[pyupgrade] Fix false positive when class name is shadowed by local variable (UP008)#20427
Merged
ntBre merged 3 commits intoastral-sh:mainfrom Sep 18, 2025
Merged
[pyupgrade] Fix false positive when class name is shadowed by local variable (UP008)#20427ntBre merged 3 commits intoastral-sh:mainfrom
pyupgrade] Fix false positive when class name is shadowed by local variable (UP008)#20427ntBre merged 3 commits intoastral-sh:mainfrom
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ntBre
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Sep 17, 2025
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Thanks! I just had a minor simplification suggestion, but this looks good to me.
Comment on lines
+150
to
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| if first_arg_id == parent_name.as_str() { | ||
| let scope = checker.semantic().current_scope(); | ||
| if scope.has(first_arg_id) { | ||
| return; | ||
| } | ||
| } |
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Can we combine this with the other first_arg_id == parent_name.as_str() check to avoid having to check that twice?
if !((first_arg_id == "__class__"
|| (first_arg_id == parent_name.as_str()
&& !checker.semantic().current_scope().has(first_arg_id)))
&& second_arg_id == parent_arg.name().as_str())
{
return;
}This condition is definitely getting a bit unwieldy, but I don't think it's too much worse.
An alternative approach here would be to resolve the binding of the first argument name and compare that to the binding of the parent class, but I think this check is okay because any intervening scope should also disable the rule. The current approach is a bit simpler.
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Summary
Fixes #20422