Files
pre-commit/pre_commit/color.py
Anthony Sottile 18c9e061d8 Small cleanups
2017-09-30 15:53:44 -07:00

51 lines
1.1 KiB
Python

from __future__ import unicode_literals
import os
import sys
if os.name == 'nt': # pragma: no cover (windows)
from pre_commit.color_windows import enable_virtual_terminal_processing
try:
enable_virtual_terminal_processing()
except WindowsError:
pass
RED = '\033[41m'
GREEN = '\033[42m'
YELLOW = '\033[43;30m'
TURQUOISE = '\033[46;30m'
NORMAL = '\033[0m'
class InvalidColorSetting(ValueError):
pass
def format_color(text, color, use_color_setting):
"""Format text with color.
Args:
text - Text to be formatted with color if `use_color`
color - The color start string
use_color_setting - Whether or not to color
"""
if not use_color_setting:
return text
else:
return '{}{}{}'.format(color, text, NORMAL)
COLOR_CHOICES = ('auto', 'always', 'never')
def use_color(setting):
"""Choose whether to use color based on the command argument.
Args:
setting - Either `auto`, `always`, or `never`
"""
if setting not in COLOR_CHOICES:
raise InvalidColorSetting(setting)
return setting == 'always' or (setting == 'auto' and sys.stdout.isatty())