case "$OSTYPE" in
darwin*)
  PYPY_URL="https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-osx64.tar.bz2#1c293253e8e4df411c3dd59dff82a663"
  ;;
linux*)
  case $(uname -m) in
  i386|i486|i586|i686)
    PYPY_URL="https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-linux.tar.bz2#c4a1d11e0283a390d9e9b801a4633b9f"
    ;;
  x86_64)
    PYPY_URL="https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-linux64.tar.bz2#3b81363ccbc042dfdda2fabbf419e788"
    ;;
  esac
  ;;
cygwin*|mingw*)
  PYPY_URL="https://bitbucket.org/pypy/pypy/downloads/pypy-1.8-win32.zip#1af8ee722721e9f5fd06b61af530ecb3"
  ;;
esac

if [ -n "$PYPY_URL" ]; then
  install_package "pypy-1.8" "$PYPY_URL" pypy
  install_package "distribute-0.6.34" "http://pypi.python.org/packages/source/d/distribute/distribute-0.6.34.tar.gz#4576ab843a6db5100fb22a72deadf56d" python
  install_package "pip-1.2.1" "http://pypi.python.org/packages/source/p/pip/pip-1.2.1.tar.gz#db8a6d8a4564d3dc7f337ebed67b1a85" python
fi