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

   1 {
   2   fetchFromGitHub,
   3   buildPythonPackage,
   4   pillow,
   5   numpy,
   6   libdmtx,
   7   lib,
   8 }:
   9
  10 buildPythonPackage rec {
  11   pname = "pylibdmtx";
  12   version = "0.1.10";
  13   format = "setuptools";
  14
  15   src = fetchFromGitHub {
  16     owner = "NaturalHistoryMuseum";
  17     repo = pname;
  18     rev = "v${version}";
  19     hash = "sha256-vNWzhO4V0mj4eItZ0Z5UG9RBCqprIcgMGNyIe1+mXWY=";
  20   };
  21
  22   # Change:
  23   # def load():
  24   #     """Loads the libdmtx shared library.
  25   #
  26   # To:
  27   # def load():
  28   #     return cdll.LoadLibrary("/nix/store/.../lib/libdmtx.so")
  29   #     """Loads the libdmtx shared library.
  30   postPatch = ''
  31     sed -i '\#def load.*#a\    return cdll.LoadLibrary("${libdmtx}/lib/libdmtx.so")' \
  32         pylibdmtx/dmtx_library.py
  33
  34     # Checks that the loader works in various scenarios, but we just
  35     # forced it to only work one way.
  36     rm pylibdmtx/tests/test_dmtx_library.py
  37   '';
  38
  39   propagatedBuildInputs = [
  40     pillow
  41     numpy
  42   ];
  43
  44   pythonImportsCheck = [ "pylibdmtx" ];
  45
  46   meta = with lib; {
  47     description = "Read and write Data Matrix barcodes from Python 2 and 3 using the libdmtx library";
  48     homepage = "https://github.com/NaturalHistoryMuseum/pylibdmtx/";
  49     license = licenses.mit;
  50     maintainers = with maintainers; [ grahamc ];
  51   };
  52 }