept
-   useful. Sourcing `~/.pyenv/completions/pyenv.bash` will set that
+   and redirect invocations of `python`, `pip` etc. transparently.
-   up. There is also a `~/.pyenv/completions/pyenv.zsh` for Zsh
+   It prepends `$(pyenv root)/shims` to your `$PATH`.
-   users.
+   It also deletes any other instances of `$(pyenv root)/shims` on `PATH`
+   which allows to invoke `eval "$(pyenv init -)"` multiple times without
+   getting duplicate `PATH` entries.
 
-3. **Rehashes shims.** From time to time you'll need to rebuild your
+3. **Installs autocompletion.** This is entirely optional but pretty
+   useful. Sourcing `<pyenv installation prefix>/completions/pyenv.bash` will set that
+   up. There are also completions for Zsh and Fish.
+
+4. **Rehashes shims.** From time to time you'll need to rebuild your
    shim files. Doing this on init makes sure everything is up to
    date. You can always run `pyenv rehash` manually.
 
-4. **Installs the sh dispatcher.** This bit is also optional, but allows
+5. **Installs `pyenv` into the current shell as a shell function.**
-   pyenv and plugins to change variables in your current shell, making
+   This bit is also optional, but allows
-   commands like `pyenv shell` possible. The sh dispatcher doesn't do
+   pyenv and plugins to change variables in your current shell.
+   This is required for some commands like `pyenv shell` to work.
+   The sh dispatcher doesn't do
    anything crazy like override `cd` or hack your shell prompt, but if
    for some reason you need `pyenv` to be a real script rather than a
    shell function, you can safely skip it.
 
-To see exactly what happens under the hood for yourself, run `pyenv init -`.
+`eval "$(pyenv init --path)"` only does items 2 and 4.
+
+To see exactly what happens under the hood for yourself, run `pyenv init -`
+or `pyenv init --path`.
+
+`eval "$(pyenv init -)"` is supposed to run at any interactive shell's
+startup (including nested shells -- e.g. those invoked from editors)
+so that you get completion and convenience shell functions.
+
+`eval "$(pyenv init --path)"` can be used instead of `eval "$(pyenv init -)"`
+to just enable shims, without shell integration. It can also be used to bump shims
+to the front of `PATH` after some other logic has prepended stuff to `PATH`
+that may shadow Pyenv's shims.
+
+* In particular, in Debian-based distributions, the stock `~/.profile`
+  prepends per-user `bin` directories to `PATH` after having sourced `~/.bashrc`.
+  This necessitates appending a `pyenv init` call to `~/.profile` as well as `~/.bashrc`
+  in these distributions because the system's Pip places executables for
+  modules installed by a non-root user into those per-user `bin` directories.
 
 
-### Uninstalling Python Versions
+### Using Pyenv without shims
 
-As time goes on, you will accumulate Python versions in your
+If you don't want to use `pyenv init` and shims, you can still benefit
-`~/.pyenv/versions` directory.
+from pyenv's ability to install Python versions for you. Just run
+`pyenv install` and you will find versions installed in
+`$(pyenv root)/versions`.
 
-To remove old Python versions, `pyenv uninstall` command to automate
+You can manually execute or symlink them as required,
-the removal process.
+or you can use [`pyenv exec <command>`](COMMANDS.md#pyenv-exec)
+whenever you want `<command>` to be affected by Pyenv's version selection
+as currently configured.
 
-Alternatively, simply `rm -rf` the directory of the version you want
+`pyenv exec` works by prepending `$(pyenv root)/versions/<selected version>/bin`
-to remove. You can find the directory of a particular Python version
+to `PATH` in the `<command>`'s environment, the same as what e.g. RVM does.
-with the `pyenv prefix` command, e.g. `pyenv prefix 2.6.8`.
 
 
+### Environment variables
+
+You can affect how Pyenv operates with the following environment variables:
+
+name | default | description
+-----|---------|------------
+`PYENV_VERSION` | | Specifies the Python version to be used.<br>Also see [`pyenv shell`](COMMANDS.md#pyenv-shell)
+`PYENV_ROOT` | `~/.pyenv` | Defines the directory under which Python versions and shims reside.<br>Also see [`pyenv root`](COMMANDS.md#pyenv-root)
+`PYENV_DEBUG` | | Outputs debug information.<br>Also as: `pyenv --debug <subcommand>`
+`PYENV_HOOK_PATH` | [_see wiki_][hooks] | Colon-separated list of paths searched for pyenv hooks.
+`PYENV_DIR` | `$PWD` | Directory to start searching for `.python-version` files.
+
+See also [_Special environment variables_ in Python-Build's README](plugins/python-build/README.md#special-environment-variables)
+for environment variables that can be used to customize the build.
+
 ----
 
-
-## Command Reference
-
-See [COMMANDS.md](COMMANDS.md).
-
-
-----
-
-
 ## Development
 
-The pyenv source code is [hosted on GitHub](https://github.com/yyuu/pyenv).
+The pyenv source code is [hosted on
-It's clean, modular, and easy to understand--even if you're not a shell hacker.
+GitHub](https://github.com/pyenv/pyenv).  It's clean, modular,
+and easy to understand, even if you're not a shell hacker.
 
-Please feel free to submit Pull Requests and report bugs on the
+Tests are executed using [Bats](https://github.com/bats-core/bats-core):
-[issue tracker](https://github.com/yyuu/pyenv/issues).
+
+    bats test
+    bats/test/<file>.bats
+
+
+### Contributing
+
+Feel free to submit pull requests and file bugs on the [issue
+tracker](https://github.com/pyenv/pyenv/issues).
+
+See [CONTRIBUTING.md](CONTRIBUTING.md) for more details on submitting changes.
 
 
 ### Version History
@@ -333,26 +764,8 @@ See [CHANGELOG.md](CHANGELOG.md).
 
 ### License
 
-(The MIT license)
+[The MIT License](LICENSE)
 
-* Copyright (c) 2013 Yamashita, Yuu
-* Copyright (c) 2013 Sam Stephenson
 
-Permission is hereby granted, free of charge, to any person obtaining
+[pyenv-virtualenv]: https://github.com/pyenv/pyenv-virtualenv#readme
-a copy of this software and associated documentation files (the
+[hooks]: https://github.com/pyenv/pyenv/wiki/Authoring-plugins#pyenv-hooks
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

bin/python-local-exec

@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-#
-# `python-local-exec` is a drop-in replacement for the standard Python
-# shebang line:
-#
-#    #!/usr/bin/env python-local-exec
-#
-# Use it for scripts inside a project with an `.pyenv-version`
-# file. When you run the scripts, they'll use the project-specified
-# Python version, regardless of what directory they're run from. Useful
-# for e.g. running project tasks in cron scripts without needing to
-# `cd` into the project first.
-
-set -e
-export PYENV_DIR="${1%/*}"
-
-[ -n "$PYENV_SILENCE_WARNINGS" ] || {
-  echo "pyenv: \`python-local-exec' is deprecated and will be removed in the next release."
-  echo "       To upgrade: https://github.com/yyuu/pyenv/wiki/python-local-exec"
-  echo
-} >&2
-
-exec python "$@"

completions/pyenv.fish

@@ -18,5 +18,6 @@ end
 
 complete -f -c pyenv -n '__fish_pyenv_needs_command' -a '(pyenv commands)'
 for cmd in (pyenv commands)
-  complete -f -c pyenv -n "__fish_pyenv_using_command $cmd" -a "(pyenv completions $cmd)"
+  complete -f -c pyenv -n "__fish_pyenv_using_command $cmd" -a \
+    "(pyenv completions (commandline -opc)[2..-1])"
 end

libexec/pyenv

@@ -1,6 +1,5 @@
 #!/usr/bin/env bash
 set -e
-export -n CDPATH
 
 if [ "$1" = "--debug" ]; then
   export PYENV_DEBUG=1
@@ -8,36 +7,54 @@ if [ "$1" = "--debug" ]; then
 fi
 
 if [ -n "$PYENV_DEBUG" ]; then
-  export PS4='+ [${BASH_SOURCE##*/}:${LINENO}] '
+  # https://wiki-dev.bash-hackers.org/scripting/debuggingtips#making_xtrace_more_useful
+  export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
   set -x
 fi
 
-READLINK=$(type -p greadlink readlink | head -1)
+abort() {
-if [ -z "$READLINK" ]; then
+  { if [ "$#" -eq 0 ]; then cat -
-  echo "pyenv: cannot find readlink - are you missing GNU coreutils?" >&2
+    else echo "pyenv: $*"
+    fi
+  } >&2
   exit 1
+}
+
+if enable -f "${BASH_SOURCE%/*}"/../libexec/pyenv-realpath.dylib realpath 2>/dev/null; then
+  abs_dirname() {
+    local path
+    path="$(realpath "$1")"
+    echo "${path%/*}"
+  }
+else
+  [ -z "$PYENV_NATIVE_EXT" ] || abort "failed to load \`realpath' builtin"
+
+  READLINK=$(type -P readlink)
+  [ -n "$READLINK" ] || abort "cannot find readlink - are you missing GNU coreutils?"
+
+  resolve_link() {
+    $READLINK "$1"
+  }
+
+  abs_dirname() {
+    local path="$1"
+
+    # Use a subshell to avoid changing the current path
+    (
+    while [ -n "$path" ]; do
+      cd_path="${path%/*}"
+      if [[ "$cd_path" != "$path" ]]; then
+        cd "$cd_path"
+      fi
+      name="${path##*/}"
+      path="$(resolve_link "$name" || true)"
+    done
+
+    echo "$PWD"
+    )
+  }
 fi
 
-unset GREP_OPTIONS
-
-resolve_link() {
-  $READLINK "$1"
-}
-
-abs_dirname() {
-  local cwd="$(pwd)"
-  local path="$1"
-
-  while [ -n "$path" ]; do
-    cd "${path%/*}"
-    local name="${path##*/}"
-    path="$(resolve_link "$name" || true)"
-  done
-
-  pwd
-  cd "$cwd"
-}
-
 if [ -z "${PYENV_ROOT}" ]; then
   PYENV_ROOT="${HOME}/.pyenv"
 else
@@ -46,51 +63,79 @@ fi
 export PYENV_ROOT
 
 if [ -z "${PYENV_DIR}" ]; then
-  PYENV_DIR="$(pwd)"
+  PYENV_DIR="$PWD"
-else
-  cd "$PYENV_DIR" 2>/dev/null || {
-    echo "pyenv: cannot change working directory to \`$PYENV_DIR'"
-    exit 1
-  } >&2
-  PYENV_DIR="$(pwd)"
-  cd "$OLDPWD"
 fi
+
+if [ ! -d "$PYENV_DIR" ] || [ ! -e "$PYENV_DIR" ]; then
+  abort "cannot change working directory to \`$PYENV_DIR'"
+fi
+
+PYENV_DIR=$(cd "$PYENV_DIR" && echo "$PWD")
 export PYENV_DIR
 
 
 shopt -s nullglob
 
 bin_path="$(abs_dirname "$0")"
-for plugin_bin in "${PYENV_ROOT}/plugins/"*/bin; do
+for plugin_bin in "${bin_path%/*}"/plugins/*/bin; do
-  bin_path="${bin_path}:${plugin_bin}"
+  PATH="${plugin_bin}:${PATH}"
 done
+# PYENV_ROOT can be set to anything, so it may happen to be equal to the base path above,
+# resulting in duplicate PATH entries
+if [ "${bin_path%/*}" != "$PYENV_ROOT" ]; then
+  for plugin_bin in "${PYENV_ROOT}"/plugins/*/bin; do
+    PATH="${plugin_bin}:${PATH}"
+  done
+fi
 export PATH="${bin_path}:${PATH}"
 
-hook_path="${PYENV_HOOK_PATH}:${PYENV_ROOT}/pyenv.d:/usr/local/etc/pyenv.d:/etc/pyenv.d:/usr/lib/pyenv/hooks"
+PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${PYENV_ROOT}/pyenv.d"
+if [ "${bin_path%/*}" != "$PYENV_ROOT" ]; then
+  # Add pyenv's own `pyenv.d` unless pyenv was cloned to PYENV_ROOT
+  PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${bin_path%/*}/pyenv.d"
+fi
+PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:/usr/etc/pyenv.d:/usr/local/etc/pyenv.d:/etc/pyenv.d:/usr/lib/pyenv/hooks"
 for plugin_hook in "${PYENV_ROOT}/plugins/"*/etc/pyenv.d; do
-  hook_path="${hook_path}:${plugin_hook}"
+  PYENV_HOOK_PATH="${PYENV_HOOK_PATH}:${plugin_hook}"
 done
-export PYENV_HOOK_PATH="$hook_path"
+PYENV_HOOK_PATH="${PYENV_HOOK_PATH#:}"
+export PYENV_HOOK_PATH
 
 shopt -u nullglob
 
 
 command="$1"
 case "$command" in
-"" | "-h" | "--help" )
+"" )
-  echo -e "$(pyenv---version)\n$(pyenv-help)" >&2
+  { pyenv---version
+    pyenv-help
+  } | abort
   ;;
-"-v" )
+-v | --version )
   exec pyenv---version
   ;;
+-h | --help )
+  exec pyenv-help
+  ;;
 * )
   command_path="$(command -v "pyenv-$command" || true)"
   if [ -z "$command_path" ]; then
-    echo "pyenv: no such command \`$command'" >&2
+    if [ "$command" == "shell" ]; then
-    exit 1
+      abort "shell integration not enabled. Run \`pyenv init' for instructions."
+    else
+      abort "no such command \`$command'"
+    fi
   fi
 
   shift 1
-  exec "$command_path" "$@"
+  if [ "$1" = --help ]; then
+    if [[ "$command" == "sh-"* ]]; then
+      echo "pyenv help \"$command\""
+    else
+      exec pyenv-help "$command"
+    fi
+  else
+    exec "$command_path" "$@"
+  fi
   ;;
 esac

libexec/pyenv---version

@@ -12,9 +12,10 @@
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
-version="20141118"
+version="2.5.4"
+git_revision=""
 
-if cd "$PYENV_ROOT" 2>/dev/null; then
+if cd "${BASH_SOURCE%/*}" 2>/dev/null && git remote -v 2>/dev/null | grep -q pyenv; then
   git_revision="$(git describe --tags HEAD 2>/dev/null || true)"
   git_revision="${git_revision#v}"
 fi

libexec/pyenv-commands

@@ -28,15 +28,15 @@ shopt -s nullglob
     for command in "${path}/pyenv-"*; do
       command="${command##*pyenv-}"
       if [ -n "$sh" ]; then
-        if [ ${command:0:3} = "sh-" ]; then
+        if [ "${command:0:3}" = "sh-" ]; then
-          echo ${command##sh-}
+          echo "${command##sh-}"
         fi
       elif [ -n "$nosh" ]; then
-        if [ ${command:0:3} != "sh-" ]; then
+        if [ "${command:0:3}" != "sh-" ]; then
-          echo ${command##sh-}
+          echo "${command##sh-}"
         fi
       else
-        echo ${command##sh-}
+        echo "${command##sh-}"
       fi
     done
   done

libexec/pyenv-completions

@@ -10,7 +10,16 @@ if [ -z "$COMMAND" ]; then
   exit 1
 fi
 
+# Provide pyenv completions
+if [ "$COMMAND" = "--complete" ]; then
+  exec pyenv-commands
+fi
+
 COMMAND_PATH="$(command -v "pyenv-$COMMAND" || command -v "pyenv-sh-$COMMAND")"
+
+# --help is provided automatically
+echo --help
+
 if grep -iE "^([#%]|--|//) provide pyenv completions" "$COMMAND_PATH" >/dev/null; then
   shift
   exec "$COMMAND_PATH" --complete "$@"

libexec/pyenv-exec

@@ -8,20 +8,20 @@
 # version's `bin' directory is at the front.
 #
 # For example, if the currently selected Python version is 2.7.6:
-#   pyenv exec pip install -rrequirements.txt
+#   pyenv exec pip install -r requirements.txt
 #
 # is equivalent to:
-#   PATH="$PYENV_ROOT/versions/2.7.6/bin:$PATH" pip install -rrequirements.txt
+#   PATH="$PYENV_ROOT/versions/2.7.6/bin:$PATH" pip install -r requirements.txt
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
 # Provide pyenv completions
 if [ "$1" = "--complete" ]; then
-  exec pyenv shims --short
+  exec pyenv-shims --short
 fi
 
-PYENV_VERSION="$(pyenv-version-name)"
+PYENV_VERSION="$(pyenv-version-name -f)"
 PYENV_COMMAND="$1"
 
 if [ -z "$PYENV_COMMAND" ]; then
@@ -29,9 +29,9 @@ if [ -z "$PYENV_COMMAND" ]; then
   exit 1
 fi
 
-export PYENV_VERSION
 PYENV_COMMAND_PATH="$(pyenv-which "$PYENV_COMMAND")"
 PYENV_BIN_PATH="${PYENV_COMMAND_PATH%/*}"
+export PYENV_VERSION
 
 OLDIFS="$IFS"
 IFS=$'\n' scripts=(`pyenv-hooks exec`)
@@ -41,7 +41,8 @@ for script in "${scripts[@]}"; do
 done
 
 shift 1
-# CPython's `sys.executable` requires the `PYENV_BIN_PATH` to be at the top of the `PATH`.
+if [ "${PYENV_BIN_PATH#${PYENV_ROOT}}" != "${PYENV_BIN_PATH}" ]; then
-# https://github.com/yyuu/pyenv/issues/98
+  # Only add to $PATH for non-system version.
-export PATH="${PYENV_BIN_PATH}:${PATH}"
+  export PATH="${PYENV_BIN_PATH}:${PATH}"
-exec -a "$PYENV_COMMAND" "$PYENV_COMMAND_PATH" "$@"
+fi
+exec "$PYENV_COMMAND_PATH" "$@"

libexec/pyenv-global

@@ -1,16 +1,24 @@
 #!/usr/bin/env bash
 #
-# Summary: Set or show the global Python version
+# Summary: Set or show the global Python version(s)
 #
-# Usage: pyenv global <version>
+# Usage: pyenv global <version> <version2> <..>
 #
-# Sets the global Python version. You can override the global version at
+# Sets the global Python version(s). You can override the global version at
 # any time by setting a directory-specific version with `pyenv local'
 # or by setting the `PYENV_VERSION' environment variable.
 #
-# <version> should be a string matching a Python version known to pyenv.
+# <version> can be specified multiple times and should be a version
-# The special version string `system' will use your default system Python.
+# tag known to pyenv.  The special version string `system' will use
-# Run `pyenv versions' for a list of available Python versions.
+# your default system Python.  Run `pyenv versions' for a list of
+# available Python versions.
+#
+# Example: To enable the python2.7 and python3.7 shims to find their
+#          respective executables you could set both versions with:
+#
+# 'pyenv global 3.7.0 2.7.15'
+#
+
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x

libexec/pyenv-help

@@ -15,12 +15,20 @@
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
+# Provide pyenv completions
+if [ "$1" = "--complete" ]; then
+  echo --usage
+  exec pyenv-commands
+fi
+
 command_path() {
   local command="$1"
   command -v pyenv-"$command" || command -v pyenv-sh-"$command" || true
 }
 
 extract_initial_comment_block() {
+  LC_ALL= \
+  LC_CTYPE=C \
   sed -ne "
     /^#/ !{
       q
@@ -36,7 +44,9 @@ extract_initial_comment_block() {
 }
 
 collect_documentation() {
-  $(type -p gawk awk | head -1) '
+  # `tail` prevents "broken pipe" errors due to `head` closing the pipe without reading everything
+  # https://superuser.com/questions/554855/how-can-i-fix-a-broken-pipe-error/642932#642932
+  $(type -P gawk awk | tail -n +1 | head -n1) '
     /^Summary:/ {
       summary = substr($0, 10)
       next
@@ -80,7 +90,8 @@ collect_documentation() {
 }
 
 documentation_for() {
-  local filename="$(command_path "$1")"
+  local filename
+  filename="$(command_path "$1")"
   if [ -n "$filename" ]; then
     extract_initial_comment_block < "$filename" | collect_documentation
   fi
@@ -108,7 +119,7 @@ print_help() {
   eval "$(documentation_for "$command")"
   [ -n "$help" ] || help="$summary"
 
-  if [ -n "$usage" -o -n "$summary" ]; then
+  if [ -n "$usage" ] || [ -n "$summary" ]; then
     if [ -n "$usage" ]; then
       echo "$usage"
     else
@@ -143,10 +154,10 @@ if [ -z "$1" ] || [ "$1" == "pyenv" ]; then
   [ -z "$usage" ] || exit
   echo
   echo "Some useful pyenv commands are:"
-  print_summaries commands local global shell install uninstall rehash version versions which whence
+  print_summaries $(exec pyenv-commands | sort -u)
   echo
   echo "See \`pyenv help <command>' for information on a specific command."
-  echo "For full documentation, see: https://github.com/yyuu/pyenv#readme"
+  echo "For full documentation, see: https://github.com/pyenv/pyenv#readme"
 else
   command="$1"
   if [ -n "$(command_path "$command")" ]; then

libexec/pyenv-hooks

@@ -9,6 +9,8 @@ set -e
 if [ "$1" = "--complete" ]; then
   echo exec
   echo rehash
+  echo version-name
+  echo version-origin
   echo which
   exit
 fi
@@ -19,7 +21,12 @@ if [ -z "$PYENV_COMMAND" ]; then
   exit 1
 fi
 
-READLINK=$(type -p greadlink readlink | head -1)
+if ! enable -f "${BASH_SOURCE%/*}"/pyenv-realpath.dylib realpath 2>/dev/null; then
+  if [ -n "$PYENV_NATIVE_EXT" ]; then
+    echo "pyenv: failed to load \`realpath' builtin" >&2
+    exit 1
+  fi
+READLINK=$(type -P readlink)
 if [ -z "$READLINK" ]; then
   echo "pyenv: cannot find readlink - are you missing GNU coreutils?" >&2
   exit 1
@@ -30,25 +37,27 @@ resolve_link() {
 }
 
 realpath() {
-  local cwd="$(pwd)"
   local path="$1"
-
+  local name
+  # Use a subshell to avoid changing the current path
+  (
   while [ -n "$path" ]; do
-    cd "${path%/*}"
+    name="${path##*/}"
-    local name="${path##*/}"
+    [ "$name" = "$path" ] || cd "${path%/*}"
     path="$(resolve_link "$name" || true)"
   done
 
