pkg:setup
rm_f %W[#{HOMEBREW_PREFIX}/bin/easy_install #{HOMEBREW_PREFIX}/bin/pip #{HOMEBREW_PREFIX}/bin/wheel ]
site_packages.mkpath
site_packages_cellar.unlink if site_packages_cellar.exist?
site_packages_cellar.parent.install_symlink site_packages
rm_rf Dir["#{site_packages}/sitecustomize.py[co]"]
(site_packages/"sitecustomize.py").atomic_write(sitecustomize)
rm_rf Dir["#{site_packages}/setuptools*"]
rm_rf Dir["#{site_packages}/distribute*"]
rm_rf Dir["#{site_packages}/pip[-_.][0-9]*", "#{site_packages}/pip"]
setup_args = ["-s", "setup.py", "--no-user-cfg", "install", "--force", "--verbose", "--single-version-externally-managed", "--record=installed.txt", "--install-scripts=#{bin}", "--install-lib=#{site_packages}"]
(libexec/"setuptools").cd { system "#{bin}/python", *setup_args }
(libexec/"pip").cd { system "#{bin}/python", *setup_args }
(libexec/"wheel").cd { system "#{bin}/python", *setup_args }
%w[pip pip2 pip2.7 easy_install easy_install-2.7 wheel].each do |e|
(HOMEBREW_PREFIX/"bin").install_symlink bin/e