How to detect an undefined method?
Kirill Ratkin
kirill.ratkin at devoteam.com
Sun Mar 27 12:57:38 EDT 2022
Hi
You can get all methods of your object and check the method you want to
call is there or not.
|methods = [method for method in dir(<your_object>) if
callable(getattr(<your_object>, method))] if 'method_you_need' in
methods: <your_object>.<method_you_need> // BR |
27.03.2022 12:24, Manfred Lotz пишет:
> Let's say I have a Python app and have used an undefined method somewhere. Let
> us further assume I have not detected it thru my tests.
>
> Is there a way to detect it before deploying the app? pylint doesn't notice it.
>
>
> Minimal example:
>
> #!/usr/bin/env python3
>
> import logging
> from logging import Logger
> from random import randrange
>
> def main():
> """
> Below logger.err gives
>
> 'Logger' object has no attribute 'err'
> """
>
> logger = logging.getLogger('sample')
> logger.setLevel(logging.DEBUG)
> handler = logging.StreamHandler()
> logger.addHandler(handler)
>
> num = randrange(0,1000)
> if num == 0:
> logger.err("got zero")
> else:
> logger.info(f'got a positive integer: {num}')
>
> if __name__ == "__main__":
> main()
>
>
>
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