pkgs/development/python-modules/pylibdmtx/default.nix

   1 { fetchFromGitHub
   2 , buildPythonPackage
   3 , pillow
   4 , numpy
   5 , libdmtx
   6 , lib
   7 }:
   8
   9 buildPythonPackage rec {
  10   pname = "pylibdmtx";
  11   version = "0.1.10";
  12   format = "setuptools";
  13
  14   src = fetchFromGitHub {
  15     owner = "NaturalHistoryMuseum";
  16     repo = pname;
  17     rev = "v${version}";
  18     hash = "sha256-vNWzhO4V0mj4eItZ0Z5UG9RBCqprIcgMGNyIe1+mXWY=";
  19   };
  20
  21   # Change:
  22   # def load():
  23   #     """Loads the libdmtx shared library.
  24   #
  25   # To:
  26   # def load():
  27   #     return cdll.LoadLibrary("/nix/store/.../lib/libdmtx.so")
  28   #     """Loads the libdmtx shared library.
  29   postPatch = ''
  30     sed -i '\#def load.*#a\    return cdll.LoadLibrary("${libdmtx}/lib/libdmtx.so")' \
  31         pylibdmtx/dmtx_library.py
  32
  33     # Checks that the loader works in various scenarios, but we just
  34     # forced it to only work one way.
  35     rm pylibdmtx/tests/test_dmtx_library.py
  36   '';
  37
  38   propagatedBuildInputs = [ pillow numpy ];
  39
  40   pythonImportsCheck = [ "pylibdmtx" ];
  41
  42   meta = with lib; {
  43     description = "Read and write Data Matrix barcodes from Python 2 and 3 using the libdmtx library";
  44     homepage = "https://github.com/NaturalHistoryMuseum/pylibdmtx/";
  45     license = licenses.mit;
  46     maintainers = with maintainers; [ grahamc ];
  47   };
  48 }