-  echo "$(pwd)/$name"
+  echo "${PWD}/$name"
-  cd "$cwd"
+  )
 }
+fi
 
 IFS=: hook_paths=($PYENV_HOOK_PATH)
 
 shopt -s nullglob
 for path in "${hook_paths[@]}"; do
   for script in "$path/$PYENV_COMMAND"/*.bash; do
-    echo $(realpath $script)
+    realpath "$script"
   done
 done
 shopt -u nullglob

libexec/pyenv-init

@@ -1,174 +1,297 @@
 #!/usr/bin/env bash
 # Summary: Configure the shell environment for pyenv
-# Usage: eval "$(pyenv init - [--no-rehash] [<shell>])"
+# Usage: eval "$(pyenv init [-|--path] [--no-push-path] [--detect-shell] [--no-rehash] [<shell>])"
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
-print=""
+# Provide pyenv completions
-no_rehash=""
+if [ "$1" = "--complete" ]; then
-for args in "$@"
+  echo -
-do
+  echo --path
-  if [ "$args" = "-" ]; then
+  echo --no-push-path
-    print=1
+  echo --no-rehash
-    shift
+  echo --detect-shell
-  fi
+  echo bash
+  echo fish
+  echo ksh
+  echo zsh
+  exit
+fi
 
-  if [ "$args" = "--no-rehash" ]; then
+mode="help"
-    no_rehash=1
+
-    shift
+while [ "$#" -gt 0 ]; do
-  fi
+  case "$1" in
+    -)
+      mode="print"
+      ;;
+    --path)
+      mode="path"
+      ;;
+    --detect-shell)
+      mode="detect-shell"
+      ;;
+    --no-push-path)
+      no_push_path=1
+      ;;
+    --no-rehash)
+      no_rehash=1
+      ;;
+    *)
+      shell="$1"
+      ;;
+  esac
+  shift
 done
 
-shell="$1"
+# If shell is not provided, detect it.
 if [ -z "$shell" ]; then
-  shell="$(ps c -p "$PPID" -o 'ucomm=' 2>/dev/null || true)"
+  shell="$(ps -p "$PPID" -o 'args=' 2>/dev/null || true)"
-  shell="${shell##-}"
   shell="${shell%% *}"
-  shell="$(basename "${shell:-$SHELL}")"
+  shell="${shell##-}"
+  shell="${shell:-$SHELL}"
+  shell="${shell##*/}"
+  shell="${shell%%-*}"
 fi
 
-READLINK=$(type -p greadlink readlink | head -1)
+function main() {
-if [ -z "$READLINK" ]; then
+  case "$mode" in
-  echo "pyenv: cannot find readlink - are you missing GNU coreutils?" >&2
+  "help")
-  exit 1
+    help_
-fi
+    exit 1
-
-resolve_link() {
-  $READLINK "$1"
-}
-
-abs_dirname() {
-  local cwd="$(pwd)"
-  local path="$1"
-
-  while [ -n "$path" ]; do
-    cd "${path%/*}"
-    local name="${path##*/}"
-    path="$(resolve_link "$name" || true)"
-  done
-
-  pwd
-  cd "$cwd"
-}
-
-root="$(abs_dirname "$0")/.."
-
-if [ -z "$print" ]; then
-  case "$shell" in
-  bash )
-    profile='~/.bash_profile'
     ;;
-  zsh )
+  "path")
-    profile='~/.zshrc'
+    print_path
+    print_rehash
+    exit 0
     ;;
-  ksh )
+  "print")
-    profile='~/.profile'
+    init_dirs
+    print_path
+    print_env
+    print_completion
+    print_rehash
+    print_shell_function
+    exit 0
     ;;
-  fish )
+  "detect-shell")
-    profile='~/.config/fish/config.fish'
+    detect_profile 1
-    ;;
+    print_detect_shell
-  * )
+    exit 0
-    profile='your profile'
     ;;
   esac
+  # should never get here
+  exit 2
+}
 
-  { echo "# Load pyenv automatically by adding"
+function detect_profile() {
-    echo "# the following to ${profile}:"
+  local detect_for_detect_shell="$1"
-    echo
+
+  case "$shell" in
+  bash )
+    if [ -e '~/.bash_profile' ]; then
+      profile='~/.bash_profile'
+    else
+      profile='~/.profile'
+    fi
+    profile_explain="~/.bash_profile if it exists, otherwise ~/.profile"
+    rc='~/.bashrc'
+    ;;
+  zsh )
+    profile='~/.zprofile'
+    rc='~/.zshrc'
+    ;;
+  ksh | ksh93 | mksh )
+    # There are two implementations of Korn shell: AT&T (ksh93) and Mir (mksh).
+    # Systems may have them installed under those names, or as ksh, so those
+    # are recognized here. The obsolete ksh88 (subsumed by ksh93) and pdksh
+    # (subsumed by mksh) are not included, since they are unlikely to still
+    # be in use as interactive shells anywhere.
+    profile='~/.profile'
+    rc='~/.profile'
+    ;;
+  * )
+    if [ -n "$detect_for_detect_shell" ]; then
+      profile=
+      rc=
+    else
+      profile='your shell'\''s login startup file'
+      rc='your shell'\''s interactive startup file'
+    fi
+    ;;
+  esac
+}
+
+function print_detect_shell() {
+  echo "PYENV_SHELL_DETECT=$shell"
+  echo "PYENV_PROFILE_DETECT=$profile"
+  echo "PYENV_RC_DETECT=$rc"
+}
+
+function help_() {
+  detect_profile
+  {
     case "$shell" in
     fish )
-      echo 'status --is-interactive; and . (pyenv init -|psub)'
+      echo "# Add pyenv executable to PATH by running"
+      echo "# the following interactively:"
+      echo
+      echo 'set -Ux PYENV_ROOT $HOME/.pyenv'
+      echo 'set -U fish_user_paths $PYENV_ROOT/bin $fish_user_paths'
+      echo
+      echo "# Load pyenv automatically by appending"
+      echo "# the following to ~/.config/fish/config.fish:"
+      echo
+      echo 'pyenv init - fish | source'
+      echo
       ;;
     * )
-      echo 'eval "$(pyenv init -)"'
+      echo '# Load pyenv automatically by appending'
+      echo -n "# the following to "
+      if [ "$profile" == "$rc" ]; then
+        echo "$profile :"
+      else
+        echo
+        echo "# ${profile_explain:-$profile} (for login shells)"
+        echo "# and $rc (for interactive shells) :"
+      fi
+      echo
+      echo 'export PYENV_ROOT="$HOME/.pyenv"'
+      echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"'
+      echo 'eval "$(pyenv init - '$shell')"'
       ;;
     esac
     echo
+    echo '# Restart your shell for the changes to take effect.'
+    echo
   } >&2
+}
 
-  exit 1
+function init_dirs() {
-fi
+  mkdir -p "${PYENV_ROOT}/"{shims,versions}
+}
 
-mkdir -p "${PYENV_ROOT}/"{shims,versions}
+function print_path() {
+  # if no_push_path is set, guard the PATH manipulation with a check on whether
+  # the shim is already in the PATH.
+  if [ -n "$no_push_path" ]; then
+    case "$shell" in
+      fish )
+          echo 'if not contains -- "'"${PYENV_ROOT}/shims"'" $PATH'
+          print_path_prepend_shims
+          echo 'end'
+          ;;
+      * )
+          echo 'if [[ ":$PATH:" != *'\':"${PYENV_ROOT}"/shims:\''* ]]; then'
+          print_path_prepend_shims
+          echo 'fi'
+          ;;
+    esac
+  else
+    case "$shell" in
+      fish )
+        echo 'while set pyenv_index (contains -i -- "'"${PYENV_ROOT}/shims"'" $PATH)'
+        echo 'set -eg PATH[$pyenv_index]; end; set -e pyenv_index'
+        print_path_prepend_shims
+        ;;
+      * )
+        # Some distros (notably Debian-based) set Bash's SSH_SOURCE_BASHRC compilation option
+        # that makes it source `bashrc` under SSH even when not interactive.
+        # This is inhibited by a guard in Debian's stock `bashrc` but some people remove it
+        # in order to get proper environment for noninteractive remote commands
+        # (SSH provides /etc/ssh/sshrc and ~/.ssh/rc for that but no-one seems to use them for some reason).
+        # This has caused an infinite `bashrc` execution loop for those people in the below nested Bash invocation (#2367).
+        # --norc negates this behavior of such a customized Bash.
+        echo 'PATH="$(bash --norc -ec '\''IFS=:; paths=($PATH); '
+        echo 'for i in ${!paths[@]}; do '
+        echo 'if [[ ${paths[i]} == "'\'\'"${PYENV_ROOT}/shims"\'\''" ]]; then unset '\'\\\'\''paths[i]'\'\\\'\''; '
+        echo 'fi; done; '
+        echo 'echo "${paths[*]}"'\'')"'
+        print_path_prepend_shims
+        ;;
+    esac
+  fi
+}
 
-if [[ ":${PATH}:" != *:"${PYENV_ROOT}/shims":* ]]; then
+function print_path_prepend_shims() {
+    case "$shell" in
+      fish )
+          echo 'set -gx PATH '\'"${PYENV_ROOT}/shims"\'' $PATH'
+          ;;
+      * )
+          echo 'export PATH="'"${PYENV_ROOT}"'/shims:${PATH}"'
+          ;;
+    esac
+}
+
+function print_env() {
   case "$shell" in
   fish )
-    echo "setenv PATH '${PYENV_ROOT}/shims' \$PATH"
+    echo "set -gx PYENV_SHELL $shell"
-  ;;
+    ;;
   * )
-    echo 'export PATH="'${PYENV_ROOT}'/shims:${PATH}"'
+    echo "export PYENV_SHELL=$shell"
-  ;;
+    ;;
-  esac
-fi
-
-case "$shell" in
-fish )
-  echo "setenv PYENV_SHELL $shell"
-;;
-* )
-  echo "export PYENV_SHELL=$shell"
-;;
-esac
-
-completion="${root}/completions/pyenv.${shell}"
-if [ -r "$completion" ]; then
-  case "$shell" in
-  fish ) echo ". '$completion'" ;;
-  *    ) echo "source '$completion'" ;;
-  esac
-fi
-
-if [ -z "$no_rehash" ]; then
-  echo 'pyenv rehash 2>/dev/null'
-fi
-
-commands=(`pyenv-commands --sh`)
-case "$shell" in
-fish )
-  cat <<EOS
-function pyenv
-  set command \$argv[1]
-  set -e argv[1]
-
-  switch "\$command"
-  case ${commands[*]}
-    eval (pyenv "sh-\$command" \$argv)
-  case '*'
-    command pyenv "\$command" \$argv
-  end
-end
-EOS
-  ;;
-ksh )
-  cat <<EOS
-function pyenv {
-  typeset command
-EOS
-  ;;
-* )
-  cat <<EOS
-pyenv() {
-  local command
-EOS
-  ;;
-esac
-
-if [ "$shell" != "fish" ]; then
-IFS="|"
-cat <<EOS
-  command="\$1"
-  if [ "\$#" -gt 0 ]; then
-    shift
-  fi
-
-  case "\$command" in
-  ${commands[*]})
-    eval "\`pyenv "sh-\$command" "\$@"\`";;
-  *)
-    command pyenv "\$command" "\$@";;
   esac
 }
-EOS
+
-fi
+function print_completion() {
+  completion="${0%/*/*}/completions/pyenv.${shell}"
+  if [ -r "$completion" ]; then
+    echo "source '$completion'"
+  fi
+}
+
+function print_rehash() {
+  if [ -z "$no_rehash" ]; then
+    echo 'command pyenv rehash 2>/dev/null'
+  fi
+}
+
+function print_shell_function() {
+  commands=(`pyenv-commands --sh`)
+  case "$shell" in
+  fish )
+    echo \
+'function pyenv
+  set command $argv[1]
+  set -e argv[1]
+
+  switch "$command"
+  case '"${commands[*]}"'
+    source (pyenv "sh-$command" $argv|psub)
+  case "*"
+    command pyenv "$command" $argv
+  end
+end'
+    ;;
+  ksh | ksh93 | mksh )
+    echo \
+'function pyenv {
+  typeset command=${1:-}'
+    ;;
+  * )
+    echo \
+'pyenv() {
+  local command=${1:-}'
+    ;;
+  esac
+
+  if [ "$shell" != "fish" ]; then
+    IFS="|"
+    echo \
+'  [ "$#" -gt 0 ] && shift
+  case "$command" in
+  '"${commands[*]:-/}"')
+    eval "$(pyenv "sh-$command" "$@")"
+    ;;
+  *)
+    command pyenv "$command" "$@"
+    ;;
+  esac
+}'
+  fi
+}
+
+main

libexec/pyenv-latest

@@ -0,0 +1,100 @@
+#!/usr/bin/env bash
+# Summary: Print the latest installed or known version with the given prefix
+# Usage: pyenv latest [-k|--known] <prefix>
+#
+#   -k/--known      Select from all known versions instead of installed
+#   -b/--bypass     (internal) On a resolution failure, do not print an error message
+#                   but rather print the argument unchanged
+#   -f/--force      (internal) Same as -b but also do not return a failure exit code
+
+set -e
+[ -n "$PYENV_DEBUG" ] && set -x
+
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        -k|--known)
+            FROM_KNOWN=1
+            shift
+            ;;
+        -b|--bypass)
+            BYPASS=1
+            shift
+            ;;
+        -f|--force)
+            FORCE=1
+            BYPASS=1
+            shift
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+prefix=$1
+exitcode=0
+
+IFS=$'\n'
+
+    if [[ -z $FROM_KNOWN ]]; then
+        DEFINITION_CANDIDATES=( $(pyenv-versions --bare --skip-envs) )
+    else
+        DEFINITION_CANDIDATES=( $(python-build --definitions ) )
+    fi
+    
+    if printf '%s\n' "${DEFINITION_CANDIDATES[@]}" 2>/dev/null | grep -qxFe "$prefix"; then
+        echo "$prefix"
+        exit $exitcode;
+    fi
+    
+    suffix=""
+    if [[ $prefix =~ ^(.*[0-9])t$ ]]; then
+        suffix="t"
+        prefix="${BASH_REMATCH[1]}"
+    fi
+    
+    # https://stackoverflow.com/questions/11856054/is-there-an-easy-way-to-pass-a-raw-string-to-grep/63483807#63483807 
+    prefix_re="$(sed 's/[^\^]/[&]/g;s/[\^]/\\&/g' <<< "$prefix")"
+    suffix_re="$(sed 's/[^\^]/[&]/g;s/[\^]/\\&/g' <<< "$suffix")"
+    # FIXME: more reliable and readable would probably be to loop over them and transform in pure Bash
+    DEFINITION_CANDIDATES=(\
+      $(printf '%s\n' "${DEFINITION_CANDIDATES[@]}" | \
+      grep -Ee "^$prefix_re[-.].*$suffix_re\$" || true))
+
+    DEFINITION_CANDIDATES=(\
+        $(printf '%s\n' "${DEFINITION_CANDIDATES[@]}" | \
+          sed -E -e '/-dev$/d' -e '/-src$/d' -e '/-latest$/d' -e '/(a|b|rc)[0-9]+$/d' \
+            $(if [[ -z $suffix ]]; then echo "-e /[0-9]t\$/d"; fi)
+        ));
+
+    # Compose a sorting key, followed by | and original value
+    DEFINITION_CANDIDATES=(\
+        $(printf '%s\n' "${DEFINITION_CANDIDATES[@]}" | \
+          awk \
+            '{ if (match($0,"^[[:alnum:]]+-"))
+               { print substr($0,0,RLENGTH-1) "." substr($0,RLENGTH+1) "..|" $0; }
+             else
+               { print $0 "...|" $0; }
+             }'))
+    DEFINITION_CANDIDATES=(\
+        $(printf '%s\n' "${DEFINITION_CANDIDATES[@]}" \
+          | sort -t. -k1,1r -k 2,2nr -k 3,3nr -k4,4nr \
+          | cut -f2 -d $'|' \
+        || true))
+    DEFINITION="${DEFINITION_CANDIDATES[0]}"
+
+    if [[ -n "$DEFINITION" ]]; then
+        echo "$DEFINITION"
+    else
+        if [[ -z $BYPASS ]]; then
+            echo "pyenv: no $([[ -z $FROM_KNOWN ]] && echo installed || echo known) versions match the prefix \`$prefix'" >&2
+        else
+            echo "$prefix"
+        fi
+        if [[ -z $FORCE ]]; then
+            exitcode=1
+        fi
+    fi
+
+exit $exitcode

libexec/pyenv-local

@@ -1,11 +1,13 @@
 #!/usr/bin/env bash
 #
-# Summary: Set or show the local application-specific Python version
+# Summary: Set or show the local application-specific Python version(s)
 #
-# Usage: pyenv local <version>
+# Usage: pyenv local [-f|--force] [<version> [...]]
 #        pyenv local --unset
 #
-# Sets the local application-specific Python version by writing the
+#   -f/--force    Do not verify that the versions being set exist
+#
+# Sets the local application-specific Python version(s) by writing the
 # version name to a file named `.python-version'.
 #
 # When you run a Python command, pyenv will look for a `.python-version'
@@ -15,13 +17,16 @@
 # `PYENV_VERSION' environment variable takes precedence over local
 # and global versions.
 #
-# For backwards compatibility, pyenv will also read version
+# <version> can be specified multiple times and should be a version
-# specifications from `.pyenv-version' files, but a `.python-version'
+# tag known to pyenv.  The special version string `system' will use
-# file in the same directory takes precedence.
+# your default system Python.  Run `pyenv versions' for a list of
+# available Python versions.
 #
-# <version> should be a string matching a Python version known to pyenv.
+# Example: To enable the python2.7 and python3.7 shims to find their
-# The special version string `system' will use your default system Python.
+#          respective executables you could set both versions with:
-# Run `pyenv versions' for a list of available Python versions.
+#
+# 'pyenv local 3.7.0 2.7.15'
+
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
@@ -33,30 +38,33 @@ if [ "$1" = "--complete" ]; then
   exec pyenv-versions --bare
 fi
 
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        -f|--force)
+            FORCE=1
+            shift
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
 versions=("$@")
 
 if [ "$versions" = "--unset" ]; then
-  rm -f .python-version .pyenv-version
+  rm -f .python-version
 elif [ -n "$versions" ]; then
-  previous_file="$(PYENV_VERSION= pyenv-version-origin || true)"
+  pyenv-version-file-write ${FORCE:+-f }.python-version "${versions[@]}"
-  pyenv-version-file-write .python-version "${versions[@]}"
-  if [ "$previous_file" -ef .pyenv-version ]; then
-    rm -f .pyenv-version
-    { echo "pyenv: removed existing \`.pyenv-version' file and migrated"
-      echo "       local version specification to \`.python-version' file"
-    } >&2
-  fi
 else
-  OLDIFS="$IFS"
+  if version_file="$(pyenv-version-file "$PWD")"; then
-  IFS=: versions=($(
+    IFS=: versions=($(pyenv-version-file-read "$version_file"))
-    pyenv-version-file-read .python-version ||
+    for version in "${versions[@]}"; do
-    pyenv-version-file-read .pyenv-version ||
+      echo "$version"
-    { echo "pyenv: no local version configured for this directory"
+    done
-      exit 1
+  else
-    } >&2
+    echo "pyenv: no local version configured for this directory" >&2
-  ))
+    exit 1
-  IFS="$OLDIFS"
+  fi
-  for version in "${versions[@]}"; do
-    echo "$version"
-  done
 fi

libexec/pyenv-prefix

@@ -1,10 +1,10 @@
 #!/usr/bin/env bash
-# Summary: Display prefix for a Python version
+# Summary: Display prefixes for Python versions
-# Usage: pyenv prefix [<version>]
+# Usage: pyenv prefix [<version>...]
 #
-# Displays the directory where a Python version is installed. If no
+# Displays the directories where the given Python versions are installed,
-# version is given, `pyenv prefix' displays the location of the
+# separated by colons. If no version is given, `pyenv prefix' displays the
-# currently selected version.
+# locations of the currently selected versions.
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
@@ -30,13 +30,19 @@ OLDIFS="$IFS"
 { IFS=:
   for version in ${PYENV_VERSION}; do
     if [ "$version" = "system" ]; then
-      if PYTHON_PATH="$(pyenv-which python 2>/dev/null)"; then
+      if PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python --skip-advice 2>/dev/null)" || \
-        PYENV_PREFIX_PATH="${PYTHON_PATH%/bin/*}"
+          PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python3 --skip-advice 2>/dev/null)" || \
+          PYTHON_PATH="$(PYENV_VERSION="${version}" pyenv-which python2 --skip-advice 2>/dev/null)"; then
+        shopt -s extglob
+        # In some distros (Arch), Python can be found in sbin as well as bin
+        PYENV_PREFIX_PATH="${PYTHON_PATH%/?(s)bin/*}"
+        PYENV_PREFIX_PATH="${PYENV_PREFIX_PATH:-/}"
       else
         echo "pyenv: system version not found in PATH" >&2
         exit 1
       fi
     else
+      version="$(pyenv-latest -f "$version")"
       PYENV_PREFIX_PATH="${PYENV_ROOT}/versions/${version}"
     fi
     if [ -d "$PYENV_PREFIX_PATH" ]; then

libexec/pyenv-rehash

@@ -10,30 +10,52 @@ PROTOTYPE_SHIM_PATH="${SHIM_PATH}/.pyenv-shim"
 # Create the shims directory if it doesn't already exist.
 mkdir -p "$SHIM_PATH"
 
