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Remove sched_to_message special-case when mapping msgs

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May fix #3012.
This commit is contained in:
Lonami Exo 2021-03-31 10:30:24 +02:00
parent f326769fa8
commit e5a5ac5943
1 changed files with 17 additions and 31 deletions
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48
telethon/client/messageparse.py
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@ -123,7 +123,6 @@ class MessageParseMethods:
random_to_id = {}
id_to_message = {}
sched_to_message = {} # scheduled IDs may collide with normal IDs
for update in updates:
if isinstance(update, types.UpdateMessageID):
random_to_id[update.random_id] = update.id
@ -164,7 +163,10 @@ class MessageParseMethods:
elif isinstance(update, types.UpdateNewScheduledMessage):
update.message._finish_init(self, entities, input_chat)
sched_to_message[update.message.id] = update.message
# Scheduled IDs may collide with normal IDs. However, for a
# single request there *shouldn't* be a mix between "some
# scheduled and some not".
id_to_message[update.message.id] = update.message
elif isinstance(update, types.UpdateMessagePoll):
if request.media.poll.id == update.poll_id:
@ -182,17 +184,6 @@ class MessageParseMethods:
if request is None:
return id_to_message
# Use the scheduled mapping if we got a request with a scheduled message
#
# This breaks if the schedule date is too young, however, since the message
# is sent immediately, so have a fallback.
if getattr(request, 'schedule_date', None) is None:
mapping = id_to_message
opposite = {} # if there's no schedule it can never be scheduled
else:
mapping = sched_to_message
opposite = id_to_message # scheduled may be treated as normal, though
random_id = request if isinstance(request, (int, list)) else getattr(request, 'random_id', None)
if random_id is None:
# Can happen when pinning a message does not actually produce a service message.
@ -201,9 +192,7 @@ class MessageParseMethods:
return None
if not utils.is_list_like(random_id):
msg = mapping.get(random_to_id.get(random_id))
if not msg:
msg = opposite.get(random_to_id.get(random_id))
msg = id_to_message.get(random_to_id.get(random_id))
if not msg:
self._log[__name__].warning(
@ -212,24 +201,21 @@ class MessageParseMethods:
return msg
try:
return [mapping[random_to_id[rnd]] for rnd in random_id]
return [id_to_message[random_to_id[rnd]] for rnd in random_id]
except KeyError:
try:
return [opposite[random_to_id[rnd]] for rnd in random_id]
except KeyError:
# Sometimes forwards fail (`MESSAGE_ID_INVALID` if a message gets
# deleted or `WORKER_BUSY_TOO_LONG_RETRY` if there are issues at
# Telegram), in which case we get some "missing" message mappings.
# Log them with the hope that we can better work around them.
#
# This also happens when trying to forward messages that can't
# be forwarded because they don't exist (0, service, deleted)
# among others which could be (like deleted or existing).
self._log[__name__].warning(
'Request %s had missing message mappings %s', request, result)
# Sometimes forwards fail (`MESSAGE_ID_INVALID` if a message gets
# deleted or `WORKER_BUSY_TOO_LONG_RETRY` if there are issues at
# Telegram), in which case we get some "missing" message mappings.
# Log them with the hope that we can better work around them.
#
# This also happens when trying to forward messages that can't
# be forwarded because they don't exist (0, service, deleted)
# among others which could be (like deleted or existing).
self._log[__name__].warning(
'Request %s had missing message mappings %s', request, result)
return [
(mapping.get(random_to_id[rnd]) or opposite.get(random_to_id[rnd]))
id_to_message.get(random_to_id[rnd])
if rnd in random_to_id
else None
for rnd in random_id