1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#
# 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"
|
