{ stdenv, fetchurl, fetchpatch , glibc , bzip2 , expat , libffi , gdbm , lzma , ncurses , openssl , readline , sqlite , tcl ? null, tk ? null, tix ? null, libX11 ? null, xproto ? null, x11Support ? false , zlib , callPackage , self , CF, configd , python-setup-hook # For the Python package set , pkgs, packageOverrides ? (self: super: {}) }: assert x11Support -> tcl != null && tk != null && xproto != null && libX11 != null; with stdenv.lib; let majorVersion = "3.7"; minorVersion = "0"; minorVersionSuffix = ""; version = "${majorVersion}.${minorVersion}${minorVersionSuffix}"; libPrefix = "python${majorVersion}"; sitePackages = "lib/${libPrefix}/site-packages"; buildInputs = filter (p: p != null) [ zlib bzip2 expat lzma libffi gdbm sqlite readline ncurses openssl ] ++ optionals x11Support [ tcl tk libX11 xproto ] ++ optionals stdenv.isDarwin [ CF configd ]; hasDistutilsCxxPatch = !(stdenv.cc.isGNU or false); in stdenv.mkDerivation { name = "python3-${version}"; pythonVersion = majorVersion; inherit majorVersion version; inherit buildInputs; src = fetchurl { url = "https://www.python.org/ftp/python/${majorVersion}.${minorVersion}/Python-${version}.tar.xz"; sha256 = "0j9mic5c9lbd2b20wka7hily7szz740wy9ilfrczxap63rnrk0h3"; }; NIX_LDFLAGS = optionalString stdenv.isLinux "-lgcc_s"; # Determinism: We fix the hashes of str, bytes and datetime objects. PYTHONHASHSEED=0; prePatch = optionalString stdenv.isDarwin '' substituteInPlace configure --replace '`/usr/bin/arch`' '"i386"' substituteInPlace configure --replace '-Wl,-stack_size,1000000' ' ' ''; patches = [ ./no-ldconfig.patch # Fix darwin build https://bugs.python.org/issue34027 (fetchpatch { url = https://bugs.python.org/file47666/darwin-libutil.patch; sha256 = "0242gihnw3wfskl4fydp2xanpl8k5q7fj4dp7dbbqf46a4iwdzpa"; }) ] ++ optionals hasDistutilsCxxPatch [ # Fix for http://bugs.python.org/issue1222585 # Upstream distutils is calling C compiler to compile C++ code, which # only works for GCC and Apple Clang. This makes distutils to call C++ # compiler when needed. (fetchpatch { url = "https://bugs.python.org/file47669/python-3.8-distutils-C++.patch"; sha256 = "0s801d7ww9yrk6ys053jvdhl0wicbznx08idy36f1nrrxsghb3ii"; }) ]; postPatch = '' '' + optionalString (x11Support && (tix != null)) '' substituteInPlace "Lib/tkinter/tix.py" --replace "os.environ.get('TIX_LIBRARY')" "os.environ.get('TIX_LIBRARY') or '${tix}/lib'" ''; CPPFLAGS="${concatStringsSep " " (map (p: "-I${getDev p}/include") buildInputs)}"; LDFLAGS="${concatStringsSep " " (map (p: "-L${getLib p}/lib") buildInputs)}"; LIBS="${optionalString (!stdenv.isDarwin) "-lcrypt"} ${optionalString (ncurses != null) "-lncurses"}"; configureFlags = [ "--enable-shared" "--with-threads" "--without-ensurepip" "--with-system-expat" "--with-system-ffi" "--with-openssl=${openssl.dev}" ]; preConfigure = '' for i in /usr /sw /opt /pkg; do # improve purity substituteInPlace ./setup.py --replace $i /no-such-path done ${optionalString stdenv.isDarwin '' export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -msse2" export MACOSX_DEPLOYMENT_TARGET=10.6 ''} ''; setupHook = python-setup-hook sitePackages; 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" != */test/support && "$item" != */test/libregrtest && "$item" != */test/regrtest.py* ]]; then rm -rf "$item" else echo $item fi done touch $out/lib/python${majorVersion}/test/__init__.py ln -s "$out/include/python${majorVersion}m" "$out/include/python${majorVersion}" 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 # Determinism: Windows installers were not deterministic. # We're also not interested in building Windows installers. find "$out" -name 'wininst*.exe' | xargs -r rm -f # Use Python3 as default python ln -s "$out/bin/idle3" "$out/bin/idle" ln -s "$out/bin/pydoc3" "$out/bin/pydoc" ln -s "$out/bin/python3" "$out/bin/python" ln -s "$out/bin/python3-config" "$out/bin/python-config" ln -s "$out/lib/pkgconfig/python3.pc" "$out/lib/pkgconfig/python.pc" # Get rid of retained dependencies on -dev packages, and remove # some $TMPDIR references to improve binary reproducibility. # Note that the .pyc file of _sysconfigdata.py should be regenerated! for i in $out/lib/python${majorVersion}/_sysconfigdata*.py $out/lib/python${majorVersion}/config-${majorVersion}m*/Makefile; do sed -i $i -e "s|-I/nix/store/[^ ']*||g" -e "s|-L/nix/store/[^ ']*||g" -e "s|$TMPDIR|/no-such-path|g" done # Determinism: rebuild all bytecode # We exclude lib2to3 because that's Python 2 code which fails # We rebuild three times, once for each optimization level # Python 3.7 implements PEP 552, introducing support for deterministic bytecode. # This is automatically used when `SOURCE_DATE_EPOCH` is set. 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" | $out/bin/python -OO -m compileall -q -f -x "lib2to3" -i - ''; passthru = let pythonPackages = callPackage ../../../../../top-level/python-packages.nix {python=self; overrides=packageOverrides;}; in rec { inherit libPrefix sitePackages x11Support hasDistutilsCxxPatch; executable = "${libPrefix}m"; buildEnv = callPackage ../../wrapper.nix { python = self; inherit (pythonPackages) requiredPythonModules; }; withPackages = import ../../with-packages.nix { inherit buildEnv pythonPackages;}; pkgs = pythonPackages; isPy3 = true; isPy37 = true; is_py3k = true; # deprecated 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 = licenses.psfl; platforms = with platforms; linux ++ darwin; maintainers = with maintainers; [ fridh kragniz ]; }; }