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homebrew-core/Formula/python.rb
Mike McQuaid 82dbbfb4b1 Update documentation after repository split.
2016-04-03 13:48:24 +01:00

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class Python < Formula
desc "Interpreted, interactive, object-oriented programming language"
homepage "https://www.python.org"
head "https://hg.python.org/cpython", :using => :hg, :branch => "2.7"
url "https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tgz"
sha256 "82929b96fd6afc8da838b149107078c02fa1744b7e60999a8babbc0d3fa86fc6"
bottle do
revision 2
sha256 "990c30084e9c55ee708db3f2a5f15984dc44406473002ef97c11b183566abacb" => :el_capitan
sha256 "301c5cef9bc3b8afc6e4a35b92f75739eecae0a9407f8ee39d3af83ce5425f2f" => :yosemite
sha256 "f9c35b48fd15a35b1ac69f36deff4f403e4839ca8f6a8b7fe2311da8c17397c3" => :mavericks
end
# Please don't add a wide/ucs4 option as it won't be accepted.
# More details in: https://github.com/Homebrew/homebrew/pull/32368
option :universal
option "with-quicktest", "Run `make quicktest` after the build (for devs; may fail)"
option "with-tcl-tk", "Use Homebrew's Tk instead of OS X Tk (has optional Cocoa and threads support)"
option "with-poll", "Enable select.poll, which is not fully implemented on OS X (https://bugs.python.org/issue5154)"
deprecated_option "quicktest" => "with-quicktest"
deprecated_option "with-brewed-tk" => "with-tcl-tk"
depends_on "pkg-config" => :build
depends_on "readline" => :recommended
depends_on "sqlite" => :recommended
depends_on "gdbm" => :recommended
depends_on "openssl"
depends_on "homebrew/dupes/tcl-tk" => :optional
depends_on "berkeley-db4" => :optional
depends_on :x11 if build.with?("tcl-tk") && Tab.for_name("homebrew/dupes/tcl-tk").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-19.4.tar.gz"
sha256 "214bf29933f47cf25e6faa569f710731728a07a19cae91ea64f826051f68a8cf"
end
resource "pip" do
url "https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz"
sha256 "46f4bd0d8dfd51125a554568d646fe4200a3c2c6c36b9f2d06d2212148439521"
end
resource "wheel" do
url "https://pypi.python.org/packages/source/w/wheel/wheel-0.26.0.tar.gz"
sha256 "eaad353805c180a47545a256e6508835b65a8e830ba1093ed8162f19a50a530c"
end
# Patch for pyport.h macro issue
# https://bugs.python.org/issue10910
# https://trac.macports.org/ticket/44288
patch do
url "https://bugs.python.org/file30805/issue10910-workaround.txt"
sha256 "c075353337f9ff3ccf8091693d278782fcdff62c113245d8de43c5c7acc57daf"
end
# 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".
patch :DATA if build.with? "tcl-tk"
# Fix extension module builds against Xcode 7 SDKs
# https://github.com/Homebrew/homebrew/issues/41085
# https://bugs.python.org/issue25136
patch do
url "https://bugs.python.org/file40479/xcode-stubs-2.7.patch"
sha256 "86714b750c887065952cd556f4d23246edf3124384f579356c8e377bc6ff2f83"
end
def lib_cellar
prefix/"Frameworks/Python.framework/Versions/2.7/lib/python2.7"
end
def site_packages_cellar
lib_cellar/"site-packages"
end
# The HOMEBREW_PREFIX location of site-packages.
def site_packages
HOMEBREW_PREFIX/"lib/python2.7/site-packages"
end
# setuptools remembers the build flags python is built with and uses them to
# build packages later. Xcode-only systems need different flags.
pour_bottle? do
reason "The bottle needs the Xcode CLT to be installed."
satisfy { MacOS::CLT.installed? }
end
def install
if build.with? "poll"
opoo "The given option --with-poll enables a somewhat broken poll() on OS X (https://bugs.python.org/issue5154)."
