homebrew-core/Formula/python@3.9.rb

483 lines
21 KiB
Ruby

class PythonAT39 < Formula
desc "Interpreted, interactive, object-oriented programming language"
homepage "https://www.python.org/"
url "https://www.python.org/ftp/python/3.9.9/Python-3.9.9.tar.xz"
sha256 "06828c04a573c073a4e51c4292a27c1be4ae26621c3edc7cf9318418ce3b6d27"
license "Python-2.0"
livecheck do
url "https://www.python.org/ftp/python/"
regex(%r{href=.*?v?(3\.9(?:\.\d+)*)/?["' >]}i)
end
bottle do
sha256 arm64_monterey: "7c8b15e7d98b67084291ac605649e936343ada7a41da51cea4461c583e998d20"
sha256 arm64_big_sur: "c49cf018e26ee063fb375db7a95325db3c1c98949ee75cff0ba443fd7fa1cfd8"
sha256 monterey: "3413bf6134724b24290bf53bb854cd8476fcc966fd8766eebe750006025bc561"
sha256 big_sur: "4b56d0931cac013168ef78ae32fcce94ac36b1439c6c8501850cea1ebe80d758"
sha256 catalina: "caf2da2ca0e6a30c004aa0cddef2d9b077e5c5c8982dcc223caed2a11704aa26"
sha256 x86_64_linux: "0056d8c3b4a757e170cfaf30fd43cd18ee279d63d6c3d058644688f361da680a"
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? only_if: :clt_installed
depends_on "pkg-config" => :build
depends_on "gdbm"
depends_on "mpdecimal"
depends_on "openssl@1.1"
depends_on "readline"
depends_on "sqlite"
depends_on "xz"
uses_from_macos "bzip2"
uses_from_macos "expat"
uses_from_macos "libffi"
uses_from_macos "ncurses"
uses_from_macos "unzip"
uses_from_macos "zlib"
skip_clean "bin/pip3", "bin/pip-3.4", "bin/pip-3.5", "bin/pip-3.6", "bin/pip-3.7", "bin/pip-3.8"
skip_clean "bin/easy_install3", "bin/easy_install-3.4", "bin/easy_install-3.5", "bin/easy_install-3.6",
"bin/easy_install-3.7", "bin/easy_install-3.8"
link_overwrite "bin/2to3"
link_overwrite "bin/idle3"
link_overwrite "bin/pip3"
link_overwrite "bin/pydoc3"
link_overwrite "bin/python3"
link_overwrite "bin/python3-config"
link_overwrite "bin/wheel3"
link_overwrite "share/man/man1/python3.1"
link_overwrite "lib/pkgconfig/python3.pc"
link_overwrite "lib/pkgconfig/python3-embed.pc"
link_overwrite "Frameworks/Python.framework/Headers"
link_overwrite "Frameworks/Python.framework/Python"
link_overwrite "Frameworks/Python.framework/Resources"
link_overwrite "Frameworks/Python.framework/Versions/Current"
# Always update to latest release
resource "setuptools" do
url "https://files.pythonhosted.org/packages/cd/9a/6fff2cee92de1d34c0e8d48bb2ccedb0899eebb2cfe7955584b53bdaded7/setuptools-59.0.1.tar.gz"
sha256 "899d27ec8104a68d4ba813b1afd66708a1a10e9391e79be92c8c60f9c77d05e5"
end
resource "pip" do
url "https://files.pythonhosted.org/packages/da/f6/c83229dcc3635cdeb51874184241a9508ada15d8baa337a41093fab58011/pip-21.3.1.tar.gz"
sha256 "fd11ba3d0fdb4c07fbc5ecbba0b1b719809420f25038f8ee3cd913d3faa3033a"
end
resource "wheel" do
url "https://files.pythonhosted.org/packages/4e/be/8139f127b4db2f79c8b117c80af56a3078cc4824b5b94250c7f81a70e03b/wheel-0.37.0.tar.gz"
sha256 "e2ef7239991699e3355d54f8e968a21bb940a1dbf34a4d226741e64462516fad"
end
# Link against libmpdec.so.3, update for mpdecimal.h symbol cleanup.
patch do
url "https://www.bytereef.org/contrib/decimal.diff"
sha256 "b0716ba88a4061dcc8c9bdd1acc57f62884000d1f959075090bf2c05ffa28bf3"
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.
ENV["PYTHONHOME"] = nil
ENV["PYTHONPATH"] = nil
# Override the auto-detection in setup.py, which assumes a universal build.
if OS.mac?
