I am working on a test fixture for the slash framework which needs to modify the behavior of time.sleep. For reasons I cannot use pytest, so I am trying to roll my own basic monkeypatching support. I am able to replace time.sleep easily enough for things that just import time, but some things do from time import sleep before my fixture is instantiated. So far I'm using gc.get_referrers to track down any references to sleep before replacing them: self._real_sleep = time.sleep for ref in gc.get_referrers(time.sleep): if (isinstance(ref, dict) and "__name__" in ref and "sleep" in ref and ref["sleep"] is self._real_sleep): self._monkey_patch(ref) In practice this works, but it feels very ugly. I do have access to reasonably current python (currently on 3.11), just limited ability to add 3rd party dependencies. Is there a better/safer way to find references to a thing or to patch out a thing globally, using only standard library methods? Continue reading...