-# Ensure only one instance of pyenv-rehash is running at a time by
+acquire_lock() {
-# setting the shell's `noclobber` option and attempting to write to
+  # Ensure only one instance of pyenv-rehash is running at a time by
-# the prototype shim file. If the file already exists, print a warning
+  # setting the shell's `noclobber` option and attempting to write to
-# to stderr and exit with a non-zero status.
+  # the prototype shim file. If the file already exists, print a warning
-set -o noclobber
+  # to stderr and exit with a non-zero status.
-{ echo > "$PROTOTYPE_SHIM_PATH"
+  local ret
-} 2>/dev/null ||
+  set -o noclobber
-{ if [ -w "$SHIM_PATH" ]; then
+  echo > "$PROTOTYPE_SHIM_PATH" 2>| /dev/null || ret=1
-    echo "pyenv: cannot rehash: $PROTOTYPE_SHIM_PATH exists"
+  set +o noclobber
-  else
+  [ -z "${ret}" ]
-    echo "pyenv: cannot rehash: $SHIM_PATH isn't writable"
+}
-  fi
-  exit 1
-} >&2
-set +o noclobber
 
 # If we were able to obtain a lock, register a trap to clean up the
 # prototype shim when the process exits.
-trap remove_prototype_shim EXIT
+trap release_lock EXIT
 
 remove_prototype_shim() {
   rm -f "$PROTOTYPE_SHIM_PATH"
 }
 
+release_lock() {
+  remove_prototype_shim
+}
+
+if [ ! -w "$SHIM_PATH" ]; then
+  echo "pyenv: cannot rehash: $SHIM_PATH isn't writable"
+  exit 1
+fi
+
+unset acquired
+start=$SECONDS
+while (( SECONDS <= start + ${PYENV_REHASH_TIMEOUT:-60} )); do
+  if acquire_lock 2>/dev/null; then
+    acquired=1
+    break
+  else
+    # POSIX sleep(1) doesn't provide subsecond precision, but many others do
+    sleep 0.1 2>/dev/null || sleep 1
+  fi
+done
+
+if [ -z "${acquired}" ]; then
+  echo "pyenv: cannot rehash: $PROTOTYPE_SHIM_PATH exists"
+  exit 1
+fi
+
 # The prototype shim file is a script that re-execs itself, passing
 # its filename and any arguments to `pyenv exec`. This file is
 # hard-linked for every executable and then removed. The linking
@@ -46,19 +68,6 @@ set -e
 [ -n "\$PYENV_DEBUG" ] && set -x
 
 program="\${0##*/}"
-if [ "\$program" = "python" ]; then
-  for arg; do
-    case "\$arg" in
-    -c* | -- ) break ;;
-    */* )
-      if [ -f "\$arg" ]; then
-        export PYENV_DIR="\${arg%/*}"
-        break
-      fi
-      ;;
-    esac
-  done
-fi
 
 export PYENV_ROOT="$PYENV_ROOT"
 exec "$(command -v pyenv)" exec "\$program" "\$@"
@@ -70,78 +79,103 @@ SH
 # of the first shim in the shims directory, assume pyenv has been
 # upgraded and the existing shims need to be removed.
 remove_outdated_shims() {
-  for shim in *; do
+  local shim
+  for shim in "$SHIM_PATH"/*; do
     if ! diff "$PROTOTYPE_SHIM_PATH" "$shim" >/dev/null 2>&1; then
-      for shim in *; do rm -f "$shim"; done
+      rm -f "$SHIM_PATH"/*
     fi
     break
   done
 }
 
+# List basenames of executables for every Python version
+list_executable_names() {
+  local version file
+  pyenv-versions --bare --skip-aliases | \
+  while read -r version; do
+    for file in "${PYENV_ROOT}/versions/${version}/bin/"*; do
+      echo "${file##*/}"
+    done
+  done
+}
+
 # The basename of each argument passed to `make_shims` will be
 # registered for installation as a shim. In this way, plugins may call
 # `make_shims` with a glob to register many shims at once.
 make_shims() {
-  local shims=("$@")
+  local file shim
-
+  for file; do
-  for file in "${shims[@]}"; do
+    shim="${file##*/}"
-    local shim="${file##*/}"
     register_shim "$shim"
   done
 }
 
-# Create an empty array for the list of registered shims and an empty
+if ((${BASH_VERSINFO[0]} > 3)); then
-# string to use as a search index.
-registered_shims=()
-registered_shims_index=""
 
-# We will keep track of shims registered for installation with the
+  declare -A registered_shims
-# global `registered_shims` array and with a global search index
-# string. The array will let us iterate over all registered shims. The
-# index string will let us quickly check whether a shim with the given
-# name has been registered or not.
-register_shim() {
-  local shim="$@"
-  registered_shims["${#registered_shims[@]}"]="$shim"
-  registered_shims_index="$registered_shims_index/$shim/"
-}
 
-# To install all the registered shims, we iterate over the
+  # Registers the name of a shim to be generated.
-# `registered_shims` array and create a link if one does not already
+  register_shim() {
-# exist.
+    registered_shims["$1"]=1
-install_registered_shims() {
+  }
-  local shim
-  for shim in "${registered_shims[@]}"; do
-    [ -e "$shim" ] || ln -f "$PROTOTYPE_SHIM_PATH" "$shim"
-  done
-}
 
-# Once the registered shims have been installed, we make a second pass
+  # Install all shims registered via `make_shims` or `register_shim` directly.
-# over the contents of the shims directory. Any file that is present
+  install_registered_shims() {
-# in the directory but has not been registered as a shim should be
+    local shim file
-# removed.
+    for shim in "${!registered_shims[@]}"; do
-remove_stale_shims() {
+      file="${SHIM_PATH}/${shim}"
-  local shim
+      [ -e "$file" ] || cp "$PROTOTYPE_SHIM_PATH" "$file"
-  for shim in *; do
+    done
-    if [[ "$registered_shims_index" != *"/$shim/"* ]]; then
+  }
-      rm -f "$shim"
-    fi
-  done
-}
 
+  # Once the registered shims have been installed, we make a second pass
+  # over the contents of the shims directory. Any file that is present
+  # in the directory but has not been registered as a shim should be
+  # removed.
+  remove_stale_shims() {
+    local shim
+    for shim in "$SHIM_PATH"/*; do
+      if [[ ! ${registered_shims["${shim##*/}"]} ]]; then
+        rm -f "$shim"
+      fi
+    done
+  }
+
+else # Same for bash < 4.
+
+    registered_shims=" "
+
+    register_shim() {
+      registered_shims="${registered_shims}${1} "
+    }
+
+    install_registered_shims() {
+      local shim file
+      for shim in $registered_shims; do
+        file="${SHIM_PATH}/${shim}"
+        [ -e "$file" ] || cp "$PROTOTYPE_SHIM_PATH" "$file"
+      done
+    }
+
+    remove_stale_shims() {
+      local shim
+      for shim in "$SHIM_PATH"/*; do
+        if [[ "$registered_shims" != *" ${shim##*/} "* ]]; then
+          rm -f "$shim"
+        fi
+      done
+    }
+fi
 
-# Change to the shims directory.
-cd "$SHIM_PATH"
 shopt -s nullglob
 
 # Create the prototype shim, then register shims for all known
 # executables.
 create_prototype_shim
 remove_outdated_shims
-make_shims ../versions/*/bin/*
+# shellcheck disable=SC2046
+make_shims $(list_executable_names | sort -u)
 
-# Restore the previous working directory.
-cd "$OLDPWD"
 
 # Allow plugins to register shims.
 OLDIFS="$IFS"
@@ -152,8 +186,5 @@ for script in "${scripts[@]}"; do
   source "$script"
 done
 
-# Change back to the shims directory to install the registered shims
-# and remove stale shims.
-cd "$SHIM_PATH"
 install_registered_shims
 remove_stale_shims

libexec/pyenv-root

@@ -1,3 +1,3 @@
 #!/usr/bin/env bash
 # Summary: Display the root directory where versions and shims are kept
-echo $PYENV_ROOT
+echo "$PYENV_ROOT"

libexec/pyenv-sh-shell

@@ -2,7 +2,8 @@
 #
 # Summary: Set or show the shell-specific Python version
 #
-# Usage: pyenv shell <version>
+# Usage: pyenv shell <version>...
+#        pyenv shell -
 #        pyenv shell --unset
 #
 # Sets a shell-specific Python version by setting the `PYENV_VERSION'
@@ -12,6 +13,11 @@
 # <version> should be a string matching a Python version known to pyenv.
 # The special version string `system' will use your default system Python.
 # Run `pyenv versions' for a list of available Python versions.
+#
+# When `-` is passed instead of the version string, the previously set
+# version will be restored. With `--unset`, the `PYENV_VERSION`
+# environment variable gets unset, restoring the environment to the
+# state before the first `pyenv shell` call.
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
@@ -31,7 +37,7 @@ if [ -z "$versions" ]; then
     echo "pyenv: no shell-specific version configured" >&2
     exit 1
   else
-    echo "echo \"\$PYENV_VERSION\""
+    echo 'echo "$PYENV_VERSION"'
     exit
   fi
 fi
@@ -39,28 +45,76 @@ fi
 if [ "$versions" = "--unset" ]; then
   case "$shell" in
   fish )
+    echo 'set -gu PYENV_VERSION_OLD "$PYENV_VERSION"'
     echo "set -e PYENV_VERSION"
     ;;
   * )
+    echo 'PYENV_VERSION_OLD="${PYENV_VERSION-}"'
     echo "unset PYENV_VERSION"
     ;;
   esac
   exit
 fi
 
+if [ "$versions" = "-" ]; then
+  case "$shell" in
+  fish )
+    cat <<EOS
+if set -q PYENV_VERSION_OLD
+  if [ -n "\$PYENV_VERSION_OLD" ]
+    set PYENV_VERSION_OLD_ "\$PYENV_VERSION"
+    set -gx PYENV_VERSION "\$PYENV_VERSION_OLD"
+    set -gu PYENV_VERSION_OLD "\$PYENV_VERSION_OLD_"
+    set -e PYENV_VERSION_OLD_
+  else
+    set -gu PYENV_VERSION_OLD "\$PYENV_VERSION"
+    set -e PYENV_VERSION
+  end
+else
+  echo "pyenv: PYENV_VERSION_OLD is not set" >&2
+  false
+end
+EOS
+    ;;
+  * )
+    cat <<EOS
+if [ -n "\${PYENV_VERSION_OLD+x}" ]; then
+  if [ -n "\$PYENV_VERSION_OLD" ]; then
+    PYENV_VERSION_OLD_="\$PYENV_VERSION"
+    export PYENV_VERSION="\$PYENV_VERSION_OLD"
+    PYENV_VERSION_OLD="\$PYENV_VERSION_OLD_"
+    unset PYENV_VERSION_OLD_
+  else
+    PYENV_VERSION_OLD="\$PYENV_VERSION"
+    unset PYENV_VERSION
+  fi
+else
+  echo "pyenv: PYENV_VERSION_OLD is not set" >&2
+  false
+fi
+EOS
+    ;;
+  esac
+  exit
+fi
+
 # Make sure the specified version is installed.
 if pyenv-prefix "${versions[@]}" >/dev/null; then
   OLDIFS="$IFS"
   IFS=: version="${versions[*]}"
   IFS="$OLDIFS"
-  case "$shell" in
+  if [ "$version" != "$PYENV_VERSION" ]; then
-  fish )
+    case "$shell" in
-    echo "setenv PYENV_VERSION \"${version}\""
+    fish )
-    ;;
+      echo 'set -gu PYENV_VERSION_OLD "$PYENV_VERSION"'
-  * )
+      echo "set -gx PYENV_VERSION \"$version\""
-    echo "export PYENV_VERSION=\"${version}\""
+      ;;
-    ;;
+    * )
-  esac
+      echo 'PYENV_VERSION_OLD="${PYENV_VERSION-}"'
+      echo "export PYENV_VERSION=\"${version}\""
+      ;;
+    esac
+  fi
 else
   echo "false"
   exit 1

libexec/pyenv-version

@@ -1,17 +1,20 @@
 #!/usr/bin/env bash
-# Summary: Show the current Python version and its origin
+# Summary: Show the current Python version(s) and its origin
 #
-# Shows the currently selected Python version and how it was
+# Shows the currently selected Python version(s) and how it was
 # selected. To obtain only the version string, use `pyenv
 # version-name'.
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
+exitcode=0
 OLDIFS="$IFS"
-IFS=: PYENV_VERSION_NAMES=($(pyenv-version-name))
+IFS=: PYENV_VERSION_NAMES=($(pyenv-version-name)) || exitcode=$?
 IFS="$OLDIFS"
 
 for PYENV_VERSION_NAME in "${PYENV_VERSION_NAMES[@]}"; do
   echo "$PYENV_VERSION_NAME (set by $(pyenv-version-origin))"
 done
+
+exit $exitcode

libexec/pyenv-version-file

@@ -1,34 +1,28 @@
 #!/usr/bin/env bash
+# Usage: pyenv version-file [<dir>]
 # Summary: Detect the file that sets the current pyenv version
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
+target_dir="$1"
+
 find_local_version_file() {
   local root="$1"
-  while [ -n "$root" ]; do
+  while ! [[ "$root" =~ ^//[^/]*$ ]]; do
-    if [ -e "${root}/.python-version" ]; then
+    if [ -f "${root}/.python-version" ]; then
       echo "${root}/.python-version"
-      exit
+      return 0
-    elif [ -e "${root}/.pyenv-version" ]; then
-      echo "${root}/.pyenv-version"
-      exit
     fi
-    [ "${root}" = "${root%/*}" ] && break
+    [ -n "$root" ] || break
     root="${root%/*}"
   done
+  return 1
 }
 
-find_local_version_file "$PYENV_DIR"
+if [ -n "$target_dir" ]; then
-[ "$PYENV_DIR" = "$PWD" ] || find_local_version_file "$PWD"
+  find_local_version_file "$target_dir"
-
-global_version_file="${PYENV_ROOT}/version"
-
-if [ -e "$global_version_file" ]; then
-  echo "$global_version_file"
-elif [ -e "${PYENV_ROOT}/global" ]; then
-  echo "${PYENV_ROOT}/global"
-elif [ -e "${PYENV_ROOT}/default" ]; then
-  echo "${PYENV_ROOT}/default"
 else
-  echo "$global_version_file"
+  find_local_version_file "$PYENV_DIR" || {
+    [ "$PYENV_DIR" != "$PWD" ] && find_local_version_file "$PWD"
+  } || echo "${PYENV_ROOT}/version"
 fi

libexec/pyenv-version-file-read

@@ -5,18 +5,39 @@ set -e
 
 VERSION_FILE="$1"
 
-if [ -e "$VERSION_FILE" ]; then
+function is_version_safe() {
+  # As needed, check that the constructed path exists as a child path of PYENV_ROOT/versions
+  version="$1"
+  if [[ "$version" == ".." || "$version" == */* ]]; then
+    # Sanity check the value of version to prevent malicious path-traversal
+    (
+      cd "$PYENV_ROOT/versions/$version" &>/dev/null || exit 1
+      [[ "$PWD" == "$PYENV_ROOT/versions/"* ]]
+    )
+    return $?
+  else
+    return 0
+  fi
+}
+
+if [ -s "$VERSION_FILE" ]; then
   # Read the first non-whitespace word from the specified version file.
   # Be careful not to load it whole in case there's something crazy in it.
-  IFS="${IFS}"$'\r'
+  IFS="$IFS"$'\r'
-  words=( $(cut -b 1-1024 "$VERSION_FILE" | $(type -p gawk awk | head -1) '{ print($1) }') )
+  sep=
-  versions=("${words[@]}")
+  while read -n 1024 -r version _ || [[ $version ]]; do
-
+    if [[ -z "$version" || "$version" == \#* ]]; then
-  if [ -n "$versions" ]; then
+      # Skip empty lines and comments
-    IFS=":"
+      continue
-    echo "${versions[*]}"
+    elif ! is_version_safe "$version"; then
-    exit
+      # CVE-2022-35861 allowed arbitrary code execution in some contexts and is mitigated by is_version_safe.
-  fi
+      echo "pyenv: invalid version \`$version' ignored in \`$VERSION_FILE'" >&2
+      continue
+    fi
+    printf "%s%s" "$sep" "$version"
+    sep=:
+  done <"$VERSION_FILE"
+  [[ $sep ]] && { echo; exit; }
 fi
 
 exit 1

libexec/pyenv-version-file-write

@@ -1,9 +1,25 @@
 #!/usr/bin/env bash
-# Usage: pyenv version-file-write <file> <version>
+# Usage: pyenv version-file-write [-f|--force] <file> <version> [...]
+#
+#   -f/--force    Don't verify that the versions exist
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        -f|--force)
+            FORCE=1
+            shift
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+
 PYENV_VERSION_FILE="$1"
 shift || true
 versions=("$@")
@@ -14,7 +30,7 @@ if [ -z "$versions" ] || [ -z "$PYENV_VERSION_FILE" ]; then
 fi
 
 # Make sure the specified version is installed.
-pyenv-prefix "${versions[@]}" >/dev/null
+[[ -z $FORCE ]] && pyenv-prefix "${versions[@]}" >/dev/null
 
 # Write the version out to disk.
 # Create an empty file. Using "rm" might cause a permission error.

libexec/pyenv-version-name

@@ -1,13 +1,37 @@
 #!/usr/bin/env bash
 # Summary: Show the current Python version
+#
+#   -f/--force    (Internal) If a version doesn't exist, print it as is rather than produce an error
+
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        -f|--force)
+            FORCE=1
+            shift
+            ;;
+        *)
+            break
+            ;;
+    esac
+done
+
+
 if [ -z "$PYENV_VERSION" ]; then
   PYENV_VERSION_FILE="$(pyenv-version-file)"
   PYENV_VERSION="$(pyenv-version-file-read "$PYENV_VERSION_FILE" || true)"
 fi
 
+OLDIFS="$IFS"
+IFS=$'\n' scripts=(`pyenv-hooks version-name`)
+IFS="$OLDIFS"
+for script in "${scripts[@]}"; do
+  source "$script"
+done
+
 if [ -z "$PYENV_VERSION" ] || [ "$PYENV_VERSION" = "system" ]; then
   echo "system"
   exit
@@ -21,17 +45,25 @@ version_exists() {
 versions=()
 OLDIFS="$IFS"
 { IFS=:
+  any_not_installed=0
   for version in ${PYENV_VERSION}; do
-    if version_exists "$version" || [ "$version" = "system" ]; then
+    # Remove the explicit 'python-' prefix from versions like 'python-3.12'.
-      versions=("${versions[@]}" "${version}")
+    normalised_version="${version#python-}"
-    elif version_exists "${version#python-}"; then
+    if version_exists "${version}" || [ "$version" = "system" ]; then
-      { echo "warning: ignoring extraneous \`python-' prefix in version \`${version}'"
+      versions+=("${version}")
-        echo "         (set by $(pyenv-version-origin))"
+    elif version_exists "${normalised_version}"; then
-      } >&2
+      versions+=("${normalised_version}")
-      versions=("${versions[@]}" "${version#python-}")
+    elif resolved_version="$(pyenv-latest -b "${version}")"; then
+      versions+=("${resolved_version}")
+    elif resolved_version="$(pyenv-latest -b "${normalised_version}")"; then
+      versions+=("${resolved_version}")
     else
-      echo "pyenv: version \`$version' is not installed" >&2
+      if [[ -n $FORCE ]]; then
-      exit 1
+        versions+=("${normalised_version}")
+      else
+        echo "pyenv: version \`$version' is not installed (set by $(pyenv-version-origin))" >&2
+        any_not_installed=1
+      fi
     fi
   done
 }
@@ -42,3 +74,7 @@ OLDIFS="$IFS"
   echo "${versions[*]}"
 }
 IFS="$OLDIFS"
+
+if [ "$any_not_installed" = 1 ]; then
+  exit 1
+fi

libexec/pyenv-version-origin

@@ -3,7 +3,18 @@
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
-if [ -n "$PYENV_VERSION" ]; then
+unset PYENV_VERSION_ORIGIN
+
+OLDIFS="$IFS"
+IFS=$'\n' scripts=(`pyenv-hooks version-origin`)
+IFS="$OLDIFS"
+for script in "${scripts[@]}"; do
+  source "$script"
+done
+
+if [ -n "$PYENV_VERSION_ORIGIN" ]; then
+  echo "$PYENV_VERSION_ORIGIN"
+elif [ -n "$PYENV_VERSION" ]; then
   echo "PYENV_VERSION environment variable"
 else
   pyenv-version-file

libexec/pyenv-versions

@@ -1,22 +1,89 @@
 #!/usr/bin/env bash
 # Summary: List all Python versions available to pyenv
-# Usage: pyenv versions [--bare]
+# Usage: pyenv versions [--bare] [--skip-aliases] [--skip-envs]
 #
 # Lists all Python versions found in `$PYENV_ROOT/versions/*'.
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
-if [ "$1" = "--bare" ]; then
+unset bare skip_aliases skip_envs
-  hit_prefix=""
+# Provide pyenv completions
-  miss_prefix=""
+for arg; do
+  case "$arg" in
+  --complete )
+    echo --bare
+    echo --skip-aliases
+    echo --skip-envs
+    exit ;;
+  --bare ) bare=1 ;;
+  --skip-aliases ) skip_aliases=1 ;;
+  --skip-envs ) skip_envs=1 ;;
+  * )
+    pyenv-help --usage versions >&2
+    exit 1
+    ;;
+  esac
+done
+
+versions_dir="${PYENV_ROOT}/versions"
+
+if ! enable -f "${BASH_SOURCE%/*}"/pyenv-realpath.dylib realpath 2>/dev/null; then
+  if [ -n "$PYENV_NATIVE_EXT" ]; then
+    echo "pyenv: failed to load \`realpath' builtin" >&2
+    exit 1
+  fi
+
+  READLINK=$(type -P readlink)
+  if [ -z "$READLINK" ]; then
+    echo "pyenv: cannot find readlink - are you missing GNU coreutils?" >&2
+    exit 1
+  fi
+
+  resolve_link() {
+    $READLINK "$1"
+  }
+
+  realpath() {
+    local path="$1"
+    local name
+
+    # Use a subshell to avoid changing the current path
+    (
+    while [ -n "$path" ]; do
+      name="${path##*/}"
+      [ "$name" = "$path" ] || cd "${path%/*}"
+      path="$(resolve_link "$name" || true)"
+    done
+
+    echo "${PWD}/$name"
+    )
+  }
+fi
+
+if [ -d "$versions_dir" ]; then
+  versions_dir="$(realpath "$versions_dir")"
+fi
+
+if ((${BASH_VERSINFO[0]} > 3)); then
+  declare -A current_versions
+else
   current_versions=()
+fi
+if [ -n "$bare" ]; then
   include_system=""
 else
   hit_prefix="* "
   miss_prefix="  "
   OLDIFS="$IFS"
-  IFS=: current_versions=($(pyenv-version-name || true))
+  IFS=:
+  if ((${BASH_VERSINFO[0]} > 3)); then
+    for i in $(pyenv-version-name || true); do
+      current_versions["$i"]="1"
+    done
+  else
+    current_versions=($(pyenv-version-name || true))
+  fi
   IFS="$OLDIFS"
   include_system="1"
 fi
@@ -36,26 +103,69 @@ exists() {
 }
 
 print_version() {
-  if exists "$1" "${current_versions[@]}"; then
+  local version="${1:?}"
-    echo "${hit_prefix}$1 (set by $(pyenv-version-origin))"
+  if [[ -n $bare ]]; then
+    echo "$version"
+    return
+  fi
+  local path="${2:?}"
+  if [[ -L "$path" ]]; then
+    # Only resolve the link itself for printing, do not resolve further.
+    # Doing otherwise would misinform the user of what the link contains.
+    version_repr="$version --> $(readlink "$path")"
   else
-    echo "${miss_prefix}$1"
+    version_repr="$version"
+  fi
+  if [[ ${BASH_VERSINFO[0]} -ge 4 && ${current_versions["$1"]} ]]; then
+    echo "${hit_prefix}${version_repr} (set by $(pyenv-version-origin))"
+  elif (( ${BASH_VERSINFO[0]} <= 3 )) && exists "$1" "${current_versions[@]}"; then
+    echo "${hit_prefix}${version_repr} (set by $(pyenv-version-origin))"
+  else
+    echo "${miss_prefix}${version_repr}"
   fi
   num_versions=$((num_versions + 1))
 }
 
