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05 Deprecate old backward compatible shims in configure_formatter()/handler(). · Issue #115032 · python/cpython · GitHub
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Deprecate old backward compatible shims in configure_formatter()/handler(). #115032

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Deprecate old backward compatible shims in configure_formatter()/handler().#115032
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stdlibStandard Library Python modules in the Lib/ directorytype-featureA feature request or enhancement
@felixxm

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@felixxm
felixxm
opened on Feb 5, 2024

Feature or enhancement

Proposal:

DictConfigurator.configure_formatter() and configure_handler() contain workarounds for old configurations

cpython/Lib/logging/config.py

Lines 670 to 676 in bcccf1f

#Name of parameter changed from fmt to format.
#Retry with old name.
#This is so that code can be used with older Python versions
#(e.g. by Django)
config['fmt'] = config.pop('format')
config['()'] = factory
result = self.configure_custom(config)

cpython/Lib/logging/config.py

Lines 844 to 851 in bcccf1f

if "'stream'" not in str(te):
raise
#The argument name changed from strm to stream
#Retry with old name.
#This is so that code can be used with older Python versions
#(e.g. by Django)
kwargs['strm'] = kwargs.pop('stream')
result = factory(**kwargs)

Django doesn't use fmt and strm for many years. I think both can be deprecated and removed.

I'd like to prepare a patch, if accepted.

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

No response

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