537 lines
23 KiB
Python
537 lines
23 KiB
Python
# Copyright (C) 2018-2019 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, Dict, Tuple, Optional, Any
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from argparse import ArgumentParser, Namespace, SUPPRESS, _HelpAction, HelpFormatter
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from copy import copy
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from gettext import gettext as _
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try:
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from tiramisu import Config
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from tiramisu.error import PropertiesOptionError, RequirementError
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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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RequirementError = 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 __init__(self,
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config: Config,
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root: Optional[str]) -> None:
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super().__setattr__('_config', config)
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super().__setattr__('_root', root)
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super().__setattr__('list_force_no', {})
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self._populate()
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super().__init__()
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def _populate(self) -> None:
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if self._root is None:
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config = self._config
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else:
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config = self._config.option(self._root)
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for tiramisu_key, tiramisu_value in config.value.dict(fullpath=True).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 \
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option.option.ismulti(): # and \
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# option.owner.isdefault():
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tiramisu_value = None
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super().__setattr__(tiramisu_key, tiramisu_value)
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def __setattr__(self,
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key: str,
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value: Any) -> None:
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if key in self.list_force_no:
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true_key = self.list_force_no[key]
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else:
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true_key = key
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option = self._config.option(true_key)
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if option.option.isfollower():
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_setattr = self._setattr_follower
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true_value = ','.join(value[1:])
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else:
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_setattr = self._setattr
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true_value = value
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try:
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_setattr(option, true_key, key, value)
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except ValueError as err:
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if option.option.type() == 'choice':
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raise ValueError("invalid choice: '{}' (choose from {})".format(true_value, ', '.join([f"'{val}'" for val in option.value.list()])))
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else:
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raise err
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def _setattr(self,
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option: 'Option',
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true_key: str,
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key: str,
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value: Any) -> None:
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if option.option.ismulti() and \
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value is not None and \
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not isinstance(value, list):
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value = [value]
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option.value.set(value)
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def _setattr_follower(self,
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option: 'Option',
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true_key: str,
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key: str,
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value: Any) -> None:
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if not value[0].isdecimal():
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raise ValueError('index must be a number, not {}'.format(value[0]))
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index = int(value[0])
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if option.option.type() == 'boolean':
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value = key not in self.list_force_no
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elif option.option.issubmulti():
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value = value[1:]
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else:
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value = value[1]
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self._config.option(true_key, index).value.set(value)
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class TiramisuHelpFormatter:
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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.rsplit('.', 1)[1]
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return ret
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class _Section(HelpFormatter._Section):
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def format_help(self):
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# Remove empty OD
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if self.formatter.remove_empty_od and \
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len(self.items) == 1 and \
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self.items[0][0].__name__ == '_format_text':
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return ''
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# Remove OD if name == description
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if self.items and \
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self.formatter.remove_empty_description_od and \
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self.items[0][0].__name__ == '_format_text':
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name = self.items[0][1][0]
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path = self.heading
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if '.' in path:
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compare = path.rsplit('.', 1)[1]
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else:
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compare = path
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if name == compare:
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return ''
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return super().format_help()
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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 _BuildKwargs:
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def __init__(self,
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name: str,
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option: 'Option',
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cmdlineparser: 'TiramisuCmdlineParser',
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properties: List[str],
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force_no: bool) -> None:
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self.kwargs = {}
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self.cmdlineparser = cmdlineparser
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self.properties = properties
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self.force_no = force_no
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if not self.force_no:
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self.kwargs['help'] = option.doc().replace('%', '%%')
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if 'positional' not in self.properties:
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is_short_name = self.cmdlineparser._is_short_name(name, 'longargument' in self.properties)
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if self.force_no:
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ga_name = self.gen_argument_name(name, is_short_name)
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self.cmdlineparser.namespace.list_force_no[ga_name] = option.path()
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else:
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ga_name = name
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self.kwargs['dest'] = self.gen_argument_name(option.path(), False)
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self.args = [self.cmdlineparser._gen_argument(ga_name, is_short_name)]
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else:
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self.args = [option.path()]
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def __setitem__(self,
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key: str,
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value: Any) -> None:
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self.kwargs[key] = value
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def add_argument(self,
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option: 'Option'):
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is_short_name = self.cmdlineparser._is_short_name(option.name(), 'longargument' in self.properties)
