On 3/27/22 18:12, Peter Otten wrote:
> On 27/03/2022 11:24, Manfred Lotz wrote:
>> 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()
>
> mypy --strict will find that one. Be warned though that this is a
> slippery slope: you may end up fixing quite a few non-errors...
>
Great. I wasn't aware of --strict. Regarding 'slippery slope': I anyway would
only fix what I believe is an error.
Thanks.
--
Manfred
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