 # Include "system" in the non-bare output, if it exists
-if [ -n "$include_system" ] && PYENV_VERSION=system pyenv-which python >/dev/null 2>&1; then
+if [ -n "$include_system" ] && \
-  print_version system
+    (PYENV_VERSION=system pyenv-which python --skip-advice >/dev/null 2>&1 || \
+     PYENV_VERSION=system pyenv-which python3 --skip-advice >/dev/null 2>&1 || \
+     PYENV_VERSION=system pyenv-which python2 --skip-advice >/dev/null 2>&1) ; then
+  print_version system "/"
 fi
 
-shopt -s nullglob
+shopt -s dotglob nullglob
-for path in "${PYENV_ROOT}/versions/"*; do
+versions_dir_entries=("$versions_dir"/*)
+if sort --version-sort </dev/null >/dev/null 2>&1; then
+    # system sort supports version sorting
+    OLDIFS="$IFS"
+    IFS=$'\n'
+    versions_dir_entries=($(
+        printf "%s\n" "${versions_dir_entries[@]}" |
+        sort --version-sort
+    ))
+    IFS="$OLDIFS"
+fi
+
+for path in "${versions_dir_entries[@]}"; do
   if [ -d "$path" ]; then
-    print_version "${path##*/}"
+    if [ -n "$skip_aliases" ] && [ -L "$path" ]; then
+      target="$(realpath "$path")"
+      [ "${target%/*}" == "$versions_dir" ] && continue
+      [ "${target%/*/envs/*}" == "$versions_dir" ] && continue
+    fi
+    print_version "${path##*/}" "$path"
+    # virtual environments created by anaconda/miniconda/pyenv-virtualenv
+    if [[ -z $skip_envs ]]; then
+      for env_path in "${path}/envs/"*; do
+        if [ -d "${env_path}" ]; then
+          print_version "${env_path#${PYENV_ROOT}/versions/}" "${env_path}"
+        fi
+      done
+    fi
   fi
 done
-shopt -u nullglob
+shopt -u dotglob nullglob
 
 if [ "$num_versions" -eq 0 ] && [ -n "$include_system" ]; then
   echo "Warning: no Python detected on the system" >&2

libexec/pyenv-whence

@@ -8,7 +8,7 @@ set -e
 # Provide pyenv completions
 if [ "$1" = "--complete" ]; then
   echo --path
-  exec pyenv shims --short
+  exec pyenv-shims --short
 fi
 
 if [ "$1" = "--path" ]; then
@@ -20,7 +20,7 @@ fi
 
 whence() {
   local command="$1"
-  pyenv-versions --bare | while read version; do
+  pyenv-versions --bare | while read -r version; do
     path="$(pyenv-prefix "$version")/bin/${command}"
     if [ -x "$path" ]; then
       [ "$print_paths" ] && echo "$path" || echo "$version"

libexec/pyenv-which

@@ -2,47 +2,80 @@
 #
 # Summary: Display the full path to an executable
 #
-# Usage: pyenv which <command>
+# Usage: pyenv which <command> [--nosystem] [--skip-advice]
 #
 # Displays the full path to the executable that pyenv will invoke when
 # you run the given command.
+# Use --nosystem argument in case when you don't need to search command in the 
+# system environment.
+# Internal switch --skip-advice used to skip printing an error message on a
+# failed search.
 
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
 # Provide pyenv completions
 if [ "$1" = "--complete" ]; then
-  exec pyenv shims --short
+  exec pyenv-shims --short
 fi
 
+system="system"
+SKIP_ADVICE=""
+PYENV_COMMAND="$1"
+
+while [[ $# -gt 0 ]]
+do
+  case "$1" in
+    --skip-advice)
+      SKIP_ADVICE=1
+      shift
+      ;;
+    --nosystem)
+      system=""
+      shift
+      ;;
+    *)
+      shift
+      ;;
+  esac
+done
+
+
 remove_from_path() {
   local path_to_remove="$1"
   local path_before
-  local result=":$PATH:"
+  local result=":${PATH//\~/$HOME}:"
   while [ "$path_before" != "$result" ]; do
     path_before="$result"
     result="${result//:$path_to_remove:/:}"
   done
-  echo "${result%:}"
+  result="${result%:}"
+  echo "${result#:}"
 }
 
-PYENV_COMMAND="$1"
-
 if [ -z "$PYENV_COMMAND" ]; then
   pyenv-help --usage which >&2
   exit 1
 fi
 
 OLDIFS="$IFS"
-IFS=: versions=(${PYENV_VERSION:-$(pyenv-version-name)})
+IFS=: versions=(${PYENV_VERSION:-$(pyenv-version-name -f)})
 IFS="$OLDIFS"
 
-for version in "${versions[@]}"; do
+declare -a nonexistent_versions
+
+for version in "${versions[@]}" "$system"; do
   if [ "$version" = "system" ]; then
     PATH="$(remove_from_path "${PYENV_ROOT}/shims")"
     PYENV_COMMAND_PATH="$(command -v "$PYENV_COMMAND" || true)"
   else
-    PYENV_COMMAND_PATH="${PYENV_ROOT}/versions/${version}/bin/${PYENV_COMMAND}"
+    # $version may be a prefix to be resolved by pyenv-latest
+    version_path="$(pyenv-prefix "${version}" 2>/dev/null)" || \
+        { nonexistent_versions+=("$version"); continue; }
+    # resolve $version for hooks
+    version="$(basename "$version_path")"
+    PYENV_COMMAND_PATH="$version_path/bin/${PYENV_COMMAND}"
+    unset version_path
   fi
   if [ -x "$PYENV_COMMAND_PATH" ]; then
     break
@@ -59,29 +92,24 @@ done
 if [ -x "$PYENV_COMMAND_PATH" ]; then
   echo "$PYENV_COMMAND_PATH"
 else
-  any_not_installed=0
+  if (( ${#nonexistent_versions[@]} )); then
-  for version in "${versions[@]}"; do
+    for version in "${nonexistent_versions[@]}"; do
-    if [ "$version" = "system" ]; then
+      echo "pyenv: version \`$version' is not installed (set by $(pyenv-version-origin))" >&2
-      continue
+    done
-    fi
-    if ! [ -d "${PYENV_ROOT}/versions/${version}" ]; then
-      echo "pyenv: version \`$version' is not installed" >&2
-      any_not_installed=1
-    fi
-  done
-  if [ "$any_not_installed" = 1 ]; then
-    exit 1
   fi
 
   echo "pyenv: $PYENV_COMMAND: command not found" >&2
-
+  if [ -z "$SKIP_ADVICE" ]; then
-  versions="$(pyenv-whence "$PYENV_COMMAND" || true)"
+    versions="$(pyenv-whence "$PYENV_COMMAND" || true)"
-  if [ -n "$versions" ]; then
+    if [ -n "$versions" ]; then
-    { echo
+      { echo
-      echo "The \`$1' command exists in these Python versions:"
+        echo "The \`$PYENV_COMMAND' command exists in these Python versions:"
-      echo "$versions" | sed 's/^/  /g'
+        echo "$versions" | sed 's/^/  /g'
-      echo
+        echo
-    } >&2
+        echo "Note: See 'pyenv help global' for tips on allowing both"
+        echo "      python2 and python3 to be found."
+      } >&2
+    fi
   fi
 
   exit 127

man/man1/pyenv.1

@@ -0,0 +1,550 @@
+.TH PYENV 1 "24 Apr 2023" "PYENV"
+.SH NAME
+pyenv \- Simple Python version management
+.SH SYNOPSIS
+.B pyenv
+\fI\,<command> \/\fR[\fI\,<args>\/\fR]
+.SH DESCRIPTION
+pyenv lets you easily switch between multiple versions of Python\. It's simple, unobtrusive, and follows the UNIX tradition of single\-purpose tools that do one thing well\.
+.P
+ To start using pyenv
+.IP "1." 3
+\fBAppend\fR the following to \fB$HOME/.bashrc\fR
+.P
+.RS 15
+.nf
+if command -v pyenv 1>/dev/null 2>&1; then\n
+   eval "$(pyenv init - bash)" \n
+fi
+.fi
+.RE
+.RS 3
+.P
+.nh
+Appending this line enables shims. Please make sure this line is placed toward the end of the shell configuration file since it manipulates \fBPATH\fR during the initialization\. 
+.hy
+.TP 13
+.B Debian note:
+Modify only your \fB~/\.bashrc\fR file instead of creating 
+.br
+\fB~/\.bash_profile\fR
+.P
+.RS 0
+\fBZsh note\fR: Modify your \fB~/\.zshrc\fR file instead of  \fB~/\.bashrc\fR
+.P
+\fBWarning\fR: If you configured your system so  that \fBBASH_ENV\fR variable  points to \fB\.bashrc\fR\. You should almost certainly put the above mentioned line  into \fB\.bash_profile\fR, and \fBnot\fR into \fB\.bashrc\fR. Otherwise you may observe strange behaviour, such as \fBpyenv\fR getting into an infinite loop. See #264 
+.UR https://github\.com/pyenv/pyenv/issues/264
+.UE
+for details.
+.RE
+.RE
+.IP "2." 3
+\fBRestart your shell so the path changes take effect\.\fR You can now begin using pyenv\. 
+.P
+.RS 15
+exec "$SHELL"\fR
+.RE
+.IP "3." 3
+\fBInstall Python versions into \fB$(pyenv root)/versions\fR\.\fR For example, to download and install Python 3\.6\.12, run:
+.P
+.RS 15
+.B pyenv install 3.6.12\fR 
+.RE
+.P
+\fBNOTE:\fR If you need to pass configure option to build, please use \fBCONFIGURE_OPTS\fR environment variable. If you are having trouble installing a python version, please visit the wiki page about Common Build Problems
+.UR https://github\.com/pyenv/pyenv/wiki/Common\-build\-problems
+.UE
+.P
+\fBProxy note\fR: If you use a proxy, export \fBHTTP_PROXY\fR and \fBHTTPS_PROXY\fR environment variables.
+.P
+.SS "Stop using pyenv"
+The simplicity of pyenv makes it easy to temporarily disable it, or uninstall from the system\.
+To \fBdisable\fR pyenv managing your Python versions, simply remove the \fBpyenv init\fR line from your shell startup configuration\. This will remove pyenv shims directory from PATH, and future invocations like \fBpython\fR will execute the system Python version, as before pyenv\.
+.IP "" 0
+.P
+\fBpyenv\fR will still be accessible on the command line, but your Python apps won't be affected by version switching\.
+.IP "" 0
+.SH COMMAND LINE OPTIONS
+Like \fBgit\fR, the \fBpyenv\fR command delegates to subcommands based on its first argument\.
+.SS "Some useful pyenv commands are:"
+.TP 5
+.B commands
+List all available pyenv commands
+.TP
+.B exec
+Run an executable with the selected Python version
+.TP
+.B global
+Set or show the global Python version(s)
+.TP
+.B help
+Display help for a command
+.TP
+.B hooks
+List hook scripts for a given pyenv command
+.TP
+.B init
+Configure the shell environment for pyenv
+.TP
+.B install
+Install a Python version using python\-build
+.TP
+.B local
+Set or show the local application\-specific Python version(s)
+.TP
+.B prefix
+Display prefix for a Python version
+.TP
+.B rehash
+Rehash pyenv shims (run this after installing executables)
+.TP
+.B root
+Display the root directory where versions and shims are kept
+.TP
+.B shell
+Set or show the shell\-specific Python version
+.TP
+.B shims
+List existing pyenv shims
+.TP
+.B uninstall
+Uninstall Python versions
+.TP
+.B version
+Show the current Python version(s) and its origin
+.TP
+.B version\-file
+Detect the file that sets the current pyenv version
+.TP
+.B version\-name
+Show the current Python version
+.TP
+.B version\-origin
+Explain how the current Python version is set
+.TP
+.B versions
+List all Python versions available to pyenv
+.TP
+.B whence
+List all Python versions that contain the given executable
+.TP
+.B which
+Display the full path to an executable
+.PP
+See `pyenv help <command>' for information on a specific command.
+For full documentation, see \fBCOMMAND REFERENCE\fR section 
+.SH OPTIONS
+.TP
+.B \-h, \-\-help
+Show summary of options.
+.TP
+.B \-v, \-\-version
+Show version of program.
+.SH COMPARISON
+.P
+.B "pyenv does\|\.\|\.\|\.
+.P
+.IP \(bu 4
+Let you \fBchange the global Python version\fR on a per\-user basis\.
+.IP \(bu 4
+Provide support for \fBper\-project Python versions\fR\.
+.IP \(bu 4
+Allow you to \fBoverride the Python version\fR with an environment variable\.
+.IP \(bu 4
+Search commands from \fBmultiple versions of Python at a time\fR\. This may be helpful to test across Python versions with tox
+.IP "" 0
+.P
+.B "In contrast with pythonbrew and pythonz, pyenv does not\|\.\|\.\|\."
+.IP \(bu 4
+\fBDepend on Python itself\.\fR pyenv was made from pure shell scripts\. There is no bootstrap problem of Python\.
+.IP \(bu 4
+\fBNeed to be loaded into your shell\.\fR Instead, pyenv's shim approach works by adding a directory to your \fB$PATH\fR\.
+.IP \(bu 4
+\fBManage virtualenv\.\fR Of course, you can create virtualenv  yourself, or pyenv\-virtualenv  to automate the process\.
+.SH "How It Works"
+At a high level, pyenv intercepts Python commands using shim executables injected into your \fBPATH\fR, determines which Python version has been specified by your application, and passes your commands along to the correct Python installation\.
+.SS "Understanding PATH"
+When you run a command like \fBpython\fR or \fBpip\fR, your operating system searches through a list of directories to find an executable file with that name\. This list of directories lives in an environment variable called \fBPATH\fR, with each directory in the list separated by a colon:
+.IP "" 4
+.nf
+/usr/local/bin:/usr/bin:/bin
+.fi
+.IP "" 0
+.P
+Directories in \fBPATH\fR are searched from left to right, so a matching executable in a directory at the beginning of the list takes precedence over another one at the end\. In this example, the \fB/usr/local/bin\fR directory will be searched first, then \fB/usr/bin\fR, then \fB/bin\fR\.
+.SS "Understanding Shims"
+pyenv works by inserting a directory of \fIshims\fR at the front of your \fBPATH\fR:
+.IP "" 4
+.nf
+$(pyenv root)/shims:/usr/local/bin:/usr/bin:/bin
+.fi
+.IP "" 0
+.P
+Through a process called \fIrehashing\fR, pyenv maintains shims in that directory to match every Python command (\fBpython\fR,\fBpip\fR,etc...) across every installed version of Python 
+.P
+Shims are lightweight executables that simply pass your command along to pyenv\. So with pyenv installed, when you run, say, \fBpip\fR, your operating system will do the following:
+.IP \(bu 4
+Search your \fBPATH\fR for an executable file named \fBpip\fR
+.IP \(bu 4
+Find the pyenv shim named \fBpip\fR at the beginning of your \fBPATH\fR
+.IP \(bu 4
+Run the shim named \fBpip\fR, which in turn passes the command along to pyenv
+.IP "" 0
+.SS "Choosing the Python Version"
+When you execute a shim, pyenv determines which Python version to use by reading it from the following sources, in this order:
+.IP "1." 4
+The \fBPYENV_VERSION\fR environment variable (if specified)\. You can use the \fBpyenv shell\fR command to set this environment variable in your current shell session\.
+.IP "2." 4
+The application\-specific \fB\.python\-version\fR file in the current directory (if present)\. You can modify the current directory's \fB\.python\-version\fR file with the \fBpyenv local\fR command\.
+.IP "3." 4
+The first \fB\.python\-version\fR file found (if any) by searching each parent directory, until reaching the root of your filesystem\.
+.IP "4." 4
+The global \fB$(pyenv root)/version\fR file\. You can modify this file using the \fBpyenv global\fR  command\. If the global version file is not present, pyenv assumes you want to use the "system" Python\. (In other words, whatever version would run if pyenv weren't in your \fBPATH\fR\.)
+.IP "" 0
+.P
+.nh
+\fBNOTE:\fR You can activate multiple versions at the same time, including multiple versions of Python2 or Python3 simultaneously\. This allows for parallel usage of Python2 and Python3, and is required with tools like \fBtox\fR\. For example, to set your path to first use your \fBsystem\fR Python and Python3 (set to 2\.7\.9 and 3\.4\.2 in this example), but also have Python 3\.3\.6, 3\.2, and 2\.5 available on your \fBPATH\fR, one would first \fBpyenv install\fR the missing versions, then set \fBpyenv global system 3\.3\.6 3\.2 2\.5\fR\. At this point, one should be able to find the full executable path to each of these using \fBpyenv which\fR, e\.g\. \fBpyenv which python2\.5\fR (should display \fB$(pyenv root)/versions/2\.5/bin/python2\.5\fR), or \fBpyenv which python3\.4\fR (should display path to system Python3)\. You can also specify multiple versions in a \fB\.python\-version\fR file, separated by newlines or any whitespace\.
+hy
+.SS "Locating the Python Installation"
+Once pyenv has determined which version of Python your application has specified, it passes the command along to the corresponding Python installation\.
+.P
+Each Python version is installed into its own directory under 
+.nf
+\fB$(pyenv root)/versions\fR\.
+.fi
+.P
+For example, you might have these versions installed:
+.IP \(bu 4
+\fB$(pyenv root)/versions/2\.7\.8/\fR
+.IP \(bu 4
+\fB$(pyenv root)/versions/3\.4\.2/\fR
+.IP \(bu 4
+\fB$(pyenv root)/versions/pypy\-2\.4\.0/\fR
+.IP "" 0
+.P
+As far as pyenv is concerned, version names are simply the directories in \fB$(pyenv root)/versions\fR\.
+.SS "Managing Virtual Environments"
+There is a pyenv plugin named pyenv\-virtualenv which comes with various features to help pyenv users to manage virtual environments created by virtualenv or Anaconda\. Because the \fBactivate\fR script of those virtual environments are relying on mutating \fB$PATH\fR variable of user's interactive shell, it will intercept pyenv's shim style command execution hooks\. We'd recommend to install pyenv\-virtualenv as well if you have some plan to play with those virtual environments\.
+
+.SH "Advanced Configuration"
+Skip this section unless you must know what every line in your shell profile is doing\.
+.P
+\fBpyenv init\fR is the only command that crosses the line of loading extra commands into your shell\. Coming from rvm, some of you might be opposed to this idea\. Here's what \fBpyenv init\fR actually does:
+.IP "1." 4
+\fBSets up your shims path\.\fR This is the only requirement for pyenv to function properly\. You can do this by hand by prepending \fB$(pyenv root)/shims\fR to your \fB$PATH\fR\.
+.IP "2." 4
+\fBRehashes shims\.\fR From time to time you'll need to rebuild your shim files\. Doing this on init makes sure everything is up to date\. You can always run \fBpyenv rehash\fR manually\.
+You can disable this functionality by adding \fB--no-rehash\fR to the end of your \fBpyenv init\fR command line.
+.IP "3." 4
+\fBInstalls the sh dispatcher\.\fR This bit is also optional, but allows pyenv and plugins to change variables in your current shell, making commands like \fBpyenv shell\fR possible\. The sh dispatcher doesn't do anything crazy like override \fBcd\fR or hack your shell prompt, but if for some reason you need \fBpyenv\fR to be a real script rather than a shell function, you can safely skip it\.
+.IP "" 0
+.P
+To see exactly what happens under the hood for yourself, run \fB"pyenv init \-"\fR\.
+.SH "Uninstalling Python Versions"
+As time goes on, you will accumulate Python versions in your \fB$(pyenv root)/versions\fR directory\.
+.P
+To remove old Python versions, \fBpyenv uninstall\fR command to automate the removal process\.
+.P
+Alternatively, simply \fBrm \-rf\fR the directory of the version you want to remove\. You can find the directory of a particular Python version with the \fBpyenv prefix\fR command, 
+.P
+e\.g\. \fBpyenv prefix 2\.6\.8\fR\.
+.SH "Command Reference"
+.P
+The most common subcommands are:
+.SS "pyenv commands"
+Lists all available pyenv commands\.
+.SS "pyenv local"
+Sets a local application\-specific Python version by writing the version name to a \fB\.python\-version\fR file in the current directory\. This version overrides the global version, and can be overridden itself by setting the \fBPYENV_VERSION\fR environment variable or with the \fBpyenv shell\fR command\.
+.IP "" 4
+.nf
+$ pyenv local 2\.7\.6
+.fi
+.IP "" 0
+.P
+When run without a version number, \fBpyenv local\fR reports the currently configured local version\. You can also unset the local version:
+.IP "" 4
+.nf
+$ pyenv local \-\-unset
+.fi
+.IP "" 0
+.P
+Previous versions of pyenv stored local version specifications in a file named \fB\.pyenv\-version\fR\. For backwards compatibility, pyenv will read a local version specified in an \fB\.pyenv\-version\fR file, but a \fB\.python\-version\fR file in the same directory will take precedence\.
+.P
+You can specify multiple versions as local Python at once\.
+.P
+Let's say if you have two versions of 2\.7\.6 and 3\.3\.3\. If you prefer 2\.7\.6 over 3\.3\.3,
+.IP "" 4
+.nf
+$ pyenv local 2\.7\.6 3\.3\.3
+$ pyenv versions
+  system
+* 2\.7\.6 (set by /Users/yyuu/path/to/project/\.python\-version)
+* 3\.3\.3 (set by /Users/yyuu/path/to/project/\.python\-version)
+$ python \-\-version
+Python 2\.7\.6
+$ python2\.7 \-\-version
+Python 2\.7\.6
+$ python3\.3 \-\-version
+Python 3\.3\.3
+.fi
+.IP "" 0
+.P
+or, if you prefer 3\.3\.3 over 2\.7\.6,
+.IP "" 4
+.nf
+$ pyenv local 3\.3\.3 2\.7\.6
+$ pyenv versions
+  system
+* 2\.7\.6 (set by /Users/yyuu/path/to/project/\.python\-version)
+* 3\.3\.3 (set by /Users/yyuu/path/to/project/\.python\-version)
+  venv27
+$ python \-\-version
+Python 3\.3\.3
+$ python2\.7 \-\-version
+Python 2\.7\.6
+$ python3\.3 \-\-version
+Python 3\.3\.3
+.fi
+.IP "" 0
+.SS "pyenv global"
+Sets the global version of Python to be used in all shells by writing the version name to the \fB~/\.pyenv/version\fR file\. This version can be overridden by an application\-specific \fB\.python\-version\fR file, or by setting the \fBPYENV_VERSION\fR environment variable\.
+.IP "" 4
+.nf
+$ pyenv global 2\.7\.6
+.fi
+.IP "" 0
+.P
+The special version name \fBsystem\fR tells pyenv to use the system Python (detected by searching your \fB$PATH\fR)\.
+.P
+When run without a version number, \fBpyenv global\fR reports the currently configured global version\.
+.P
+You can specify multiple versions as global Python at once\.
+.P
+Let's say if you have two versions of 2\.7\.6 and 3\.3\.3\. If you prefer 2\.7\.6 over 3\.3\.3,
+.IP "" 4
+.nf
+$ pyenv global 2\.7\.6 3\.3\.3
+$ pyenv versions
+  system
+* 2\.7\.6 (set by /Users/yyuu/\.pyenv/version)
+* 3\.3\.3 (set by /Users/yyuu/\.pyenv/version)
+$ python \-\-version
+Python 2\.7\.6
+$ python2\.7 \-\-version
+Python 2\.7\.6
+$ python3\.3 \-\-version
+Python 3\.3\.3
+.fi
+.IP "" 0
+.P
+or, if you prefer 3\.3\.3 over 2\.7\.6,
+.IP "" 4
+.nf
+$ pyenv global 3\.3\.3 2\.7\.6
+$ pyenv versions
+  system
+* 2\.7\.6 (set by /Users/yyuu/\.pyenv/version)
+* 3\.3\.3 (set by /Users/yyuu/\.pyenv/version)
+  venv27
+$ python \-\-version
+Python 3\.3\.3
+$ python2\.7 \-\-version
+Python 2\.7\.6
+$ python3\.3 \-\-version
+Python 3\.3\.3
+.fi
+.IP "" 0
+.SS "pyenv shell"
+Sets a shell\-specific Python version by setting the \fBPYENV_VERSION\fR environment variable in your shell\. This version overrides application\-specific versions and the global version\.
+.IP "" 4
+.nf
+$ pyenv shell pypy\-2\.2\.1
+.fi
+.IP "" 0
+.P
+When run without a version number, \fBpyenv shell\fR reports the current value of \fBPYENV_VERSION\fR\. You can also unset the shell version:
+.IP "" 4
+.nf
+$ pyenv shell \-\-unset
+.fi
+.IP "" 0
+.P
+Note that you'll need pyenv's shell integration enabled (step 3 of the installation instructions) in order to use this command\. If you prefer not to use shell integration, you may simply set the \fBPYENV_VERSION\fR variable yourself:
+.IP "" 4
+.nf
+$ export PYENV_VERSION=pypy\-2\.2\.1
+.fi
+.IP "" 0
+.P
+You can specify multiple versions via \fBPYENV_VERSION\fR at once\.
+.P
+Let's say if you have two versions of 2\.7\.6 and 3\.3\.3\. If you prefer 2\.7\.6 over 3\.3\.3,
+.IP "" 4
+.nf
+$ pyenv shell 2\.7\.6 3\.3\.3
+$ pyenv versions
+  system
+* 2\.7\.6 (set by PYENV_VERSION environment variable)
+* 3\.3\.3 (set by PYENV_VERSION environment variable)
+$ python \-\-version
+Python 2\.7\.6
+$ python2\.7 \-\-version
+Python 2\.7\.6
+$ python3\.3 \-\-version
+Python 3\.3\.3
+.fi
+.IP "" 0
+.P
+or, if you prefer 3\.3\.3 over 2\.7\.6,
+.IP "" 4
+.nf
+$ pyenv shell 3\.3\.3 2\.7\.6
+$ pyenv versions
+  system
+* 2\.7\.6 (set by PYENV_VERSION environment variable)
+* 3\.3\.3 (set by PYENV_VERSION environment variable)
+  venv27
+$ python \-\-version
+Python 3\.3\.3
+$ python2\.7 \-\-version
+Python 2\.7\.6
+$ python3\.3 \-\-version
+Python 3\.3\.3
+.fi
+.IP "" 0
+.SS "pyenv install"
+Install a Python version 
+.IP "" 4
+.nf
+Usage: pyenv install [\-f] [\-kvp] <version>
+       pyenv install [\-f] [\-kvp] <definition\-file>
+       pyenv install \-l|\-\-list
+
+  \-l, \-\-list             List all available versions
+  \-f, \-\-force            Install even if the version appears to be installed 
+  					already
+  \-s, \-\-skip\-existing    Skip the installation if the version appears to be
+  					installed already
+
+  python\-build options:
+
+  \-k, \-\-keep        Keep source tree in $PYENV_BUILD_ROOT after installation
+                    (defaults to $PYENV_ROOT/sources)
+  \-v, \-\-verbose     Verbose mode: print compilation status to stdout
+  \-p, \-\-patch       Apply a patch from stdin before building
+  \-g, \-\-debug       Build a debug version
+.fi
+.IP "" 0
+.P
+To list the all available versions of Python, including Anaconda, Jython, pypy, and stackless, use:
+.IP "" 4
+.nf
+$ pyenv install \-\-list
+.fi
+.IP "" 0
+.P
+Then install the desired versions:
+.IP "" 4
+.nf
+$ pyenv install 2\.7\.6
+$ pyenv install 2\.6\.8
+$ pyenv versions
+  system
+  2\.6\.8
+* 2\.7\.6 (set by /home/yyuu/\.pyenv/version)
+.fi
+.IP "" 0
+.SS "pyenv uninstall"
+Uninstall Python versions\.
+.IP "" 4
+.nf
+Usage: pyenv uninstall [\-f|\-\-force] <version> ...
+
+   \-f  Attempt to remove the specified version without prompting
+       for confirmation\. If the version does not exist, do not
+       display an error message\.
+.fi
+.IP "" 0
+.SS "pyenv rehash"
+Installs shims for all Python binaries known to pyenv (i\.e\., \fB~/\.pyenv/versions/*/bin/*\fR)\. Run this command after you install a new version of Python, or install a package that provides binaries\.
+.IP "" 4
+.nf
+$ pyenv rehash
+.fi
+.IP "" 0
+.SS "pyenv version"
+Displays the currently active Python version, along with information on how it was set\.
+.IP "" 4
+.nf
+$ pyenv version
+2\.7\.6 (set by /home/yyuu/\.pyenv/version)
+.fi
+.IP "" 0
+.SS "pyenv versions"
+Lists all Python versions known to pyenv, and shows an asterisk next to the currently active version\.
+.IP "" 4
+.nf
+$ pyenv versions
+  2\.5\.6
+  2\.6\.8
+* 2\.7\.6 (set by /home/yyuu/\.pyenv/version)
+  3\.3\.3
+  jython\-2\.5\.3
+  pypy\-2\.2\.1
+.fi
+.IP "" 0
+.SS "pyenv which"
+Displays the full path to the executable that pyenv will invoke when you run the given command\.
+.IP "" 4
+.nf
+$ pyenv which python3\.3
+/home/yyuu/\.pyenv/versions/3\.3\.3/bin/python3\.3
+.fi
+.IP "" 0
+.SS "pyenv whence"
+Lists all Python versions with the given command installed\.
+.IP "" 4
+.nf
+$ pyenv whence 2to3
+2\.6\.8
+2\.7\.6
+3\.3\.3
+.fi
+.IP "" 0
+.SH "Environment variables"
+You can affect how pyenv operates with the following settings:
+.TP 28
+.B name (default)
+.B description
+.TP 28
+.B PYENV_VERSION
+Specifies the Python version to be used. Also see \fBpyenv shell\fR
+.TP
+.B PYENV_ROOT (\fB~/.pyenv\fR)
+Defines the directory under which Python versions and shims reside. Also see \fBpyenv root\fR
+.TP
+.B PYENV_DEBUG
+Outputs debug information. 
+.br
+Also as: \fBpyenv --debug <subcommand>\fR
+.TP
+.B PYENV_HOOK_PATH
+Colon\-separated list of paths searched for pyenv hooks\.
+.TP
+.B PYENV_DIR (\fB$PWD\fR)
+Directory to start searching for \fB\.python\-version\fR files\.
+.TP
+.B HTTP_PROXY,HTTPS_PROXY
+Proxy Variables
+.TP
+.B CONFIGURE_OPTS
+Pass configure options to build.
+.TP
+.B PYTHON_BUILD_ARIA2_OPTS
+Used to pass additional parameters to \fBaria2\fR 
+.UR https://aria2\.github\.io/
+.UE
+If the \fBaria2c\fR binary is available on PATH, pyenv uses \fBaria2c\fR instead of \fBcurl\fR or \fBwget\fR to download the Python Source code\. If you have an unstable internet connection, you can use this variable to instruct \fBaria2\fR to accelerate the download\.
+In most cases, you will only need to use \fB\-x 10 \-k 1M\fR as value to \fBPYTHON_BUILD_ARIA2_OPTS\fR environment variable
+.SH "License"
+The \fBMIT\fR License

