pkgs(qgis,qgis-ltr): fix sip and pyqt5_sip compatibility

See: NixOS/nixpkgs#273561

flake.nix

@@ -133,6 +133,9 @@
                 };
 
                 pyqt5 = pkgs.${python}.pkgs.pyqt5.override {
+                  # FIX sip and pyqt5_sip compatibility. See: https://github.com/NixOS/nixpkgs/issues/273561
+                  # Remove this fix in NixOS 24.05.
+                  pyqt5_sip = pkgs.${python}.pkgs.callPackage ./pkgs/qgis/pyqt5-sip.nix { };
                   withLocation = true;
                 };
 

pkgs/qgis/pyqt5-sip.nix

@@ -0,0 +1,31 @@
+# FIX sip and pyqt5_sip compatibility. See: https://github.com/NixOS/nixpkgs/issues/273561
+# Remove this fix in NixOS 24.05.
+
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "pyqt5-sip";
+  version = "12.13.0";
+
+  src = fetchPypi {
+    pname = "PyQt5_sip";
+    inherit version;
+    hash = "sha256-fzIdr4S5ydvKYbgOHvN72v/A6TMS7a4s19oluVOXHZE=";
+  };
+
+  # There is no test code and the check phase fails with:
+  # > error: could not create 'PyQt5/sip.cpython-38-x86_64-linux-gnu.so': No such file or directory
+  doCheck = false;
+  pythonImportsCheck = ["PyQt5.sip"];
+
+  meta = with lib; {
+    description = "Python bindings for Qt5";
+    homepage    = "https://www.riverbankcomputing.com/software/sip/";
+    license     = licenses.gpl3Only;
+    platforms   = platforms.mesaPlatforms;
+    maintainers = with maintainers; [ sander ];
+  };
+}