ENV["PYTHON_DECIMAL_WITH_MACHINE"] = Hardware::CPU.arm? ? "uint128" : "x64"
end
# The --enable-optimization and --with-lto flags diverge from what upstream
# python does for their macOS binary releases. They have chosen not to apply
# these flags because they want one build that will work across many macOS
# releases. Homebrew is not so constrained because the bottling
# infrastructure specializes for each macOS major release.
args = %W[
--prefix=#{prefix}
--enable-ipv6
--datarootdir=#{share}
--datadir=#{share}
--without-ensurepip
--enable-loadable-sqlite-extensions
--with-openssl=#{Formula["openssl@1.1"].opt_prefix}
--with-dbmliborder=gdbm:ndbm
--enable-optimizations
--with-lto
--with-system-expat
--with-system-ffi
--with-system-libmpdec
]
if OS.mac?
args << "--enable-framework=#{frameworks}"
args << "--with-dtrace"
else
args << "--enable-shared"
end
# Python re-uses flags when building native modules.
# Since we don't want native modules prioritizing the brew
# include path, we move them to [C|LD]FLAGS_NODIST.
# Note: Changing CPPFLAGS causes issues with dbm, so we
# leave it as-is.
cflags = []
cflags_nodist = ["-I#{HOMEBREW_PREFIX}/include"]
ldflags = []
ldflags_nodist = ["-L#{HOMEBREW_PREFIX}/lib", "-Wl,-rpath,#{HOMEBREW_PREFIX}/lib"]
cppflags = ["-I#{HOMEBREW_PREFIX}/include"]
if MacOS.sdk_path_if_needed
# Help Python's build system (setuptools/pip) to build things on SDK-based 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}"
end
# Avoid linking to libgcc https://mail.python.org/pipermail/python-dev/2012-February/116205.html
args << "MACOSX_DEPLOYMENT_TARGET=#{MacOS.version}"
# Disable _tkinter - this is built in a separate formula python-tk
inreplace "setup.py", "DISABLED_MODULE_LIST = []", "DISABLED_MODULE_LIST = ['_tkinter']"
# 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(self.lib_dirs, 'readline')",
"do_readline = '#{Formula["readline"].opt_lib}/#{shared_library("libhistory")}'"
inreplace "setup.py" do |s|
s.gsub! "sqlite_setup_debug = False", "sqlite_setup_debug = True"
s.gsub! "for d_ in self.inc_dirs + sqlite_inc_paths:",
"for d_ in ['#{Formula["sqlite"].opt_include}']:"
end
if OS.linux?
# Python's configure adds the system ncurses include entry to CPPFLAGS
# when doing curses header check. The check may fail when there exists
# a 32-bit system ncurses (conflicts with the brewed 64-bit one).
# See https://github.com/Homebrew/linuxbrew-core/pull/22307#issuecomment-781896552
# We want our ncurses! Override system ncurses includes!
inreplace "configure",
'CPPFLAGS="$CPPFLAGS -I/usr/include/ncursesw"',
"CPPFLAGS=\"$CPPFLAGS -I#{Formula["ncurses"].opt_include}\""
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', '#{Formula["openssl@1.1"].opt_lib}',"
f.gsub! "DEFAULT_FRAMEWORK_FALLBACK = [", "DEFAULT_FRAMEWORK_FALLBACK = [ '#{HOMEBREW_PREFIX}/Frameworks',"
end
args << "CFLAGS=#{cflags.join(" ")}" unless cflags.empty?
args << "CFLAGS_NODIST=#{cflags_nodist.join(" ")}" unless cflags_nodist.empty?
args << "LDFLAGS=#{ldflags.join(" ")}" unless ldflags.empty?
args << "LDFLAGS_NODIST=#{ldflags_nodist.join(" ")}" unless ldflags_nodist.empty?
args << "CPPFLAGS=#{cppflags.join(" ")}" unless cppflags.empty?
system "./configure", *args
system "make"
ENV.deparallelize do
# Tell Python not to install into /Applications (default for framework builds)
system "make", "install", "PYTHONAPPSDIR=#{prefix}"
system "make", "frameworkinstallextras", "PYTHONAPPSDIR=#{pkgshare}" if OS.mac?
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$/, " 3.app") }
if OS.mac?
