case "$OSTYPE" in
darwin*)
  PYPY_URL="https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-osx64.tar.bz2#aad9c4b7b827583e37fe8ae0f7cfe0ff"
  ;;
linux*)
  case $(uname -m) in
  i386|i486|i586|i686)
    PYPY_URL="https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-linux.tar.bz2#1a08c88642434fc2e0e4256d351f48db"
    ;;
  x86_64)
    PYPY_URL="https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-linux64.tar.bz2#201d2cce2557e40c784473b471ee1b6b"
    ;;
  esac
  ;;
cygwin*|mingw*)
  PYPY_URL="https://bitbucket.org/pypy/pypy/downloads/pypy-1.9-win32.zip#e7655066baed3c7bbbca7df617817dd5"
  ;;
esac

if [ -n "$PYPY_URL" ]; then
  install_package "pypy-1.9" "$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