Respect NO_COLOR by disabling ANSI output#5129
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Thanks! Please add a changelog entry and run Black on itself ( |
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Summary
Disable ANSI color output when NO_COLOR is set.
Applies to colored diffs (--diff --color) and report styling.
Keeps behavior unchanged when NO_COLOR is not set.
Details
Add a shared helper to guard styling and diff coloring based on NO_COLOR.
Ensure report styling uses the same guard so summary lines are plain text.
Tests
python -m pytest test_black.py -k "no_color"
<img width="1056" height="144" alt="屏幕截图 2026-05-13 105133" src="https://github.com/user-attachments/assets/7
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