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mwaterfall/python.rb

Last active Dec 23, 2015
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Homebrew Formula for Python 2.7.3 with UCS4 support
require 'formula'
class Python < Formula
homepage 'http://www.python.org'
head 'http://hg.python.org/cpython', :using => :hg, :branch => '2.7'
url 'http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tar.bz2'
sha1 '842c4e2aff3f016feea3c6e992c7fa96e49c9aa0'
option :universal
option 'quicktest', 'Run `make quicktest` after the build (for devs; may fail)'
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)"
option 'with-poll', 'Enable select.poll, which is not fully implemented on OS X (http://bugs.python.org/issue5154)'
# --with-dtrace relies on CLT as dtrace hard-codes paths to /usr
option 'with-dtrace', 'Experimental DTrace support (http://bugs.python.org/issue13405)' if MacOS::CLT.installed?
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 '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/pip', 'bin/pip-2.7'
skip_clean 'bin/easy_install', 'bin/easy_install-2.7'
resource 'setuptools' do
url 'https://pypi.python.org/packages/source/s/setuptools/setuptools-1.1.4.tar.gz'
sha1 'b8bf9c2b8a114045598f0e16681d6a63a4d6cdf9'
end
resource 'pip' do
url 'https://pypi.python.org/packages/source/p/pip/pip-1.4.1.tar.gz'
sha1 '9766254c7909af6d04739b4a7732cc29e9a48cb0'
end
def patches
p = []
p << 'https://gist.github.com/paxswill/5402840/raw/75646d5860685c8be98858288d1772f64d6d5193/pythondtrace-patch.diff' if build.with? 'dtrace'
# Patch to disable the search for Tk.framework, since Homebrew's Tk is
# a plain unix build. Remove `-lX11`, too because our Tk is "AquaTk".
p << DATA if build.with? 'brewed-tk'
p
end
def site_packages_cellar
prefix/"Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages"
end
# The HOMEBREW_PREFIX location of site-packages.
def site_packages
HOMEBREW_PREFIX/"lib/python2.7/site-packages"
end
def install
opoo 'The given option --with-poll enables a somewhat broken poll() on OS X (http://bugs.python.org/issue5154).' if build.with? 'poll'
# 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
args << '--with-dtrace' if build.with? 'dtrace'
# Build with 4-byte unicode support (UCS-4)
args << '--enable-unicode=ucs4'
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"))', '') 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
# HAVE_POLL is "broken" on OS X
# See: http://trac.macports.org/ticket/18376 and http://bugs.python.org/issue5154
inreplace 'pyconfig.h', /.*?(HAVE_POLL[_A-Z]*).*/, '#undef \1' unless build.with? "poll"
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/python').mkpath
system "make", "frameworkinstallextras", "PYTHONAPPSDIR=#{share}/python"
system "make", "quicktest" if build.include? 'quicktest'
# Post-install, fix up the site-packages so that user-installed Python
# software survives minor updates, such as going from 2.7.0 to 2.7.1:
# Remove the site-packages that Python created in its Cellar.
site_packages_cellar.rmtree
# Create a site-packages in HOMEBREW_PREFIX/lib/python2.7/site-packages
site_packages.mkpath
# Symlink the prefix site-packages into the cellar.
ln_s site_packages, site_packages_cellar
# We ship setuptools and pip and reuse the PythonDependency
# Requirement here to write the sitecustomize.py
py = PythonDependency.new("2.7")
py.binary = bin/'python'
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-0.9.5-py3.3.egg
rm_rf Dir["#{py.global_site_packages}/setuptools*"]
rm_rf Dir["#{py.global_site_packages}/distribute*"]
setup_args = [ "-s", "setup.py", "--no-user-cfg", "install", "--force", "--verbose",
"--install-scripts=#{bin}", "--install-lib=#{site_packages}" ]
resource('setuptools').stage { system py.binary, *setup_args }
resource('pip').stage { system py.binary, *setup_args }
# And now we write the distutils.cfg
cfg = prefix/"Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/distutils.cfg"
cfg.delete if cfg.exist?
cfg.write <<-EOF.undent
[global]
verbose=1
[install]
force=1
prefix=#{HOMEBREW_PREFIX}
EOF
# Work-around for that bug: http://bugs.python.org/issue18050
inreplace "#{prefix}/Frameworks/Python.framework/Versions/2.7/lib/python2.7/re.py", 'import sys', <<-EOS.undent
import sys
try:
from _sre import MAXREPEAT
except ImportError:
import _sre
_sre.MAXREPEAT = 65535 # this monkey-patches all other places of "from _sre import MAXREPEAT"'
EOS
# Fixes setting Python build flags for certain software
# See: https://github.com/mxcl/homebrew/pull/20182
# http://bugs.python.org/issue3588
inreplace "#{prefix}/Frameworks/Python.framework/Versions/2.7/lib/python2.7/config/Makefile" do |s|
s.change_make_var! "LINKFORSHARED",
"-u _PyMac_Error $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)"
end
end
def distutils_fix_superenv(args)
# This is not for building python itself but to allow Python's build tools
# (pip) to find brewed stuff when installing python packages.
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"
if build.with? 'brewed-tk'
cflags += " -I#{Formula.factory('tcl-tk').opt_prefix}/include"
ldflags += " -L#{Formula.factory('tcl-tk').opt_prefix}/lib"
end
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"
# For the Xlib.h, Python needs this header dir with the system Tk
if build.without? '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 handles that cc finds 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
<<-EOS.undent
Python demo
#{HOMEBREW_PREFIX}/share/python/Extras
Setuptools and Pip have been installed. To update them
pip install --upgrade setuptools
pip install --upgrade pip
To symlink "Idle" and the "Python Launcher" to ~/Applications
`brew linkapps`
You can install Python packages with (the outdated easy_install or)
`pip 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
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", "-c", "import sqlite3"
# Check if some other modules import. Then the linked libs are working.
system "#{bin}/python", "-c", "import Tkinter; root = Tkinter.Tk()"
end
end
__END__
# http://bugs.python.org/issue18071 (Remove this hung for 2.7.6!)
diff --git a/Lib/_osx_support.py b/Lib/_osx_support.py
--- a/Lib/_osx_support.py
+++ b/Lib/_osx_support.py
@@ -53,7 +53,7 @@ def _find_executable(executable, path=No
def _read_output(commandstring):
- """Output from succesful command execution or None"""
+ """Output from successful command execution or None"""
# Similar to os.popen(commandstring, "r").read(),
# but without actually using os.popen because that
# function is not usable during python bootstrap.
@@ -68,7 +68,7 @@ def _read_output(commandstring):
with contextlib.closing(fp) as fp:
cmd = "%s 2>/dev/null >'%s'" % (commandstring, fp.name)
- return fp.read().decode('utf-8').strip() if not os.system(cmd) else None
+ return fp.read().strip() if not os.system(cmd) else None
# X11 header find fix (and let homebrew handle this.)
diff --git a/setup.py b/setup.py
index 716f08e..66114ef 100644
--- a/setup.py
+++ b/setup.py
@@ -1810,9 +1810,6 @@ 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
@@ -1858,21 +1855,6 @@ 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':
@@ -1897,9 +1879,6 @@ 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,
@swankjesse

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