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if self.force_no:
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name = self.gen_argument_name(option.name(), is_short_name)
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else:
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name = option.name()
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self.args.insert(0, self.cmdlineparser._gen_argument(name, is_short_name))
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def gen_argument_name(self, name, is_short_name):
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if self.force_no:
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if is_short_name:
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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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return name
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def get(self) -> Tuple[Dict]:
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return self.args, self.kwargs
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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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root: str=None,
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fullpath: bool=True,
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remove_empty_od: bool=False,
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remove_empty_description_od: bool=False,
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formatter_class=HelpFormatter,
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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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self.root = root
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self.remove_empty_od = remove_empty_od
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self.remove_empty_description_od = remove_empty_description_od
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if TiramisuHelpFormatter not in formatter_class.__mro__:
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formatter_class = type('TiramisuHelpFormatter', (TiramisuHelpFormatter, formatter_class), {})
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formatter_class.remove_empty_od = self.remove_empty_od
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formatter_class.remove_empty_description_od = self.remove_empty_description_od
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kwargs['formatter_class'] = formatter_class
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if self.root is None:
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subconfig = self.config.option
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else:
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subconfig = self.config.option(self.root)
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self.namespace = TiramisuNamespace(self.config, self.root)
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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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subconfig,
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self.root)
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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 _is_short_name(self, name, longargument):
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return len(name) == 1 and not longargument
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def _gen_argument(self, name, is_short_name):
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if is_short_name:
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return self.prefix_chars + name
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return self.prefix_chars * 2 + name
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def _parse_known_args(self, args=None, namespace=None):
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try:
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namespace_, args_ = super()._parse_known_args(args, namespace)
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except ValueError as err:
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self.error(err)
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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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root=self.root,
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remove_empty_od=self.remove_empty_od,
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remove_empty_description_od=self.remove_empty_description_od,
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formatter_class=self.formatter_class,
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epilog=self.epilog,
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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 _option_is_not_default(self,
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properties,
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type,
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name,
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value):
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if 'positional' not in properties:
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is_short_name = self._is_short_name(name, 'longargument' in properties)
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self.prog += ' {}'.format(self._gen_argument(name, is_short_name))
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if type != 'boolean':
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self.prog += f' {value}'
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def _config_list(self,
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config: Config,
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prefix: Optional[str],
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_forhelp: bool,
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group):
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for obj in config.list(type='all'):
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# do not display frozen option
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if 'frozen' in obj.option.properties():
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continue
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if obj.option.isoptiondescription():
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if _forhelp:
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newgroup = self.add_argument_group(obj.option.path(), obj.option.doc())
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else:
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newgroup = group
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if prefix:
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prefix_ = prefix + '.' + obj.option.name()
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else:
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prefix_ = obj.option.path()
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self._config_to_argparser(_forhelp, obj, prefix_, newgroup)
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elif obj.option.type() == 'boolean' and not obj.option.issymlinkoption():
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yield obj, False
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yield obj, True
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else:
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yield obj, None
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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],
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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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leadership_len = None
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for obj, force_no in self._config_list(config, prefix, _forhelp, group):
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option = obj.option
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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 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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for action in actions[symlink_name]:
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action.add_argument(option)
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continue
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if option.isleader():
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value = obj.value.get()
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leadership_len = len(value)
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elif option.isfollower():
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value = []
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for index in range(leadership_len):
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value.append(self.config.option(obj.option.path(), index).value.get())
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else:
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value = obj.value.get()
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if self.fullpath and prefix:
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name = prefix + '.' + name
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if option.isfollower():
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properties = obj.option.properties()
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else:
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properties = obj.property.get()
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kwargs = _BuildKwargs(name, option, self, properties, force_no)
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if not option.isfollower() and _forhelp and not obj.owner.isdefault() and value is not None:
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if not force_no:
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self._option_is_not_default(properties,
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option.type(),
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name,
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value)
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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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if _forhelp:
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kwargs['default'] = obj.value.default()
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else:
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kwargs['default'] = value
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kwargs['nargs'] = '?'
