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# Hydrogram - Telegram MTProto API Client Library for Python

# 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/>.

from typing import TYPE_CHECKING

from hydrogram.handlers import DisconnectHandler

if TYPE_CHECKING:

import hydrogram

from hydrogram.handlers.handler import Handler

class RemoveHandler:

def remove_handler(self: "hydrogram.Client", handler: "Handler", group: int = 0):

"""Remove a previously-registered update handler.

Make sure to provide the right group where the handler was added in. You can use the return value of the

:meth:`~hydrogram.Client.add_handler` method, a tuple of *(handler, group)*, and pass it directly.

Parameters:

handler (``Handler``):

The handler to be removed.

group (``int``, *optional*):

The group identifier, defaults to 0.

Example:

.. code-block:: python

from hydrogram import Client

from hydrogram.handlers import MessageHandler

async def hello(client, message):

print(message)

app = Client("my_account")

handler = app.add_handler(MessageHandler(hello))

# Starred expression to unpack (handler, group)

app.remove_handler(*handler)

app.run()

"""

if isinstance(handler, DisconnectHandler):

self.disconnect_handler = None

else:

self.dispatcher.remove_handler(handler, group)

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