320 lines
14 KiB
Python
320 lines
14 KiB
Python
# Copyright (C) 2018 Team tiramisu (see AUTHORS for all contributors)
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from typing import Union, List, Optional
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from argparse import ArgumentParser, Namespace, SUPPRESS, _HelpAction, HelpFormatter
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from copy import copy
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try:
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from tiramisu import Config
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from tiramisu.error import PropertiesOptionError
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except ModuleNotFoundError:
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Config = None
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from tiramisu_json_api.error import PropertiesOptionError
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try:
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from tiramisu_json_api import Config as ConfigJson
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if Config is None:
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Config = ConfigJson
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except ModuleNotFoundError:
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ConfigJson = Config
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class TiramisuNamespace(Namespace):
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def _populate(self):
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#self._config.property.read_only()
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for tiramisu_key, tiramisu_value in self._config.value.dict().items():
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option = self._config.option(tiramisu_key)
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if not option.option.issymlinkoption():
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if tiramisu_value == [] and option.option.ismulti() and option.owner.isdefault():
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tiramisu_value = None
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super().__setattr__(tiramisu_key, tiramisu_value)
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#self._config.property.read_write()
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def __init__(self, config):
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self._config = config
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super().__init__()
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def __setattr__(self, key, value):
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if key == '_config':
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super().__setattr__(key, value)
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return
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# self._config.property.read_write()
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option = self._config.option(key)
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if option.option.ismulti() and value is not None and not isinstance(value, list):
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value = [value]
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option.value.set(value)
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def __getattribute__(self, key):
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if key == '__dict__' and hasattr(self, '_config'):
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self._populate()
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return super().__getattribute__(key)
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class TiramisuHelpFormatter(HelpFormatter):
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def _get_default_metavar_for_optional(self,
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action):
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ret = super()._get_default_metavar_for_optional(action)
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if '.' in ret:
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ret = ret.split('.', 1)[1]
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return ret
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class _TiramisuHelpAction(_HelpAction):
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needs = False
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def __call__(self, *args, **kwargs):
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_TiramisuHelpAction.needs = True
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def display(self, parser):
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_HelpAction.__call__(self, parser, None, None)
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class TiramisuCmdlineParser(ArgumentParser):
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def __init__(self,
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config: Union[Config, ConfigJson],
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*args,
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fullpath: bool=True,
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_forhelp: bool=False,
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**kwargs):
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self.fullpath = fullpath
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self.config = config
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kwargs['formatter_class'] = TiramisuHelpFormatter
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super().__init__(*args, **kwargs)
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self.register('action', 'help', _TiramisuHelpAction)
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self._config_to_argparser(_forhelp,
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self.config.option)
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def _pop_action_class(self, kwargs, default=None):
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ret = super()._pop_action_class(kwargs, default)
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if kwargs.get('action') != 'help' and kwargs.get('dest') != 'help':
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return ret
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return _TiramisuHelpAction
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def _match_arguments_partial(self,
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actions,
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arg_string_pattern):
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# used only when check first proposal for first value
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# we have to remove all actions with propertieserror
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# so only first settable option will be returned
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actions_pop = []
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for idx, action in enumerate(actions):
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if self.config.option(action.dest).property.get(only_raises=True):
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actions_pop.append(idx)
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else:
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break
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for idx in actions_pop:
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actions.pop(0)
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return super()._match_arguments_partial(actions, arg_string_pattern)
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def _parse_known_args(self, args=None, namespace=None):
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namespace_, args_ = super()._parse_known_args(args, namespace)
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if args != args_ and args_ and args_[0].startswith(self.prefix_chars):
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# option that was disabled are no more disable
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# so create a new parser
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new_parser = TiramisuCmdlineParser(self.config,
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self.prog,
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fullpath=self.fullpath)
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namespace_, args_ = new_parser._parse_known_args(args_, namespace)
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else:
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if self._registries['action']['help'].needs:
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# display help only when all variables assignemnt are done
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self._registries['action']['help'].needs = False
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helper = self._registries['action']['help'](None)
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helper.display(self)
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return namespace_, args_
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def add_argument(self, *args, **kwargs):
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if args == ('-h', '--help'):
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super().add_argument(*args, **kwargs)
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else:
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raise NotImplementedError('do not use add_argument')
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def add_arguments(self, *args, **kwargs):
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raise NotImplementedError('do not use add_argument')
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def add_subparsers(self, *args, **kwargs):
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raise NotImplementedError('do not use add_subparsers')
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def _gen_argument(self, name, longargument, no_prefix=False):
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shortarg = len(name) == 1 and not longargument
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if no_prefix:
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if shortarg:
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prefix = 'n'
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else:
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prefix = 'no-'
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if '.' in name:
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sname = name.rsplit('.', 1)
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name = sname[0] + '.' + prefix + sname[1]
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else:
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name = prefix + name
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if shortarg:
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return self.prefix_chars + name
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return self.prefix_chars * 2 + name
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def _config_to_argparser(self,
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_forhelp: bool,
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config,
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prefix: Optional[str]=None,
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group=None) -> None:
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if group is None:
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group = super()
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actions = {}
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for obj in config.list(type='all'):
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option = obj.option
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if option.isoptiondescription():
