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homebrew-core/Formula/python3.rb
Mike Goodspeed 8de2793dbe python setuptools 1.1.7 
Closes Homebrew/homebrew#23864.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
2013-11-01 21:08:40 -07:00

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require 'formula'
# Python3 is the new language standard, not just a new revision.
# It's somewhat incompatible with Python 2.x, therefore, the executable
# "python" will always point to the 2.x version which you can get by
# `brew install python`.
class Python3 < Formula
homepage 'http://www.python.org/'
url 'http://python.org/ftp/python/3.3.2/Python-3.3.2.tar.bz2'
sha1 'b28c36a9752b690059dc6df4fb9b4ec9d6c5708a'
VER='3.3' # The <major>.<minor> is used so often.
head 'http://hg.python.org/cpython', :using => :hg, :branch => VER
option :universal
option 'quicktest', 'Run `make quicktest` after the build'
option 'with-brewed-openssl', "Use Homebrew's openSSL instead of the one from OS X"
option 'with-brewed-tk', "Use Homebrew's Tk (has optional Cocoa and threads support)"
depends_on 'pkg-config' => :build
depends_on 'readline' => :recommended
depends_on 'sqlite' => :recommended
depends_on 'gdbm' => :recommended
depends_on 'openssl' if build.with? 'brewed-openssl'
depends_on 'xz' => :recommended # for the lzma module added in 3.3
depends_on 'homebrew/dupes/tcl-tk' if build.with? 'brewed-tk'
depends_on :x11 if build.with? 'brewed-tk' and Tab.for_name('tcl-tk').used_options.include?('with-x11')
skip_clean "bin/pip3", "bin/pip-#{VER}"
skip_clean "bin/easy_install3", "bin/easy_install-#{VER}"
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 patches
DATA if build.with? 'brewed-tk'
end
def site_packages_cellar
prefix/"Frameworks/Python.framework/Versions/#{VER}/lib/python#{VER}/site-packages"
end
# The HOMEBREW_PREFIX location of site-packages.
def site_packages
HOMEBREW_PREFIX/"lib/python#{VER}/site-packages"
end
fails_with :llvm do
build '2336'
cause <<-EOS.undent
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
python.exe(14122) malloc: *** mmap(size=7310873954244194304) failed (error code=12)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug
Could not import runpy module
make: *** [pybuilddir.txt] Segmentation fault: 11
EOS
end
def install
# Unset these so that installing pip and setuptools puts them where we want
# and not into some other Python the user has installed.
ENV['PYTHONHOME'] = nil
ENV['PYTHONPATH'] = nil
args = %W[
--prefix=#{prefix}
--enable-ipv6
--datarootdir=#{share}
--datadir=#{share}
--enable-framework=#{prefix}/Frameworks]
args << '--without-gcc' if ENV.compiler == :clang
if superenv?
distutils_fix_superenv(args)
else
distutils_fix_stdenv
end
if build.universal?
ENV.universal_binary
args << "--enable-universalsdk" << "--with-universal-archs=intel"
end
# Allow sqlite3 module to load extensions: http://docs.python.org/library/sqlite3.html#f1
inreplace("setup.py", 'sqlite_defines.append(("SQLITE_OMIT_LOAD_EXTENSION", "1"))', 'pass') if build.with? 'sqlite'
# Allow python modules to use ctypes.find_library to find homebrew's stuff
# even if homebrew is not a /usr/local/lib. Try this with:
# `brew install enchant && pip install pyenchant`
inreplace "./Lib/ctypes/macholib/dyld.py" do |f|
f.gsub! 'DEFAULT_LIBRARY_FALLBACK = [', "DEFAULT_LIBRARY_FALLBACK = [ '#{HOMEBREW_PREFIX}/lib',"
f.gsub! 'DEFAULT_FRAMEWORK_FALLBACK = [', "DEFAULT_FRAMEWORK_FALLBACK = [ '#{HOMEBREW_PREFIX}/Frameworks',"
end
if build.with? 'brewed-tk'
ENV.append 'CPPFLAGS', "-I#{Formula.factory('tcl-tk').opt_prefix}/include"
ENV.append 'LDFLAGS', "-L#{Formula.factory('tcl-tk').opt_prefix}/lib"
end
system "./configure", *args
system "make"
ENV.deparallelize # Installs must be serialized
# Tell Python not to install into /Applications (default for framework builds)
system "make", "install", "PYTHONAPPSDIR=#{prefix}"
# Demos and Tools
(HOMEBREW_PREFIX/'share/python3').mkpath
system "make", "frameworkinstallextras", "PYTHONAPPSDIR=#{share}/python3"
system "make", "quicktest" if build.include? "quicktest"
