406 lines
16 KiB
Ruby
406 lines
16 KiB
Ruby
class PythonAT37 < Formula
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desc "Interpreted, interactive, object-oriented programming language"
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homepage "https://www.python.org/"
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url "https://www.python.org/ftp/python/3.7.11/Python-3.7.11.tar.xz"
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sha256 "ddb4196ab5c4f69e895920a422cb60d42b46e2de2b173ce7fd57f1435459a734"
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license "Python-2.0"
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livecheck do
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url "https://www.python.org/ftp/python/"
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regex(%r{href=.*?v?(3\.7(?:\.\d+)*)/?["' >]}i)
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end
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bottle do
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sha256 big_sur: "26fa6036e2d40a47902c48d79c5a2a38fde2fa941b3f5efb3e1c0dda37445022"
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sha256 catalina: "765777095eac56c241fa82ac13f16e9de1974a4e6cd9c5217ca8f4fbfed10f70"
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sha256 mojave: "a2b71ac7208d22c643af119ac2da265bc1863db24830e4664b74746444b7215d"
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sha256 x86_64_linux: "b4a67a9f47b74fa3653a6656c42eeb0bfe877921cc515de9519ff3b35f116504"
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end
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# setuptools remembers the build flags python is built with and uses them to
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# build packages later. Xcode-only systems need different flags.
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pour_bottle? only_if: :clt_installed
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keg_only :versioned_formula
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depends_on "pkg-config" => :build
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depends_on arch: :x86_64
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depends_on "gdbm"
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depends_on "mpdecimal"
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depends_on "openssl@1.1"
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depends_on "readline"
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depends_on "sqlite"
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depends_on "xz"
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uses_from_macos "bzip2"
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uses_from_macos "libffi"
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uses_from_macos "ncurses"
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uses_from_macos "xz"
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uses_from_macos "zlib"
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skip_clean "bin/pip3", "bin/pip-3.4", "bin/pip-3.5", "bin/pip-3.6", "bin/pip-3.7"
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skip_clean "bin/easy_install3", "bin/easy_install-3.4", "bin/easy_install-3.5",
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"bin/easy_install-3.6", "bin/easy_install-3.7"
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resource "setuptools" do
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url "https://files.pythonhosted.org/packages/cf/79/1a19c2f792da00cbead7b6caa176afdddf517522cb9163ce39576025b050/setuptools-57.1.0.tar.gz"
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sha256 "cfca9c97e7eebbc8abe18d5e5e962a08dcad55bb63afddd82d681de4d22a597b"
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end
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resource "pip" do
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url "https://files.pythonhosted.org/packages/4d/0c/3b63fe024414a8a48661cf04f0993d4b2b8ef92daed45636474c018cd5b7/pip-21.1.3.tar.gz"
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sha256 "b5b1eb91b36894bd01b8e5a56a422c2f3838573da0b0a1c63a096bb454e3b23f"
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end
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resource "wheel" do
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url "https://files.pythonhosted.org/packages/ed/46/e298a50dde405e1c202e316fa6a3015ff9288423661d7ea5e8f22f589071/wheel-0.36.2.tar.gz"
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sha256 "e11eefd162658ea59a60a0f6c7d493a7190ea4b9a85e335b33489d9f17e0245e"
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end
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resource "importlib-metadata" do
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url "https://files.pythonhosted.org/packages/0c/89/412afa5f0018dccf637c2d25b9d6a41623cd22beef6797c0d67a2082ccfe/importlib_metadata-3.4.0.tar.gz"
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sha256 "fa5daa4477a7414ae34e95942e4dd07f62adf589143c875c133c1e53c4eff38d"
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end
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resource "zipp" do
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url "https://files.pythonhosted.org/packages/ce/b0/757db659e8b91cb3ea47d90350d7735817fe1df36086afc77c1c4610d559/zipp-3.4.0.tar.gz"
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sha256 "ed5eee1974372595f9e416cc7bbeeb12335201d8081ca8a0743c954d4446e5cb"
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end
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# Patch for MACOSX_DEPLOYMENT_TARGET on Big Sur. Upstream currently does
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# not have plans to backport the fix to 3.7, so we're maintaining this patch
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# ourselves.
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# https://bugs.python.org/issue42504
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patch do
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url "https://raw.githubusercontent.com/Homebrew/formula-patches/c4bc563a8d008ebd0e8d927c043f6dd132d3ba89/python/big-sur-3.7.patch"
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sha256 "67c99bdf0bbe0a640d70747aad514cd74602e7c4715fd15f1f9863eef257735e"
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end
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# Link against libmpdec.so.3, update for mpdecimal.h symbol cleanup.
