case "$(uname -s)" in
"Darwin" )
  install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux.tar.bz2#e666450bcfbd936b016a2dd7312f9853" "pypy" verify_py27
  ;;
"Linux" )
  case "$(uname -m)" in
  "i386" | "i486" | "i586" | "i686" | "i786" )
    install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux.tar.bz2#8d11952e0356ea751321e7d2a1d4f17a" "pypy" verify_py27
  ;;
  "x86_64" )
    install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux64.tar.bz2#5c11d727579443d0834caadb4dfe53e3" "pypy" verify_py27
  esac
  ;;
"CYGWIN"* | "MINGW"* )
  # FIXME: never tested on Windows
  install_zip "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-win32.zip#4c40b19ea1ec5c8c8c2a1f94f59bdf02" "pypy" verify_py27
  ;;
* )
  { echo "Precompiled binary of pypy-2.0.1 is not available for $(uname -s)-$(uname -m)."
    echo "To build pypy-2.0.1 from soruce, use 'pypy-2.0.1-src'."
  } 1>&4 2>&1
  false
  ;;
esac

install_package "setuptools-2.0" "https://pypi.python.org/packages/source/s/setuptools/setuptools-2.0.tar.gz#887cdf417bc5d25326c66bb98c0dd160" python
install_package "pip-1.4.1" "https://pypi.python.org/packages/source/p/pip/pip-1.4.1.tar.gz#6afbb46aeb48abac658d4df742bff714" python