mirror of
https://github.com/pyenv/pyenv-virtualenv.git
synced 2025-11-11 13:03:52 -05:00
93 lines
1.9 KiB
Bash
Executable File
93 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Summary: Activate virtual environment
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#
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# Usage: pyenv activate <virtualenv>
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# pyenv activate --unset
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#
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# Activate a Python virtualenv environment in current shell.
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# This acts almost as same as `pyenv shell`, but this invokes the `activate`
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# script in your shell.
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#
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# <virtualenv> should be a string matching a Python version known to pyenv.
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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# Provide pyenv completions
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if [ "$1" = "--complete" ]; then
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echo --unset
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exec pyenv-virtualenvs --bare
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fi
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if [ "$1" = "--unset" ]; then
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echo "pyenv deactivate"
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exit
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fi
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versions=("$@")
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if [ -z "$versions" ]; then
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no_shell=1
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OLDIFS="$IFS"
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IFS=: versions=($(pyenv-version-name))
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IFS="$OLDIFS"
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fi
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if [ -z "${PYENV_VIRTUALENV_INIT}" ]; then
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# Backward compatibility issue
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# https://github.com/yyuu/pyenv-virtualenv/issues/26
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no_shell=
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fi
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if [ "${#versions[@]}" -gt 1 ]; then
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echo "pyenv-virtualenv: cannot activate multiple versions at once: ${versions[@]}" 1>&2
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exit 1
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fi
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pyenv-virtualenv-prefix "${versions}" 1>/dev/null
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shell="$(basename "${PYENV_SHELL:-$SHELL}")"
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case "$shell" in
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bash )
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profile="$HOME/.bash_profile"
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;;
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zsh )
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profile="$HOME/.zshrc"
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;;
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ksh )
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profile="$HOME/.profile"
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;;
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fish )
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profile="$HOME/.config/fish/config.fish"
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;;
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* )
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profile="$HOME/.profile"
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;;
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esac
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# Display setup instruction if 'pyenv virtualenv-init -' is not found in "$profile"
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if [ -f "$profile" ] && grep -q 'pyenv init -' "$profile" && ! grep -q 'pyenv virtualenv-init -' "$profile"; then
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pyenv-virtualenv-init >&2 || true
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fi
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if [ -z "$no_shell" ]; then
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echo "pyenv shell \"${versions}\";"
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fi
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case "$shell" in
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fish )
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cat <<EOS
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set -e PYENV_DEACTIVATE;
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setenv PYENV_ACTIVATE "$(pyenv-prefix "${versions}")";
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. "\${PYENV_ACTIVATE}/bin/activate.fish";
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EOS
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;;
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* )
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cat <<EOS
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unset PYENV_DEACTIVATE;
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export PYENV_ACTIVATE="$(pyenv-prefix "${versions}")";
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source "\${PYENV_ACTIVATE}/bin/activate";
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EOS
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;;
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esac
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