Fix compilation issues with Python 3.13

dtool/src/interrogatedb/py_compat.cxx

@@ -33,7 +33,11 @@ size_t PyLongOrInt_AsSize_t(PyObject *vv) {
   size_t bytes;
   int one = 1;
   int res = _PyLong_AsByteArray((PyLongObject *)vv, (unsigned char *)&bytes,
-                                SIZEOF_SIZE_T, (int)*(unsigned char*)&one, 0);
+                                SIZEOF_SIZE_T, (int)*(unsigned char*)&one, 0,
+#if PY_VERSION_HEX >= 0x030d0000
+                                , 1 // with_exceptions
+#endif
+                                );
 
   if (res < 0) {
     return (size_t)res;

dtool/src/interrogatedb/py_compat.h

@@ -255,6 +255,12 @@ INLINE bool PyLong_IsNonNegative(PyObject *value) {
 }
 #endif
 
+/* Python 3.13 */
+
+#if PY_VERSION_HEX < 0x030D00A1
+#  define PyLong_AsInt(x) (_PyLong_AsInt(x))
+#endif
+
 /* Other Python implementations */
 
 // _PyErr_OCCURRED is an undocumented macro version of PyErr_Occurred.

dtool/src/interrogatedb/py_panda.cxx

@@ -765,7 +765,7 @@ PyObject *copy_from_make_copy(PyObject *self, PyObject *noargs) {
  */
 PyObject *copy_from_copy_constructor(PyObject *self, PyObject *noargs) {
   PyObject *callable = (PyObject *)Py_TYPE(self);
-  return _PyObject_FastCall(callable, &self, 1);
+  return PyObject_CallOneArg(callable, self);
 }
 
 /**
@@ -850,7 +850,9 @@ bool Dtool_ExtractOptionalArg(PyObject **result, PyObject *args, PyObject *kwds,
       }
 
       // We got the item, we just need to make sure that it had the right key.
-#if PY_VERSION_HEX >= 0x03060000
+#if PY_VERSION_HEX >= 0x030d0000
+      return PyUnicode_CheckExact(key) && PyUnicode_EqualToUTF8(key, keyword);
+#elif PY_VERSION_HEX >= 0x03060000
       return PyUnicode_CheckExact(key) && _PyUnicode_EqualToASCIIString(key, keyword);
 #elif PY_MAJOR_VERSION >= 3
       return PyUnicode_CheckExact(key) && PyUnicode_CompareWithASCIIString(key, keyword) == 0;

panda/src/putil/bitArray_ext.cxx

@@ -44,7 +44,11 @@ __init__(PyObject *init_value) {
     _PyLong_AsByteArray((PyLongObject *)init_value,
       (unsigned char *)&_this->_array[0],
       num_words * sizeof(BitArray::WordType),
-      1, 0);
+      1, 0
+#if PY_VERSION_HEX >= 0x030d0000
+      , 1 // with_exceptions
+#endif
+      );
   }
 }
 

panda/src/putil/doubleBitMask_ext.I

@@ -42,7 +42,11 @@ __init__(PyObject *init_value) {
   if (n > 0) {
     size_t num_bytes = (n + 7) / 8;
     unsigned char *bytes = (unsigned char *)alloca(num_bytes);
-    _PyLong_AsByteArray((PyLongObject *)init_value, bytes, num_bytes, 1, 0);
+    _PyLong_AsByteArray((PyLongObject *)init_value, bytes, num_bytes, 1, 0
+#if PY_VERSION_HEX >= 0x030d0000
+      , 1 // with_exceptions
+#endif
+    );
 
     for (size_t i = 0; i < num_bytes; ++i) {
       this->_this->store(bytes[i], i * 8, 8);
@@ -60,7 +64,13 @@ __int__() const {
   if (!this->_this->_hi.is_zero()) {
     PyObject *lo = result;
     PyObject *hi = invoke_extension(&this->_this->_hi).__int__();
+#if PY_VERSION_HEX >= 0x030d0000
+    PyObject *half_bits = PyLong_FromUnsignedLong(DoubleBitMask<BMType>::half_bits);
+    PyObject *shifted = PyNumber_Lshift(hi, half_bits);
+    Py_DECREF(half_bits);
+#else
     PyObject *shifted = _PyLong_Lshift(hi, DoubleBitMask<BMType>::half_bits);
+#endif
     Py_DECREF(hi);
     result = PyNumber_Or(shifted, lo);
     Py_DECREF(shifted);

pandatool/src/deploy-stub/deploy-stub.c

@@ -827,7 +827,9 @@ int main(int argc, char *argv[]) {
       new_moddef->code = moddef->code;
       new_moddef->size = moddef->size < 0 ? -(moddef->size) : moddef->size;
       new_moddef->is_package = moddef->size < 0;
+#if PY_VERSION_HEX < 0x030d0000 // 3.13
       new_moddef->get_code = NULL;
+#endif
       new_moddef++;
     }
 #endif