307 lines
11 KiB
Nix
307 lines
11 KiB
Nix
# the nix-python way..
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# By default python looks in the $prefix/lib/python-$version/site-packages directory
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# and reads the .pth files to add the library paths to sys.path.
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# Using PYHTONPATH is not enough because it doesn't make python read the .pth files
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# telling python where to find additional modules. PYTHONUSERBASE would suffice, but
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# it only supports *one* user location. That's why I've added the new env var NIX_PYTHON_SITES
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# containing a colon separated list of modules telling python where to look
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# for imports and also read the .pth files
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p: # p = pkgs
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let
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inherit (p) lib fetchurl stdenv getConfig;
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in
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lib.fix ( t : { # t = this attrs
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version = "2.5";
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versionAttr = "python25";
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# see pythonFull.
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pythonMinimal = ( (import ./python.nix) {
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name = "python-${t.version}";
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inherit (p) fetchurl stdenv lib bzip2 ncurses composableDerivation;
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inherit (p) zlib sqlite db4 readline openssl gdbm;
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});
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# python wiht all features enabled.
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# if you really need a stripped version we should add __overides
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# so that you can replace it the way it's done in all-packages.nix
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pythonFull = t.pythonMinimal.passthru.fun {
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name = "python-${t.version}-full";
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cfg = {
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zlibSupport = true;
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sqliteSupport = true;
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db4Support = true;
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readlineSupport = true;
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opensslSupport = true;
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gdbmSupport = true;
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};
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};
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# python wrapper. You should install this
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# It automatically wrapps python adding NIX_PYTHON_SITES so that you can use all the libraries
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# when running the wrapper from the console.
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# configuration:
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# python25 = { wrapperLibs = let p = pkgs.python25New; in [ p.wxPython25 p.name p.name2 ]; };
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# python25 = { wrapperLibs = [ "all" ]; }; # install all libraries provided by this file
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# TODO: does pydoc find stuff from libraries?
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pythonWrapper = stdenv.mkDerivation {
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name = "${t.pythonFull.name}-wrapper";
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# [1] using full because I feel installing various versions isn't any better
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phases = "buildPhase";
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buildInputs = [ p.makeWrapper ]
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++ lib.concatMap (x: if x == "all" then t.all else [x]) (getConfig [t.versionAttr "wrapperLibs"] []);
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buildPhase = ''
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ensureDir $out/bin
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cat >> $out/bin/python << EOF
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export NIX_PYTHON_SITES=\$NIX_PYTHON_SITES:$NIX_PYTHON_SITES
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exec ${t.pythonFull}/bin/python "\$@"
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EOF
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chmod +x $out/bin/python
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'';
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};
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### basic support for installing python libraries
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# set pyCheck to a small python snippet importing all modules of this python
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# lib to verify it works
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# You can define { python25 { debugCmd = "DISPLAY=:0.0 pathtoxterm"; }
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# in your config for easier debugging..
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pythonLibStub = p.composableDerivation {
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initial = {
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propagatedBuildInputs = [ t.pythonFull ]; # see [1]
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postPhases = ["postAll"]; # using new name so that you dno't override this phase by accident
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prePhases = ["defineValidatingEval"];
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# ensure phases are run or a non zero exit status is caused (if there are any syntax errors such as eval "while")
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defineValidatingEval = ''
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eval(){
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e="$(type eval | { read; while read line; do echo $line; done })"
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unset eval;
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local evalSucc="failure"
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eval "evalSucc=ok;""$1"
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eval "$e"
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[ $evalSucc = "failure" ] && { echo "eval failed, snippet:"; echo "$1"; return 1; }
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}
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'';
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postAll = ''
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ensureDir $out/nix-support
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echo "export NIX_PYTHON_SITES=\"$out:\$NIX_PYTHON_SITES\"" >> $out/nix-support/setup-hook
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# run check
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[ -n "$pyCheck" ] \
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&& ( . $out/nix-support/setup-hook
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mkdir $TMP/new-test; cd $TMP/new-test
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echo PYTHONPATH=$PYTHONPATH
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echo NIX_PYTHON_SITES=$NIX_PYTHON_SITES
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script="$(echo -e "import sys\nprint sys.path\npyCheck\nprint \"check ok\"")"
