diff options
Diffstat (limited to 'pkgs/development/interpreters/python/cpython/3.7/default.nix')
| -rw-r--r-- | pkgs/development/interpreters/python/cpython/3.7/default.nix | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/pkgs/development/interpreters/python/cpython/3.7/default.nix b/pkgs/development/interpreters/python/cpython/3.7/default.nix new file mode 100644 index 00000000000..aae1041a224 --- /dev/null +++ b/pkgs/development/interpreters/python/cpython/3.7/default.nix @@ -0,0 +1,178 @@ +{ 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 = "rc1"; + pythonVersion = majorVersion; + version = "${majorVersion}.${minorVersion}${minorVersionSuffix}"; + libPrefix = "python${majorVersion}"; + sitePackages = "lib/${libPrefix}/site-packages"; + + buildInputs = filter (p: p != null) [ + zlib bzip2 expat lzma libffi gdbm sqlite readline ncurses openssl ] + ++ optionals x11Support [ tcl tk libX11 xproto ] + ++ optionals stdenv.isDarwin [ CF configd ]; + +in stdenv.mkDerivation { + name = "python3-${version}"; + pythonVersion = majorVersion; + inherit majorVersion version; + + inherit buildInputs; + + src = fetchurl { + url = "https://www.python.org/ftp/python/${majorVersion}.${minorVersion}/Python-${version}.tar.xz"; + sha256 = "1dqb1in7xlvq7959pvvxpm50nz5jk7ifxza2x4hfvqr31jvbkky9"; + }; + + NIX_LDFLAGS = optionalString stdenv.isLinux "-lgcc_s"; + + # Determinism: We fix the hashes of str, bytes and datetime objects. + PYTHONHASHSEED=0; + + prePatch = optionalString stdenv.isDarwin '' + substituteInPlace configure --replace '`/usr/bin/arch`' '"i386"' + substituteInPlace configure --replace '-Wl,-stack_size,1000000' ' ' + ''; + + patches = [ + ./no-ldconfig.patch + ]; + + postPatch = '' + '' + optionalString (x11Support && (tix != null)) '' + substituteInPlace "Lib/tkinter/tix.py" --replace "os.environ.get('TIX_LIBRARY')" "os.environ.get('TIX_LIBRARY') or '${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" + ]; + + 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" | $out/bin/python -OO -m compileall -q -f -x "lib2to3" -i - + ''; + + passthru = let + pythonPackages = callPackage ../../../../../top-level/python-packages.nix {python=self; overrides=packageOverrides;}; + in rec { + inherit libPrefix sitePackages x11Support; + executable = "${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 ]; + }; +} |