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PythonTask: don't crash if repr(owner) errors, deal better with bad owners

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This commit is contained in:
rdb 2016-07-09 10:02:55 +02:00
parent fd8dd360b2
commit 47d1b4e220
1 changed files with 21 additions and 11 deletions
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32
panda/src/event/pythonTask.cxx
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@ -214,6 +214,19 @@ get_upon_death() {
////////////////////////////////////////////////////////////////////
void PythonTask::
set_owner(PyObject *owner) {
#ifndef NDEBUG
if (owner != Py_None) {
PyObject *add = PyObject_GetAttrString(owner, "_addTask");
PyObject *clear = PyObject_GetAttrString(owner, "_clearTask");
if (add == NULL || !PyCallable_Check(add) ||
clear == NULL || !PyCallable_Check(clear)) {
Dtool_Raise_TypeError("owner object should have _addTask and _clearTask methods");
return;
}
}
#endif
if (_owner != NULL && _owner != Py_None && _state != S_inactive) {
unregister_from_owner();
}
@ -546,10 +559,16 @@ do_python_task() {
ostringstream strm;
#if PY_MAJOR_VERSION >= 3
PyObject *str = PyObject_ASCII(result);
if (str == NULL) {
str = PyUnicode_FromString("<repr error>");
}
strm
<< *this << " returned " << PyUnicode_AsUTF8(str);
#else
PyObject *str = PyObject_Repr(result);
if (str == NULL) {
str = PyString_FromString("<repr error>");
}
strm
<< *this << " returned " << PyString_AsString(str);
#endif
@ -672,18 +691,9 @@ call_owner_method(const char *method_name) {
if (_owner != Py_None) {
PyObject *func = PyObject_GetAttrString(_owner, (char *)method_name);
if (func == (PyObject *)NULL) {
#if PY_MAJOR_VERSION >= 3
PyObject *str = PyObject_ASCII(_owner);
task_cat.error()
<< "Owner object " << PyUnicode_AsUTF8(str) << " added to "
<< *this << " has no method " << method_name << "().\n";
#else
PyObject *str = PyObject_Repr(_owner);
task_cat.error()
<< "Owner object " << PyString_AsString(str) << " added to "
<< *this << " has no method " << method_name << "().\n";
#endif
Py_DECREF(str);
<< "Owner object added to " << *this << " has no method "
<< method_name << "().\n";
} else {
call_function(func);