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Enable colored output for argparse help in Python 3.14 #19021

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Merged
merged 3 commits into from
May 4, 2025
Merged

Enable colored output for argparse help in Python 3.14 #19021

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634c4d4
Enable colored output for argparse in Python 3.14
cdce8p May 3, 2025
b3b60d5
Add color for other commands as well
cdce8p May 4, 2025
94052a7
Set color attribute on parser instances
cdce8p May 4, 2025
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5 changes: 5 additions & 0 deletions mypy/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -480,6 +480,10 @@ def process_options(
stdout = stdout or sys.stdout
stderr = stderr or sys.stderr

parser_kwargs: dict[str, Any] = {}
if sys.version_info >= (3, 14):
parser_kwargs["color"] = True

parser = CapturableArgumentParser(
prog=program,
usage=header,
Expand All @@ -490,6 +494,7 @@ def process_options(
add_help=False,
stdout=stdout,
stderr=stderr,
**parser_kwargs,
)

strict_flag_names: list[str] = []
Expand Down