> In the "Object Lifetime" section you say "registers should be cleared upon > last reference". That isn't safe, since there can be hidden dependencies on > side effects of __del__, e.g.: > > process_objects = create_pipeline() > output_process = process_objects[-1] > return output_process.wait() > > If the process class terminates the process in __del__ (PyQt5's QProcess > does), then implicitly deleting process_objects after the second line will > break the code.
Yeah, that is old writing, so is probably less clear (no pun intended) than it should be. In frame_dealloc, Py_CLEAR is called for stack/register slots instead of just Py_XDECREF. Might not be necessary. Skip _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/2SHROF3OEMZ7G3KBA3L2EKMGWYRWS5LV/ Code of Conduct: http://python.org/psf/codeofconduct/