Lib/argparse.py - Issue 13041: argparse: terminal width is not detected properly

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Unified Diff: Lib/argparse.py

Issue 13041: argparse: terminal width is not detected properly

Patch Set: Created 1 year, 3 months ago

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--- a/Lib/argparse.py

+++ b/Lib/argparse.py

@@ -89,6 +89,7 @@

import re as _re

import sys as _sys

import textwrap as _textwrap

+import shutil as _shutil

from gettext import gettext as _, ngettext

@@ -156,10 +157,7 @@

# default setting for width

if width is None:

- try:

- width = int(_os.environ['COLUMNS'])

- except (KeyError, ValueError):

- width = 80

+ width = _shutil.get_terminal_size().columns

width -= 2

self._prog = prog

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