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Don't print bogus characters on windows terminals that don't support colors.

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This commit is contained in:
Jeffrey Rackauckas 2018-08-29 18:54:55 -07:00
parent f042e302d8
commit 1bd6fce7dc
1 changed files with 3 additions and 1 deletions
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4
pre_commit/color.py
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@ -3,11 +3,13 @@ from __future__ import unicode_literals
import os import os
import sys import sys
terminal_supports_colors = True
if os.name == 'nt': # pragma: no cover (windows) if os.name == 'nt': # pragma: no cover (windows)
from pre_commit.color_windows import enable_virtual_terminal_processing from pre_commit.color_windows import enable_virtual_terminal_processing
try: try:
enable_virtual_terminal_processing() enable_virtual_terminal_processing()
except WindowsError: except WindowsError:
terminal_supports_colors = False
pass pass
RED = '\033[41m' RED = '\033[41m'
@ -29,7 +31,7 @@ def format_color(text, color, use_color_setting):
color - The color start string color - The color start string
use_color_setting - Whether or not to color use_color_setting - Whether or not to color
""" """
if not use_color_setting: if not use_color_setting or not terminal_supports_colors:
return text return text
else: else:
return '{}{}{}'.format(color, text, NORMAL) return '{}{}{}'.format(color, text, NORMAL)