[issue34309] Trouble when reloading extension modules.

Change by Dong-hee Na : -- nosy: +corona10 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue34309] Trouble when reloading extension modules.

Shakeeb Alireza added the comment: In my project (https://github.com/shakfu/py-js), which provides an embedded python3 interpreter to Max/MSP in the form of an 'external' plugin, I have faced similar issues of being unable to reload extension modules, namely numpy, without reliably crashing

[issue34309] Trouble when reloading extension modules.

Change by Brett Cannon : -- nosy: -brett.cannon ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue34309] Trouble when reloading extension modules.

Change by STINNER Victor : -- nosy: +vstinner ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue34309] Trouble when reloading extension modules.

chris added the comment: For short-term / mid-term we have now decided to start python as seperate process and interact with some kind of IPC. That leads to a limited interaction model between python and the embedded app but it has the advantage that unloading is possible (by simply

[issue34309] Trouble when reloading extension modules.

Nick Coghlan added the comment: As others have noted, dynamically reloading CPython extension modules is akin to dynamically reloading any other C/C++ shared library, so it has enough opportunities for things to go wrong that we consider allowing the shared state to persist across

[issue34309] Trouble when reloading extension modules.

Stefan Behnel added the comment: a) Probably not something to fix in released versions any more, so increasing version from 3.5 to 3.8. b) Regarding shared library unloading and the problems mentioned, I'm also not sure if there is a way to safely unload transitively imported libraries,

[issue34309] Trouble when reloading extension modules.

Eric Snow added the comment: I've changed the issue title to reflect where things stand. Hmm, doing so reminded me of an important consideration here. A module object is effectively a fairly light wrapper around a dict. When you call importlib.reload() the loader from the module's spec is