Current File : //usr/lib/python2.7/site-packages/salt/utils/color.py
# -*- coding: utf-8 -*-
'''
Functions used for CLI color themes.
'''
# Import Python libs
from __future__ import absolute_import, print_function, unicode_literals
import logging
import os
# Import Salt libs
from salt.ext import six
from salt.textformat import TextFormat
log = logging.getLogger(__name__)
def get_color_theme(theme):
'''
Return the color theme to use
'''
# Keep the heavy lifting out of the module space
import salt.utils.data
import salt.utils.files
import salt.utils.yaml
if not os.path.isfile(theme):
log.warning('The named theme %s if not available', theme)
try:
with salt.utils.files.fopen(theme, 'rb') as fp_:
colors = salt.utils.data.decode(salt.utils.yaml.safe_load(fp_))
ret = {}
for color in colors:
ret[color] = '\033[{0}m'.format(colors[color])
if not isinstance(colors, dict):
log.warning('The theme file %s is not a dict', theme)
return {}
return ret
except Exception:
log.warning('Failed to read the color theme %s', theme)
return {}
def get_colors(use=True, theme=None):
'''
Return the colors as an easy to use dict. Pass `False` to deactivate all
colors by setting them to empty strings. Pass a string containing only the
name of a single color to be used in place of all colors. Examples:
.. code-block:: python
colors = get_colors() # enable all colors
no_colors = get_colors(False) # disable all colors
red_colors = get_colors('RED') # set all colors to red
'''
colors = {
'BLACK': TextFormat('black'),
'DARK_GRAY': TextFormat('bold', 'black'),
'RED': TextFormat('red'),
'LIGHT_RED': TextFormat('bold', 'red'),
'GREEN': TextFormat('green'),
'LIGHT_GREEN': TextFormat('bold', 'green'),
'YELLOW': TextFormat('yellow'),
'LIGHT_YELLOW': TextFormat('bold', 'yellow'),
'BLUE': TextFormat('blue'),
'LIGHT_BLUE': TextFormat('bold', 'blue'),
'MAGENTA': TextFormat('magenta'),
'LIGHT_MAGENTA': TextFormat('bold', 'magenta'),
'CYAN': TextFormat('cyan'),
'LIGHT_CYAN': TextFormat('bold', 'cyan'),
'LIGHT_GRAY': TextFormat('white'),
'WHITE': TextFormat('bold', 'white'),
'DEFAULT_COLOR': TextFormat('default'),
'ENDC': TextFormat('reset'),
}
if theme:
colors.update(get_color_theme(theme))
if not use:
for color in colors:
colors[color] = ''
if isinstance(use, six.string_types):
# Try to set all of the colors to the passed color
if use in colors:
for color in colors:
# except for color reset
if color == 'ENDC':
continue
colors[color] = colors[use]
return colors
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