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Add an additional check to avoid duplicate iter_messages

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Lonami Exo 2018-05-17 12:08:52 +02:00
parent cffef411b2
commit 129f5bf1f8
1 changed files with 8 additions and 1 deletions
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9
telethon/telegram_client.py
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@ -1137,6 +1137,7 @@ class TelegramClient(TelegramBareClient):
wait_time = 1 if limit > 3000 else 0 wait_time = 1 if limit > 3000 else 0
have = 0 have = 0
last_id = float('inf')
batch_size = min(max(batch_size, 1), 100) batch_size = min(max(batch_size, 1), 100)
while have < limit: while have < limit:
start = time.time() start = time.time()
@ -1150,9 +1151,15 @@ class TelegramClient(TelegramBareClient):
for x in itertools.chain(r.users, r.chats)} for x in itertools.chain(r.users, r.chats)}
for message in r.messages: for message in r.messages:
if isinstance(message, MessageEmpty): if isinstance(message, MessageEmpty) or message.id >= last_id:
continue continue
# There has been reports that on bad connections this method
# was returning duplicated IDs sometimes. Using ``last_id``
# is an attempt to avoid these duplicates, since the message
# IDs are returned in descending order.
last_id = message.id
# Add a few extra attributes to the Message to be friendlier. # Add a few extra attributes to the Message to be friendlier.
# To make messages more friendly, always add message # To make messages more friendly, always add message
# to service messages, and action to normal messages. # to service messages, and action to normal messages.