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Add --warn-unused-configs flag #3865

merged 2 commits into from Aug 25, 2017


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commented Aug 23, 2017

This is handy for debugging misspellings in mypy.ini, and other mishaps due to e.g. file moves.

@gvanrossum gvanrossum requested a review from ddfisher Aug 23, 2017

@@ -53,6 +53,11 @@ def main(script_path: Optional[str], args: Optional[List[str]] = None) -> None:
a = e.messages
if not e.use_stdout:
serious = True
if options.warn_unused_configs and options.unused_configs:
print("warning: unused section(s) in %s: %s" %

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gvanrossum Aug 23, 2017

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Note that the warning goes to stderr but doesn't get routed via the Errors object so it doesn't get included in the junit.xml file (if we write it). Then again it's not associated with any particular file, and I'm not sure if the Error class supports such errors. (All other warnings related to the config file also just go to stderr directly.)

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@ddfisher ddfisher merged commit f1fbb1e into python:master Aug 25, 2017

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@gvanrossum gvanrossum deleted the gvanrossum:warn-unused-configs branch Aug 25, 2017

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