# Prevent third-party packages from building against fragile Cellar paths
inreplace Dir[lib_cellar/"**/_sysconfigdata__darwin_darwin.py",
lib_cellar/"config*/Makefile",
frameworks/"Python.framework/Versions/3*/lib/pkgconfig/python-3.?.pc"],
prefix, opt_prefix
# Help third-party packages find the Python framework
inreplace Dir[lib_cellar/"config*/Makefile"],
/^LINKFORSHARED=(.*)PYTHONFRAMEWORKDIR(.*)/,
"LINKFORSHARED=\\1PYTHONFRAMEWORKINSTALLDIR\\2"
# Fix for https://github.com/Homebrew/homebrew-core/issues/21212
inreplace Dir[lib_cellar/"**/_sysconfigdata__darwin_darwin.py"],
%r{('LINKFORSHARED': .*?)'(Python.framework/Versions/3.\d+/Python)'}m,
"\\1'#{opt_prefix}/Frameworks/\\2'"
else
# Prevent third-party packages from building against fragile Cellar paths
inreplace Dir[lib_cellar/"**/_sysconfigdata_*linux_x86_64-*.py",
lib_cellar/"config*/Makefile",
bin/"python#{version.major_minor}-config",
lib/"pkgconfig/python-3.?.pc"],
prefix, opt_prefix
inreplace bin/"python#{version.major_minor}-config",
'prefix_real=$(installed_prefix "$0")',
"prefix_real=#{opt_prefix}"
end
# Symlink the pkgconfig files into HOMEBREW_PREFIX so they're accessible.
(lib/"pkgconfig").install_symlink Dir["#{frameworks}/Python.framework/Versions/#{version.major_minor}/lib/pkgconfig/*"]
# Remove the site-packages that Python created in its Cellar.
site_packages_cellar.rmtree
# Prepare a wheel of wheel to install later.
common_pip_args = %w[
-v
--no-deps
--no-binary :all:
--no-index
--no-build-isolation
]
whl_build = buildpath/"whl_build"
system bin/"python3", "-m", "venv", whl_build
resource("wheel").stage do
system whl_build/"bin/pip3", "install", *common_pip_args, "."
system whl_build/"bin/pip3", "wheel", *common_pip_args,
"--wheel-dir=#{libexec}",
"."
end
# Replace bundled setuptools/pip with our own.
rm Dir["#{lib_cellar}/ensurepip/_bundled/{setuptools,pip}-*.whl"]
%w[setuptools pip].each do |r|
resource(r).stage do
system whl_build/"bin/pip3", "wheel", *common_pip_args,
"--wheel-dir=#{lib_cellar}/ensurepip/_bundled",
"."
end
end
# Patch ensurepip to bootstrap our updated versions of setuptools/pip
inreplace lib_cellar/"ensurepip/__init__.py" do |s|
s.gsub!(/_SETUPTOOLS_VERSION = .*/, "_SETUPTOOLS_VERSION = \"#{resource("setuptools").version}\"")
s.gsub!(/_PIP_VERSION = .*/, "_PIP_VERSION = \"#{resource("pip").version}\"")
end
# Write out sitecustomize.py
(lib_cellar/"sitecustomize.py").atomic_write(sitecustomize)
# Install unversioned symlinks in libexec/bin.
{
"idle" => "idle3",
"pydoc" => "pydoc3",
"python" => "python3",
"python-config" => "python3-config",
}.each do |unversioned_name, versioned_name|
(libexec/"bin").install_symlink (bin/versioned_name).realpath => unversioned_name
end
end
def post_install
ENV.delete "PYTHONPATH"
# 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#{version.major_minor}/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
# Remove old sitecustomize.py. Now stored in the cellar.
rm_rf Dir["#{site_packages}/sitecustomize.py[co]"]
# 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["#{site_packages}/setuptools[-_.][0-9]*", "#{site_packages}/setuptools"]
rm_rf Dir["#{site_packages}/distribute[-_.][0-9]*", "#{site_packages}/distribute"]
rm_rf Dir["#{site_packages}/pip[-_.][0-9]*", "#{site_packages}/pip"]
rm_rf Dir["#{site_packages}/wheel[-_.][0-9]*", "#{site_packages}/wheel"]
system bin/"python3", "-m", "ensurepip"
# Install desired versions of setuptools, pip, wheel using the version of
# pip bootstrapped by ensurepip.
# Note that while we replaced the ensurepip wheels, there's no guarantee
# ensurepip actually used them, since other existing installations could
# have been picked up (and we can't pass --ignore-installed).
bundled = lib_cellar/"ensurepip/_bundled"
system bin/"python3", "-m", "pip", "install", "-v",
"--no-deps",
"--no-index",
"--upgrade",
"--isolated",
"--target=#{site_packages}",
bundled/"setuptools-#{resource("setuptools").version}-py3-none-any.whl",
bundled/"pip-#{resource("pip").version}-py3-none-any.whl",
libexec/"wheel-#{resource("wheel").version}-py2.py3-none-any.whl"
# pip install with --target flag will just place the bin folder into the
# target, so move its contents into the appropriate location
mv (site_packages/"bin").children, bin
rmdir site_packages/"bin"
rm_rf bin/"pip"
mv bin/"wheel", bin/"wheel3"
