python3Packages.gpapi: Fix build; modernize (#351045)

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

@@ -6,34 +6,51 @@
   protobuf,
   pycryptodome,
   requests,
+  protobuf_27,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   version = "0.4.4";
-  format = "setuptools";
   pname = "gpapi";
+  pyproject = true;
 
   src = fetchPypi {
     inherit version pname;
-    sha256 = "0ampvsv97r3hy1cakif4kmyk1ynf3scbvh4fbk02x7xrxn4kl38w";
+    sha256 = "sha256-HA06ie25ny7AXI7AvZgezvowfZ3ExalY8HDkk7betyo=";
   };
 
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace-fail 'PROTOC_EXEC = "protoc"' 'PROTOC_EXEC = "${lib.getExe protobuf_27}"'
+  '';
+
+  build-system = [ setuptools ];
+
+  buildInputs = [
+    protobuf_27
+  ];
+
+  dependencies = [
+    cryptography
+    protobuf
+    pycryptodome
+    requests
+  ];
+
+  preBuild = ''
+    export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION="python"
+  '';
+
   # package doesn't contain unit tests
   # scripts in ./test require networking
   doCheck = false;
 
   pythonImportsCheck = [ "gpapi.googleplay" ];
 
-  propagatedBuildInputs = [
-    cryptography
-    protobuf
-    pycryptodome
-    requests
-  ];
-
-  meta = with lib; {
+  meta = {
     homepage = "https://github.com/NoMore201/googleplay-api";
-    license = licenses.gpl3Only;
+    license = lib.licenses.gpl3Only;
     description = "Google Play Unofficial Python API";
     maintainers = [ ];
   };