mirror of
https://github.com/koloideal/Argenta.git
synced 2026-06-10 10:05:28 +03:00
118 lines
4.8 KiB
Python
118 lines
4.8 KiB
Python
from argenta.command.flag.models import Flag, InputFlag, Flags, InputFlags
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from argenta.command.exceptions import (UnprocessedInputFlagException,
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RepeatedInputFlagsException,
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EmptyInputCommandException)
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from typing import Generic, TypeVar, cast, Literal
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BaseCommandType = TypeVar('BaseCommandType')
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class BaseCommand(Generic[BaseCommandType]):
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def __init__(self, trigger: str,
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description: str = None,
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flags: Flag | Flags = None):
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self._trigger = trigger
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self._description = f'description for "{self._trigger}" command' if not description else description
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def get_trigger(self) -> str:
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return self._trigger
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def get_description(self) -> str:
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return self._description
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class Command(BaseCommand):
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def __init__(self, trigger: str,
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description: str = None,
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flags: Flag | Flags = None):
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super().__init__(trigger, description)
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self._registered_flags: Flags = flags if isinstance(flags, Flags) else Flags(flags) if isinstance(flags, Flag) else Flags()
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def get_registered_flags(self) -> Flags:
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return self._registered_flags
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def validate_input_flag(self, flag: InputFlag):
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registered_flags: Flags | None = self.get_registered_flags()
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if registered_flags:
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if isinstance(registered_flags, Flag):
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if registered_flags.get_string_entity() == flag.get_string_entity():
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is_valid = registered_flags.validate_input_flag_value(flag.get_value())
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if is_valid:
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return True
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else:
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for registered_flag in registered_flags:
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if registered_flag.get_string_entity() == flag.get_string_entity():
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is_valid = registered_flag.validate_input_flag_value(flag.get_value())
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if is_valid:
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return True
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return False
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class InputCommand(BaseCommand):
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def __init__(self, trigger: str,
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description: str = None,
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input_flags: InputFlag | InputFlags = None):
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super().__init__(trigger, description)
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self._input_flags: InputFlags = input_flags if isinstance(input_flags, InputFlags) else InputFlags(input_flags) if isinstance(input_flags, InputFlag) else InputFlags()
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def _set_input_flags(self, input_flags: InputFlags):
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self._input_flags = input_flags
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def get_input_flags(self) -> InputFlags:
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return self._input_flags
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@staticmethod
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def parse_input_command(raw_command: str) -> BaseCommandType:
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if not raw_command:
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raise EmptyInputCommandException()
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list_of_tokens = raw_command.split()
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command = list_of_tokens[0]
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list_of_tokens.pop(0)
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input_flags: InputFlags = InputFlags()
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current_flag_name = None
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current_flag_value = None
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for k, _ in enumerate(list_of_tokens):
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if _.startswith('-'):
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flag_prefix_last_symbol_index = _.rfind('-')
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if current_flag_name or len(_) < 2 or len(_[:flag_prefix_last_symbol_index]) > 3:
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raise UnprocessedInputFlagException()
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else:
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current_flag_name = _
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else:
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if not current_flag_name:
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raise UnprocessedInputFlagException()
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else:
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current_flag_value = _
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if current_flag_name:
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if not len(list_of_tokens) == k + 1:
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if not list_of_tokens[k + 1].startswith('-'):
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continue
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flag_prefix_last_symbol_index = current_flag_name.rfind('-')
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flag_prefix = current_flag_name[:flag_prefix_last_symbol_index + 1]
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flag_name = current_flag_name[flag_prefix_last_symbol_index + 1:]
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input_flag = InputFlag(name=flag_name,
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prefix=cast(Literal['-', '--', '---'], flag_prefix))
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input_flag.set_value(current_flag_value)
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all_flags = [x.get_string_entity() for x in input_flags.get_flags()]
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if input_flag.get_string_entity() not in all_flags:
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input_flags.add_flag(input_flag)
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else:
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raise RepeatedInputFlagsException(input_flag)
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current_flag_name = None
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current_flag_value = None
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if any([current_flag_name, current_flag_value]):
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raise UnprocessedInputFlagException()
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if len(input_flags.get_flags()) == 0:
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return InputCommand(trigger=command)
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else:
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input_command = InputCommand(trigger=command)
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input_command._set_input_flags(input_flags)
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return input_command
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