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python@3.7: add Linux build

master
lexicol 2021-03-06 13:37:45 -08:00 committed by Bo Anderson
parent f7c3c5df5a
commit 3d5dd46be5
1 changed files with 92 additions and 53 deletions
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145
Formula/python@3.7.rb
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@ -20,12 +20,14 @@ class PythonAT37 < Formula
# 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 <<~EOS
The bottle needs the Apple Command Line Tools to be installed.
You can install them, if desired, with:
xcode-select --install
EOS
satisfy { MacOS::CLT.installed? }
on_macos do
reason <<~EOS
The bottle needs the Apple Command Line Tools to be installed.
You can install them, if desired, with:
xcode-select --install
EOS
satisfy { MacOS::CLT.installed? }
end
end
keg_only :versioned_formula
@ -42,6 +44,7 @@ class PythonAT37 < Formula
uses_from_macos "bzip2"
uses_from_macos "libffi"
uses_from_macos "ncurses"
uses_from_macos "xz"
uses_from_macos "zlib"
skip_clean "bin/pip3", "bin/pip-3.4", "bin/pip-3.5", "bin/pip-3.6", "bin/pip-3.7"
@ -88,6 +91,24 @@ class PythonAT37 < Formula
sha256 "aa9a3002420079a7d2c6033d80b49038d490984a9ddb3d1195bb48ca7fb4a1f0"
end
def lib_cellar
on_macos do
return prefix/"Frameworks/Python.framework/Versions/#{version.major_minor}/lib/python#{version.major_minor}"
end
on_linux do
return prefix/"lib/python#{version.major_minor}"
end
end
def site_packages_cellar
lib_cellar/"site-packages"
end
# The HOMEBREW_PREFIX location of site-packages.
def site_packages
HOMEBREW_PREFIX/"lib/python#{version.major_minor}/site-packages"
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.
@ -99,24 +120,32 @@ class PythonAT37 < Formula
ENV["PYTHON_DECIMAL_WITH_MACHINE"] = "x64"
end
xy = (buildpath/"configure.ac").read.slice(/PYTHON_VERSION, (3\.\d)/, 1)
lib_cellar = prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}"
args = %W[
--prefix=#{prefix}
--enable-ipv6
--datarootdir=#{share}
--datadir=#{share}
--enable-framework=#{frameworks}
--enable-loadable-sqlite-extensions
--without-ensurepip
--with-dtrace
--with-openssl=#{Formula["openssl@1.1"].opt_prefix}
--with-system-libmpdec
]
args << "--without-gcc" if ENV.compiler == :clang
on_macos do
args << "--enable-framework=#{frameworks}"
args << "--with-dtrace"
end
on_linux do
args << "--enable-shared"
# Required for the _ctypes module
# see https://github.com/Linuxbrew/homebrew-core/pull/1007#issuecomment-252421573
args << "--with-system-ffi"
end
cflags = []
ldflags = []
cppflags = []
@ -134,6 +163,14 @@ class PythonAT37 < Formula
# Avoid linking to libgcc https://mail.python.org/pipermail/python-dev/2012-February/116205.html
args << "MACOSX_DEPLOYMENT_TARGET=#{MacOS.version}"
# Python's setup.py parses CPPFLAGS and LDFLAGS to learn search
# paths for the dependencies of the compiled extension modules.
# See Linuxbrew/linuxbrew#420, Linuxbrew/linuxbrew#460, and Linuxbrew/linuxbrew#875
on_linux do
cppflags << ENV.cppflags << " -I#{HOMEBREW_PREFIX}/include"
ldflags << ENV.ldflags << " -L#{HOMEBREW_PREFIX}/lib"
end
# We want our readline! This is just to outsmart the detection code,
# superenv makes cc always find includes/libs!
inreplace "setup.py",
@ -164,33 +201,45 @@ class PythonAT37 < Formula
ENV.deparallelize do
# Tell Python not to install into /Applications (default for framework builds)
system "make", "install", "PYTHONAPPSDIR=#{prefix}"
system "make", "frameworkinstallextras", "PYTHONAPPSDIR=#{pkgshare}"
on_macos do
system "make", "frameworkinstallextras", "PYTHONAPPSDIR=#{pkgshare}"