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patch do
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url "https://www.bytereef.org/contrib/decimal-3.7.diff"
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sha256 "aa9a3002420079a7d2c6033d80b49038d490984a9ddb3d1195bb48ca7fb4a1f0"
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end
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def lib_cellar
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on_macos do
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return prefix/"Frameworks/Python.framework/Versions/#{version.major_minor}/lib/python#{version.major_minor}"
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end
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on_linux do
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return prefix/"lib/python#{version.major_minor}"
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end
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end
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def site_packages_cellar
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lib_cellar/"site-packages"
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end
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# The HOMEBREW_PREFIX location of site-packages.
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def site_packages
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HOMEBREW_PREFIX/"lib/python#{version.major_minor}/site-packages"
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end
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def install
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# Unset these so that installing pip and setuptools puts them where we want
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# and not into some other Python the user has installed.
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ENV["PYTHONHOME"] = nil
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ENV["PYTHONPATH"] = nil
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# Override the auto-detection in setup.py, which assumes a universal build.
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on_macos do
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ENV["PYTHON_DECIMAL_WITH_MACHINE"] = "x64"
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end
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args = %W[
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--prefix=#{prefix}
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--enable-ipv6
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--datarootdir=#{share}
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--datadir=#{share}
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--enable-loadable-sqlite-extensions
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--without-ensurepip
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--with-openssl=#{Formula["openssl@1.1"].opt_prefix}
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--with-system-libmpdec
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]
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args << "--without-gcc" if ENV.compiler == :clang
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on_macos do
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args << "--enable-framework=#{frameworks}"
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args << "--with-dtrace"
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end
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on_linux do
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args << "--enable-shared"
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# Required for the _ctypes module
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# see https://github.com/Linuxbrew/homebrew-core/pull/1007#issuecomment-252421573
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args << "--with-system-ffi"
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end
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cflags = []
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ldflags = []
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cppflags = []
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if MacOS.sdk_path_if_needed
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# Help Python's build system (setuptools/pip) to build things on SDK-based systems
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# The setup.py looks at "-isysroot" to get the sysroot (and not at --sysroot)
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cflags << "-isysroot #{MacOS.sdk_path}"
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ldflags << "-isysroot #{MacOS.sdk_path}"
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# For the Xlib.h, Python needs this header dir with the system Tk
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# Yep, this needs the absolute path where zlib needed a path relative
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# to the SDK.
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cflags << "-isystem #{MacOS.sdk_path}/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers"
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end
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# Avoid linking to libgcc https://mail.python.org/pipermail/python-dev/2012-February/116205.html
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args << "MACOSX_DEPLOYMENT_TARGET=#{MacOS.version}"
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# Python's setup.py parses CPPFLAGS and LDFLAGS to learn search
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# paths for the dependencies of the compiled extension modules.
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# See Linuxbrew/linuxbrew#420, Linuxbrew/linuxbrew#460, and Linuxbrew/linuxbrew#875
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on_linux do
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cppflags << ENV.cppflags << " -I#{HOMEBREW_PREFIX}/include"
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ldflags << ENV.ldflags << " -L#{HOMEBREW_PREFIX}/lib"
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end
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# We want our readline! This is just to outsmart the detection code,
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# superenv makes cc always find includes/libs!
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inreplace "setup.py",
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"do_readline = self.compiler.find_library_file(lib_dirs, 'readline')",
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"do_readline = '#{Formula["readline"].opt_lib}/#{shared_library("libhistory")}'"
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inreplace "setup.py" do |s|
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s.gsub! "sqlite_setup_debug = False", "sqlite_setup_debug = True"
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s.gsub! "for d_ in inc_dirs + sqlite_inc_paths:",
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"for d_ in ['#{Formula["sqlite"].opt_include}']:"
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end
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on_linux do
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# Python's configure adds the system ncurses include entry to CPPFLAGS
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# when doing curses header check. The check may fail when there exists
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# a 32-bit system ncurses (conflicts with the brewed 64-bit one).
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# See https://github.com/Homebrew/linuxbrew-core/pull/22307#issuecomment-781896552
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# We want our ncurses! Override system ncurses includes!
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inreplace "configure",
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'CPPFLAGS="$CPPFLAGS -I/usr/include/ncursesw"',
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"CPPFLAGS=\"$CPPFLAGS -I#{Formula["ncurses"].opt_include}\""
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end
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# Allow python modules to use ctypes.find_library to find homebrew's stuff
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# even if homebrew is not a /usr/local/lib. Try this with:
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# `brew install enchant && pip install pyenchant`
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inreplace "./Lib/ctypes/macholib/dyld.py" do |f|
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f.gsub! "DEFAULT_LIBRARY_FALLBACK = [", "DEFAULT_LIBRARY_FALLBACK = [ '#{HOMEBREW_PREFIX}/lib',"
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f.gsub! "DEFAULT_FRAMEWORK_FALLBACK = [", "DEFAULT_FRAMEWORK_FALLBACK = [ '#{HOMEBREW_PREFIX}/Frameworks',"
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end
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args << "CFLAGS=#{cflags.join(" ")}" unless cflags.empty?
