require 'formula' # This formula is for Python version 3.2. # Python 2.7.1 is available as a separate formula: # $ brew install python # Was a Framework build requested? def build_framework?; ARGV.include? '--framework'; end # Are we installed or installing as a Framework? def as_framework? (self.installed? and File.exists? prefix+"Frameworks/Python.framework") or build_framework? end class Python3 < Formula url 'http://python.org/ftp/python/3.2.1/Python-3.2.1.tar.bz2' homepage 'http://www.python.org/' md5 'f0869ba3f3797aacb1f954ef24c256f3' depends_on 'readline' => :optional # Prefer over OS X's libedit depends_on 'sqlite' => :optional # Prefer over OS X's older version depends_on 'gdbm' => :optional def options [ ["--framework", "Do a 'Framework' build instead of a UNIX-style build."], ["--universal", "Build for both 32 & 64 bit Intel."], ["--static", "Build static libraries."] ] end skip_clean ['bin', 'lib'] # The Cellar location of site-packages # This location is different for Framework builds def site_packages if as_framework? # If we're installed or installing as a Framework, then use that location. return prefix+"Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages" else # Otherwise, use just the lib path. return lib+"python3.2/site-packages" end end # The HOMEBREW_PREFIX location of site-packages # We write a .pth file in the Cellar site-packages to here def prefix_site_packages HOMEBREW_PREFIX+"lib/python3.2/site-packages" end def install # --with-computed-gotos requires addressable labels in C. # Both gcc and LLVM support this, so switch it on. args = ["--prefix=#{prefix}", "--with-computed-gotos"] if ARGV.build_universal? args << "--enable-universalsdk=/" << "--with-universal-archs=intel" end if build_framework? args << "--enable-framework=#{prefix}/Frameworks" else args << "--enable-shared" unless ARGV.include? '--static' end system "./configure", *args system "make" ENV.j1 # Installs must be serialized system "make install" # Add the Homebrew prefix path to site-packages via a .pth prefix_site_packages.mkpath (site_packages+"homebrew.pth").write prefix_site_packages end def caveats; <<-EOS.undent Apple's Tcl/Tk is not recommended for use with 64-bit Python. For more information see: http://www.python.org/download/mac/tcltk/ The site-packages folder for this Python is: #{site_packages} We've added a "homebrew.pth" file to also include: #{prefix_site_packages} EOS end end