Files
Argenta/argenta/router/entity.py
T
2025-03-27 00:17:40 +03:00

129 lines
4.9 KiB
Python

from typing import Callable, Any
from inspect import getfullargspec
from ..command.entity import Command
from argenta.command.flag.entity import Flag
from argenta.command.flag.flags_group import FlagsGroup
from ..router.exceptions import (RepeatedCommandException,
RepeatedFlagNameException,
TooManyTransferredArgsException,
RequiredArgumentNotPassedException,
IncorrectNumberOfHandlerArgsException,
TriggerCannotContainSpacesException)
class Router:
def __init__(self,
title: str = 'Commands group title:',
name: str = 'Default'):
self._title = title
self._name = name
self._command_entities: list[dict[str, Callable[[], None] | Command]] = []
self._ignore_command_register: bool = False
self._not_valid_flag_handler: Callable[[Flag], None] = lambda flag: print(f"Undefined or incorrect input flag: {flag.get_string_entity()}{(' '+flag.get_value()) if flag.get_value() else ''}")
def command(self, command: Command) -> Callable[[Any], Any]:
self._validate_command(command)
def command_decorator(func):
Router._validate_func_args(command, func)
self._command_entities.append({'handler_func': func,
'command': command})
def wrapper(*args, **kwargs):
return func(*args, **kwargs)
return wrapper
return command_decorator
def set_invalid_input_flag_handler(self, func):
processed_args = getfullargspec(func).args
if len(processed_args) != 1:
raise IncorrectNumberOfHandlerArgsException()
else:
self._not_valid_flag_handler = func
def input_command_handler(self, input_command: Command):
input_command_name: str = input_command.get_trigger()
input_command_flags: FlagsGroup = input_command.get_input_flags()
for command_entity in self._command_entities:
if input_command_name.lower() == command_entity['command'].get_trigger().lower():
if command_entity['command'].get_registered_flags():
if input_command_flags:
for flag in input_command_flags:
is_valid = command_entity['command'].validate_input_flag(flag)
if not is_valid:
self._not_valid_flag_handler(flag)
return
return command_entity['handler_func'](input_command_flags.unparse_to_dict())
else:
return command_entity['handler_func']({})
else:
if input_command_flags:
self._not_valid_flag_handler(input_command_flags[0])
return
else:
return command_entity['handler_func']()
def _validate_command(self, command: Command):
command_name: str = command.get_trigger()
if command_name.find(' ') != -1:
raise TriggerCannotContainSpacesException()
if command_name in self.get_all_commands():
raise RepeatedCommandException()
if self._ignore_command_register:
if command_name.lower() in [x.lower() for x in self.get_all_commands()]:
raise RepeatedCommandException()
flags: FlagsGroup = command.get_registered_flags()
if flags:
flags_name: list = [x.get_string_entity().lower() for x in flags]
if len(set(flags_name)) < len(flags_name):
raise RepeatedFlagNameException()
@staticmethod
def _validate_func_args(command: Command, func: Callable):
registered_args = command.get_registered_flags()
transferred_args = getfullargspec(func).args
if registered_args and transferred_args:
if len(transferred_args) != 1:
raise TooManyTransferredArgsException()
elif registered_args and not transferred_args:
raise RequiredArgumentNotPassedException()
elif not registered_args and transferred_args:
raise TooManyTransferredArgsException()
def set_ignore_command_register(self, ignore_command_register: bool):
self._ignore_command_register = ignore_command_register
def get_command_entities(self) -> list[dict[str, Callable[[], None] | Command]]:
return self._command_entities
def get_name(self) -> str:
return self._name
def get_title(self) -> str:
return self._title
def set_title(self, title: str):
self._title = title
def get_all_commands(self) -> list[str]:
all_commands: list[str] = []
for command_entity in self._command_entities:
all_commands.append(command_entity['command'].get_trigger())
return all_commands