end
# 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=#{frameworks}
--without-ensurepip
]
args << "--without-gcc" if ENV.compiler == :clang
cflags = []
ldflags = []
cppflags = []
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}"
cppflags << "-I#{MacOS.sdk_path}/usr/include" # find zlib
# For the Xlib.h, Python needs this header dir with the system Tk
if build.without? "tcl-tk"
cflags << "-I#{MacOS.sdk_path}/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers"
end
end
# Avoid linking to libgcc https://code.activestate.com/lists/python-dev/112195/
args << "MACOSX_DEPLOYMENT_TARGET=#{MacOS.version}"
# We want our readline and openssl! This is just to outsmart the detection code,
# superenv handles that cc finds includes/libs!
inreplace "setup.py" do |s|
s.gsub! "do_readline = self.compiler.find_library_file(lib_dirs, 'readline')",
"do_readline = '#{Formula["readline"].opt_lib}/libhistory.dylib'"
s.gsub! "/usr/local/ssl", Formula["openssl"].opt_prefix
s.gsub! "/usr/include/db4", Formula["berkeley-db4"].opt_include
end
if build.universal?
ENV.universal_binary
args << "--enable-universalsdk=/" << "--with-universal-archs=intel"
end
# Allow sqlite3 module to load extensions:
# https://docs.python.org/library/sqlite3.html#f1
if build.with? "sqlite"
inreplace("setup.py", 'sqlite_defines.append(("SQLITE_OMIT_LOAD_EXTENSION", "1"))', "")
end
# 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? "tcl-tk"
tcl_tk = Formula["homebrew/dupes/tcl-tk"].opt_prefix
cppflags << "-I#{tcl_tk}/include"
ldflags << "-L#{tcl_tk}/lib"
end
args << "CFLAGS=#{cflags.join(" ")}" unless cflags.empty?
args << "LDFLAGS=#{ldflags.join(" ")}" unless ldflags.empty?
args << "CPPFLAGS=#{cppflags.join(" ")}" unless cppflags.empty?
system "./configure", *args
# HAVE_POLL is "broken" on OS X. See:
# https://trac.macports.org/ticket/18376
# https://bugs.python.org/issue5154
if build.without? "poll"
inreplace "pyconfig.h", /.*?(HAVE_POLL[_A-Z]*).*/, '#undef \1'
end
system "make"
ENV.deparallelize # installs must be serialized
# Tell Python not to install into /Applications
system "make", "install", "PYTHONAPPSDIR=#{prefix}"
# Demos and Tools
system "make", "frameworkinstallextras", "PYTHONAPPSDIR=#{share}/python"
system "make", "quicktest" if build.with? "quicktest"
# Symlink the pkgconfig files into HOMEBREW_PREFIX so they're accessible.
(lib/"pkgconfig").install_symlink Dir["#{frameworks}/Python.framework/Versions/Current/lib/pkgconfig/*"]
# Fixes setting Python build flags for certain software
# See: https://github.com/Homebrew/homebrew/pull/20182
# https://bugs.python.org/issue3588
inreplace lib_cellar/"config/Makefile" do |s|
s.change_make_var! "LINKFORSHARED",
"-u _PyMac_Error $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)"
end
# Remove the site-packages that Python created in its Cellar.
site_packages_cellar.rmtree
(libexec/"setuptools").install resource("setuptools")
(libexec/"pip").install resource("pip")
(libexec/"wheel").install resource("wheel")
end
def 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:
# Create a site-packages in HOMEBREW_PREFIX/lib/python2.7/site-packages
site_packages.mkpath
# Symlink the prefix site-packages into the cellar.
site_packages_cellar.unlink if site_packages_cellar.exist?