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script="''${script/pyCheck/$pyCheck}"
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echo "check script is"; echo "$script"
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echo "$script" | /var/run/current-system/sw/bin/strace -o $TMP/strace -f python || { ${ getConfig [t.versionAttr "debugCmd"] ":"} ; exit 1; }
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)'';
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passthru = {
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libPython = t.version; # used to find all python libraries fitting this version (-> see name all below)
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};
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mergeAttrBy = {
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postCheck = x : y : "${x}\n${y}";
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};
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};
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};
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# same as pythonLibStub, but runs default python setup.py actions
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pythonLibSetup = t.pythonLibStub.passthru.fun {
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buildPhase = ''python setup.py $setupFlags build'';
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installPhase = ''python setup.py $setupFlags install --prefix=$out'';
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mergeAttrBy = {
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setupFlags = lib.concatList;
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};
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};
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### python libraries:
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wxPythonBaseFun = (t.pythonLibSetup.passthru.funMerge (a :
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let inherit (a.fixed) wxGTK version; in
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{
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buildInputs = [p.pkgconfig wxGTK (wxGTK.gtk)];
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setupFlags=["WXPORT=gtk2 NO_HEADERS=1 BUILD_GLCANVAS=0 BUILD_OGL=0 UNICODE=1"];
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configurePhase = ''cd wxPython'';
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pyCheck = "import wx";
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name = "wxPython-${version}";
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meta = { # 2.6.x and 2.8.x
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description="A blending of the wxWindows C++ class library with Python";
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homepage="http://www.wxpython.org/";
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license="wxWinLL-3";
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};
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}
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)).passthru.fun;
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wxPython26 = t.wxPythonBaseFun {
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version = "2.6.3.3";
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passthru = { wxGTK = p.wxGTK26; };
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src = fetchurl {
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url = mirror://sourceforge/wxpython/wxPython-src-2.6.3.3.tar.bz2;
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md5 = "66b9c5f8e20a9505c39dab1a1234daa9";
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};
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};
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# compilation errors
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#wxPython28 = t.wxPythonBaseFun {
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# version = "2.8.9.1";
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# passthru = { wxGTK = wxGTK28; };
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# src = fetchurl {
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# url = mirror://sourceforge.net/sourceforge/wxpython/wxPython-src-2.8.9.1.tar.bz2;
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# sha256 = "1yp7l2c2lfpwc2x5lk5pawmzq2bqajzhbzqs1p10jd211slwhjsq";
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# };
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#};
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# couldn't download source
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#foursuite = pythonLibSetup.passthru.fun {
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# version = "1.0.2";
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# name = "4suite-${version}";
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# src = fetchurl {
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# url = "mirror://sourceforge/foursuite/4Suite-XML-${version}.tar.bz2";
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# sha256 = "0g5cyqxhhiqnvqk457k8sb97r18pwgx6gff18q5296xd3zf4cias";
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# };
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#};
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#bsddb3 = t.pythonLibSetup.passthru.fun {
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# version = "1.0.2";
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# name = "bsddb3-4.5.0";
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# setupFlags = ["--berkeley-db=${p.db4}"];
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# src = fetchurl {
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# url = mirror://sourceforge/pybsddb/bsddb3-4.5.0.tar.gz;
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# sha256 = "1h09kij32iikr9racp5p7qrb4li2gf2hs0lyq6d312qarja4d45v";
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# };
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#};
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pygobject = t.pythonLibStub.passthru.fun {
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name = "pygobject-2.15.4";
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flags = { libffi = { buildInputs = [p.libffi];}; };
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cfg = { libffi = true; };
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buildInputs = [ p.pkgconfig p.gtkLibs.glib];
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src = fetchurl {
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url = "http://ftp.gnome.org/pub/GNOME/sources/pygobject/2.15/pygobject-2.15.4.tar.bz2";
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sha256 = "19vxczy01xyss2f5aqf93al3jzrxn50srgzkl4w7ivdz50rnjin7";
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};
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pyCheck = "import gobject";
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};
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pygtkBaseFun = (t.pythonLibStub.passthru.funMerge (a :
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let inherit (a.fixed) glib gtk version; in {
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name = "pygtk-${version}";
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buildInputs = [p.pkgconfig glib gtk];
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propagatedBuildInputs = [t.pygobject t.pycairo ];
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flags = {
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cairo = { buildInputs = [ p.cairo ]; }; # TODO add pyCheck
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glade = { buildInputs = [ p.glade ]; }; # TODO add pyCheck
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};
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cfg = {
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glade = true;
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cairo = true;
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};
