{ stdenv, hostPlatform, fetchurl , bzip2 , gdbm , fetchpatch , ncurses , openssl , readline , sqlite , tcl ? null, tk ? null, tix ? null, xlibsWrapper ? null, libX11 ? null, x11Support ? false , zlib , callPackage , self , gettext , db , expat , libffi , CF, configd, coreutils , python-setup-hook # For the Python package set , pkgs, packageOverrides ? (self: super: {}) }: assert x11Support -> tcl != null && tk != null && xlibsWrapper != null && libX11 != null; with stdenv.lib; let majorVersion = "2.7"; minorVersion = "13"; minorVersionSuffix = ""; pythonVersion = majorVersion; version = "${majorVersion}.${minorVersion}${minorVersionSuffix}"; libPrefix = "python${majorVersion}"; sitePackages = "lib/${libPrefix}/site-packages"; src = fetchurl { url = "https://www.python.org/ftp/python/${majorVersion}.${minorVersion}/Python-${version}.tar.xz"; sha256 = "0cgpk3zk0fgpji59pb4zy9nzljr70qzgv1vpz5hq5xw2d2c47m9m"; }; hasDistutilsCxxPatch = !(stdenv.cc.isGNU or false); patches = [ # Look in C_INCLUDE_PATH and LIBRARY_PATH for stuff. ./search-path.patch # Python recompiles a Python if the mtime stored *in* the # pyc/pyo file differs from the mtime of the source file. This # doesn't work in Nix because Nix changes the mtime of files in # the Nix store to 1. So treat that as a special case. ./nix-store-mtime.patch # patch python to put zero timestamp into pyc # if DETERMINISTIC_BUILD env var is set ./deterministic-build.patch ./properly-detect-curses.patch ] ++ optionals stdenv.isLinux [ # Disable the use of ldconfig in ctypes.util.find_library (since # ldconfig doesn't work on NixOS), and don't use # ctypes.util.find_library during the loading of the uuid module # (since it will do a futile invocation of gcc (!) to find # libuuid, slowing down program startup a lot). ./no-ldconfig.patch ./glibc-2.25-enosys.patch ] ++ optionals hostPlatform.isCygwin [ ./2.5.2-ctypes-util-find_library.patch ./2.5.2-tkinter-x11.patch ./2.6.2-ssl-threads.patch ./2.6.5-export-PySignal_SetWakeupFd.patch ./2.6.5-FD_SETSIZE.patch ./2.6.5-ncurses-abi6.patch ./2.7.3-dbm.patch ./2.7.3-dylib.patch ./2.7.3-getpath-exe-extension.patch ./2.7.3-no-libm.patch ] ++ optionals hasDistutilsCxxPatch [ # Patch from http://bugs.python.org/issue1222585 adapted to work with # `patch -p1' and with a last hunk removed # Upstream distutils is calling C compiler to compile C++ code, which # only works for GCC and Apple Clang. This makes distutils to call C++ # compiler when needed. ./python-2.7-distutils-C++.patch ]; preConfigure = '' # Purity. for i in /usr /sw /opt /pkg; do substituteInPlace ./setup.py --replace $i /no-such-path done '' + optionalString (stdenv ? cc && stdenv.cc.libc != null) '' for i in Lib/plat-*/regen; do substituteInPlace $i --replace /usr/include/ ${stdenv.cc.libc}/include/ done '' + optionalString stdenv.isDarwin '' substituteInPlace configure --replace '`/usr/bin/arch`' '"i386"' substituteInPlace Lib/multiprocessing/__init__.py \ --replace 'os.popen(comm)' 'os.popen("${coreutils}/bin/nproc")' ''; configureFlags = [ "--enable-shared" "--with-threads" "--enable-unicode=ucs4" ] ++ optionals (hostPlatform.isCygwin || hostPlatform.isAarch64) [ "--with-system-ffi" ] ++ optionals hostPlatform.isCygwin [ "--with-system-expat" "ac_cv_func_bind_textdomain_codeset=yes" ] ++ optionals stdenv.isDarwin [ "--disable-toolbox-glue" ]; postConfigure = if hostPlatform.isCygwin then '' sed -i Makefile -e 's,PYTHONPATH="$(srcdir),PYTHONPATH="$(abs_srcdir),' '' else null; buildInputs = optional (stdenv ? cc && stdenv.cc.libc != null) stdenv.cc.libc ++ [ bzip2 openssl zlib ] ++ optional (hostPlatform.isCygwin || hostPlatform.isAarch64) libffi ++ optional hostPlatform.isCygwin expat ++ [ db gdbm