Trim trailing empty strings when converting to f-strings #8712
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dhruvmanila
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May 27, 2024
## Summary This PR brings back the functionality to remove empty strings when converting to an f-string in `UP032`. For context, #8712 added this functionality to remove _trailing_ empty strings but it got removed in #8697 possibly unexpectedly so. There's one difference which is that this PR will remove _any_ empty strings and not just trailing ones. For example, ```diff --- /Users/dhruv/playground/ruff/src/UP032.py +++ /Users/dhruv/playground/ruff/src/UP032.py @@ -1,7 +1,5 @@ ( - "{a}" - "" - "{b}" - "" -).format(a=1, b=1) + f"{1}" + f"{1}" +) ``` ## Test Plan Run `cargo insta test` and update the snapshots.
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Summary
When converting from a
.formatcall to an f-string, we can trim any trailing empty tokens.Closes #8683.