mirror of https://github.com/mpv-player/mpv
75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
from waflib.Options import OptionsContext
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import optparse
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class Feature(object):
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def __init__(self, group, feature):
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self.group = group
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self.identifier, self.attributes = feature['name'], feature
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def add_options(self):
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[self.add_option(option_rule) for option_rule in self.option_rules()]
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def add_option(self, rule):
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self.group.add_option(self.option(rule['state']),
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action=rule['action'],
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default=rule['default'],
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dest=self.storage(),
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help=self.help(rule['state']))
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# private
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def option_rules(self):
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return {
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'autodetect': [
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{'state': 'disable', 'action': 'store_false', 'default': None},
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{'state': 'enable', 'action': 'store_true', 'default': None},
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],
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'disable': [
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{'state': 'disable', 'action': 'store_false', 'default': False},
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{'state': 'enable', 'action': 'store_true', 'default': False},
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],
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'enable': [
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{'state': 'disable', 'action': 'store_false', 'default': True},
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{'state': 'enable', 'action': 'store_true', 'default': True},
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],
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}[self.behaviour()]
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def behaviour(self):
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if 'default' in self.attributes:
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return self.attributes['default']
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else:
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return 'autodetect'
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def option(self, state):
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return "--{0}-{1}".format(state, self.identifier)
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def help(self, state):
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default = self.behaviour()
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if (default, state) == ("autodetect", "enable") or default == state:
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return optparse.SUPPRESS_HELP
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return "{0} {1} [{2}]" \
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.format(state, self.attributes['desc'], default)
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def storage(self):
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return "enable_{0}".format(self.identifier)
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def add_feature(group, feature):
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Feature(group, feature).add_options()
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def parse_features(opt, group_name, features):
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def is_feature(dep):
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return dep['name'].find('--') >= 0
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def strip_feature(dep):
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dep['name'] = dep['name'].lstrip('-')
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return dep
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features = [strip_feature(dep) for dep in features if is_feature(dep)]
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group = opt.get_option_group(group_name)
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if not group:
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group = opt.add_option_group(group_name)
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[add_feature(group, feature) for feature in features]
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OptionsContext.parse_features = parse_features
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