ncurses sqlite readline ] ++ optionals x11Support [ tcl tk xlibsWrapper libX11 ] ++ optionals stdenv.isDarwin [ CF configd ]; mkPaths = paths: { C_INCLUDE_PATH = makeSearchPathOutput "dev" "include" paths; LIBRARY_PATH = makeLibraryPath paths; }; # Build the basic Python interpreter without modules that have # external dependencies. in stdenv.mkDerivation { name = "python-${version}"; pythonVersion = majorVersion; inherit majorVersion version src patches buildInputs preConfigure configureFlags; LDFLAGS = stdenv.lib.optionalString (!stdenv.isDarwin) "-lgcc_s"; inherit (mkPaths buildInputs) C_INCLUDE_PATH LIBRARY_PATH; NIX_CFLAGS_COMPILE = optionalString stdenv.isDarwin "-msse2"; DETERMINISTIC_BUILD = 1; setupHook = python-setup-hook sitePackages; postPatch = optionalString (x11Support && (tix != null)) '' substituteInPlace "Lib/lib-tk/Tix.py" --replace "os.environ.get('TIX_LIBRARY')" "os.environ.get('TIX_LIBRARY') or '${tix}/lib'" ''; postInstall = '' # needed for some packages, especially packages that backport # functionality to 2.x from 3.x for item in $out/lib/python${majorVersion}/test/*; do if [[ "$item" != */test_support.py* && "$item" != */regrtest.py* ]]; then rm -rf "$item" else echo $item fi done touch $out/lib/python${majorVersion}/test/__init__.py ln -s $out/lib/python${majorVersion}/pdb.py $out/bin/pdb ln -s $out/lib/python${majorVersion}/pdb.py $out/bin/pdb${majorVersion} ln -s $out/share/man/man1/{python2.7.1.gz,python.1.gz} paxmark E $out/bin/python${majorVersion} # Python on Nix is not manylinux1 compatible. https://github.com/NixOS/nixpkgs/issues/18484 echo "manylinux1_compatible=False" >> $out/lib/${libPrefix}/_manylinux.py rm "$out"/lib/python*/plat-*/regen # refers to glibc.dev # Determinism: Windows installers were not deterministic. # We're also not interested in building Windows installers. find "$out" -name 'wininst*.exe' | xargs -r rm -f # Determinism: rebuild all bytecode # We exclude lib2to3 because that's Python 2 code which fails # We rebuild three times, once for each optimization level find $out -name "*.py" | $out/bin/python -m compileall -q -f -x "lib2to3" -i - find $out -name "*.py" | $out/bin/python -O -m compileall -q -f -x "lib2to3" -i - find $out -name "*.py" | $out/bin/python -OO -m compileall -q -f -x "lib2to3" -i - '' + optionalString hostPlatform.isCygwin '' cp libpython2.7.dll.a $out/lib ''; passthru = let pythonPackages = callPackage ../../../../../top-level/python-packages.nix {python=self; overrides=packageOverrides;}; in rec { inherit libPrefix sitePackages x11Support hasDistutilsCxxPatch; executable = libPrefix; buildEnv = callPackage ../../wrapper.nix { python = self; }; withPackages = import ../../with-packages.nix { inherit buildEnv pythonPackages;}; pkgs = pythonPackages; isPy2 = true; isPy27 = true; interpreter = "${self}/bin/${executable}"; }; enableParallelBuilding = true; meta = { homepage = http://python.org; description = "A high-level dynamically-typed programming language"; longDescription = '' Python is a remarkably powerful dynamic programming language that is used in a wide variety of application domains. Some of its key distinguishing features include: clear, readable syntax; strong introspection capabilities; intuitive object orientation; natural expression of procedural code; full modularity, supporting hierarchical packages; exception-based error handling; and very high level dynamic data types. ''; license = stdenv.lib.licenses.psfl; platforms = stdenv.lib.platforms.all; maintainers = with stdenv.lib.maintainers; [ chaoflow domenkozar ]; # Higher priority than Python 3.x so that `/bin/python` points to `/bin/python2` # in case both 2 and 3 are installed. priority = -100; }; }