args: with args; let inherit (lib) optional prepareDerivationArgs concatStringsSep fix; in composableDerivation { f = args: let attr = lib.prepareDerivationArgs args; in stdenv.mkDerivation ( attr // { C_INCLUDE_PATH = concatStringsSep ":" (map (p: "${p}/include") attr.buildInputs); LIBRARY_PATH = concatStringsSep ":" (map (p: "${p}/lib") attr.buildInputs); }); initial = { postPhases = ["runCheck"]; mergeAttrBy = { pyCheck = x : y : "${x}\n${y}"; }; # should be last because it sources setup-hook of this package itself runCheck = '' PATH=$out/bin:$PATH; . $out/nix-support/setup-hook; echo -e "import sys\n$pyCheck\nprint \"import pyCheck ok\"" | python ''; inherit (args) name; # everything can be overriden by composedArgsAndFun additional args # assuming that if a module can be loaded that it does also work.. flags = { zlib = { buildInputs = [ zlib ]; pyCheck = "import zlib"; }; gdbm = { buildInputs = [ gdbm ]; pyCheck = "import gdbm"; }; sqlite = { buildInputs = [ sqlite ]; pyCheck = "import sqlite3"; }; db4 = { buildInputs = [ db4 ]; }; # TODO add pyCheck readline = { buildInputs = [ readline ]; }; # doesn't work yet (?) openssl = { buildInputs = [ openssl ]; pyCheck ="import socket\nsocket.ssl"; }; }; src = fetchurl { url = http://www.python.org/ftp/python/2.5.2/Python-2.5.2.tar.bz2; sha256 = "0gh8bvs56vdv8qmlfmiwyczjpldj0y3zbzd0zyhyjfd0c8m0xy7j"; }; configureFlags = ["--enable-shared" "--with-wctype-functions"]; buildInputs = optional (stdenv ? gcc && stdenv.gcc.libc != null) stdenv.gcc.libc ++ [bzip2 ncurses]; patches = [ # Look in C_INCLUDE_PATH and LIBRARY_PATH for stuff. ./search-path.patch # make python know about libraries reading .pth files # http://docs.python.org/library/site.html#module-site # TODO: think about security (see the other code contained in site.py) ./nix-find-sites-2.5.patch ]; preConfigure = '' # Purity. for i in /usr /sw /opt /pkg; do substituteInPlace ./setup.py --replace $i /no-such-path done export NIX_LDFLAGS="$NIX_LDFLAGS -lncurses" ''; postInstall = " rm -rf $out/lib/python2.5/test "; }; }