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PR Check ResultsEcosystem✅ ecosystem check detected no changes. BenchmarkLinuxWindows |
MichaReiser
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Jun 26, 2023
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| x21 = ( | ||
| a | ||
| # trailing name own line | ||
| .b | ||
| ) |
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Can you add one example where the outer most attribute chain has leading and trailing comments too?
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| } else if let Expr::Attribute(expr_attribute) = value.as_ref() { | ||
| // We're in a attribute chain (`a.b.c`). The outermost node adds parentheses if | ||
| // required, the inner ones don't need them so we skip the `Expr` formatting that | ||
| // normally adds the parentheses. | ||
| expr_attribute.format().fmt(f)?; | ||
| } else { |
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Can you add a test case where an inner attribute change is parenthesized? I wonder if we need to preserve the parentheses.
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Motation
Previously,
got formatted as
which is invalid syntax. This fixes that.
Summary
This implements a basic form of attribute chaining (https://black.readthedocs.io/en/stable/the_black_code_style/current_style.html#call-chains) by checking if any inner attribute access contains an own line comment, and if this is the case, adds parentheses around the outermost attribute access while disabling parentheses for all inner attribute expressions. We want to replace this with an implementation that uses recursion or a stack while formatting instead of in
needs_parenthesesand also includes calls rather sooner than later, but i'm fixing this now because i'm uncomfortable with having known invalid syntax generation in the formatter.Test Plan
I added new fixtures.