plugins/.gitignore

@@ -2,3 +2,4 @@
 !/.gitignore
 !/version-ext-compat
 !/python-build
+/python-build/test/build

plugins/python-build/LICENSE

@@ -0,0 +1,20 @@
+Copyright (c) 2013 Yamashita, Yuu
+Copyright (c) 2012-2013 Sam Stephenson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

plugins/python-build/README.md

@@ -1,199 +1,342 @@
 # python-build
 
-python-build is a [pyenv](https://github.com/yyuu/pyenv) plugin
+python-build is a [pyenv](https://github.com/pyenv/pyenv) plugin that
-that provides a `pyenv install` command to compile and install
+provides a `pyenv install` command to compile and install different versions
-different versions of Python on UNIX-like systems.
+of Python on UNIX-like systems.
 
-You can also use python-build without pyenv in environments where you
+You can also use python-build without pyenv in environments where you need
-need precise control over Python version installation.
+precise control over Python version installation.
+
+See the [list of releases](https://github.com/pyenv/pyenv/releases)
+for changes in each version.
 
 
 ## Installation
 
-### Installing as an pyenv plugin (recommended)
+### Installing as a pyenv plugin (recommended)
 
-You need nothing to do since python-build is bundled with pyenv by
+Since python-build is bundled with pyenv by
-default.
+default, you do not need to do anything.
 
 ### Installing as a standalone program (advanced)
 
-Installing python-build as a standalone program will give you access to
+Installing python-build as a standalone program will give you access to the
-the `python-build` command for precise control over Python version
+`python-build` command for precise control over Python version installation. If you
-installation. If you have pyenv installed, you will also be able to
+have pyenv installed, you will also be able to use the `pyenv install` command.
-use the `pyenv install` command.
 
-    git clone git://github.com/yyuu/pyenv.git
+    git clone https://github.com/pyenv/pyenv.git
     cd pyenv/plugins/python-build
     ./install.sh
 
-This will install python-build into `/usr/local`. If you do not have
+This will install python-build into `/usr/local`. If you do not have write
-write permission to `/usr/local`, you will need to run `sudo
+permission to `/usr/local`, you will need to run `sudo ./install.sh` instead.
-./install.sh` instead. You can install to a different prefix by
+You can install to a different prefix by setting the `PREFIX` environment
-setting the `PREFIX` environment variable.
+variable.
 
-To update python-build after it has been installed, run `git pull` in
+To update python-build after it has been installed, run `git pull` in your cloned
-your cloned copy of the repository, then re-run the install script.
+copy of the repository, then re-run the install script.
+
+### Installing with Homebrew (for OS X users)
+
+Mac OS X users can install python-build with the [Homebrew](http://brew.sh)
+package manager. This will give you access to the `python-build` command. If you
+have pyenv installed, you will also be able to use the `pyenv install` command.
+
+*This is the recommended method of installation if you installed pyenv with
+Homebrew.*
+
+    brew install pyenv
+
+Or, if you would like to install the latest development release:
+
+    brew install --HEAD pyenv
 
 
 ## Usage
 
+Before you begin, you should ensure that your build environment has the proper
+system dependencies for compiling the wanted Python Version (see our [recommendations](https://github.com/pyenv/pyenv/wiki#suggested-build-environment)).
+
 ### Using `pyenv install` with pyenv
 
 To install a Python version for use with pyenv, run `pyenv install` with
-the exact name of the version you want to install. For example,
+exact name of the version you want to install. For example,
 
     pyenv install 2.7.4
 
-Python versions will be installed into a directory of the same name
+Python versions will be installed into a directory of the same name under
-under `~/.pyenv/versions`.
+`~/.pyenv/versions`.
 
-To see a list of all available Python versions, run `pyenv install --list`.
+To see a list of all available Python versions, run `pyenv install --list`. You
-You may also tab-complete available Python
+may also tab-complete available Python versions if your pyenv installation is
-versions if your pyenv installation is properly configured.
+properly configured.
 
 ### Using `python-build` standalone
 
-If you have installed python-build as a standalone program, you can use
+If you have installed python-build as a standalone program, you can use the
-the `python-build` command to compile and install Python versions into
+`python-build` command to compile and install Python versions into specific
-specific locations.
+locations.
 
-Run the `python-build` command with the exact name of the version you
+Run the `python-build` command with the exact name of the version you want to
-want to install and the full path where you want to install it. For
+install and the full path where you want to install it. For example,
-example,
 
     python-build 2.7.4 ~/local/python-2.7.4
 
-To see a list of all available Python versions, run `python-build
+To see a list of all available Python versions, run `python-build --definitions`.
---definitions`.
 
-Pass the `-v` or `--verbose` flag to `python-build` as the first
+Pass the `-v` or `--verbose` flag to `python-build` as the first argument to see
-argument to see what's happening under the hood.
+what's happening under the hood.
 
 ### Custom definitions
 
-Both `pyenv install` and `python-build` accept a path to a custom
+Both `pyenv install` and `python-build` accept a path to a custom definition file
-definition file in place of a version name. Custom definitions let you
+in place of a version name. Custom definitions let you develop and install
-develop and install versions of Python that are not yet supported by
+versions of Python that are not yet supported by python-build.
-python-build.
+
+See the [python-build built-in definitions](https://github.com/pyenv/pyenv/tree/master/plugins/python-build/share/python-build) as a starting point for
+custom definition files.
+
+#### Adding definitions with a Pyenv plugin
+
+You can add your own definitions with a [Pyenv plugin](https://github.com/pyenv/pyenv?tab=readme-ov-file#pyenv-plugins) by placing them under
+`$PYENV_ROOT/plugins/your_plugin_name/share/python-build`.
+
+### Default build configuration
+
+Without the user customizing the build with environment variables (see below),
+`python-build` builds Python with mostly default Configure options
+to maintain the principle of the least surprise.
+
+The exceptions -- non-default options that are set by default -- are listed below:
+
+| Option/Behavior | Rationale |
+|-----------------|-----------|
+| `--enable-shared` is on by default. Pass `--disable-shared` to Configure options to override | The official CPython Docker image uses it. It's required to embed CPython. |
+| argument to `--enable-universalsdk` is ignored and set to `/` | 
+| `--with-universal-archs` defaults to `universal2` on ARM64 architecture | the only dual-architecture Macs in use today are Apple Silicon which can only build that one |
+| argument to `--enable-framework` is ignored and set to a specific value | CPython's build logic requires a very specific argument to avoid installing the `Applications` part globally |
+| argument to `--enable-unicode` in non-MacOS is overridden to `ucs4` for 2.x-3.3 |
+| `MACOSX_DEPLOYMENT_TARGET` defaults to the running MacOS version |
+
+
+#### Integration with 3rd-party package ecosystems
+
+##### Homebrew
+
+Homebrew is used to find dependency packages if `brew` is found on `PATH`:
+* In MacOS, or
+* If the running Pyenv itself is installed with Homebrew
+
+Set `PYTHON_BUILD_USE_HOMEBREW` or `PYTHON_BUILD_SKIP_HOMEBREW` to override this default.
+
+When Homebrew is used, its `include` and `lib` paths are added to compiler search path (the latter is also set as `rpath`),
+and also Python dependencies that are typically keg-only are searched for in the Homebrew installation and added individually.
+
+**NOTE:** Homebrew is not used in Linux by default because it's rolling-release which causes a problem.
+Upgrading a Python dependency in Homebrew to a new major version (that `brew` does without warning)
+would break all Pyenv-managed installations that depend on it.
+You can use a [community plugin `fix-version`](https://github.com/pyenv/pyenv/wiki/Plugins#community-plugins)
+to fix installations in such a case.
+
+##### Portage
+
+In FreeBSD, if `pkg` is on PATH, Ports are searched for some dependencies that Configure is known to not search for via `pkg-config`.
+(Later versions of CPython search for more packages via `pkg-config` so this may eventually become redundant.)
 
-See the [python-build built-in
-definitions](https://github.com/yyuu/pyenv/tree/master/plugins/python-build/share/python-build)
-as a starting point for custom definition files.
 
 ### Special environment variables
 
-You can set certain environment variables to control the build
+You can set certain environment variables to control the build process.
-process.
 
 * `TMPDIR` sets the location where python-build stores temporary files.
-* `PYTHON_BUILD_BUILD_PATH` sets the location in which sources are
+* `PYTHON_BUILD_BUILD_PATH` sets the location in which sources are downloaded and
-  downloaded and built. By default, this is a subdirectory of
+  built. By default, this is a subdirectory of `TMPDIR`.
-  `TMPDIR`.
+* `PYTHON_BUILD_CACHE_PATH`, if set, specifies a directory to use for caching
-* `PYTHON_BUILD_CACHE_PATH`, if set, specifies a directory to use for
+  downloaded package files.
-  caching downloaded package files.
+* `PYTHON_BUILD_MIRROR_URL` overrides the default mirror URL root to one of your
-* `PYTHON_BUILD_MIRROR_URL` overrides the default mirror URL root to one
+  choosing.
-  of your choosing.
+* `PYTHON_BUILD_MIRROR_URL_SKIP_CHECKSUM`, if set, does not append the SHA2
-* `PYTHON_BUILD_SKIP_MIRROR`, if set, forces python-build to download
+  checksum of the file to the mirror URL.
-  packages from their original source URLs instead of using a mirror.
+* `PYTHON_BUILD_SKIP_MIRROR`, if set, forces python-build to download packages from
+  their original source URLs instead of using a mirror.
+* `PYTHON_BUILD_HTTP_CLIENT`, explicitly specify the HTTP client type to use. `aria2`, `curl` and `wget` are the supported values and by default, are searched in that order.
+* `PYTHON_BUILD_CURL_OPTS`, `PYTHON_BUILD_WGET_OPTS`, `PYTHON_BUILD_ARIA2_OPTS` pass additional parameters to the corresponding HTTP client.
+* `PYTHON_BUILD_SKIP_HOMEBREW`, if set, will not search for libraries installed by Homebrew when it would normally will.
+* `PYTHON_BUILD_USE_HOMEBREW`, if set, will search for libraries installed by Homebrew when it would normally not.
+* `PYTHON_BUILD_HOMEBREW_OPENSSL_FORMULA`, override the Homebrew OpenSSL formula to use.
+* `PYTHON_BUILD_ROOT` overrides the default location from where build definitions
+  in `share/python-build/` are looked up.
+* `PYTHON_BUILD_DEFINITIONS` can be a list of colon-separated paths that get
+  additionally searched when looking up build definitions.
 * `CC` sets the path to the C compiler.
 * `CONFIGURE_OPTS` lets you pass additional options to `./configure`.
-* `MAKE` lets you override the command to use for `make`. Useful for
+* `MAKE` lets you override the command to use for `make`. Useful for specifying
-  specifying GNU make (`gmake`) on some systems.
+  GNU make (`gmake`) on some systems.
-* `MAKE_OPTS` (or `MAKEOPTS`) lets you pass additional options to
+* `MAKE_OPTS` (or `MAKEOPTS`) lets you pass additional options to `make`.
-  `make`.
+* `MAKE_INSTALL_OPTS` lets you pass additional options to `make install`.
-* `PYTHON_CONFIGURE_OPTS` and `PYTHON_MAKE_OPTS` allow you to specify
+* `<PACKAGE>_CFLAGS`, `<PACKAGE>_CPPFLAGS`, `<PACKAGE>_LDFLAGS` let you pass additional options to `CFLAGS`/`CPPFLAGS`/`LDFLAGS` specifically for building `<package>` (Python itself or a dependency library) from source as part of the build script. `<PACKAGE>` should be a capitalized name of the package without version (technically, capitalized first argument to `install_package` without version). E.g. for CPython, it's "`PYTHON`", for Readline, "`READLINE`", for PyPy (only applies when building it from source), "`PYPY`". Check the source of the build script you're using if unsure.
-  configure and make options for buildling CPython. These variables will
+* `<PACKAGE>_CONFIGURE_OPTS`, `<PACKAGE>_MAKE_OPTS`, `<PACKAGE>_MAKE_INSTALL_OPTS`, `<PACKAGE>_MAKE_INSTALL_TARGET` allow
-  be passed to Python only, not any dependent packages (e.g. libyaml).
+  you to specify configure and make options for building `<package>` (same as above). "Make install target" would replace "`install`" in the `make install` invocation.
+
+### Applying patches to Python before compiling
+
+Both `pyenv install` and `python-build` support the `--patch` (`-p`) flag that
+signals that a patch from stdin should be applied to Python, Jython or PyPy
+source code before the `./configure` and compilation steps.
+
+Example usage:
+
+```sh
+# applying a single patch
+$ pyenv install --patch 2.7.10 < /path/to/python.patch
+
+# applying a patch from HTTP
+$ pyenv install --patch 2.7.10 < <(curl -sSL http://git.io/python.patch)
+
+# applying multiple patches
+$ cat fix1.patch fix2.patch | pyenv install --patch 2.7.10
+```
+
+
+### Building for maximum performance
+
+Building CPython with `--enable-optimizations` will result in a faster
+interpreter at the cost of significantly longer build times. Most notably, this
+enables PGO (profile guided optimization). While your mileage may vary, it is
+common for performance improvement from this to be in the ballpark of 30%.
+
+```sh
+env PYTHON_CONFIGURE_OPTS='--enable-optimizations --with-lto' PYTHON_CFLAGS='-march=native -mtune=native' pyenv install --verbose 3.6.0
+```
+
+You can also customize the task used for profile guided optimization by setting
+the `PROFILE_TASK` environment variable, for instance, `PROFILE_TASK='-m
+test.regrtest --pgo -j0'` will run much faster than the default task.
 
