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79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
# Pyrofork - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-present Dan <https://github.com/delivrance>
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# Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
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#
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# This file is part of Pyrofork.
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#
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# Pyrofork is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrofork is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more 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 Pyrofork. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import annotations
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from collections.abc import Iterable
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from typing import Callable
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from .handler import Handler
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import pyrogram
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from pyrogram.types import Update
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class ErrorHandler(Handler):
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"""The Error handler class. Used to handle errors.
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It is intended to be used with :meth:`~pyrogram.Client.add_handler`
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For a nicer way to register this handler, have a look at the
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:meth:`~pyrogram.Client.on_error` decorator.
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Parameters:
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callback (``Callable``):
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Pass a function that will be called when a new Error arrives. It takes *(client, error)*
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as positional arguments (look at the section below for a detailed description).
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exceptions (``Exception`` | Iterable of ``Exception``, *optional*):
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Pass one or more exception classes to allow only a subset of errors to be passed
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in your callback function.
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Other parameters:
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client (:obj:`~pyrogram.Client`):
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The Client itself, useful when you want to call other API methods inside the error handler.
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update (:obj:`~pyrogram.Update`):
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The update that caused the error.
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error (``Exception``):
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The error that was raised.
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"""
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def __init__(
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self,
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callback: Callable,
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exceptions: type[Exception] | Iterable[type[Exception]] | None = None,
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):
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self.exceptions = (
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tuple(exceptions)
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if isinstance(exceptions, Iterable)
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else (exceptions,)
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if exceptions
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else (Exception,)
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)
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super().__init__(callback)
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async def check(self, client: pyrogram.Client, update: Update, exception: Exception) -> bool:
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if isinstance(exception, self.exceptions):
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await self.callback(client, update, exception)
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return True
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return False
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def check_remove(self, error: type[Exception] | Iterable[type[Exception]]) -> bool:
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return isinstance(error, self.exceptions)
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