end
end
# Any .app get a " 3" attached, so it does not conflict with python 2.x.
Dir.glob("#{prefix}/*.app") { |app| mv app, app.sub(/\.app$/, " 3.app") }
# Prevent third-party packages from building against fragile Cellar paths
inreplace Dir[lib_cellar/"**/_sysconfigdata_m_darwin_darwin.py",
lib_cellar/"config*/Makefile",
frameworks/"Python.framework/Versions/3*/lib/pkgconfig/python-3.?.pc"],
prefix, opt_prefix
on_macos do
# Prevent third-party packages from building against fragile Cellar paths
inreplace Dir[lib_cellar/"**/_sysconfigdata_m_darwin_darwin.py",
lib_cellar/"config*/Makefile",
frameworks/"Python.framework/Versions/3*/lib/pkgconfig/python-3.?.pc"],
prefix, opt_prefix
# Help third-party packages find the Python framework
inreplace Dir[lib_cellar/"config*/Makefile"],
/^LINKFORSHARED=(.*)PYTHONFRAMEWORKDIR(.*)/,
"LINKFORSHARED=\\1PYTHONFRAMEWORKINSTALLDIR\\2"
# Help third-party packages find the Python framework
inreplace Dir[lib_cellar/"config*/Makefile"],
/^LINKFORSHARED=(.*)PYTHONFRAMEWORKDIR(.*)/,
"LINKFORSHARED=\\1PYTHONFRAMEWORKINSTALLDIR\\2"
# Fix for https://github.com/Homebrew/homebrew-core/issues/21212
inreplace Dir[lib_cellar/"**/_sysconfigdata_m_darwin_darwin.py"],
%r{('LINKFORSHARED': .*?)'(Python.framework/Versions/3.\d+/Python)'}m,
"\\1'#{opt_prefix}/Frameworks/\\2'"
# Fix for https://github.com/Homebrew/homebrew-core/issues/21212
inreplace Dir[lib_cellar/"**/_sysconfigdata_m_darwin_darwin.py"],
%r{('LINKFORSHARED': .*?)'(Python.framework/Versions/3.\d+/Python)'}m,
"\\1'#{opt_prefix}/Frameworks/\\2'"
end
on_linux do
# Prevent third-party packages from building against fragile Cellar paths
inreplace Dir[lib_cellar/"**/_sysconfigdata_m_linux_x86_64-*.py",
lib_cellar/"config*/Makefile",
lib/"pkgconfig/python-3.?.pc"],
prefix, opt_prefix
end
# Symlink the pkgconfig files into HOMEBREW_PREFIX so they're accessible.
(lib/"pkgconfig").install_symlink Dir["#{frameworks}/Python.framework/Versions/#{xy}/lib/pkgconfig/*"]
(lib/"pkgconfig").install_symlink Dir["#{frameworks}/Python.framework/Versions/#{version.major_minor}/lib/pkgconfig/*"]
# Remove the site-packages that Python created in its Cellar.
(prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}/site-packages").rmtree
site_packages_cellar.rmtree
%w[setuptools pip wheel importlib-metadata zipp].each do |r|
(libexec/r).install resource(r)
@ -215,14 +264,10 @@ class PythonAT37 < Formula
def post_install
ENV.delete "PYTHONPATH"
xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
site_packages = HOMEBREW_PREFIX/"lib/python#{xy}/site-packages"
site_packages_cellar = prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}/site-packages"