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else:
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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' and not option.isfollower():
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if 'storefalse' in properties:
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if force_no:
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action = 'store_true'
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else:
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action = 'store_false'
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elif force_no:
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action = 'store_false'
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else:
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action = 'store_true'
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kwargs['action'] = action
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else:
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if option.type() == 'boolean':
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kwargs['metavar'] = 'INDEX'
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if option.type() != 'boolean':
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if _forhelp:
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value = obj.value.default()
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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 not option.isfollower() and 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.isfollower() and not option.type() == 'boolean':
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metavar = option.name().upper()
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if option.issubmulti():
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kwargs['nargs'] = '+'
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else:
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kwargs['nargs'] = 2
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if _forhelp and 'mandatory' not in properties:
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metavar = f'[{metavar}]'
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if option.type() == 'choice':
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choice_list = obj.value.list()
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if choice_list[0] == '':
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del choice_list[0]
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choices = '{{{}}}'.format(','.join(choice_list))
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if 'mandatory' not in properties:
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choices = f'[{choices}]'
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kwargs['metavar'] = ('INDEX', choices)
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else:
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kwargs['metavar'] = ('INDEX', metavar)
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if option.type() == 'string':
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pass
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elif option.type() == 'integer' or option.type() == 'boolean':
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# when boolean we are here only if follower
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kwargs['type'] = int
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if _forhelp and option.type() == 'boolean':
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kwargs['metavar'] = 'INDEX'
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kwargs['nargs'] = 1
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elif option.type() == 'choice' and not option.isfollower():
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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.setdefault(option.name(), []).append(kwargs)
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for values in actions.values():
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for value in values:
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args, kwargs = value.get()
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group.add_argument(*args, **kwargs)
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def _valid_mandatory(self):
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pass
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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'] = self.namespace
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try:
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namespaces = super().parse_args(*args, **kwargs)
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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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errors = []
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for key in self.config.value.mandatory():
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properties = self.config.option(key).option.properties()
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if not self.config.option(key).option.isfollower():
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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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is_short_name = self._is_short_name(name, 'longargument' in self.config.option(key).property.get())
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args = self._gen_argument(name, is_short_name)
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else:
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args = key
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else:
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if 'positional' not in properties:
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args = self._gen_argument(key, False)
|
|
else:
|
|
args = key
|
|
if not self.fullpath and '.' in args:
|
|
args = args.rsplit('.', 1)[1]
|
|
if 'positional' not in properties:
|
|
args = self._gen_argument(args, False)
|
|
errors.append(args)
|
|
if errors:
|
|
self.error('the following arguments are required: {}'.format(', '.join(errors)))
|
|
return namespaces
|
|
|
|
def format_usage(self,
|
|
*args,
|
|
**kwargs):
|
|
help_formatter = TiramisuCmdlineParser(self.config,
|
|
self.prog,
|
|
root=self.root,
|
|
fullpath=self.fullpath,
|
|
remove_empty_od=self.remove_empty_od,
|
|
remove_empty_description_od=self.remove_empty_description_od,
|
|
formatter_class=self.formatter_class,
|
|
epilog=self.epilog,
|
|
_forhelp=True)
|
|
return super(TiramisuCmdlineParser, help_formatter).format_usage(*args, **kwargs)
|
|
|
|
def format_help(self):
|
|
help_formatter = TiramisuCmdlineParser(self.config,
|
|
self.prog,
|
|
root=self.root,
|
|
fullpath=self.fullpath,
|
|
remove_empty_od=self.remove_empty_od,
|
|
remove_empty_description_od=self.remove_empty_description_od,
|
|
formatter_class=self.formatter_class,
|
|
epilog=self.epilog,
|
|
_forhelp=True)
|
|
return super(TiramisuCmdlineParser, help_formatter).format_help()
|
|
|
|
def get_config(self):
|
|
return self.config
|