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}
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)).passthru.fun;
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#pygtk213 = t.pygtkBaseFun {
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# version = "2.13.0";
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# src = fetchurl {
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# url = http://ftp.gnome.org/pub/GNOME/sources/pygtk/2.13/pygtk-2.13.0.tar.bz2;
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# sha256 = "0644ll48hi8kwfng37b0k5qgb0fbiy298r7sxd4j7ag7lj4bgic0";
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# };
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# passthru = { inherit (p.gtkLibs) glib gitk; };
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# pyCheck = ''
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# import pygtk; pygtk.require('2.0')
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# import gtk
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# '';
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#};
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pygtk212 = t.pygtkBaseFun {
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version = "2.12.1";
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src = fetchurl {
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url = http://ftp.acc.umu.se/pub/GNOME/sources/pygtk/2.12/pygtk-2.12.1.tar.bz2;
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sha256 = "0gg13xgr7y9sppw8bdys042928nc66czn74g60333c4my95ys021";
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};
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passthru = { inherit (p.gtkLibs) glib gtk; };
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pyCheck = ''
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import pygtk; pygtk.require('2.0')
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import gtk
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'';
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patches = [ ./pygtk-2.12.1-fix-amd64-from-gentoo.patch ];
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};
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pycairo = t.pythonLibStub.passthru.fun {
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name = "pycairo-1.8.0";
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buildInputs = [ p.pkgconfig p.cairo p.x11 ];
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src = fetchurl {
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url = http://www.cairographics.org/releases/pycairo-1.6.4.tar.gz;
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md5 = "2c3aa21e6e610321498f9f81f7b625df";
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};
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pyCheck = "import cairo";
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};
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gstPython = t.pythonLibStub.passthru.fun {
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name = "gst-python-0.10.13";
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src = fetchurl {
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url = http://gstreamer.freedesktop.org/src/gst-python/gst-python-0.10.13.tar.gz;
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sha256 = "0yin36acr5ryfpmhlb4rlagabgxrjcmbpizwrc8csadmxzmigb86";
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};
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buildInputs =[ p.flex2535 p.pkgconfig];
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propagatedBuildInputs = [
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t.pygtk212
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p.gst_all.gstreamer
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p.gst_all.gstPluginsBase
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p.gst_all.gstPluginsGood
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];
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pyCheck = ''
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import pygst
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pygst.require('0.10')
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import gst
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'';
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meta = {
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description = "python gstreamer bindings";
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homepage = http://gstreamer.freedesktop.org/modules/gst-python.html;
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license = "GPLv2.1";
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};
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};
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### python applications
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pythonExStub = p.composableDerivation {
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initial = {
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buildInputs = [p.makeWrapper];
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postPhases = ["wrapExecutables"];
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propagatedBuildInputs = [ t.pythonFull ]; # see [1]
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wrapExecutables = ''
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for prog in $out/bin/*; do
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wrapProgram "$prog" \
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--set NIX_PYTHON_SITES "$NIX_PYTHON_SITES"
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done
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'';
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};
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};
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pitivi = t.pythonExStub.passthru.fun {
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name = "pitivi-0.11.2";
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src = fetchurl {
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url = http://ftp.gnome.org/pub/GNOME/sources/pitivi/0.11/pitivi-0.11.2.tar.bz2;
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sha256 = "0d3bqgfp60qm5bf904k477bd8jhxizj1klv84wbxsz9vhjwx9zcl";
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};
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buildInputs =[ t.pygtk212 t.gstPython p.intltool p.gettext p.makeWrapper p.gettext ];
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# why do have to add gtk-2.0 explicitely?
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meta = {
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description = "A non-linear video editor using the GStreamer multimedia framework";
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homepage = http://www.pitivi.org/wiki/Downloads;
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license = "LGPL-2.1";
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};
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postInstall = ''
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# set the python which has been used to compile this package
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sed -i -e 's@#!.*@#!'"$(which python)@" $out/bin/pitivi
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'';
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};
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all = lib.filter (x:
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(__isAttrs x)
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&& ((lib.maybeAttr "libPython" false x) == t.version)
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&& (lib.maybeAttr "name" false x != false) # don't collect pythonLibStub etc
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) (lib.flattenAttrs (removeAttrs t ["all"])); # nix is not yet lazy enough, so I've to remove all first
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})
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