site_packages_cellar.parent.install_symlink site_packages
# Write our sitecustomize.py
rm_rf Dir["#{site_packages}/sitecustomize.py[co]"]
(site_packages/"sitecustomize.py").atomic_write(sitecustomize)
# 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["#{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 }
# When building from source, these symlinks will not exist, since
# post_install happens after linking.
%w[pip pip2 pip2.7 easy_install easy_install-2.7 wheel].each do |e|
(HOMEBREW_PREFIX/"bin").install_symlink bin/e
end
# Help distutils find brewed stuff when building extensions
include_dirs = [HOMEBREW_PREFIX/"include", Formula["openssl"].opt_include]
library_dirs = [HOMEBREW_PREFIX/"lib", Formula["openssl"].opt_lib]
if build.with? "sqlite"
include_dirs << Formula["sqlite"].opt_include
library_dirs << Formula["sqlite"].opt_lib
end
if build.with? "tcl-tk"
include_dirs << Formula["homebrew/dupes/tcl-tk"].opt_include
library_dirs << Formula["homebrew/dupes/tcl-tk"].opt_lib
end
cfg = lib_cellar/"distutils/distutils.cfg"
cfg.atomic_write <<-EOF.undent
[install]
prefix=#{HOMEBREW_PREFIX}
[build_ext]
include_dirs=#{include_dirs.join ":"}
library_dirs=#{library_dirs.join ":"}
EOF
end
def sitecustomize
<<-EOF.undent
# This file is created by Homebrew and is executed on each python startup.
# Don't print from here, or else python command line scripts may fail!
# <https://github.com/Homebrew/brew/blob/master/share/doc/homebrew/Homebrew-and-Python.md>
import re
import os
import sys
if sys.version_info[0] != 2:
# This can only happen if the user has set the PYTHONPATH for 3.x and run Python 2.x or vice versa.
# Every Python looks at the PYTHONPATH variable and we can't fix it here in sitecustomize.py,
# because the PYTHONPATH is evaluated after the sitecustomize.py. Many modules (e.g. PyQt4) are
# built only for a specific version of Python and will fail with cryptic error messages.
# In the end this means: Don't set the PYTHONPATH permanently if you use different Python versions.
exit('Your PYTHONPATH points to a site-packages dir for Python 2.x but you are running Python ' +
str(sys.version_info[0]) + '.x!\\n PYTHONPATH is currently: "' + str(os.environ['PYTHONPATH']) + '"\\n' +
' You should `unset PYTHONPATH` to fix this.')
# Only do this for a brewed python:
if os.path.realpath(sys.executable).startswith('#{rack}'):
# Shuffle /Library site-packages to the end of sys.path and reject
# paths in /System pre-emptively (#14712)
library_site = '/Library/Python/2.7/site-packages'
library_packages = [p for p in sys.path if p.startswith(library_site)]
sys.path = [p for p in sys.path if not p.startswith(library_site) and
not p.startswith('/System')]
# .pth files have already been processed so don't use addsitedir
sys.path.extend(library_packages)
# the Cellar site-packages is a symlink to the HOMEBREW_PREFIX
# site_packages; prefer the shorter paths
long_prefix = re.compile(r'#{rack}/[0-9\._abrc]+/Frameworks/Python\.framework/Versions/2\.7/lib/python2\.7/site-packages')
sys.path = [long_prefix.sub('#{site_packages}', p) for p in sys.path]
# LINKFORSHARED (and python-config --ldflags) return the
# full path to the lib (yes, "Python" is actually the lib, not a
# dir) so that third-party software does not need to add the
# -F/#{HOMEBREW_PREFIX}/Frameworks switch.
try:
from _sysconfigdata import build_time_vars
build_time_vars['LINKFORSHARED'] = '-u _PyMac_Error #{opt_prefix}/Frameworks/Python.framework/Versions/2.7/Python'
except:
pass # remember: don't print here. Better to fail silently.
# Set the sys.executable to use the opt_prefix
sys.executable = '#{opt_bin}/python2.7'
EOF
end
def caveats; <<-EOS.undent
Pip and setuptools have been installed. To update them
pip install --upgrade pip setuptools
You can install Python packages with
pip install <package>
They will install into the site-package directory
#{site_packages}
See: https://github.com/Homebrew/brew/blob/master/share/doc/homebrew/Homebrew-and-Python.md
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()"
system bin/"pip", "list"
end
end
__END__
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,
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