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args << "LDFLAGS=#{ldflags.join(" ")}" unless ldflags.empty?
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args << "CPPFLAGS=#{cppflags.join(" ")}" unless cppflags.empty?
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system "./configure", *args
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system "make"
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ENV.deparallelize do
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# Tell Python not to install into /Applications (default for framework builds)
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system "make", "install", "PYTHONAPPSDIR=#{prefix}"
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on_macos do
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system "make", "frameworkinstallextras", "PYTHONAPPSDIR=#{pkgshare}"
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end
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end
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# Any .app get a " 3" attached, so it does not conflict with python 2.x.
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Dir.glob("#{prefix}/*.app") { |app| mv app, app.sub(/\.app$/, " 3.app") }
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on_macos do
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# Prevent third-party packages from building against fragile Cellar paths
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inreplace Dir[lib_cellar/"**/_sysconfigdata_m_darwin_darwin.py",
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lib_cellar/"config*/Makefile",
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frameworks/"Python.framework/Versions/3*/lib/pkgconfig/python-3.?.pc"],
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prefix, opt_prefix
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# Help third-party packages find the Python framework
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inreplace Dir[lib_cellar/"config*/Makefile"],
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/^LINKFORSHARED=(.*)PYTHONFRAMEWORKDIR(.*)/,
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"LINKFORSHARED=\\1PYTHONFRAMEWORKINSTALLDIR\\2"
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# Fix for https://github.com/Homebrew/homebrew-core/issues/21212
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inreplace Dir[lib_cellar/"**/_sysconfigdata_m_darwin_darwin.py"],
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%r{('LINKFORSHARED': .*?)'(Python.framework/Versions/3.\d+/Python)'}m,
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"\\1'#{opt_prefix}/Frameworks/\\2'"
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end
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on_linux do
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# Prevent third-party packages from building against fragile Cellar paths
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inreplace Dir[lib_cellar/"**/_sysconfigdata_m_linux_x86_64-*.py",
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lib_cellar/"config*/Makefile",
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lib/"pkgconfig/python-3.?.pc"],
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prefix, opt_prefix
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end
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# Symlink the pkgconfig files into HOMEBREW_PREFIX so they're accessible.
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(lib/"pkgconfig").install_symlink Dir["#{frameworks}/Python.framework/Versions/#{version.major_minor}/lib/pkgconfig/*"]
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# Remove the site-packages that Python created in its Cellar.
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site_packages_cellar.rmtree
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%w[setuptools pip wheel importlib-metadata zipp].each do |r|
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(libexec/r).install resource(r)
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end
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# Remove wheel test data.
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# It's for people editing wheel and contains binaries which fail `brew linkage`.
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rm libexec/"wheel/tox.ini"
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rm_r libexec/"wheel/tests"
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# Install unversioned symlinks in libexec/bin.
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{
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"idle" => "idle3",
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"pydoc" => "pydoc3",
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"python" => "python3",
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"python-config" => "python3-config",
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}.each do |unversioned_name, versioned_name|
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(libexec/"bin").install_symlink (bin/versioned_name).realpath => unversioned_name
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end
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end
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def post_install
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ENV.delete "PYTHONPATH"
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# Fix up the site-packages so that user-installed Python software survives
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# minor updates, such as going from 3.3.2 to 3.3.3:
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# Create a site-packages in HOMEBREW_PREFIX/lib/python#{version.major_minor}/site-packages
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site_packages.mkpath
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# Symlink the prefix site-packages into the cellar.
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site_packages_cellar.unlink if site_packages_cellar.exist?
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site_packages_cellar.parent.install_symlink site_packages
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# Write our sitecustomize.py
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rm_rf Dir["#{site_packages}/sitecustomize.py[co]"]
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(site_packages/"sitecustomize.py").atomic_write(sitecustomize)
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# Remove old setuptools installations that may still fly around and be
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# listed in the easy_install.pth. This can break setuptools build with
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# zipimport.ZipImportError: bad local file header
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# setuptools-0.9.8-py3.3.egg
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rm_rf Dir["#{site_packages}/setuptools*"]
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rm_rf Dir["#{site_packages}/distribute*"]
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rm_rf Dir["#{site_packages}/pip[-_.][0-9]*", "#{site_packages}/pip"]
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%w[setuptools pip wheel importlib-metadata zipp].each do |pkg|
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(libexec/pkg).cd do
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system bin/"python3", "-s", "setup.py", "--no-user-cfg", "install",
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"--force", "--verbose", "--install-scripts=#{bin}",
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"--install-lib=#{site_packages}",
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"--single-version-externally-managed",
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"--record=installed.txt"
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end
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end
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rm_rf [bin/"pip", bin/"easy_install"]
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mv bin/"wheel", bin/"wheel3"
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# Install unversioned symlinks in libexec/bin.
