| # Copyright 2019 The Pigweed Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| # use this file except in compliance with the License. You may obtain a copy of |
| # the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| |
| |
| def _make_color(*codes): |
| # Apply all the requested ANSI color codes. Note that this is unbalanced |
| # with respect to the reset, which only requires a '0' to erase all codes. |
| start = ''.join(f'\033[{code}m' for code in codes) |
| reset = '\033[0m' |
| |
| return lambda msg: f'{start}{msg}{reset}' |
| |
| |
| # TODO(keir): Totally replace this Color object with something more complete |
| # like the 'colorful' module. |
| class Color: |
| """Helpers to surround text with ASCII color escapes""" |
| red = _make_color(31, 1) |
| bold_red = _make_color(30, 41) |
| yellow = _make_color(33, 1) |
| bold_yellow = _make_color(30, 43, 1) |
| green = _make_color(32) |
| bold_green = _make_color(30, 42) |
| blue = _make_color(34, 1) |
| cyan = _make_color(36, 1) |
| magenta = _make_color(35, 1) |
| bold_white = _make_color(37, 1) |
| black_on_white = _make_color(30, 47) # black fg white bg |