 ### Checksum verification
 
-If you have the `shasum`, `openssl`, or `sha256sum` tool installed,
+If you have the `shasum`, `openssl`, or `sha256sum` tool installed, python-build will
-python-build will automatically verify the SHA2 checksum of each
+automatically verify the SHA2 checksum of each downloaded package before
-downloaded package before installing it.
+installing it.
 
-Checksums are optional and specified as anchors on the package URL in
+Checksums are optional and specified as anchors on the package URL in each
-each definition. (All bundled definitions include checksums.)
+definition. (All bundled definitions include checksums.)
 
 ### Package download mirrors
 
-python-build will first attempt to download package files from a mirror
+python-build will first attempt to download package files from a mirror hosted on
-hosted on Amazon CloudFront. If a package is not available on the
+GitHub Pages. If this fails, it will fall back to the
-mirror, if the mirror is down, or if the download is corrupt,
+official URL specified in the definition file.
-python-build will fall back to the official URL specified in the
-defintion file.
 
 You can point python-build to another mirror by specifying the
-`PYTHON_BUILD_MIRROR_URL` environment variable--useful if you'd like to
+`PYTHON_BUILD_MIRROR_URL` environment variable.
-run your own local mirror, for example. Package mirror URLs are
-constructed by joining this variable with the SHA2 checksum of the
-package file.
 
-If you don't have an SHA2 program installed, python-build will skip the
+Package mirror URLs are constructed by joining
-download mirror and use official URLs instead. You can force
+`$PYTHON_BUILD_MIRROR_URL` with the SHA2 checksum of the package file as specified in the URL
-python-build to bypass the mirror by setting the
+in the installation script (the part after the hash sign). E.g.:
-`PYTHON_BUILD_SKIP_MIRROR` environment variable.
 
-The official python-build download mirror is provided by [Git Hub Pages](http://yyuu.github.io/pythons/).
+```
+https://mycache.example.com/0419e9085bf51b7a672009b3f50dbf1859acdf18ba725d0ec19aa5c8503f0ea3
+```
 
-### Package download caching
+If you have replicated the directory structure of an official site, the easiest way to adapt
+would be to make symlinks at the mirror's root:
 
-You can instruct python-build to keep a local cache of downloaded
+```
-package files by setting the `PYTHON_BUILD_CACHE_PATH` environment
+0419e9085bf51b7a672009b3f50dbf1859acdf18ba725d0ec19aa5c8503f0ea3 -> 3.10.10/Python-3.10.10.tar.xz
-variable. When set, package files will be kept in this directory after
+```
-the first successful download and reused by subsequent invocations of
-`python-build` and `pyenv install`.
 
-The `pyenv install` command defaults this path to `~/.pyenv/cache`, so
+The rationale is to abstract away difference between directory structures of sites
-in most cases you can enable download caching simply by creating that
+of various Python flavors and their occasional changes as well as to accomodate
-directory.
+people who only wish to cache some select downloads. This also allows to mirror multiple sites at once.
+
+If the mirror being used does not have the same checksum (*e.g.* with a
+pull-through cache like Artifactory), you can set the
+`PYTHON_BUILD_MIRROR_URL_SKIP_CHECKSUM` environment variable.
+
+If you don't have an SHA2 program installed, python-build will skip the download
+mirror and use official URLs instead. You can force python-build to bypass the
+mirror by setting the `PYTHON_BUILD_SKIP_MIRROR` environment variable.
+
+The official python-build download mirror is provided by
+[GitHub Pages](http://yyuu.github.io/pythons/).
+
+### Package download cache
+
+Python-build will keep a cache of downloaded package files
+at the location specified by the `PYTHON_BUILD_CACHE_PATH` environment variable
+if it exists. The default is `~/.pyenv/cache`, so you can
+enable caching by just creating that directory.
+
+The name of the would-be cached file is reported by Pyenv in the "Downloading &lt;filename&gt;..." message.
+It's possible to warm up the cache by manually putting the file there under an appropriate name.
 
 ### Keeping the build directory after installation
 
-Both `python-build` and `pyenv install` accept the `-k` or `--keep`
+Both `python-build` and `pyenv install` accept the `-k` or `--keep` flag, which
-flag, which tells python-build to keep the downloaded source after
+tells python-build to keep the downloaded source after installation. This can be
-installation. This can be useful if you need to use `gdb` and
+useful if you need to use `gdb` and `memprof` with Python.
-`memprof` with Python.
 
-Source code will be kept in a parallel directory tree
+Source code will be kept in a parallel directory tree `~/.pyenv/sources` when
-`~/.pyenv/sources` when using `--keep` with the `pyenv install`
+using `--keep` with the `pyenv install` command. You should specify the
-command. You should specify the location of the source code with the
+location of the source code with the `PYTHON_BUILD_BUILD_PATH` environment
-`PYTHON_BUILD_BUILD_PATH` environment variable when using `--keep` with
+variable when using `--keep` with `python-build`.
-`python-build`.
 
 
 ## Getting Help
 
-Please see the [python-build
+Please see the [pyenv wiki](https://github.com/pyenv/pyenv/wiki) for solutions to common problems.
-wiki](https://github.com/yyuu/pyenv/wiki) for solutions to
+
-common problems.
+[wiki]: https://github.com/pyenv/pyenv/wiki
 
 If you can't find an answer on the wiki, open an issue on the [issue
-tracker](https://github.com/yyuu/pyenv/issues). Be sure to
+tracker](https://github.com/pyenv/pyenv/issues). Be sure to include
-include the full build log for build failures.
+the full build log for build failures.
 
+## Contributing
 
-### License
+### Testing new python versions
 
-(The MIT License)
+If you are contributing a new python version for python-build,
+you can test the build in a [docker](https://www.docker.com/) container based on Ubuntu 18.04.
 
-* Copyright (c) 2013 Yamashita, Yuu
+With docker installed:
-* Copyright (c) 2012 Sam Stephenson
 
-Permission is hereby granted, free of charge, to any person obtaining
+```sh
-a copy of this software and associated documentation files (the
+docker build -t my_container .
-"Software"), to deal in the Software without restriction, including
+docker run my_container pyenv install <my_version>
-without limitation the rights to use, copy, modify, merge, publish,
+```
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
 
-The above copyright notice and this permission notice shall be
+To enter a shell which will allow you to build and then test a python version,
-included in all copies or substantial portions of the Software.
+replace the second line with
+
+```sh
+docker run -it my_container
+```
+
+The container will need to be rebuilt whenever you change the repo,
+but after the first build, this will be very fast,
+as the layer including the build dependencies will be cached.
+
+Changes made inside the container will not be persisted.
+
+To test *all* new versions since a particular revision (e.g. `master`), `cd` to the root of your `pyenv` repo, and run this script:
+
+```sh
+set -e
+set -x
+
+docker build -t pyenv-test-container .
+
+git diff --name-only master \
+  | grep '^plugins/python-build/share/python-build/' \
+  | awk -F '/' '{print $NF}' \
+  | xargs -I _ docker run pyenv-test-container pyenv install _
+```
+
+- Build the docker image with the **t**ag pyenv-test-container
+- Look for the names files changed since revision `master`
+- Filter out any which don't live where python-build keeps its build scripts
+- Look only at the file name (i.e. the python version name)
+- Run a new docker container for each, building that version
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

plugins/python-build/bin/pyenv-install

@@ -2,9 +2,10 @@
 #
 # Summary: Install a Python version using python-build
 #
-# Usage: pyenv install [-f] [-kvp] <version>
+# Usage: pyenv install [-f] [-kvp] <version>...
 #        pyenv install [-f] [-kvp] <definition-file>
 #        pyenv install -l|--list
+#        pyenv install --version
 #
 #   -l/--list          List all available versions
 #   -f/--force         Install even if the version appears to be installed already
@@ -14,21 +15,18 @@
 #
 #   -k/--keep          Keep source tree in $PYENV_BUILD_ROOT after installation
 #                      (defaults to $PYENV_ROOT/sources)
-#   -v/--verbose       Verbose mode: print compilation status to stdout
 #   -p/--patch         Apply a patch from stdin before building
+#   -v/--verbose       Verbose mode: print compilation status to stdout
+#   --version          Show version of python-build
 #   -g/--debug         Build a debug version
 #
 # For detailed information on installing Python versions with
 # python-build, including a list of environment variables for adjusting
-# compilation, see: https://github.com/yyuu/pyenv#readme
+# compilation, see: https://github.com/pyenv/pyenv#readme
 #
 set -e
 [ -n "$PYENV_DEBUG" ] && set -x
 
-if [ -z "$PYENV_ROOT" ]; then
-  PYENV_ROOT="${HOME}/.pyenv"
-fi
-
 # Add `share/python-build/` directory from each pyenv plugin to the list of
 # paths where build definitions are looked up.
 shopt -s nullglob
@@ -40,6 +38,14 @@ shopt -u nullglob
 
 # Provide pyenv completions
 if [ "$1" = "--complete" ]; then
+  echo --list
+  echo --force
+  echo --skip-existing
+  echo --keep
+  echo --patch
+  echo --verbose
+  echo --version
+  echo --debug
   exec python-build --definitions
 fi
 
@@ -47,14 +53,13 @@ fi
 eval "$(python-build --lib)"
 
 usage() {
-  # We can remove the sed fallback once pyenv 0.4.0 is widely available.
+  pyenv-help install 2>/dev/null
-  pyenv-help install 2>/dev/null || sed -ne '/^#/!q;s/.//;s/.//;1,4d;p' < "$0"
   [ -z "$1" ] || exit "$1"
 }
 
 definitions() {
   local query="$1"
-  python-build --definitions | $(type -p ggrep grep | head -1) -F "$query" || true
+  python-build --definitions | $(type -P ggrep grep | head -n1) -F "$query" || true
 }
 
 indent() {
@@ -68,6 +73,8 @@ unset VERBOSE
 unset HAS_PATCH
 unset DEBUG
 
+[ -n "$PYENV_DEBUG" ] && VERBOSE="-v"
+
 parse_options "$@"
 for option in "${OPTIONS[@]}"; do
   case "$option" in
@@ -101,7 +108,7 @@ for option in "${OPTIONS[@]}"; do
     exec python-build --version
     ;;
   * )
-    usage 1
+    usage 1 >&2
     ;;
   esac
 done
@@ -112,10 +119,9 @@ unset VERSION_NAME
 # argument is missing, try to install whatever local app-specific
 # version is specified by pyenv. Show usage instructions if a local
 # version is not specified.
-DEFINITION="${ARGUMENTS[0]}"
+DEFINITIONS=("${ARGUMENTS[@]}")
-[ -n "$DEFINITION" ] || DEFINITION="$(pyenv-local 2>/dev/null || true)"
+[[ "${#DEFINITIONS[*]}" -eq 0 ]] && DEFINITIONS=($(pyenv-local 2>/dev/null || true))
-[ -n "$DEFINITION" ] || usage 1
+[[ "${#DEFINITIONS[*]}" -eq 0 ]] && usage 1 >&2
-
 
 # Define `before_install` and `after_install` functions that allow
 # plugin hooks to register a string of code for execution before or
@@ -132,90 +138,6 @@ after_install() {
   after_hooks["${#after_hooks[@]}"]="$hook"
 }
 
-OLDIFS="$IFS"
-IFS=$'\n' scripts=(`pyenv-hooks install`)
-IFS="$OLDIFS"
-for script in "${scripts[@]}"; do source "$script"; done
-
-
-# Set VERSION_NAME from $DEFINITION, if it is not already set. Then
-# compute the installation prefix.
-[ -n "$VERSION_NAME" ] || VERSION_NAME="${DEFINITION##*/}"
-[ -n "$DEBUG" ] && VERSION_NAME="${VERSION_NAME}-debug"
-PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"
-
-[ -d "${PREFIX}" ] && PREFIX_EXISTS=1
-
-# If the installation prefix exists, prompt for confirmation unless
-# the --force option was specified.
-if [ -d "${PREFIX}/bin" ]; then
-  if [ -z "$FORCE" ] && [ -z "$SKIP_EXISTING" ]; then
-    echo "pyenv: $PREFIX already exists" >&2
-    read -p "continue with installation? (y/N) "
-
-    case "$REPLY" in
-    y* | Y* ) ;;
-    * ) exit 1 ;;
-    esac
-  elif [ -n "$SKIP_EXISTING" ]; then
-    # Since we know the python version is already installed, and are opting to
-    # not force installation of existing versions, we just `exit 0` here to
-    # leave things happy
-    exit 0
-  fi
-fi
-
-# If PYENV_BUILD_ROOT is set, always pass keep options to python-build.
-if [ -n "${PYENV_BUILD_ROOT}" ]; then
-  export PYTHON_BUILD_BUILD_PATH="${PYENV_BUILD_ROOT}/${VERSION_NAME}"
-  KEEP="-k"
-fi
-
-# Set PYTHON_BUILD_CACHE_PATH to $PYENV_ROOT/cache, if the directory
-# exists and the variable is not already set.
-if [ -z "${PYTHON_BUILD_CACHE_PATH}" ] && [ -d "${PYENV_ROOT}/cache" ]; then
-  export PYTHON_BUILD_CACHE_PATH="${PYENV_ROOT}/cache"
-fi
-
-# Default PYENV_VERSION to the friendly Python version. (The
-# CPython installer requires an existing Python installation to run. An
-# unsatisfied local .python-version file can cause the installer to
-# fail.)
-if [[ "${VERSION_NAME}" == [23]"."* ]]; then
-  for version in "${VERSION_NAME%-dev}" "${VERSION_NAME%.*}" "${VERSION_NAME%%.*}"; do
-    PYENV_VERSION="$(pyenv-whence "python${version}" 2>/dev/null | tail -n 1 || true)"
-    if [ -n "${PYENV_VERSION}" ]; then
-      export PYENV_VERSION
-      break
-    fi
-  done
-fi
-
-# PyPy requires existing Python 2.x to build
-if [[ "${VERSION_NAME}" == "pypy-"*"-src" ]]; then
-  if [ -z "$PYENV_RPYTHON_VERSION" ]; then
-    for version in $(pyenv-versions --bare | sort -r); do
-      if [[ "$version" == 2.[567] ]] || [[ "$version" == 2.[567].* ]]; then
-        PYENV_RPYTHON_VERSION="$version"
-      fi
-    done
-  fi
-  if [ -n "$PYENV_RPYTHON_VERSION" ]; then
-    if PYENV_VERSION="$PYENV_RPYTHON_VERSION" pyenv-exec python -c 'import curses' 1>/dev/null 2>&1; then
-      export PYENV_VERSION="$PYENV_RPYTHON_VERSION"
-    else
-      echo "pyenv-install: $VERSION_NAME: PyPy requires \`curses' in $PYENV_RPYTHON_VERSION to build from source." >&2
-      exit 1
-    fi
-  else
-    echo "pyenv-install: $VERSION_NAME: PyPy requires Python 2.5, 2.6 or 2.7 to build from source." >&2
-    exit 1
-  fi
-fi
-
-# Execute `before_install` hooks.
-for hook in "${before_hooks[@]}"; do eval "$hook"; done
-
 # Plan cleanup on unsuccessful installation.
 cleanup() {
   [ -z "${PREFIX_EXISTS}" ] && rm -rf "$PREFIX"
@@ -223,43 +145,151 @@ cleanup() {
 
 trap cleanup SIGINT
 
-# Invoke `python-build` and record the exit status in $STATUS.
-STATUS=0
-python-build $KEEP $VERBOSE $HAS_PATCH $DEBUG "$DEFINITION" "$PREFIX" || STATUS="$?"
 
-# Display a more helpful message if the definition wasn't found.
+OLDIFS="$IFS"
-if [ "$STATUS" == "2" ]; then
+IFS=$'\n' scripts=(`pyenv-hooks install`)
-  { candidates="$(definitions "$DEFINITION")"
+IFS="$OLDIFS"
-    here="$(dirname "${0%/*}")/../.."
+for script in "${scripts[@]}"; do source "$script"; done
-    if [ -n "$candidates" ]; then
+
+COMBINED_STATUS=0
+for DEFINITION in "${DEFINITIONS[@]}"; do
+  STATUS=0
+
+  # Try to resolve a prefix if user indeed gave a prefix.
+  # We install the version under the resolved name
+  # and hooks also see the resolved name
+  DEFINITION="$(pyenv-latest -f -k "$DEFINITION")"
+
+  # Set VERSION_NAME from $DEFINITION. Then compute the installation prefix.
+  VERSION_NAME="${DEFINITION##*/}"
+  [ -n "$DEBUG" ] && VERSION_NAME="${VERSION_NAME}-debug"
+  PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"
+
+  [ -d "${PREFIX}" ] && PREFIX_EXISTS=1
+
+  # If the installation prefix exists, prompt for confirmation unless
+  # the --force option was specified.
+  if [ -d "${PREFIX}/bin" ]; then
+    if [ -z "$FORCE" ] && [ -z "$SKIP_EXISTING" ]; then
+      echo "pyenv: $PREFIX already exists" >&2
+      read -p "continue with installation? (y/N) "
+
+      case "$REPLY" in
+      y | Y | yes | YES ) ;;
+      * ) { STATUS=1; [[ $STATUS -gt $COMBINED_STATUS ]] && COMBINED_STATUS=$STATUS; }; continue ;;
+      esac
+    elif [ -n "$SKIP_EXISTING" ]; then
+      # Since we know the python version is already installed, and are opting to
+      # not force installation of existing versions, we just `exit 0` here to
+      # leave things happy
+      continue
+    fi
+  fi
+
+  # If PYENV_BUILD_ROOT is set, always pass keep options to python-build.
+  if [ -n "${PYENV_BUILD_ROOT}" ]; then
+    export PYTHON_BUILD_BUILD_PATH="${PYENV_BUILD_ROOT}/${VERSION_NAME}"
+    KEEP="-k"
+  fi
+
+  # Set PYTHON_BUILD_CACHE_PATH to $PYENV_ROOT/cache, if the directory
+  # exists and the variable is not already set.
+  if [ -z "${PYTHON_BUILD_CACHE_PATH}" ] && [ -d "${PYENV_ROOT}/cache" ]; then
+    export PYTHON_BUILD_CACHE_PATH="${PYENV_ROOT}/cache"
+  fi
+
+  if [ -z "${PYENV_BOOTSTRAP_VERSION}" ]; then
+    case "${VERSION_NAME}" in
+    [23]"."* )
+      # Default PYENV_VERSION to the friendly Python version. (The
+      # CPython installer requires an existing Python installation to run. An
+      # unsatisfied local .python-version file can cause the installer to
+      # fail.)
+      for version_info in "${VERSION_NAME%-dev}" "${VERSION_NAME%.*}" "${VERSION_NAME%%.*}"; do
+        # Anaconda's `curl` doesn't work on platform where `/etc/pki/tls/certs/ca-bundle.crt` isn't available (e.g. Debian)
+        for version in $(pyenv-whence "python${version_info}" 2>/dev/null || true); do
+          if [[ "${version}" != "anaconda"* ]] && [[ "${version}" != "miniconda"* ]]; then
+            PYENV_BOOTSTRAP_VERSION="${version}"
+            break 2
+          fi
+        done
+      done
+      ;;
+    "pypy"*"-dev" | "pypy"*"-src" )
+      # PyPy/PyPy3 requires existing Python 2.7 to build
+      if [ -n "${PYENV_RPYTHON_VERSION}" ]; then
+        PYENV_BOOTSTRAP_VERSION="${PYENV_RPYTHON_VERSION}"
+      else
+        for version in $(pyenv-versions --bare | sort -r); do
+          if [[ "${version}" == "2.7"* ]]; then
+            PYENV_BOOTSTRAP_VERSION="$version"
+            break
+          fi
+        done
+      fi
+      if [ -n "$PYENV_BOOTSTRAP_VERSION" ]; then
+        for dep in pycparser; do
+          if ! PYENV_VERSION="$PYENV_BOOTSTRAP_VERSION" pyenv-exec python -c "import ${dep}" 1>/dev/null 2>&1; then
+            echo "pyenv-install: $VERSION_NAME: PyPy requires \`${dep}' in $PYENV_BOOTSTRAP_VERSION to build from source." >&2
+            exit 1
+          fi
+        done
+      else
+        echo "pyenv-install: $VERSION_NAME: PyPy requires Python 2.7 to build from source." >&2
+        exit 1
+      fi
+      ;;
+    esac
+  fi
+
+  if [ -n "${PYENV_BOOTSTRAP_VERSION}" ]; then
+    export PYENV_VERSION="${PYENV_BOOTSTRAP_VERSION}"
+  fi
+
+  # Execute `before_install` hooks.
+  for hook in "${before_hooks[@]}"; do eval "$hook"; done
+
+  # Invoke `python-build` and record the exit status in $STATUS.
+  python-build $KEEP $VERBOSE $HAS_PATCH $DEBUG "$DEFINITION" "$PREFIX" || \
+      { STATUS=$?; [[ $STATUS -gt $COMBINED_STATUS ]] && COMBINED_STATUS=$STATUS; }
+
+  # Display a more helpful message if the definition wasn't found.
+  if [ "$STATUS" == "2" ]; then
+    { candidates="$(definitions "$DEFINITION")"
+      here="$(dirname "${0%/*}")/../.."
+      if [ -n "$candidates" ]; then
+        echo
+        echo "The following versions contain \`$DEFINITION' in the name:"
+        echo "$candidates" | indent
+      fi
       echo
-      echo "The following versions contain \`$DEFINITION' in the name:"
+      echo "See all available versions with \`pyenv install --list'."
-      echo "$candidates" | indent
+      echo
-    fi
+      echo -n "If the version you need is missing, try upgrading pyenv"
-    echo
+      if [ "$here" != "${here#$(brew --prefix 2>/dev/null)}" ]; then
-    echo "See all available versions with \`pyenv install --list'."
+        printf ":\n\n"
-    echo
+        echo "  brew update && brew upgrade pyenv"
-    echo -n "If the version you need is missing, try upgrading pyenv"
+      elif [ -d "${here}/.git" ]; then
-    if [ "$here" != "${here#$(brew --prefix 2>/dev/null)}" ]; then
+        printf ":\n\n"
-      printf ":\n\n"
+        echo "  cd ${here} && git pull && cd -"
-      echo "  brew update && brew upgrade pyenv"
+      else
-    elif [ -d "${here}/.git" ]; then
+        printf ".\n"
-      printf ":\n\n"
+      fi
-      echo "  cd ${here} && git pull"
+    } >&2
-    else
+  fi
-      printf ".\n"
-    fi
-  } >&2
-fi
 