# 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:
# Create a site-packages in HOMEBREW_PREFIX/lib/python#{xy}/site-packages
# Create a site-packages in HOMEBREW_PREFIX/lib/python#{version.major_minor}/site-packages
site_packages.mkpath
# Symlink the prefix site-packages into the cellar.
@ -268,7 +313,7 @@ class PythonAT37 < Formula
library_dirs = [HOMEBREW_PREFIX/"lib", Formula["openssl@1.1"].opt_lib,
Formula["sqlite"].opt_lib]
cfg = prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}/distutils/distutils.cfg"
cfg = lib_cellar/"distutils/distutils.cfg"
cfg.atomic_write <<~EOS
[install]
@ -281,8 +326,6 @@ class PythonAT37 < Formula
end
def sitecustomize
xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
<<~EOS
# 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!
@ -304,7 +347,7 @@ class PythonAT37 < Formula
# 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
library_site = '/Library/Python/#{xy}/site-packages'
library_site = '/Library/Python/#{version.major_minor}/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)]
# .pth files have already been processed so don't use addsitedir
@ -312,22 +355,17 @@ class PythonAT37 < Formula
# 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/#{xy}/lib/python#{xy}/site-packages')
sys.path = [long_prefix.sub('#{HOMEBREW_PREFIX/"lib/python#{xy}/site-packages"}', p) for p in sys.path]
long_prefix = re.compile(r'#{rack}/[0-9\._abrc]+/Frameworks/Python\.framework/Versions/#{version.major_minor}/lib/python#{version.major_minor}/site-packages')
sys.path = [long_prefix.sub('#{site_packages}', p) for p in sys.path]
# Set the sys.executable to use the opt_prefix. Only do this if PYTHONEXECUTABLE is not
# explicitly set and we are not in a virtualenv:
if 'PYTHONEXECUTABLE' not in os.environ and sys.prefix == sys.base_prefix:
sys.executable = '#{opt_bin}/python#{xy}'
sys.executable = '#{opt_bin}/python#{version.major_minor}'
EOS
end
def caveats
xy = if prefix.exist?
(prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
else
version.to_s.slice(/(3\.\d)/) || "3.7"
end
<<~EOS
Python has been installed as
#{opt_bin}/python3
@ -339,26 +377,27 @@ class PythonAT37 < Formula
You can install Python packages with
#{opt_bin}/pip3 install <package>
They will install into the site-package directory
#{HOMEBREW_PREFIX/"lib/python#{xy}/site-packages"}
#{HOMEBREW_PREFIX/"lib/python#{version.major_minor}/site-packages"}
See: https://docs.brew.sh/Homebrew-and-Python
EOS
end
test do
xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
# 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#{xy}", "-c", "import sqlite3"
system "#{bin}/python#{version.major_minor}", "-c", "import sqlite3"
# Check if some other modules import. Then the linked libs are working.
# Temporary failure on macOS 11.1 due to https://bugs.python.org/issue42480
# Reenable unconditionnaly once Apple fixes the Tcl/Tk issue
system "#{bin}/python#{xy}", "-c", "import tkinter; root = tkinter.Tk()" if MacOS.full_version < "11.1"
on_macos do
# Temporary failure on macOS 11.1 due to https://bugs.python.org/issue42480
# Reenable unconditionnaly once Apple fixes the Tcl/Tk issue
system "#{bin}/python#{version.major_minor}", "-c", "import tkinter; root = tkinter.Tk()" if MacOS.full_version < "11.1"
end
system "#{bin}/python#{xy}", "-c", "import _decimal"
system "#{bin}/python#{xy}", "-c", "import _gdbm"
system "#{bin}/python#{xy}", "-c", "import zlib"
system "#{bin}/python#{version.major_minor}", "-c", "import _decimal"
system "#{bin}/python#{version.major_minor}", "-c", "import _gdbm"
system "#{bin}/python#{version.major_minor}", "-c", "import zlib"
system bin/"pip3", "list", "--format=columns"
end
end