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{
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"pip" => "pip3",
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"wheel" => "wheel3",
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}.each do |unversioned_name, versioned_name|
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(libexec/"bin").install_symlink (bin/versioned_name).realpath => unversioned_name
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end
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# Help distutils find brewed stuff when building extensions
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include_dirs = [HOMEBREW_PREFIX/"include", Formula["openssl@1.1"].opt_include,
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Formula["sqlite"].opt_include]
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library_dirs = [HOMEBREW_PREFIX/"lib", Formula["openssl@1.1"].opt_lib,
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Formula["sqlite"].opt_lib]
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cfg = lib_cellar/"distutils/distutils.cfg"
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cfg.atomic_write <<~EOS
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[install]
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prefix=#{HOMEBREW_PREFIX}
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[build_ext]
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include_dirs=#{include_dirs.join ":"}
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library_dirs=#{library_dirs.join ":"}
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EOS
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end
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def sitecustomize
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<<~EOS
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# This file is created by Homebrew and is executed on each python startup.
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# Don't print from here, or else python command line scripts may fail!
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# <https://docs.brew.sh/Homebrew-and-Python>
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import re
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import os
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import sys
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if sys.version_info[0] != 3:
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# This can only happen if the user has set the PYTHONPATH for 3.x and run Python 2.x or vice versa.
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# Every Python looks at the PYTHONPATH variable and we can't fix it here in sitecustomize.py,
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# because the PYTHONPATH is evaluated after the sitecustomize.py. Many modules (e.g. PyQt4) are
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# built only for a specific version of Python and will fail with cryptic error messages.
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# In the end this means: Don't set the PYTHONPATH permanently if you use different Python versions.
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exit('Your PYTHONPATH points to a site-packages dir for Python 3.x but you are running Python ' +
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str(sys.version_info[0]) + '.x!\\n PYTHONPATH is currently: "' + str(os.environ['PYTHONPATH']) + '"\\n' +
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' You should `unset PYTHONPATH` to fix this.')
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# Only do this for a brewed python:
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if os.path.realpath(sys.executable).startswith('#{rack}'):
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# Shuffle /Library site-packages to the end of sys.path
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library_site = '/Library/Python/#{version.major_minor}/site-packages'
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library_packages = [p for p in sys.path if p.startswith(library_site)]
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sys.path = [p for p in sys.path if not p.startswith(library_site)]
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# .pth files have already been processed so don't use addsitedir
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sys.path.extend(library_packages)
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# the Cellar site-packages is a symlink to the HOMEBREW_PREFIX
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# site_packages; prefer the shorter paths
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long_prefix = re.compile(r'#{rack}/[0-9\._abrc]+/Frameworks/Python\.framework/Versions/#{version.major_minor}/lib/python#{version.major_minor}/site-packages')
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sys.path = [long_prefix.sub('#{site_packages}', p) for p in sys.path]
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# Set the sys.executable to use the opt_prefix. Only do this if PYTHONEXECUTABLE is not
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# explicitly set and we are not in a virtualenv:
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if 'PYTHONEXECUTABLE' not in os.environ and sys.prefix == sys.base_prefix:
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sys.executable = '#{opt_bin}/python#{version.major_minor}'
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EOS
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end
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def caveats
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<<~EOS
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Python has been installed as
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#{opt_bin}/python3
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Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to
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`python3`, `python3-config`, `pip3` etc., respectively, have been installed into
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#{opt_libexec}/bin
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You can install Python packages with
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#{opt_bin}/pip3 install <package>
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They will install into the site-package directory
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#{HOMEBREW_PREFIX/"lib/python#{version.major_minor}/site-packages"}
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See: https://docs.brew.sh/Homebrew-and-Python
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EOS
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end
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test do
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# Check if sqlite is ok, because we build with --enable-loadable-sqlite-extensions
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# and it can occur that building sqlite silently fails if OSX's sqlite is used.
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system "#{bin}/python#{version.major_minor}", "-c", "import sqlite3"
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# Check if some other modules import. Then the linked libs are working.
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on_macos do
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# Temporary failure on macOS 11.1 due to https://bugs.python.org/issue42480
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# Reenable unconditionnaly once Apple fixes the Tcl/Tk issue
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system "#{bin}/python#{version.major_minor}", "-c", "import tkinter; root = tkinter.Tk()" if MacOS.full_version < "11.1"
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end
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system "#{bin}/python#{version.major_minor}", "-c", "import _decimal"
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system "#{bin}/python#{version.major_minor}", "-c", "import _gdbm"
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system "#{bin}/python#{version.major_minor}", "-c", "import zlib"
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system bin/"pip3", "list", "--format=columns"
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end
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end
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