# Install unversioned symlinks in libexec/bin.
{
"pip" => "pip3",
"wheel" => "wheel3",
}.each do |unversioned_name, versioned_name|
(libexec/"bin").install_symlink (bin/versioned_name).realpath => unversioned_name
end
# post_install happens after link
%W[pip3 wheel3 pip#{version.major_minor}].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@1.1"].opt_include,
Formula["sqlite"].opt_include]
library_dirs = [HOMEBREW_PREFIX/"lib", Formula["openssl@1.1"].opt_lib,
Formula["sqlite"].opt_lib]
cfg = lib_cellar/"distutils/distutils.cfg"
cfg.atomic_write <<~EOS
[install]
prefix=#{HOMEBREW_PREFIX}
[build_ext]
include_dirs=#{include_dirs.join ":"}
library_dirs=#{library_dirs.join ":"}
EOS
end
def sitecustomize
<<~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!
# <https://docs.brew.sh/Homebrew-and-Python>
import re
import os
import sys
if sys.version_info[:2] != (#{version.major}, #{version.minor}):
# This can only happen if the user has set the PYTHONPATH to a mismatching site-packages directory.
# 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 #{version.major_minor} but you are running Python ' +
str(sys.version_info[0]) + '.' + str(sys.version_info[1]) + '!\\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
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
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/#{version.major_minor}/lib/python#{version.major_minor}/site-packages')
sys.path = [long_prefix.sub('#{HOMEBREW_PREFIX/"lib/python#{version.major_minor}/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 = sys._base_executable = '#{opt_bin}/python#{version.major_minor}'
if 'PYTHONHOME' not in os.environ:
cellar_prefix = re.compile(r'#{rack}/[0-9\._abrc]+/')
if os.path.realpath(sys.base_prefix).startswith('#{rack}'):
new_prefix = cellar_prefix.sub('#{opt_prefix}/', sys.base_prefix)
if sys.prefix == sys.base_prefix:
sys.prefix = new_prefix
sys.base_prefix = new_prefix
if os.path.realpath(sys.base_exec_prefix).startswith('#{rack}'):
new_exec_prefix = cellar_prefix.sub('#{opt_prefix}/', sys.base_exec_prefix)
if sys.exec_prefix == sys.base_exec_prefix:
sys.exec_prefix = new_exec_prefix
sys.base_exec_prefix = new_exec_prefix
# Check for and add the python-tk prefix.
tkinter_prefix = "#{HOMEBREW_PREFIX}/opt/python-tk@#{version.major_minor}/libexec"
if os.path.isdir(tkinter_prefix):
sys.path.append(tkinter_prefix)
EOS
end
def caveats
<<~EOS
Python has been installed as
#{HOMEBREW_PREFIX}/bin/python3
Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to
`python3`, `python3-config`, `pip3` etc., respectively, have been installed into
#{opt_libexec}/bin
You can install Python packages with
pip3 install <package>
They will install into the site-package directory
#{HOMEBREW_PREFIX/"lib/python#{version.major_minor}/site-packages"}
tkinter is no longer included with this formula, but it is available separately:
brew install python-tk@#{version.major_minor}
See: https://docs.brew.sh/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#{version.major_minor}", "-c", "import sqlite3"
# check to see if we can create a venv
system "#{bin}/python#{version.major_minor}", "-m", "venv", testpath/"myvenv"
# Check if some other modules import. Then the linked libs are working.
system "#{bin}/python#{version.major_minor}", "-c", "import _ctypes"
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 pyexpat"
system "#{bin}/python#{version.major_minor}", "-c", "import zlib"
# tkinter is provided in a separate formula
assert_match "ModuleNotFoundError: No module named '_tkinter'",
shell_output("#{bin}/python#{version.major_minor} -Sc 'import tkinter' 2>&1", 1)
# Verify that the selected DBM interface works
(testpath/"dbm_test.py").write <<~EOS
import dbm
with dbm.ndbm.open("test", "c") as db:
db[b"foo \\xbd"] = b"bar \\xbd"
with dbm.ndbm.open("test", "r") as db:
assert list(db.keys()) == [b"foo \\xbd"]
assert b"foo \\xbd" in db
assert db[b"foo \\xbd"] == b"bar \\xbd"
EOS
system "#{bin}/python#{version.major_minor}", "dbm_test.py"
system bin/"pip3", "list", "--format=columns"
end
end