-# Execute `after_install` hooks.
+  # Execute `after_install` hooks.
-for hook in "${after_hooks[@]}"; do eval "$hook"; done
+  for hook in "${after_hooks[@]}"; do eval "$hook"; done
 
-# Run `pyenv-rehash` after a successful installation.
+  # Run `pyenv-rehash` after a successful installation.
-if [ "$STATUS" == "0" ]; then
+  if [[ $STATUS -eq 0 ]]; then
-  pyenv-rehash
+    pyenv-rehash
-else
+  else
-  cleanup
+    cleanup
-fi
+    break
+  fi
 
-exit "$STATUS"
+done
+
+
+exit "${COMBINED_STATUS}"

plugins/python-build/bin/pyenv-uninstall

@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 #
-# Summary: Uninstall a specific Python version
+# Summary: Uninstall Python versions
 #
-# Usage: pyenv uninstall [-f|--force] <version>
+# Usage: pyenv uninstall [-f|--force] <version> ...
 #
 #    -f  Attempt to remove the specified version without prompting
 #        for confirmation. If the version does not exist, do not
@@ -11,14 +11,21 @@
 # See `pyenv versions` for a complete list of installed versions.
 #
 set -e
+[ -n "$PYENV_DEBUG" ] && set -x
 
 # Provide pyenv completions
 if [ "$1" = "--complete" ]; then
+  echo --force
   exec pyenv versions --bare
 fi
 
-if [ -z "$PYENV_ROOT" ]; then
+usage() {
-  PYENV_ROOT="${HOME}/.pyenv"
+  pyenv-help uninstall 2>/dev/null
+  [ -z "$1" ] || exit "$1"
+}
+
+if [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
+  usage 0
 fi
 
 unset FORCE
@@ -27,16 +34,17 @@ if [ "$1" = "-f" ] || [ "$1" = "--force" ]; then
   shift
 fi
 
-DEFINITION="$1"
+[ "$#" -gt 0 ] || usage 1 >&2
-case "$DEFINITION" in
+
-"" | -* )
+versions=("$@")
-  # We can remove the sed fallback once pyenv 0.4.0 is widely available.
+
-  { pyenv-help uninstall 2>/dev/null ||
+for version in "${versions[@]}"; do
-    sed -ne '/^#/!q;s/.\{1,2\}//;1,4d;p' < "$0"
+  case "$version" in
-  } >&2
+  "" | -* )
-  exit 1
+    usage 1 >&2
-  ;;
+    ;;
-esac
+  esac
+done
 
 declare -a before_hooks after_hooks
 
@@ -55,28 +63,36 @@ IFS=$'\n' scripts=(`pyenv-hooks uninstall`)
 IFS="$OLDIFS"
 for script in "${scripts[@]}"; do source "$script"; done
 
+uninstall-python() {
+  local DEFINITION="$1"
 
-VERSION_NAME="${DEFINITION##*/}"
+  local VERSION_NAME="${DEFINITION##*/}"
-PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"
+  local PREFIX="${PYENV_ROOT}/versions/${VERSION_NAME}"
 
-if [ -z "$FORCE" ]; then
+  if [ -z "$FORCE" ]; then
-  if [ ! -d "$PREFIX" ]; then
+    if [ ! -d "$PREFIX" ]; then
-    echo "pyenv: version \`$VERSION_NAME' not installed" >&2
+      echo "pyenv: version \`$VERSION_NAME' not installed" >&2
-    exit 1
+      exit 1
+    fi
+
+    read -p "pyenv: remove $PREFIX? (y/N) "
+    case "$REPLY" in
+    y | Y | yes | YES ) ;;
+    * ) exit 1 ;;
+    esac
   fi
 
-  read -p "pyenv: remove $PREFIX? "
+  for hook in "${before_hooks[@]}"; do eval "$hook"; done
-  case "$REPLY" in
-  y* | Y* ) ;;
-  * ) exit 1 ;;
-  esac
-fi
 
-for hook in "${before_hooks[@]}"; do eval "$hook"; done
+  if [ -d "$PREFIX" ]; then
+    rm -rf "$PREFIX"
+    pyenv-rehash
+    echo "pyenv: $VERSION_NAME uninstalled"
+  fi
 
-if [ -d "$PREFIX" ]; then
+  for hook in "${after_hooks[@]}"; do eval "$hook"; done
-  rm -rf "$PREFIX"
+}
-  pyenv-rehash
-fi
 
-for hook in "${after_hooks[@]}"; do eval "$hook"; done
+for version in "${versions[@]}"; do
+  uninstall-python "$version"
+done

plugins/python-build/scripts/README.md

@@ -0,0 +1,22 @@
+# Scripts for updating python-build
+
+Install dependencies with `pip install -r requirements.txt`.
+
+## add_miniconda.py
+
+```_add_miniconda
+usage: add_miniconda.py [-h] [-d] [-v]
+
+Script to add non-"latest" miniconda releases. Written for python 3.7. Checks
+the miniconda download archives for new versions, then writes a build script
+for any which do not exist locally, saving it to plugins/python-
+build/share/python-build. Ignores releases below 4.3.30. Also ignores sub-
+patch releases if that major.minor.patch already exists, but otherwise, takes
+the latest sub-patch release for given OS/arch. Assumes all miniconda3
+releases < 4.7 default to python 3.6, and anything else 3.7.
+
+optional arguments:
+  -h, --help     show this help message and exit
+  -d, --dry-run  Do not write scripts, just report them to stdout
+  -v, --verbose  Increase verbosity of logging
+```

plugins/python-build/scripts/add_miniconda.py

@@ -0,0 +1,423 @@
+#!/usr/bin/env python3
+"""Script to add non-"latest" miniconda releases.
+Written for python 3.7.
+
+Checks the miniconda download archives for new versions,
+then writes a build script for any which do not exist locally,
+saving it to plugins/python-build/share/python-build.
+
+Ignores releases below 4.3.30.
+Also ignores sub-patch releases if that major.minor.patch already exists,
+but otherwise, takes the latest sub-patch release for given OS/arch.
+Assumes all miniconda3 releases < 4.7 default to python 3.6, and anything else 3.7.
+"""
+import logging
+import re
+import string
+import sys
+import textwrap
+from argparse import ArgumentParser
+from collections import defaultdict
+from dataclasses import dataclass
+from enum import Enum
+from functools import total_ordering
+from pathlib import Path
+from typing import NamedTuple, List, Optional, DefaultDict, Dict
+
+import requests_html
+
+logger = logging.getLogger(__name__)
+
+CONDA_REPO = "https://repo.anaconda.com"
+MINICONDA_REPO = CONDA_REPO + "/miniconda"
+ANACONDA_REPO = CONDA_REPO + "/archive"
+
+install_script_fmt = """
+case "$(anaconda_architecture 2>/dev/null || true)" in
+{install_lines}
+* )
+  {{ echo
+    colorize 1 "ERROR"
+    echo ": The binary distribution of {tflavor} is not available for $(anaconda_architecture 2>/dev/null || true)."
+    echo
+  }} >&2
+  exit 1
+  ;;
+esac
+""".lstrip()
+
+install_line_fmt = """
+"{os}-{arch}" )
+  install_script "{tflavor}{suffix}-{version_py_version}{version_str}-{os}-{arch}" "{repo}/{tflavor}{suffix}-{version_py_version}{version_str}-{os}-{arch}.sh#{md5}" "{flavor}" verify_{py_version}
+  ;;
+""".strip()
+
+here = Path(__file__).resolve()
+out_dir: Path = here.parent.parent / "share" / "python-build"
+
+
+class StrEnum(str, Enum):
+    """Enum subclass whose members are also instances of str
+    and directly comparable to strings. str type is forced at declaration.
+
+    Adapted from https://github.com/kissgyorgy/enum34-custom/blob/dbc89596761c970398701d26c6a5bbcfcf70f548/enum_custom.py#L100
+    (MIT license)
+    """
+
+    def __new__(cls, *args):
+        for arg in args:
+            if not isinstance(arg, str):
+                raise TypeError("Not text %s:" % arg)
+
+        return super(StrEnum, cls).__new__(cls, *args)
+
+    def __str__(self):
+        return str(self.value)
+
+
+class SupportedOS(StrEnum):
+    LINUX = "Linux"
+    MACOSX = "MacOSX"
+
+
+class SupportedArch(StrEnum):
+    AARCH64 = "aarch64"
+    ARM64 = "arm64"
+    PPC64LE = "ppc64le"
+    S390X = "s390x"
+    X86_64 = "x86_64"
+    X86 = "x86"
+
+
+class Flavor(StrEnum):
+    ANACONDA = "anaconda"
+    MINICONDA = "miniconda"
+
+
+class TFlavor(StrEnum):
+    ANACONDA = "Anaconda"
+    MINICONDA = "Miniconda"
+
+
+class Suffix(StrEnum):
+    TWO = "2"
+    THREE = "3"
+    NONE = ""
+
+
+PyVersion = None
+class PyVersionMeta(type):
+    def __getattr__(self, name):
+        """Generate PyVersion.PYXXX on demand to future-proof it"""
+        if PyVersion is not None:
+            return PyVersion(name.lower())
+        return super(PyVersionMeta,self).__getattr__(self, name)
+
+
+@dataclass(frozen=True)
+class PyVersion(metaclass=PyVersionMeta):
+    major: str
+    minor: str
+
+    def __init__(self, value):
+        (major, minor) = re.match(r"py(\d)(\d+)", value).groups()
+        object.__setattr__(self, "major", major)
+        object.__setattr__(self, "minor", minor)
+
+    @property
+    def value(self):
+        return f"py{self.major}{self.minor}"
+
+    def version(self):
+        return f"{self.major}.{self.minor}"
+
+    def version_info(self):
+        return (self.major, self.minor)
+
+    def __str__(self):
+        return self.value
+
+
+@total_ordering
+class VersionStr(str):
+    def info(self):
+        return tuple(int(n) for n in self.replace("-", ".").split("."))
+
+    def __eq__(self, other):
+        return str(self) == str(other)
+
+    def __lt__(self, other):
+        if isinstance(other, VersionStr):
+            return self.info() < other.info()
+        raise ValueError("VersionStr can only be compared to other VersionStr")
+
+    @classmethod
+    def from_info(cls, version_info):
+        return VersionStr(".".join(str(n) for n in version_info))
+
+    def __hash__(self):
+        return hash(str(self))
+
+
+class CondaVersion(NamedTuple):
+    flavor: Flavor
+    suffix: Suffix
+    version_str: VersionStr
+    py_version: Optional[PyVersion]
+
+    @classmethod
+    def from_str(cls, s):
+        """
+        Convert a string of the form "miniconda_n-ver" or "miniconda_n-py_ver-ver" to a :class:`CondaVersion` object.
+        """
+        miniconda_n, _, remainder = s.partition("-")
+        suffix = miniconda_n[-1]
+        if suffix in string.digits:
+            flavor = miniconda_n[:-1]
+        else:
+            flavor = miniconda_n
+            suffix = ""
+
+        components = remainder.split("-")
+        if flavor == Flavor.MINICONDA and len(components) >= 2:
+            py_ver, *ver_parts = components
+            py_ver = PyVersion(f"py{py_ver.replace('.', '')}")
+            ver = "-".join(ver_parts)
+        else:
+            ver = "-".join(components)
+            py_ver = None
+
+        return CondaVersion(Flavor(flavor), Suffix(suffix), VersionStr(ver), py_ver)
+
+    def to_filename(self):
+        if self.py_version:
+            return f"{self.flavor}{self.suffix}-{self.py_version.version()}-{self.version_str}"
+        else:
+            return f"{self.flavor}{self.suffix}-{self.version_str}"
+
+    def default_py_version(self):
+        """
+        :class:`PyVersion` of Python used with this Miniconda version
+        """
+        if self.py_version:
+            return self.py_version
+        elif self.suffix == Suffix.TWO:
+            return PyVersion.PY27
+
+        v = self.version_str.info()
+        if self.flavor == "miniconda":
+            # https://docs.conda.io/projects/conda/en/latest/user-guide/tasks/manage-python.html
+            if v < (4, 7):
+                return PyVersion.PY36
+            if v < (4, 8):
+                return PyVersion.PY37
+            else:
+                # since 4.8, Miniconda specifies versions explicitly in the file name
+                raise ValueError("Miniconda 4.8+ is supposed to specify a Python version explicitly")
+        if self.flavor == "anaconda":
+            # https://docs.anaconda.com/free/anaconda/reference/release-notes/
+            if v >= (2024,6):
+                return PyVersion.PY312
+            if v >= (2023,7):
+                return PyVersion.PY311
+            if v >= (2023,3):
+                return PyVersion.PY310
+            if v >= (2021,11):
+                return PyVersion.PY39
+            if v >= (2020,7):
+                return PyVersion.PY38
+            if v >= (2020,2):
+                return PyVersion.PY37
+            if v >= (5,3,0):
+                return PyVersion.PY37
+            return PyVersion.PY36
+
+        raise ValueError(self.flavor)
+
+
+class CondaSpec(NamedTuple):
+    tflavor: TFlavor
+    version: CondaVersion
+    os: SupportedOS
+    arch: SupportedArch
+    md5: str
+    repo: str
+    py_version: Optional[PyVersion] = None
+
+    @classmethod
+    def from_filestem(cls, stem, md5, repo, py_version=None):
+        # The `*vers` captures the new trailing `-1` in some file names (a build number?)
+        # so they can be processed properly.
+        miniconda_n, *vers, os, arch = stem.split("-")
+        ver = "-".join(vers)
+        suffix = miniconda_n[-1]
+        if suffix in string.digits:
+            tflavor = miniconda_n[:-1]
+        else:
+            tflavor = miniconda_n
+            suffix = ""
+        flavor = tflavor.lower()
+
+        if ver.startswith("py"):
+            py_ver, ver = ver.split("_", maxsplit=1)
+            py_ver = PyVersion(py_ver)
+        else:
+            py_ver = None
+        spec = CondaSpec(
+            TFlavor(tflavor),
+            CondaVersion(Flavor(flavor), Suffix(suffix), VersionStr(ver), py_ver),
+            SupportedOS(os),
+            SupportedArch(arch),
+            md5,
+            repo,
+            py_ver
+        )
+        if py_version is None and py_ver is None and ver != "latest":
+            spec = spec.with_py_version(spec.version.default_py_version())
+        return spec
+
+    def to_install_lines(self):
+        """
+        Installation command for this version of Miniconda for use in a Pyenv installation script
+        """
+        return install_line_fmt.format(
+            tflavor=self.tflavor,
+            flavor=self.version.flavor,
+            repo=self.repo,
+            suffix=self.version.suffix,
+            version_str=self.version.version_str,
+            version_py_version=f"{self.version.py_version}_" if self.version.py_version else "",
+            os=self.os,
+            arch=self.arch,
+            md5=self.md5,
+            py_version=self.py_version,
+        )
+
+    def with_py_version(self, py_version: PyVersion):
+        return CondaSpec(*self[:-1], py_version=py_version)
+
+
+def make_script(specs: List[CondaSpec]):
+    install_lines = [s.to_install_lines() for s in specs]
+    return install_script_fmt.format(
+        install_lines="\n".join(install_lines),
+        tflavor=specs[0].tflavor,
+    )
+
+
+def get_existing_condas(name):
+    """
+    Enumerate existing Miniconda installation scripts in share/python-build/ except rolling releases.
+
+    :returns: A generator of :class:`CondaVersion` objects.
+    """
+    logger.info("Getting known %(name)s versions",locals())
+    for p in out_dir.iterdir():
+        entry_name = p.name
+        if not p.is_file() or not entry_name.startswith(name):
+            continue
+        try:
+            v = CondaVersion.from_str(entry_name)
+            if v.version_str != "latest":
+                logger.debug("Found existing %(name)s version %(v)s", locals())
+                yield v
+        except ValueError as e:
+            logger.error("Unable to parse existing version %s: %s", entry_name, e)
+
+
+def get_available_condas(name, repo):
+    """
+    Fetch remote miniconda versions.
+
+    :returns: A generator of :class:`CondaSpec` objects for each release available for download
+    except rolling releases.
+    """
+    logger.info("Fetching remote %(name)s versions",locals())
+    session = requests_html.HTMLSession()
+    response = session.get(repo)
+    page: requests_html.HTML = response.html
+    table = page.find("table", first=True)
+    rows = table.find("tr")[1:]
+    for row in rows:
+        f, size, date, md5 = row.find("td")
+        fname = f.text
+        md5 = md5.text
+
+        if not fname.endswith(".sh"):
+            continue
+        stem = fname[:-3]
+
+        try:
+            s = CondaSpec.from_filestem(stem, md5, repo)
+            if s.version.version_str != "latest":
+                logger.debug("Found remote %(name)s version %(s)s", locals())
+                yield s
+        except ValueError:
+            pass
+
+
+def key_fn(spec: CondaSpec):
+    return (
+        spec.tflavor,
+        spec.version.version_str.info(),
+        spec.version.suffix.value,
+        spec.os.value,
+        spec.arch.value,
+    )
+
+
+if __name__ == "__main__":
+    parser = ArgumentParser(description=__doc__)
+    parser.add_argument(
+        "-d", "--dry-run", action="store_true",
+        help="Do not write scripts, just report them to stdout",
+    )
+    parser.add_argument(
+        "-v", "--verbose", action="store_true", default=0,
+        help="Increase verbosity of logging",
+    )
+    parsed = parser.parse_args()
+
+    logging.basicConfig(level=logging.DEBUG if parsed.verbose else logging.INFO)
+
+    existing_versions = set()
+    available_specs = set()
+    for name,repo in ("miniconda",MINICONDA_REPO),("anaconda",ANACONDA_REPO):
+        existing_versions |= set(get_existing_condas(name))
+        available_specs |= set(get_available_condas(name, repo))
+
+    # version triple to triple-ified spec to raw spec
+    to_add: DefaultDict[
+        CondaVersion, Dict[CondaSpec, CondaSpec]
+    ] = defaultdict(dict)
+
+    logger.info("Checking for new versions")
+    for s in sorted(available_specs, key=key_fn):
+        key = s.version
+        vv = key.version_str.info()
+
+        reason = None
+        if key in existing_versions:
+            reason = "already exists"
+        elif key.version_str.info() <= (4, 3, 30):
+            reason = "too old"
+        elif len(key.version_str.info()) >= 4 and "-" not in key.version_str:
+            reason = "ignoring hotfix releases"
+
+        if reason:
+            logger.debug("Ignoring version %(s)s (%(reason)s)", locals())
+            continue
+
+        to_add[key][s] = s
+
+    logger.info("Writing %s scripts", len(to_add))
+    for ver, d in to_add.items():
+        specs = list(d.values())
+        fpath = out_dir / ver.to_filename()
+        script_str = make_script(specs)
+        logger.info("Writing script for %s", ver)
+        if parsed.dry_run:
+            print(f"Would write spec to {fpath}:\n" + textwrap.indent(script_str, "  "))
+        else:
+            with open(fpath, "w") as f:
+                f.write(script_str)

