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{ stdenv, fetchurl, zlib ? null, zlibSupport ? true, bzip2
, gdbmSupport ? true, gdbm ? null
, sqlite ? null
, db4 ? null
, readline ? null
, openssl ? null
, tk ? null
, tcl ? null
, libX11 ? null
, xproto ? null
, arch ? null
, sw_vers ? null
, ncurses ? null
}:
assert zlibSupport -> zlib != null;
assert gdbmSupport -> gdbm != null;
assert stdenv.isDarwin -> arch != null;
assert stdenv.isDarwin -> sw_vers != null;
with stdenv.lib;
let
majorVersion = "2.7";
version = "${majorVersion}";
buildInputs =
optional (stdenv ? gcc && stdenv.gcc.libc != null) stdenv.gcc.libc ++
[bzip2]
++ optional zlibSupport zlib
++ optional gdbmSupport gdbm
++ optional (sqlite != null) sqlite
++ optional (db4 != null) db4
++ optional (readline != null) readline
++ optional (openssl != null) openssl
++ optional (tk != null) tk
++ optional (tcl != null) tcl
++ optional (libX11 != null) libX11
++ optional (xproto != null) xproto
++ optional (arch != null) arch
++ optional (sw_vers != null) sw_vers
++ optional (ncurses != null) ncurses
;
in
stdenv.mkDerivation ( {
name = "python-${version}";
inherit majorVersion version;
src = fetchurl {
url = "http://www.python.org/ftp/python/${version}/Python-${version}.tar.bz2";
sha256 = "935d3316edfec5eb98c2f6930756b47b00dc27192541e62d6fd0077ffa008af8";
};
patches = [
# Look in C_INCLUDE_PATH and LIBRARY_PATH for stuff.
./search-path.patch
];
inherit buildInputs;
C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p}/include") buildInputs);
LIBRARY_PATH = concatStringsSep ":" (map (p: "${p}/lib") buildInputs);
configureFlags = "--enable-shared --with-threads --enable-unicode --with-wctype-functions";
preConfigure = ''
# Purity.
for i in /usr /sw /opt /pkg; do
substituteInPlace ./setup.py --replace $i /no-such-path
done
'' + (if readline != null then ''
export NIX_LDFLAGS="$NIX_LDFLAGS -lncurses"
'' else "");
setupHook = ./setup-hook.sh;
postInstall = ''
rm -rf "$out/lib/python${majorVersion}/test"
'';
passthru = {
inherit zlibSupport;
sqliteSupport = sqlite != null;
db4Support = db4 != null;
readlineSupport = readline != null;
opensslSupport = openssl != null;
tkSupport = (tk != null) && (tcl != null);
libPrefix = "python${majorVersion}";
};
enableParallelBuilding = true;
meta = {
homepage = "http://python.org";
description = "Python -- 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 = "GPLv2";
platforms = stdenv.lib.platforms.all;
maintainers = [ stdenv.lib.maintainers.simons ];
};
} // (if stdenv.isDarwin then { NIX_CFLAGS_COMPILE = "-msse2" ; patches = [./search-path.patch]; } else {} ) )
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