# Any .app get a " 3" attached, so it does not conflict with python 2.x.
Dir.glob(prefix/"*.app").each do |app|
mv app, app.gsub(".app", " 3.app")
end
# Post-install, fix up the site-packages so that user-installed Python
# software survives minor updates, such as going from 3.3.2 to 3.3.3:
# Remove the site-packages that Python created in its Cellar.
site_packages_cellar.rmtree
# Create a site-packages in HOMEBREW_PREFIX/lib/python#{VER}/site-packages
site_packages.mkpath
# Symlink the prefix site-packages into the cellar.
ln_s site_packages, site_packages_cellar
# "python3" executable is forgotten for framework builds.
# Make sure homebrew symlinks it to HOMEBREW_PREFIX/bin.
ln_s "#{bin}/python#{VER}", "#{bin}/python3" unless (bin/"python3").exist?
# We ship setuptools and pip and reuse the PythonDependency
# Requirement here to write the sitecustomize.py
py = PythonDependency.new(VER)
py.binary = bin/"python#{VER}"
py.modify_build_environment
# Remove old setuptools installations that may still fly around and be
# listed in the easy_install.pth. This can break setuptools build with
# zipimport.ZipImportError: bad local file header
# setuptools-0.9.8-py3.3.egg
rm_rf Dir["#{py.global_site_packages}/setuptools*"]
rm_rf Dir["#{py.global_site_packages}/distribute*"]
setup_args = [ "-s", "setup.py", "install", "--force", "--verbose",
"--install-scripts=#{bin}", "--install-lib=#{site_packages}" ]
resource('setuptools').stage { system py.binary, *setup_args }
mv bin/'easy_install', bin/'easy_install3'
resource('pip').stage { system py.binary, *setup_args }
mv bin/'pip', bin/'pip3'
# And now we write the distutils.cfg
cfg = prefix/"Frameworks/Python.framework/Versions/#{VER}/lib/python#{VER}/distutils/distutils.cfg"
cfg.delete if cfg.exist?
cfg.write <<-EOF.undent
[global]
verbose=1
[install]
prefix=#{HOMEBREW_PREFIX}
EOF
# A fix, because python and python3 both want to install Python.framework
# and therefore we can't link both into HOMEBREW_PREFIX/Frameworks
# https://github.com/mxcl/homebrew/issues/15943
["Headers", "Python", "Resources"].each{ |f| rm(prefix/"Frameworks/Python.framework/#{f}") }
rm prefix/"Frameworks/Python.framework/Versions/Current"
end
def distutils_fix_superenv(args)
# To allow certain Python bindings to find brewed software (and sqlite):
cflags = "CFLAGS=-I#{HOMEBREW_PREFIX}/include -I#{Formula.factory('sqlite').opt_prefix}/include"
ldflags = "LDFLAGS=-L#{HOMEBREW_PREFIX}/lib -L#{Formula.factory('sqlite').opt_prefix}/lib"
unless MacOS::CLT.installed?
# Help Python's build system (setuptools/pip) to build things on Xcode-only systems
# The setup.py looks at "-isysroot" to get the sysroot (and not at --sysroot)
cflags += " -isysroot #{MacOS.sdk_path}"
ldflags += " -isysroot #{MacOS.sdk_path}"
# Same zlib.h-not-found-bug as in env :std (see below)
args << "CPPFLAGS=-I#{MacOS.sdk_path}/usr/include"
unless build.with? 'brewed-tk'
cflags += " -I#{MacOS.sdk_path}/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers"
end
end
args << cflags
args << ldflags
# Avoid linking to libgcc http://code.activestate.com/lists/python-dev/112195/
args << "MACOSX_DEPLOYMENT_TARGET=#{MacOS.version}"
# We want our readline! This is just to outsmart the detection code,
# superenv makes cc always find includes/libs!
inreplace "setup.py",
"do_readline = self.compiler.find_library_file(lib_dirs, 'readline')",
"do_readline = '#{HOMEBREW_PREFIX}/opt/readline/lib/libhistory.dylib'"
end
def distutils_fix_stdenv()
# Python scans all "-I" dirs but not "-isysroot", so we add
# the needed includes with "-I" here to avoid this err:
# building dbm using ndbm
# error: /usr/include/zlib.h: No such file or directory
ENV.append 'CPPFLAGS', "-I#{MacOS.sdk_path}/usr/include" unless MacOS::CLT.installed?