plugins/python-build/scripts/add_miniforge.py

@@ -0,0 +1,134 @@
+#!/usr/bin/env python3
+'Adds the latest miniforge and mambaforge releases.'
+from pathlib import Path
+import logging
+import os
+import string
+
+import requests
+
+logger = logging.getLogger(__name__)
+logging.basicConfig(level=os.environ.get('LOGLEVEL', 'INFO'))
+
+MINIFORGE_REPO = 'conda-forge/miniforge'
+DISTRIBUTIONS = ['miniforge', 'mambaforge']
+
+SKIPPED_RELEASES = [
+    '4.13.0-0',     #has no Mambaforge. We already generated scripts for Miniforge
+    '22.11.1-0',    #MacOS packages are broken (have broken dep tarballs, downloading them fails with 403)
+    '22.11.1-1',    #MacOS packages are broken (have broken dep tarballs, downloading them fails with 403)
+    '22.11.1-2',    #MacOS packages are broken (have broken dep tarballs, downloading them fails with 403)
+]
+
+install_script_fmt = """
+case "$(anaconda_architecture 2>/dev/null || true)" in
+{install_lines}
+* )
+  {{ echo
+    colorize 1 "ERROR"
+    echo ": The binary distribution of {flavor} is not available for $(anaconda_architecture 2>/dev/null || true)."
+    echo
+  }} >&2
+  exit 1
+  ;;
+esac
+""".lstrip()
+
+install_line_fmt = """
+"{os}-{arch}" )
+  install_script "{filename}" "{url}#{sha}" "miniconda" verify_py{py_version}
+  ;;
+""".strip()
+
+here = Path(__file__).resolve()
+out_dir: Path = here.parent.parent / "share" / "python-build"
+
+def download_sha(url):
+    logger.info('Downloading SHA file %(url)s', locals())
+    tup = tuple(reversed(requests.get(url).text.replace('./', '').rstrip().split()))
+    logger.debug('Got %(tup)s', locals())
+    return tup
+
+def create_spec(filename, sha, url):
+    flavor_with_suffix, version, subversion, os, arch = filename.replace('.sh', '').split('-')
+    suffix = flavor_with_suffix[-1]
+
+    if suffix in string.digits:
+        flavor = flavor_with_suffix[:-1]
+    else:
+        flavor = flavor_with_suffix
+
+    spec = {
+        'filename': filename,
+        'sha': sha,
+        'url': url,
+        'py_version': py_version(version),
+        'flavor': flavor,
+        'os': os,
+        'arch': arch,
+        'installer_filename': f'{flavor_with_suffix.lower()}-{version}-{subversion}',
+    }
+
+    logger.debug('Created spec %(spec)s', locals())
+
+    return spec
+
+def py_version(release):
+    """Suffix for `verify_pyXXX` to call in the generated build script"""
+    release_line = tuple(int(part) for part in release.split(".")[:2])
+    # current version: mentioned under https://github.com/conda-forge/miniforge?tab=readme-ov-file#miniforge3
+    # transition points:
+    # https://github.com/conda-forge/miniforge/blame/main/Miniforge3/construct.yaml
+    # look for "- python <version>" in non-pypy branch and which tag the commit is first in
+    if release_line >= (24,5):
+        # yes, they jumped from 3.10 directly to 3.12
+        # https://github.com/conda-forge/miniforge/commit/bddad0baf22b37cfe079e47fd1680fdfb2183590
+        return "312"
+    if release_line >= (4,14):
+        return "310"
+    raise ValueError("Bundled Python version unknown for release `%s'"%release)
+
+def supported(filename):
+    return ('pypy' not in filename) and ('Windows' not in filename)
+
+def add_version(release):
+    tag_name = release['tag_name']
+    download_urls = { f['name']: f['browser_download_url'] for f in release['assets'] }
+    # can assume that sha files are named similar to release files so can also check supported(on their names)
+    shas = dict([download_sha(url) for (name, url) in download_urls.items() if name.endswith('.sha256') and supported(os.path.basename(name)) and tag_name in name])
+    specs = [create_spec(filename, sha, download_urls[filename]) for (filename, sha) in shas.items() if supported(filename)]
+
+    for distribution in DISTRIBUTIONS:
+        distribution_specs = [spec for spec in specs if distribution in spec['flavor'].lower()]
+        count = len(distribution_specs)
+
+        if count > 0:
+            output_file = out_dir / distribution_specs[0]['installer_filename']
+
+            logger.info('Writing %(count)d specs for %(distribution)s to %(output_file)s', locals())
+
+            script_str = install_script_fmt.format(
+                install_lines="\n".join([install_line_fmt.format_map(s) for s in distribution_specs]),
+                flavor=distribution_specs[0]['flavor'],
+            )
+
+            with open(output_file, 'w') as f:
+                f.write(script_str)
+        else:
+            logger.info('Did not find specs for %(distribution)s', locals())
+
+for release in requests.get(f'https://api.github.com/repos/{MINIFORGE_REPO}/releases').json():
+    version = release['tag_name']
+
+    logger.info('Looking for %(version)s in %(out_dir)s', locals())
+
+    # This release has no mambaforge artifacts which causes the next check to always trigger.
+    # Build scripts for miniforge3-4.13.0-0 have already been generated.
+    # Assuming this was a fluke, we don't yet need to implement proactively checking all releases for contents
+    # or ignoring a release if _any_ of the flavors is already present in Pyenv.
+    if version in SKIPPED_RELEASES:
+        continue
+
+    if any(not list(out_dir.glob(f'{distribution}*-{version}')) for distribution in DISTRIBUTIONS):
+        logger.info('Downloading %(version)s', locals())
+        add_version(release)

plugins/python-build/scripts/requirements.txt

@@ -0,0 +1 @@
+requests-html

plugins/python-build/share/python-build/2.1.3

@@ -1,5 +1,5 @@
-#require_gcc
+require_gcc
-install_package "readline-6.2" "http://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#67948acb2ca081f23359d0256e9a271c" standard --if has_broken_mac_readline
+install_package "readline-6.2" "https://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#79a696070a058c233c72dd6ac697021cc64abd5ed51e59db867d66d196a89381" mac_readline --if has_broken_mac_readline
-install_package "Python-2.1.3" "http://www.python.org/ftp/python/2.1.3/Python-2.1.3.tgz#1bcb5bb587948bc38f36db60e15c376009c56c66570e563a08a82bf7f227afb9" ldflags_dirs standard verify_py21
+install_package "Python-2.1.3" "https://www.python.org/ftp/python/2.1.3/Python-2.1.3.tgz#1bcb5bb587948bc38f36db60e15c376009c56c66570e563a08a82bf7f227afb9" standard verify_py21
-#install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#13951be6711438073fbe50843e7f141f" python
+#install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#263986a60a83aba790a5bffc7d009ac88114ba4e908e5c90e453b3bf2155dbbd" python
-#install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#62a9f08dd5dc69d76734568a6c040508" python
+#install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#993804bb947d18508acee02141281c77d27677f8c14eaa64d6287a1c53ef01c8" python

plugins/python-build/share/python-build/2.2.3

@@ -1,5 +1,5 @@
-#require_gcc
+require_gcc
-install_package "readline-6.2" "http://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#67948acb2ca081f23359d0256e9a271c" standard --if has_broken_mac_readline
+install_package "readline-6.2" "https://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#79a696070a058c233c72dd6ac697021cc64abd5ed51e59db867d66d196a89381" mac_readline --if has_broken_mac_readline
-install_package "Python-2.2.3" "http://www.python.org/ftp/python/2.2.3/Python-2.2.3.tgz#a8f92e6b89d47359fff0d1fbfe47f104afc77fd1cd5143e7332758b7bc100188" ldflags_dirs standard verify_py22
+install_package "Python-2.2.3" "https://www.python.org/ftp/python/2.2.3/Python-2.2.3.tgz#a8f92e6b89d47359fff0d1fbfe47f104afc77fd1cd5143e7332758b7bc100188" standard verify_py22
-#install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#13951be6711438073fbe50843e7f141f" python
+#install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#263986a60a83aba790a5bffc7d009ac88114ba4e908e5c90e453b3bf2155dbbd" python
-#install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#62a9f08dd5dc69d76734568a6c040508" python
+#install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#993804bb947d18508acee02141281c77d27677f8c14eaa64d6287a1c53ef01c8" python

plugins/python-build/share/python-build/2.3.7

@@ -1,5 +1,5 @@
-#require_gcc
+require_gcc
-install_package "readline-6.2" "http://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#67948acb2ca081f23359d0256e9a271c" standard --if has_broken_mac_readline
+install_package "readline-6.2" "https://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#79a696070a058c233c72dd6ac697021cc64abd5ed51e59db867d66d196a89381" mac_readline --if has_broken_mac_readline
-install_package "Python-2.3.7" "http://python.org/ftp/python/2.3.7/Python-2.3.7.tgz#969a9891dce9f50b13e54f9890acaf2be66715a5895bf9b11111f320c205b90e" ldflags_dirs standard verify_py23
+install_package "Python-2.3.7" "https://www.python.org/ftp/python/2.3.7/Python-2.3.7.tgz#969a9891dce9f50b13e54f9890acaf2be66715a5895bf9b11111f320c205b90e" standard verify_py23
-#install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#13951be6711438073fbe50843e7f141f" python
+#install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#263986a60a83aba790a5bffc7d009ac88114ba4e908e5c90e453b3bf2155dbbd" python
-#install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#62a9f08dd5dc69d76734568a6c040508" python
+#install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#993804bb947d18508acee02141281c77d27677f8c14eaa64d6287a1c53ef01c8" python

plugins/python-build/share/python-build/2.4

@@ -1,5 +0,0 @@
-#require_gcc
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
-install_package "Python-2.4" "http://python.org/ftp/python/2.4/Python-2.4.tgz#ff746de0fae8691c082414b42a2bb172da8797e6e8ff66c9a39d2e452f7034e9" ldflags_dirs standard verify_py24
-install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#263986a60a83aba790a5bffc7d009ac88114ba4e908e5c90e453b3bf2155dbbd" python
-install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#993804bb947d18508acee02141281c77d27677f8c14eaa64d6287a1c53ef01c8" python

plugins/python-build/share/python-build/2.4.0

@@ -0,0 +1,5 @@
+require_gcc
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+install_package "Python-2.4" "https://www.python.org/ftp/python/2.4/Python-2.4.tgz#ff746de0fae8691c082414b42a2bb172da8797e6e8ff66c9a39d2e452f7034e9" standard verify_py24
+install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#263986a60a83aba790a5bffc7d009ac88114ba4e908e5c90e453b3bf2155dbbd" python
+install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#993804bb947d18508acee02141281c77d27677f8c14eaa64d6287a1c53ef01c8" python

plugins/python-build/share/python-build/2.4.1

@@ -1,5 +1,5 @@
-#require_gcc
+require_gcc
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
-install_package "Python-2.4.1" "http://python.org/ftp/python/2.4.1/Python-2.4.1.tgz#f449c3b167389324c525ad99d02376c518ac11e163dbbbc13bc88a5c7101fd00" ldflags_dirs standard verify_py24
+install_package "Python-2.4.1" "https://www.python.org/ftp/python/2.4.1/Python-2.4.1.tgz#f449c3b167389324c525ad99d02376c518ac11e163dbbbc13bc88a5c7101fd00" standard verify_py24
 install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#263986a60a83aba790a5bffc7d009ac88114ba4e908e5c90e453b3bf2155dbbd" python
 install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#993804bb947d18508acee02141281c77d27677f8c14eaa64d6287a1c53ef01c8" python

plugins/python-build/share/python-build/2.4.2

@@ -1,5 +1,5 @@
-#require_gcc
+require_gcc
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
-install_package "Python-2.4.2" "http://python.org/ftp/python/2.4.2/Python-2.4.2.tgz#2653e1846e87fd9b3ee287fefc965c80c54646548b4913a22265b0dd54493adf" ldflags_dirs standard verify_py24
+install_package "Python-2.4.2" "https://www.python.org/ftp/python/2.4.2/Python-2.4.2.tgz#2653e1846e87fd9b3ee287fefc965c80c54646548b4913a22265b0dd54493adf" standard verify_py24
 install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#263986a60a83aba790a5bffc7d009ac88114ba4e908e5c90e453b3bf2155dbbd" python
 install_package "pip-1.1" "https://pypi.python.org/packages/source/p/pip/pip-1.1.tar.gz#993804bb947d18508acee02141281c77d27677f8c14eaa64d6287a1c53ef01c8" python

plugins/python-build/share/python-build/2.4.3

@@ -1,5 +1,5 @@
-#require_gcc
+require_gcc
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
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+install_package "Python-2.4.3" "https://www.python.org/ftp/python/2.4.3/Python-2.4.3.tgz#985a413932f5e31e6280b37da6b285a3a0b2748c6786643989ed9b23de97e2d5" standard verify_py24
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+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
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+install_package "Python-2.4.4" "https://www.python.org/ftp/python/2.4.4/Python-2.4.4.tgz#92be6e20cbc3111d9dd0c016d72ef7914c23b879dc52df7ba28df97afbf12e2e" standard verify_py24
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+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
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+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
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+install_package "Python-2.4.6" "https://www.python.org/ftp/python/2.4.6/Python-2.4.6.tgz#b03f269e826927f05c966cf4f4414f3c93ee2314960859e7f8375e24e82f8b02" standard verify_py24
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+install_package "Python-2.5" "https://www.python.org/ftp/python/2.5/Python-2.5.tgz#d7bbf42e36003c6065cd19f3e67d283521858515ee923220f654131cebe1d8f2" standard verify_py25
+install_package "setuptools-1.4.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-1.4.2.tar.gz#263986a60a83aba790a5bffc7d009ac88114ba4e908e5c90e453b3bf2155dbbd" python
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@@ -0,0 +1,3 @@
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+install_package "Python-2.6.5" "https://www.python.org/ftp/python/2.6.5/Python-2.6.5.tgz#b331dafdce3361834fee783795d4f68ae7cf7d379e9137c2d8e8531cea615ede" standard verify_py26 ensurepip

plugins/python-build/share/python-build/2.6.6

@@ -1,3 +1,3 @@
-#require_gcc
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
-install_package "Python-2.6.6" "http://python.org/ftp/python/2.6.6/Python-2.6.6.tgz#372f66db46d773214e4619df1794a26449158f626138d4d2141a64c2f017fae1" ldflags_dirs standard verify_py26 ensurepip
+install_package "Python-2.6.6" "https://www.python.org/ftp/python/2.6.6/Python-2.6.6.tgz#372f66db46d773214e4619df1794a26449158f626138d4d2141a64c2f017fae1" standard verify_py26 ensurepip

plugins/python-build/share/python-build/2.6.7

@@ -1,3 +1,3 @@
-#require_gcc
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
-install_package "Python-2.6.7" "http://python.org/ftp/python/2.6.7/Python-2.6.7.tgz#a8093eace4cfd3e06b05f0deb5d765e3c6cec65908048640a8cadd7a948b3826" ldflags_dirs standard verify_py26 ensurepip
+install_package "Python-2.6.7" "https://www.python.org/ftp/python/2.6.7/Python-2.6.7.tgz#a8093eace4cfd3e06b05f0deb5d765e3c6cec65908048640a8cadd7a948b3826" standard verify_py26 ensurepip

plugins/python-build/share/python-build/2.6.8

@@ -1,3 +1,3 @@
-#require_gcc
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
-install_package "Python-2.6.8" "http://python.org/ftp/python/2.6.8/Python-2.6.8.tgz#5bf02a75ffa2fcaa5a3cabb8201998519b045541975622316888ea468d9512f7" ldflags_dirs standard verify_py26 ensurepip
+install_package "Python-2.6.8" "https://www.python.org/ftp/python/2.6.8/Python-2.6.8.tgz#5bf02a75ffa2fcaa5a3cabb8201998519b045541975622316888ea468d9512f7" standard verify_py26 ensurepip

plugins/python-build/share/python-build/2.6.9

@@ -1,3 +1,3 @@
-#require_gcc
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
-install_package "Python-2.6.9" "http://python.org/ftp/python/2.6.9/Python-2.6.9.tgz#7277b1285d8a82f374ef6ebaac85b003266f7939b3f2a24a3af52f9523ac94db" ldflags_dirs standard verify_py26 ensurepip
+install_package "Python-2.6.9" "https://www.python.org/ftp/python/2.6.9/Python-2.6.9.tgz#7277b1285d8a82f374ef6ebaac85b003266f7939b3f2a24a3af52f9523ac94db" standard verify_py26 ensurepip

plugins/python-build/share/python-build/2.7

@@ -1,3 +0,0 @@
-#require_gcc
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
-install_package "Python-2.7" "http://python.org/ftp/python/2.7/Python-2.7.tgz#5670dd6c0c93b0b529781d070852f7b51ce6855615b16afcd318341af2910fb5" ldflags_dirs standard verify_py27 ensurepip

plugins/python-build/share/python-build/2.7-dev

@@ -1,3 +1,4 @@
-#require_gcc
+prefer_openssl11
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "openssl-1.1.0j" "https://www.openssl.org/source/old/1.1.0/openssl-1.1.0j.tar.gz#31bec6c203ce1a8e93d5994f4ed304c63ccf07676118b6634edded12ad1b3246" mac_openssl --if has_broken_mac_openssl
-install_hg "Python-2.7-dev" "https://bitbucket.org/mirror/cpython" "2.7" standard verify_py27 ensurepip
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+install_git "Python-2.7-dev" "https://github.com/python/cpython" "2.7" standard verify_py27 copy_python_gdb ensurepip

plugins/python-build/share/python-build/2.7.0

@@ -0,0 +1,3 @@
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+install_package "Python-2.7" "https://www.python.org/ftp/python/2.7/Python-2.7.tgz#5670dd6c0c93b0b529781d070852f7b51ce6855615b16afcd318341af2910fb5" standard verify_py27 copy_python_gdb ensurepip

plugins/python-build/share/python-build/2.7.1

@@ -1,3 +1,3 @@
-#require_gcc
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
-install_package "readline-6.3" "http://ftpmirror.gnu.org/readline/readline-6.3.tar.gz#56ba6071b9462f980c5a72ab0023893b65ba6debb4eeb475d7a563dc65cafd43" standard --if has_broken_mac_readline
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
-install_package "Python-2.7.1" "http://python.org/ftp/python/2.7.1/Python-2.7.1.tgz#ca13e7b1860821494f70de017202283ad73b1fb7bd88586401c54ef958226ec8" ldflags_dirs standard verify_py27 ensurepip
+install_package "Python-2.7.1" "https://www.python.org/ftp/python/2.7.1/Python-2.7.1.tgz#ca13e7b1860821494f70de017202283ad73b1fb7bd88586401c54ef958226ec8" standard verify_py27 copy_python_gdb ensurepip

plugins/python-build/share/python-build/2.7.10

@@ -0,0 +1,7 @@
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+if has_tar_xz_support; then
+  install_package "Python-2.7.10" "https://www.python.org/ftp/python/2.7.10/Python-2.7.10.tar.xz#1cd3730781b91caf0fa1c4d472dc29274186480161a150294c42ce9b5c5effc0" standard verify_py27 copy_python_gdb ensurepip
+else
+  install_package "Python-2.7.10" "https://www.python.org/ftp/python/2.7.10/Python-2.7.10.tgz#eda8ce6eec03e74991abb5384170e7c65fcd7522e409b8e83d7e6372add0f12a" standard verify_py27 copy_python_gdb ensurepip
+fi

plugins/python-build/share/python-build/2.7.11

@@ -0,0 +1,7 @@
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+if has_tar_xz_support; then
+  install_package "Python-2.7.11" "https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tar.xz#962b4c45af50124ea61f11a30deb4342fc0bc21126790fa1d7f6c79809413f46" standard verify_py27 copy_python_gdb ensurepip
+else
+  install_package "Python-2.7.11" "https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tgz#82929b96fd6afc8da838b149107078c02fa1744b7e60999a8babbc0d3fa86fc6" standard verify_py27 copy_python_gdb ensurepip
+fi

plugins/python-build/share/python-build/2.7.12

@@ -0,0 +1,7 @@
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+if has_tar_xz_support; then
+  install_package "Python-2.7.12" "https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tar.xz#d7837121dd5652a05fef807c361909d255d173280c4e1a4ded94d73d80a1f978" standard verify_py27 copy_python_gdb ensurepip
+else
+  install_package "Python-2.7.12" "https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tgz#3cb522d17463dfa69a155ab18cffa399b358c966c0363d6c8b5b3bf1384da4b6" standard verify_py27 copy_python_gdb ensurepip
+fi

plugins/python-build/share/python-build/2.7.13

@@ -0,0 +1,7 @@
+install_package "openssl-1.0.2k" "https://www.openssl.org/source/old/1.0.2/openssl-1.0.2k.tar.gz#6b3977c61f2aedf0f96367dcfb5c6e578cf37e7b8d913b4ecb6643c3cb88d8c0" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+if has_tar_xz_support; then
+  install_package "Python-2.7.13" "https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tar.xz#35d543986882f78261f97787fd3e06274bfa6df29fac9b4a94f73930ff98f731" standard verify_py27 copy_python_gdb ensurepip
+else
+  install_package "Python-2.7.13" "https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tgz#a4f05a0720ce0fd92626f0278b6b433eee9a6173ddf2bced7957dfb599a5ece1" standard verify_py27 copy_python_gdb ensurepip
+fi

plugins/python-build/share/python-build/2.7.14

@@ -0,0 +1,8 @@
+prefer_openssl11
+install_package "openssl-1.1.0j" "https://www.openssl.org/source/old/1.1.0/openssl-1.1.0j.tar.gz#31bec6c203ce1a8e93d5994f4ed304c63ccf07676118b6634edded12ad1b3246" mac_openssl --if has_broken_mac_openssl
+install_package "readline-8.0" "https://ftpmirror.gnu.org/readline/readline-8.0.tar.gz#e339f51971478d369f8a053a330a190781acb9864cf4c541060f12078948e461" mac_readline --if has_broken_mac_readline
+if has_tar_xz_support; then
+  install_package "Python-2.7.14" "https://www.python.org/ftp/python/2.7.14/Python-2.7.14.tar.xz#71ffb26e09e78650e424929b2b457b9c912ac216576e6bd9e7d204ed03296a66" standard verify_py27 copy_python_gdb ensurepip
+else
+  install_package "Python-2.7.14" "https://www.python.org/ftp/python/2.7.14/Python-2.7.14.tgz#304c9b202ea6fbd0a4a8e0ad3733715fbd4749f2204a9173a58ec53c32ea73e8" standard verify_py27 copy_python_gdb ensurepip
+fi