# Hydrogram - Telegram MTProto API Client Library for Python

# Copyright (C) 2020-present Cezar H. <https://github.com/usernein>

# Copyright (C) 2023-present Hydrogram <https://hydrogram.org>

#

# This file is part of Hydrogram.

#

# Hydrogram is free software: you can redistribute it and/or modify

# it under the terms of the GNU Lesser General Public License as published

# by the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# Hydrogram is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public License

# along with Hydrogram. If not, see <http://www.gnu.org/licenses/>.

import inspect

from typing import TYPE_CHECKING

from hydrogram.errors import (

ListenerStopped,

)

from hydrogram.types import Listener

from hydrogram.utils import PyromodConfig

if TYPE_CHECKING:

import hydrogram

class StopListener:

async def stop_listener(self: "hydrogram.Client", listener: Listener):

"""

Stops a listener, calling stopped_handler if applicable or raising ListenerStopped if throw_exceptions is True.

Parameters:

listener (:obj:`~hydrogram.types.Listener`):

The :class:`hydrogram.types.Listener` to stop.

Returns:

None

Raises:

ListenerStopped: If throw_exceptions is True.

"""

self.remove_listener(listener)

if listener.future.done():

return

if callable(PyromodConfig.stopped_handler):

if inspect.iscoroutinefunction(PyromodConfig.stopped_handler.__call__):

await PyromodConfig.stopped_handler(None, listener)

else:

await self.loop.run_in_executor(

None, PyromodConfig.stopped_handler, None, listener

)

elif PyromodConfig.throw_exceptions:

listener.future.set_exception(ListenerStopped())