Fixed RecursionError caused by giving config_from_object nested mod…
#8619
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…ule that does not exist (celery#8517)
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Nusnus
reviewed
Nov 7, 2023
| with pytest.raises(ModuleNotFoundError) as exc: | ||
| self.app.config_from_object(f'{__name__}.bar') | ||
| # the module must exist, but it should not have the config attr | ||
| assert self.app.conf.broker_url is None |
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Shouldn't this and the next assertion be outside the with scope?
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is this resolved? @frolenkov-nikita
Nusnus
reviewed
Nov 7, 2023
|
Thank you very much, I've incorporated your feedback. |
auvipy
reviewed
Nov 8, 2023
auvipy
approved these changes
Nov 8, 2023
Nusnus
approved these changes
Nov 8, 2023
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Fixed RecursionError caused by giving
config_from_objectnested module that does not exist (#8517)Description
The problem is described by new unit test: t/unit/app/test_app.py::test_config_form_object__module_attr_does_not_exist
When you provide a string with valid module name but invalid submodule (attr) to
app.config_from_objectthe 3rd party utilkombu.utils.imports.symbol_by_namewould raiseAttributeErrorwhich would be "handled" byPendingConfiguration(UserDict)and would cause infinite recursion. This happens during the "lazy initialization" of theapp.confwhenapp.confattr is accessed.The fix is to catch
AttributeErrorand raiseModuleNotFoundErrorwhich would be propagated correctly and would provide the real error message to the end user.I don't feel very good re: this fix, I am new to this project, so your criticism is highly desired.