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