| # |
| # Copyright (C) 2017 Codethink Limited |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU Lesser General Public |
| # License as published by the Free Software Foundation; either |
| # version 2 of the License, or (at your option) any later version. |
| # |
| # This library is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # Lesser General Public License for more details. |
| # |
| # You should have received a copy of the GNU Lesser General Public |
| # License along with this library. If not, see <http://www.gnu.org/licenses/>. |
| # |
| # Authors: |
| # Tristan Van Berkom <tristan.vanberkom@codethink.co.uk> |
| |
| from .._exceptions import LoadError, LoadErrorReason |
| from .option import Option, OPTION_SYMBOLS |
| |
| |
| # OptionBool |
| # |
| # A boolean project option |
| # |
| class OptionBool(Option): |
| |
| OPTION_TYPE = 'bool' |
| |
| def load(self, node): |
| |
| super().load(node) |
| node.validate_keys(OPTION_SYMBOLS + ['default']) |
| self.value = node.get_bool('default') |
| |
| def load_value(self, node, *, transform=None): |
| if transform: |
| self.set_value(transform(node.get_str(self.name))) |
| else: |
| self.value = node.get_bool(self.name) |
| |
| def set_value(self, value): |
| if value in ('True', 'true'): |
| self.value = True |
| elif value in ('False', 'false'): |
| self.value = False |
| else: |
| raise LoadError("Invalid value for boolean option {}: {}".format(self.name, value), |
| LoadErrorReason.INVALID_DATA) |
| |
| def get_value(self): |
| if self.value: |
| return "1" |
| else: |
| return "0" |
