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require 'formula'
class Pypy < Formula
homepage 'http://pypy.org/'
url 'https://bitbucket.org/pypy/pypy/downloads/pypy-2.1-osx64.tar.bz2'
version '2.1.0'
sha1 '6cdaa1dc0a47d9eb6d816f7d394ca46f290a1ed5'
depends_on :arch => :x86_64
resource 'setuptools' do
url 'https://pypi.python.org/packages/source/s/setuptools/setuptools-1.1.7.tar.gz'
sha1 'd1cd31a77b7c9b662c487b7c8cb37677f7733878'
end
resource 'pip' do
url 'https://pypi.python.org/packages/source/p/pip/pip-1.4.1.tar.gz'
sha1 '9766254c7909af6d04739b4a7732cc29e9a48cb0'
end
def install
rmtree 'site-packages'
# The PyPy binary install instructions suggest installing somewhere
# (like /opt) and symlinking in binaries as needed. Specifically,
# we want to avoid putting PyPy's Python.h somewhere that configure
# scripts will find it.
libexec.install Dir['*']
bin.mkpath
ln_s libexec/'bin/pypy', bin/'pypy'
# Post-install, fix up the site-packages and install-scripts folders
# so that user-installed Python software survives minor updates, such
# as going from 1.7.0 to 1.7.1.
# Create a site-packages in the prefix.
prefix_site_packages.mkpath
# Symlink the prefix site-packages into the cellar.
ln_s prefix_site_packages, libexec+'site-packages'
# Tell distutils-based installers where to put scripts
scripts_folder.mkpath
(distutils+"distutils.cfg").write <<-EOF.undent
[install]
install-scripts=#{scripts_folder}
EOF
# Install setuptools. The user can then do:
# $ easy_install pip
# $ pip install --upgrade setuptools
# to get newer versions of setuptools outside of Homebrew.
resource('setuptools').stage { system "#{libexec}/bin/pypy", "setup.py", "install" }
resource('pip').stage { system "#{libexec}/bin/pypy", "setup.py", "install" }
# Symlink to easy_install_pypy.
unless (scripts_folder+'easy_install_pypy').exist?
ln_s "#{scripts_folder}/easy_install", "#{scripts_folder}/easy_install_pypy"
end
# Symlink to pip_pypy.
unless (scripts_folder+'pip_pypy').exist?
ln_s "#{scripts_folder}/pip", "#{scripts_folder}/pip_pypy"
end
end
def caveats; <<-EOS.undent
A "distutils.cfg" has been written to:
#{distutils}
specifing the install-scripts folder as:
#{scripts_folder}
If you install Python packages via "pypy setup.py install", easy_install_pypy,
pip_pypy, any provided scripts will go into the install-scripts folder above,
so you may want to add it to your PATH *after* the `$(brew --prefix)/bin`
so you don't overwrite tools from CPython.
Setuptools has been installed, so easy_install is available.
To update setuptools itself outside of Homebrew:
#{scripts_folder}/easy_install pip
#{scripts_folder}/pip install --upgrade setuptools
See: https://github.com/mxcl/homebrew/wiki/Homebrew-and-Python
EOS
end
# The HOMEBREW_PREFIX location of site-packages
def prefix_site_packages
HOMEBREW_PREFIX+"lib/pypy/site-packages"
end
# Where setuptools will install executable scripts
def scripts_folder
HOMEBREW_PREFIX+"share/pypy"
end
# The Cellar location of distutils
def distutils
libexec+"lib-python/2.7/distutils"
end
end
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