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Only check filenames when end with .py in _CalledFromGeneratedFile() (#4262)

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* Cython's stack does not have .py file name. Only check filenames when end with .py for _CalledFromGeneratedFile()
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Jie Luo 2018-02-09 15:54:03 -08:00 committed by GitHub
parent 96b535cc2f
commit e34ec6077a
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1 changed files with 9 additions and 4 deletions
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13
python/google/protobuf/pyext/descriptor.cc
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@ -107,10 +107,6 @@ bool _CalledFromGeneratedFile(int stacklevel) {
return false;
}
}
if (frame->f_globals != frame->f_locals) {
// Not at global module scope
return false;
}
if (frame->f_code->co_filename == NULL) {
return false;
@ -123,6 +119,10 @@ bool _CalledFromGeneratedFile(int stacklevel) {
PyErr_Clear();
return false;
}
if ((filename_size < 3) || (strcmp(&filename[filename_size - 3], ".py") != 0)) {
// Cython's stack does not have .py file name and is not at global module scope.
return true;
}
if (filename_size < 7) {
// filename is too short.
return false;
@ -131,6 +131,11 @@ bool _CalledFromGeneratedFile(int stacklevel) {
// Filename is not ending with _pb2.
return false;
}
if (frame->f_globals != frame->f_locals) {
// Not at global module scope
return false;
}
#endif
return true;
}