mirror of
https://github.com/koloideal/Argenta.git
synced 2026-06-10 18:15:28 +03:00
262 lines
11 KiB
Python
262 lines
11 KiB
Python
from typing import Callable
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from inspect import getfullargspec
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import re
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from ..command.entity import Command
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from ..router.entity import Router
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from ..command.exceptions import (UnprocessedInputFlagException,
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RepeatedInputFlagsException,
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EmptyInputCommandException)
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from .exceptions import (InvalidRouterInstanceException,
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InvalidDescriptionMessagePatternException,
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NoRegisteredRoutersException,
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NoRegisteredHandlersException,
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RepeatedCommandInDifferentRoutersException,
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IncorrectNumberOfHandlerArgsException)
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class App:
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def __init__(self,
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prompt: str = 'Enter a command',
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initial_message: str = '\nHello, I am Argenta\n',
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farewell_message: str = '\nGoodBye\n',
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invalid_input_flags_message: str = 'Invalid input flags',
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exit_command: str = 'Q',
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exit_command_description: str = 'Exit command',
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system_points_title: str = 'System points:',
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ignore_exit_command_register: bool = True,
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ignore_command_register: bool = False,
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line_separate: str = '',
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command_group_description_separate: str = '',
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repeat_command_groups: bool = True,
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print_func: Callable[[str], None] = print) -> None:
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self.prompt = prompt
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self.print_func = print_func
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self.exit_command = exit_command
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self.exit_command_description = exit_command_description
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self.system_points_title = system_points_title
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self.ignore_exit_command_register = ignore_exit_command_register
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self.farewell_message = farewell_message
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self.initial_message = initial_message
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self.invalid_input_flags_message = invalid_input_flags_message
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self.line_separate = line_separate
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self.command_group_description_separate = command_group_description_separate
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self.ignore_command_register = ignore_command_register
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self.repeat_command_groups = repeat_command_groups
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self._routers: list[Router] = []
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self._description_message_pattern: str = '[{command}] *=*=* {description}'
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self._registered_router_entities: list[dict[str, str | list[dict[str, Callable[[], None] | Command]] | Router]] = []
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self._invalid_input_flags_handler: Callable[[str], None] = lambda raw_command: print_func(f'Incorrect flag syntax: "{raw_command}"')
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self._repeated_input_flags_handler: Callable[[str], None] = lambda raw_command: print_func(f'Repeated input flags: "{raw_command}"')
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self._empty_input_command_handler: Callable[[], None] = lambda: print_func(f'Empty input command')
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self._unknown_command_handler: Callable[[Command], None] = lambda command: print_func(f"Unknown command: {command.get_trigger()}")
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def start_polling(self) -> None:
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self._validate_number_of_routers()
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self._validate_included_routers()
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self._validate_all_router_commands()
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self.print_func(self.initial_message)
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if not self.repeat_command_groups:
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self._print_command_group_description()
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self.print_func(self.prompt)
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while True:
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if self.repeat_command_groups:
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self._print_command_group_description()
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self.print_func(self.prompt)
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raw_command: str = input()
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try:
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input_command: Command = Command.parse_input_command(raw_command=raw_command)
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except UnprocessedInputFlagException:
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self.print_func(self.line_separate)
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self._invalid_input_flags_handler(raw_command)
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self.print_func(self.line_separate)
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if not self.repeat_command_groups:
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self.print_func(self.prompt)
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continue
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except RepeatedInputFlagsException:
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self.print_func(self.line_separate)
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self._repeated_input_flags_handler(raw_command)
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self.print_func(self.line_separate)
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if not self.repeat_command_groups:
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self.print_func(self.prompt)
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continue
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except EmptyInputCommandException:
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self.print_func(self.line_separate)
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self._empty_input_command_handler()
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self.print_func(self.line_separate)
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if not self.repeat_command_groups:
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self.print_func(self.prompt)
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continue
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is_exit = self._is_exit_command(input_command.get_trigger())
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if is_exit:
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return
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self.print_func(self.line_separate)
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is_unknown_command: bool = self._check_is_command_unknown(input_command)
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if is_unknown_command:
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self.print_func(self.line_separate)
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self.print_func(self.command_group_description_separate)
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if not self.repeat_command_groups:
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self.print_func(self.prompt)
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continue
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for router in self._routers:
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router.input_command_handler(input_command)
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self.print_func(self.line_separate)
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self.print_func(self.command_group_description_separate)
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if not self.repeat_command_groups:
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self.print_func(self.prompt)
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def set_initial_message(self, message: str) -> None:
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self.initial_message: str = message
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def set_farewell_message(self, message: str) -> None:
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self.farewell_message: str = message
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def set_description_message_pattern(self, pattern: str) -> None:
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first_check = re.match(r'.*{command}.*', pattern)
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second_check = re.match(r'.*{description}.*', pattern)
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if bool(first_check) and bool(second_check):
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self._description_message_pattern: str = pattern
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else:
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raise InvalidDescriptionMessagePatternException(pattern)
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def set_invalid_input_flags_handler(self, handler: Callable[[str], None]) -> None:
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args = getfullargspec(handler).args
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if len(args) != 1:
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raise IncorrectNumberOfHandlerArgsException()
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else:
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self._invalid_input_flags_handler = handler
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def set_repeated_input_flags_handler(self, handler: Callable[[str], None]) -> None:
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args = getfullargspec(handler).args
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if len(args) != 1:
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raise IncorrectNumberOfHandlerArgsException()
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else:
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self._repeated_input_flags_handler = handler
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def set_unknown_command_handler(self, handler: Callable[[str], None]) -> None:
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args = getfullargspec(handler).args
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if len(args) != 1:
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raise IncorrectNumberOfHandlerArgsException()
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else:
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self._unknown_command_handler = handler
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def set_empty_command_handler(self, handler: Callable[[str], None]) -> None:
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args = getfullargspec(handler).args
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if len(args) != 1:
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raise IncorrectNumberOfHandlerArgsException()
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else:
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self._empty_input_command_handler = handler
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def include_router(self, router: Router) -> None:
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if not isinstance(router, Router):
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raise InvalidRouterInstanceException()
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router.set_ignore_command_register(self.ignore_command_register)
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self._routers.append(router)
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command_entities: list[dict[str, Callable[[], None] | Command]] = router.get_command_entities()
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self._registered_router_entities.append({'name': router.get_name(),
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'title': router.get_title(),
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'entity': router,
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'commands': command_entities})
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def _validate_number_of_routers(self) -> None:
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if not self._routers:
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raise NoRegisteredRoutersException()
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def _validate_included_routers(self) -> None:
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for router in self._routers:
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if not router.get_command_entities():
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raise NoRegisteredHandlersException(router.get_name())
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def _validate_all_router_commands(self) -> None:
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for idx in range(len(self._registered_router_entities)):
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current_router: Router = self._registered_router_entities[idx]['entity']
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routers_without_current_router = self._registered_router_entities.copy()
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routers_without_current_router.pop(idx)
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current_router_all_commands: list[str] = current_router.get_all_commands()
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for router_entity in routers_without_current_router:
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if len(set(current_router_all_commands).intersection(set(router_entity['entity'].get_all_commands()))) > 0:
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raise RepeatedCommandInDifferentRoutersException()
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if self.ignore_command_register:
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if len(set([x.lower() for x in current_router_all_commands]).intersection(set([x.lower() for x in router_entity['entity'].get_all_commands()]))) > 0:
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raise RepeatedCommandInDifferentRoutersException()
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def _is_exit_command(self, command: str):
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if command.lower() == self.exit_command.lower():
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if self.ignore_exit_command_register:
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self.print_func(self.farewell_message)
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return True
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else:
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if command == self.exit_command:
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self.print_func(self.farewell_message)
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return True
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return False
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def _check_is_command_unknown(self, command: Command):
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registered_router_entities: list[dict[str, str | list[dict[str, Callable[[], None] | Command]] | Router]] = self._registered_router_entities
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for router_entity in registered_router_entities:
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for command_entity in router_entity['commands']:
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if command_entity['command'].get_trigger().lower() == command.get_trigger().lower():
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if self.ignore_command_register:
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return False
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else:
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if command_entity['command'].get_trigger() == command.get_trigger():
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return False
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self._unknown_command_handler(command)
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return True
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def _print_command_group_description(self):
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for router_entity in self._registered_router_entities:
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self.print_func(router_entity['title'])
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for command_entity in router_entity['commands']:
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self.print_func(self._description_message_pattern.format(
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command=command_entity['command'].get_trigger(),
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description=command_entity['command'].get_description()
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)
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)
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self.print_func(self.command_group_description_separate)
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self.print_func(self.system_points_title)
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self.print_func(self._description_message_pattern.format(
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command=self.exit_command,
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description=self.exit_command_description
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)
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)
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self.print_func(self.command_group_description_separate)
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