nixpkgs/pkgs/development/interpreters/python/2.7/default.nix

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{ stdenv, fetchurl, self, callPackage, python27Packages
, bzip2, openssl, gettext
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, includeModules ? false
, db, gdbm, ncurses, sqlite, readline
, tcl ? null, tk ? null, xlibsWrapper ? null, libX11 ? null, x11Support ? !stdenv.isCygwin
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, zlib ? null, zlibSupport ? true
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, expat, libffi
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, CF, configd
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}:
assert zlibSupport -> zlib != null;
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assert x11Support -> tcl != null
&& tk != null
&& xlibsWrapper != null
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&& libX11 != null;
with stdenv.lib;
let
majorVersion = "2.7";
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version = "${majorVersion}.11";
src = fetchurl {
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url = "http://www.python.org/ftp/python/${version}/Python-${version}.tar.xz";
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sha256 = "0iiz844riiznsyhhyy962710pz228gmhv8qi3yk4w4jhmx2lqawn";
};
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
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] ++ optionals stdenv.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
];
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preConfigure = ''
# Purity.
for i in /usr /sw /opt /pkg; do
substituteInPlace ./setup.py --replace $i /no-such-path
done
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'' + optionalString (stdenv ? cc && stdenv.cc.libc != null) ''
for i in Lib/plat-*/regen; do
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substituteInPlace $i --replace /usr/include/ ${stdenv.cc.libc}/include/
done
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'' + optionalString stdenv.isDarwin ''
substituteInPlace configure --replace '`/usr/bin/arch`' '"i386"'
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substituteInPlace Lib/multiprocessing/__init__.py \
--replace 'os.popen(comm)' 'os.popen("nproc")'
'';
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configureFlags = [
"--enable-shared"
"--with-threads"
"--enable-unicode=ucs4"
] ++ optionals stdenv.isCygwin [
"--with-system-ffi"
"--with-system-expat"
"ac_cv_func_bind_textdomain_codeset=yes"
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] ++ optionals stdenv.isDarwin [
"--disable-toolbox-glue"
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];
postConfigure = if stdenv.isCygwin then ''
sed -i Makefile -e 's,PYTHONPATH="$(srcdir),PYTHONPATH="$(abs_srcdir),'
'' else null;
buildInputs =
optional (stdenv ? cc && stdenv.cc.libc != null) stdenv.cc.libc ++
[ bzip2 openssl ]
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++ optionals stdenv.isCygwin [ expat libffi ]
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++ optionals includeModules (
[ db gdbm ncurses sqlite readline
] ++ optionals x11Support [ tcl tk xlibsWrapper libX11 ]
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)
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++ optional zlibSupport zlib
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++ optional stdenv.isDarwin CF;
propagatedBuildInputs = optional stdenv.isDarwin configd;
mkPaths = paths: {
C_INCLUDE_PATH = makeSearchPathOutput "dev" "include" paths;
LIBRARY_PATH = makeLibraryPath paths;
};
# Build the basic Python interpreter without modules that have
# external dependencies.
python = stdenv.mkDerivation {
name = "python-${version}";
pythonVersion = majorVersion;
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inherit majorVersion version src patches buildInputs propagatedBuildInputs
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 = ./setup-hook.sh;
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 [[ "$item" != */test_support.py* ]]; then
rm -rf "$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}
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paxmark E $out/bin/python${majorVersion}
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${optionalString includeModules "$out/bin/python ./setup.py build_ext"}
rm "$out"/lib/python*/plat-*/regen # refers to glibc.dev
'';
passthru = rec {
inherit zlibSupport;
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isPy2 = true;
isPy27 = true;
buildEnv = callPackage ../wrapper.nix { python = self; };
withPackages = import ../with-packages.nix { inherit buildEnv; pythonPackages = python27Packages; };
libPrefix = "python${majorVersion}";
executable = libPrefix;
sitePackages = "lib/${libPrefix}/site-packages";
interpreter = "${self}/bin/${executable}";
};
enableParallelBuilding = true;
meta = {
homepage = "http://python.org";
description = "a high-level dynamically-typed programming language";
longDescription = ''
Python is a remarkably powerful dynamic programming language that
is used in a wide variety of application domains. Some of its key
distinguishing features include: clear, readable syntax; strong
introspection capabilities; intuitive object orientation; natural
expression of procedural code; full modularity, supporting
hierarchical packages; exception-based error handling; and very
high level dynamic data types.
'';
license = stdenv.lib.licenses.psfl;
platforms = stdenv.lib.platforms.all;
maintainers = with stdenv.lib.maintainers; [ chaoflow domenkozar ];
};
};
# This function builds a Python module included in the main Python
# distribution in a separate derivation.
buildInternalPythonModule =
{ moduleName
, internalName ? "_" + moduleName
, deps
}:
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if includeModules then null else stdenv.mkDerivation rec {
name = "python-${moduleName}-${python.version}";
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inherit src patches preConfigure postConfigure configureFlags;
buildInputs = [ python ] ++ deps;
inherit (mkPaths buildInputs) C_INCLUDE_PATH LIBRARY_PATH;
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# non-python gdbm has a libintl dependency on i686-cygwin, not on x86_64-cygwin
buildPhase = (if (stdenv.system == "i686-cygwin" && moduleName == "gdbm") then ''
sed -i setup.py -e "s:libraries = \['gdbm'\]:libraries = ['gdbm', 'intl']:"
'' else '''') + ''
substituteInPlace setup.py --replace 'self.extensions = extensions' \
'self.extensions = [ext for ext in self.extensions if ext.name in ["${internalName}"]]'
python ./setup.py build_ext
[ -z "$(find build -name '*_failed.so' -print)" ]
'';
installPhase =
''
dest=$out/lib/${python.libPrefix}/site-packages
mkdir -p $dest
cp -p $(find . -name "*.${if stdenv.isCygwin then "dll" else "so"}") $dest/
'';
};
# The Python modules included in the main Python distribution, built
# as separate derivations.
modules = {
bsddb = buildInternalPythonModule {
moduleName = "bsddb";
deps = [ db ];
};
curses = buildInternalPythonModule {
moduleName = "curses";
deps = [ ncurses ];
};
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curses_panel = buildInternalPythonModule {
moduleName = "curses_panel";
deps = [ ncurses modules.curses ];
};
crypt = buildInternalPythonModule {
moduleName = "crypt";
internalName = "crypt";
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deps = optional (stdenv ? glibc) stdenv.glibc;
};
gdbm = buildInternalPythonModule {
moduleName = "gdbm";
internalName = "gdbm";
deps = [ gdbm ] ++ stdenv.lib.optional stdenv.isCygwin gettext;
};
sqlite3 = buildInternalPythonModule {
moduleName = "sqlite3";
deps = [ sqlite ];
};
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} // optionalAttrs x11Support {
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tkinter = if stdenv.isCygwin then null else (buildInternalPythonModule {
moduleName = "tkinter";
deps = [ tcl tk xlibsWrapper libX11 ];
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});
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} // {
readline = buildInternalPythonModule {
moduleName = "readline";
internalName = "readline";
deps = [ readline ];
};
};
in python // { inherit modules; }