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if _forhelp:
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group = self.add_argument_group(option.doc())
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if prefix:
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prefix_ = prefix + '.' + option.name()
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else:
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prefix_ = option.path()
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self._config_to_argparser(_forhelp, obj, prefix_, group)
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continue
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if 'frozen' in option.properties():
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continue
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name = option.name()
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if name.startswith(self.prefix_chars):
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raise ValueError('name cannot startswith "{}"'.format(self.prefix_chars))
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if self.fullpath and prefix:
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name = prefix + '.' + name
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properties = obj.property.get()
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kwargs = {'help': option.doc().replace('%', '%%')}
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if option.issymlinkoption():
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symlink_name = option.name(follow_symlink=True)
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if symlink_name in actions:
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actions[symlink_name][0][0].insert(0, self._gen_argument(option.name(), 'longargument' in properties))
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if len(actions[symlink_name]) == 2:
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actions[symlink_name][1][0].insert(0, self._gen_argument(option.name(), False, True))
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continue
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if _forhelp and not obj.owner.isdefault() and obj.value.get() is not None:
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if 'positional' not in properties:
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self.prog += ' {}'.format(self._gen_argument(name, 'longargument' in properties))
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if option.type() != 'boolean':
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self.prog += ' {}'.format(obj.value.get())
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else:
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if 'positional' in properties:
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if option.type() == 'boolean':
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raise ValueError('boolean option must not be positional')
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# if not 'mandatory' in properties:
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# raise ValueError('"positional" argument must be "mandatory" too')
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args = [option.path()]
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if _forhelp:
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kwargs['default'] = obj.value.default()
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else:
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kwargs['default'] = obj.value.get()
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kwargs['nargs'] = '?'
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else:
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kwargs['dest'] = option.path()
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kwargs['default'] = SUPPRESS
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if _forhelp and 'mandatory' in properties:
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kwargs['required'] = True
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if option.type() == 'boolean':
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if 'storefalse' in properties:
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action = 'store_false'
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no_action = 'store_true'
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else:
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action = 'store_true'
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no_action = 'store_false'
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kwargs['action'] = action
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args = [self._gen_argument(name, 'longargument' in properties)]
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#
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nkwargs = copy(kwargs)
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nkwargs['action'] = no_action
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del nkwargs['help']
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nargs = [self._gen_argument(name, 'longargument' in properties, True)]
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actions[option.name()] = [(args, kwargs), (nargs, nkwargs)]
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continue
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args = [self._gen_argument(name, 'longargument' in properties)]
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if _forhelp:
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value = obj.value.default()
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else:
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value = obj.value.get()
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if value not in [None, []]:
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#kwargs['default'] = kwargs['const'] = option.default()
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#kwargs['action'] = 'store_const'
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kwargs['nargs'] = '?'
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if option.ismulti():
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if _forhelp and 'mandatory' in properties:
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kwargs['nargs'] = '+'
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else:
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kwargs['nargs'] = '*'
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if option.type() == 'string':
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pass
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elif option.type() == 'integer':
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kwargs['type'] = int
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elif option.type() == 'choice':
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kwargs['choices'] = obj.value.list()
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else:
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pass
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#raise NotImplementedError('not supported yet')
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actions[option.name()] = [(args, kwargs)]
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for values in actions.values():
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for args, kwargs in values:
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group.add_argument(*args, **kwargs)
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def parse_args(self,
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*args,
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valid_mandatory=True,
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**kwargs):
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kwargs['namespace'] = TiramisuNamespace(self.config)
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try:
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namespaces = super().parse_args(*args, **kwargs)
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del namespaces.__dict__['_config']
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except PropertiesOptionError as err:
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name = err._option_bag.option.impl_getname()
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properties = self.config.option(name).property.get()
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if self.fullpath and 'positional' not in properties:
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if len(name) == 1 and 'longargument' not in properties:
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name = self.prefix_chars + name
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else:
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name = self.prefix_chars * 2 + name
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if err.proptype == ['mandatory']:
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self.error('the following arguments are required: {}'.format(name))
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else:
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self.error('unrecognized arguments: {}'.format(name))
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if valid_mandatory:
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for key in self.config.value.mandatory():
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properties = self.config.option(key).property.get()
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if 'positional' not in properties:
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if self.fullpath or '.' not in key:
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name = key
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else:
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name = key.rsplit('.', 1)[1]
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args = self._gen_argument(name, 'longargument' in self.config.option(key).property.get())
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else:
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args = key
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if not self.fullpath and '.' in args:
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args = args.rsplit('.', 1)[1]
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self.error('the following arguments are required: {}'.format(args))
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return namespaces
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def format_usage(self,
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*args,
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**kwargs):
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help_formatter = TiramisuCmdlineParser(self.config,
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self.prog,
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fullpath=self.fullpath,
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_forhelp=True)
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return super(TiramisuCmdlineParser, help_formatter).format_usage(*args, **kwargs)
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def format_help(self):
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help_formatter = TiramisuCmdlineParser(self.config,
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self.prog,
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fullpath=self.fullpath,
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_forhelp=True)
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return super(TiramisuCmdlineParser, help_formatter).format_help()
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def get_config(self):
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return self.config
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