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Post #190 981
🚀 New issue to wemake-services/wemake-python-styleguide by @sobolevn
📝 False positive for `WPS430` with whitelisted name (#3589)


def wrap_handler(
method: _MethodSyncHandler | _MethodAsyncHandler,
) -> SyncErrorHandlerT | AsyncErrorHandlerT:
if inspect.iscoroutinefunction(method):

@wraps(method)
async def decorator(
endpoint: 'Endpoint',
controller: 'Controller[BaseSerializer]',
exc: Exception,
) -> HttpResponse:
return await method( # type: ignore[no-any-return]
controller.active_blueprint,
endpoint,
controller,
exc,
)

else:

@wraps(method)
def decorator(
endpoint: 'Endpoint',
controller: 'Controller[BaseSerializer]',
exc: Exception,
) -> HttpResponse:
return method( # type: ignore[return-value]
controller.active_blueprint,
endpoint,
controller,
exc,
)

return decorator

This code falsy raises two WPS430 violations.

  69:9     WPS430 Found nested function: factory
async def factory(
^

84:9 WPS430 Found nested function: factory
def factory(
^

But, the name is correct. decorator name is in whitelist of names. This is a false positive.
We need to fix it and add a test case.


#bug #help_wanted #levelstarter #good_first_issue #wemake_python_styleguide #wps
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