# Don't use optimizations other than "-Os" here, because Python's distutils
# remembers (hint: `python3-config --cflags`) and reuses them for C
# extensions which can break software (such as scipy 0.11 fails when
# "-msse4" is present.)
ENV.minimal_optimization
# We need to enable warnings because the configure.in uses -Werror to detect
# "whether gcc supports ParseTuple" (https://github.com/mxcl/homebrew/issues/12194)
ENV.enable_warnings
if ENV.compiler == :clang
# http://docs.python.org/devguide/setup.html#id8 suggests to disable some Warnings.
ENV.append_to_cflags '-Wno-unused-value'
ENV.append_to_cflags '-Wno-empty-body'
ENV.append_to_cflags '-Qunused-arguments'
end
end
def caveats
text = <<-EOS.undent
Setuptools and Pip have been installed. To update them
pip3 install --upgrade setuptools
pip3 install --upgrade pip
To symlink "Idle 3" and the "Python Launcher 3" to ~/Applications
`brew linkapps`
You can install Python packages with
`pip3 install <your_favorite_package>`
They will install into the site-package directory
#{site_packages}
See: https://github.com/mxcl/homebrew/wiki/Homebrew-and-Python
EOS
# Tk warning only for 10.6
tk_caveats = <<-EOS.undent
Apple's Tcl/Tk is not recommended for use with Python on Mac OS X 10.6.
For more information see: http://www.python.org/download/mac/tcltk/
EOS
text += tk_caveats unless MacOS.version >= :lion
return text
end
test do
# Check if sqlite is ok, because we build with --enable-loadable-sqlite-extensions
# and it can occur that building sqlite silently fails if OSX's sqlite is used.
system "#{bin}/python#{VER}", "-c", "import sqlite3"
# Check if some other modules import. Then the linked libs are working.
system "#{bin}/python#{VER}", "-c", "import tkinter; root = tkinter.Tk()"
end
end
__END__
# Homebrew's tcl-tk is build in a standard unix fashion (due to link errors)
# and we have to stop python from searching for frameworks and link against
# X11.
diff --git a/setup.py b/setup.py
index d4183d4..9f69520 100644
--- a/setup.py
+++ b/setup.py
@@ -1623,9 +1623,6 @@ class PyBuildExt(build_ext):
# Rather than complicate the code below, detecting and building
# AquaTk is a separate method. Only one Tkinter will be built on
# Darwin - either AquaTk, if it is found, or X11 based Tk.
- if (host_platform == 'darwin' and
- self.detect_tkinter_darwin(inc_dirs, lib_dirs)):
- return
# Assume we haven't found any of the libraries or include files
# The versions with dots are used on Unix, and the versions without
@@ -1671,21 +1668,6 @@ class PyBuildExt(build_ext):
if dir not in include_dirs:
include_dirs.append(dir)
- # Check for various platform-specific directories
- if host_platform == 'sunos5':
- include_dirs.append('/usr/openwin/include')
- added_lib_dirs.append('/usr/openwin/lib')
- elif os.path.exists('/usr/X11R6/include'):
- include_dirs.append('/usr/X11R6/include')
- added_lib_dirs.append('/usr/X11R6/lib64')
- added_lib_dirs.append('/usr/X11R6/lib')
- elif os.path.exists('/usr/X11R5/include'):
- include_dirs.append('/usr/X11R5/include')
- added_lib_dirs.append('/usr/X11R5/lib')
- else:
- # Assume default location for X11
- include_dirs.append('/usr/X11/include')
- added_lib_dirs.append('/usr/X11/lib')
# If Cygwin, then verify that X is installed before proceeding
if host_platform == 'cygwin':
@@ -1710,10 +1692,6 @@ class PyBuildExt(build_ext):
if host_platform in ['aix3', 'aix4']:
libs.append('ld')
- # Finally, link with the X11 libraries (not appropriate on cygwin)
- if host_platform != "cygwin":
- libs.append('X11')
-
ext = Extension('_tkinter', ['_tkinter.c', 'tkappinit.c'],
define_macros=[('WITH_APPINIT', 1)] + defs,
include_dirs = include_dirs,
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