python3-protobuf: fix build with Python 3.11

srcpkgs/python3-protobuf/patches/python-3.11.patch

@@ -0,0 +1,46 @@
+--- a/google/protobuf/pyext/descriptor.cc
++++ b/google/protobuf/pyext/descriptor.cc
+@@ -91,6 +91,12 @@ PyObject* PyString_FromCppString(const s
+ //
+ // TODO(amauryfa): Change the proto2 compiler to remove the assignments, and
+ // remove this hack.
++#if PY_VERSION_HEX < 0x03090000
++#define PyFrame_GetCode(x) (x)->f_code
++#define PyFrame_GetGlobals(x) (x)->f_globals
++#define PyFrame_GetLocals(x) (x)->f_locals
++#define PyFrame_GetBack(x) (x)->f_back
++#endif
+ bool _CalledFromGeneratedFile(int stacklevel) {
+ #ifndef PYPY_VERSION
+   // This check is not critical and is somewhat difficult to implement correctly
+@@ -100,18 +106,18 @@ bool _CalledFromGeneratedFile(int stackl
+     return false;
+   }
+   while (stacklevel-- > 0) {
+-    frame = frame->f_back;
++    frame = PyFrame_GetBack(frame);
+     if (frame == nullptr) {
+       return false;
+     }
+   }
+ 
+-  if (frame->f_code->co_filename == nullptr) {
++  if (PyFrame_GetCode(frame)->co_filename == nullptr) {
+     return false;
+   }
+   char* filename;
+   Py_ssize_t filename_size;
+-  if (PyString_AsStringAndSize(frame->f_code->co_filename,
++  if (PyString_AsStringAndSize(PyFrame_GetCode(frame)->co_filename,
+                                &filename, &filename_size) < 0) {
+     // filename is not a string.
+     PyErr_Clear();
+@@ -132,7 +138,7 @@ bool _CalledFromGeneratedFile(int stackl
+     return false;
+   }
+ 
+-  if (frame->f_globals != frame->f_locals) {
++  if (PyFrame_GetGlobals(frame) != PyFrame_GetLocals(frame)) {
+     // Not at global module scope
+     return false;
+   }