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from .chatgetter import ChatGetter
from .sendergetter import SenderGetter
from ... import utils, helpers
from ...tl import types
class Forward(ChatGetter, SenderGetter):
"""
Custom class that encapsulates a :tl:`MessageFwdHeader` providing an
abstraction to easily access information like the original sender.
Remember that this class implements `ChatGetter
<telethon.tl.custom.chatgetter.ChatGetter>` and `SenderGetter
<telethon.tl.custom.sendergetter.SenderGetter>` which means you
have access to all their sender and chat properties and methods.
Attributes:
original_fwd (:tl:`MessageFwdHeader`):
The original :tl:`MessageFwdHeader` instance.
Any other attribute:
Attributes not described here are the same as those available
in the original :tl:`MessageFwdHeader`.
"""
def __init__(self, client, original, entities):
# Copy all the fields, not reference! It would cause memory cycles:
# self.original_fwd.original_fwd.original_fwd.original_fwd
# ...would be valid if we referenced.
self.__dict__.update(original.__dict__)
self.original_fwd = original
sender_id = sender = input_sender = peer = chat = input_chat = None
if original.from_id:
ty = helpers._entity_type(original.from_id)
if ty == helpers._EntityType.USER:
sender_id = utils.get_peer_id(original.from_id)
sender, input_sender = utils._get_entity_pair(
sender_id, entities, client._mb_entity_cache)
elif ty in (helpers._EntityType.CHAT, helpers._EntityType.CHANNEL):
peer = original.from_id
chat, input_chat = utils._get_entity_pair(
utils.get_peer_id(peer), entities, client._mb_entity_cache)
# This call resets the client
ChatGetter.__init__(self, peer, chat=chat, input_chat=input_chat)
SenderGetter.__init__(self, sender_id, sender=sender, input_sender=input_sender)
self._client = client
# TODO We could reload the message
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