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54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import time
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from pyrogram import Client
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from pyrogram.api.errors import FloodWait
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"""This example shows how to retrieve the full message history of a chat"""
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app = Client("my_account")
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app.start()
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target = "me" # "me" refers to your own chat (Saved Messages)
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messages = [] # List that will contain all the messages of the target chat
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offset_id = 0 # ID of the last message of the chunk
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while True:
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try:
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m = app.get_history(target, offset_id=offset_id)
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except FloodWait as e:
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# For very large chats the method call can raise a FloodWait
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print("waiting {}".format(e.x))
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time.sleep(e.x) # Sleep X seconds before continuing
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continue
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if not m.messages:
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break
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messages += m.messages
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offset_id = m.messages[-1].message_id
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print("Messages: {}".format(len(messages)))
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app.stop()
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# Now the "messages" list contains all the messages sorted by date in
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# descending order (from the most recent to the oldest one)
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