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Force parentheses for power operations in unary expressions (#7955)

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## Summary

E.g., given `-10**100`, reformat as `-(10**100)`.

Black special cases this (https://github.com/psf/black/pull/909) and
it's currently a deviation.

Closes https://github.com/astral-sh/ruff/issues/7951.
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Charlie Marsh 2023-10-15 21:41:50 -04:00 • committed by GitHub
parent b6e75e58c9
commit 3d03e75a9d
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2 changed files with 10 additions and 12 deletions
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11
crates/ruff_python_formatter/tests/snapshots/black_compatibility@simple_cases__expression.py.snap
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@ -266,15 +266,6 @@ last_call()
```diff
--- Black
+++ Ruff
@@ -31,7 +31,7 @@
-1
~int and not v1 ^ 123 + v2 | True
(~int) and (not ((v1 ^ (123 + v2)) | True))
-+(really ** -(confusing ** ~(operator**-precedence)))
++really ** -confusing ** ~operator**-precedence
flags & ~select.EPOLLIN and waiters.write_task is not None
lambda arg: None
lambda a=True: a
@@ -115,7 +115,7 @@
arg,
another,
@ -322,7 +313,7 @@ not great
-1
~int and not v1 ^ 123 + v2 | True
(~int) and (not ((v1 ^ (123 + v2)) | True))
+really ** -confusing ** ~operator**-precedence
+(really ** -(confusing ** ~(operator**-precedence)))
flags & ~select.EPOLLIN and waiters.write_task is not None
lambda arg: None
lambda a=True: a