mirror of
https://github.com/LonamiWebs/Telethon.git
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317 lines
12 KiB
Python
317 lines
12 KiB
Python
import os
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from getpass import getpass
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from telethon import TelegramClient, ConnectionMode
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from telethon.errors import SessionPasswordNeededError
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from telethon.tl.types import (
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UpdateShortChatMessage, UpdateShortMessage, PeerChat
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)
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from telethon.utils import get_display_name
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def sprint(string, *args, **kwargs):
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"""Safe Print (handle UnicodeEncodeErrors on some terminals)"""
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try:
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print(string, *args, **kwargs)
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except UnicodeEncodeError:
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string = string.encode('utf-8', errors='ignore')\
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.decode('ascii', errors='ignore')
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print(string, *args, **kwargs)
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def print_title(title):
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# Clear previous window
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print('\n')
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print('=={}=='.format('=' * len(title)))
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sprint('= {} ='.format(title))
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print('=={}=='.format('=' * len(title)))
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def bytes_to_string(byte_count):
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"""Converts a byte count to a string (in KB, MB...)"""
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suffix_index = 0
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while byte_count >= 1024:
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byte_count /= 1024
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suffix_index += 1
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return '{:.2f}{}'.format(byte_count,
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[' bytes', 'KB', 'MB', 'GB', 'TB'][suffix_index])
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class InteractiveTelegramClient(TelegramClient):
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"""Full featured Telegram client, meant to be used on an interactive
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session to see what Telethon is capable off -
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This client allows the user to perform some basic interaction with
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Telegram through Telethon, such as listing dialogs (open chats),
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talking to people, downloading media, and receiving updates.
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"""
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def __init__(self, session_user_id, user_phone, api_id, api_hash,
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proxy=None):
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print_title('Initialization')
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print('Initializing interactive example...')
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super().__init__(
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session_user_id, api_id, api_hash,
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connection_mode=ConnectionMode.TCP_ABRIDGED,
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proxy=proxy,
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update_workers=1
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)
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# Store all the found media in memory here,
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# so it can be downloaded if the user wants
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self.found_media = set()
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print('Connecting to Telegram servers...')
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if not self.connect():
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print('Initial connection failed. Retrying...')
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if not self.connect():
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print('Could not connect to Telegram servers.')
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return
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# Then, ensure we're authorized and have access
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if not self.is_user_authorized():
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print('First run. Sending code request...')
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self.send_code_request(user_phone)
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self_user = None
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while self_user is None:
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code = input('Enter the code you just received: ')
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try:
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self_user = self.sign_in(user_phone, code)
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# Two-step verification may be enabled
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except SessionPasswordNeededError:
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pw = getpass('Two step verification is enabled. '
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'Please enter your password: ')
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self_user = self.sign_in(password=pw)
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def run(self):
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# Listen for updates
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self.add_update_handler(self.update_handler)
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# Enter a while loop to chat as long as the user wants
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while True:
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# Retrieve the top dialogs
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dialog_count = 15
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# Entities represent the user, chat or channel
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# corresponding to the dialog on the same index
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dialogs, entities = self.get_dialogs(limit=dialog_count)
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i = None
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while i is None:
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print_title('Dialogs window')
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# Display them so the user can choose
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for i, entity in enumerate(entities, start=1):
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sprint('{}. {}'.format(i, get_display_name(entity)))
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# Let the user decide who they want to talk to
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print()
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print('> Who do you want to send messages to?')
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print('> Available commands:')
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print(' !q: Quits the dialogs window and exits.')
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print(' !l: Logs out, terminating this session.')
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print()
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i = input('Enter dialog ID or a command: ')
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if i == '!q':
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return
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if i == '!l':
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self.log_out()
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return
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try:
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i = int(i if i else 0) - 1
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# Ensure it is inside the bounds, otherwise retry
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if not 0 <= i < dialog_count:
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i = None
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except ValueError:
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i = None
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# Retrieve the selected user (or chat, or channel)
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entity = entities[i]
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# Show some information
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print_title('Chat with "{}"'.format(get_display_name(entity)))
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print('Available commands:')
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print(' !q: Quits the current chat.')
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print(' !Q: Quits the current chat and exits.')
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print(' !h: prints the latest messages (message History).')
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print(' !up <path>: Uploads and sends the Photo from path.')
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print(' !uf <path>: Uploads and sends the File from path.')
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print(' !d <msg-id>: Deletes a message by its id')
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print(' !dm <msg-id>: Downloads the given message Media (if any).')
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print(' !dp: Downloads the current dialog Profile picture.')
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print()
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# And start a while loop to chat
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while True:
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msg = input('Enter a message: ')
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# Quit
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if msg == '!q':
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break
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elif msg == '!Q':
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return
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# History
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elif msg == '!h':
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# First retrieve the messages and some information
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total_count, messages, senders = self.get_message_history(
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entity, limit=10)
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# Iterate over all (in reverse order so the latest appear
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# the last in the console) and print them with format:
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# "[hh:mm] Sender: Message"
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for msg, sender in zip(
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reversed(messages), reversed(senders)):
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# Get the name of the sender if any
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if sender:
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name = getattr(sender, 'first_name', None)
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if not name:
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name = getattr(sender, 'title')
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if not name:
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name = '???'
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else:
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name = '???'
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# Format the message content
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if getattr(msg, 'media', None):
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self.found_media.add(msg)
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# The media may or may not have a caption
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caption = getattr(msg.media, 'caption', '')
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content = '<{}> {}'.format(
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type(msg.media).__name__, caption)
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elif hasattr(msg, 'message'):
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content = msg.message
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elif hasattr(msg, 'action'):
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content = str(msg.action)
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else:
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# Unknown message, simply print its class name
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content = type(msg).__name__
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# And print it to the user
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sprint('[{}:{}] (ID={}) {}: {}'.format(
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msg.date.hour, msg.date.minute, msg.id, name,
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content))
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# Send photo
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elif msg.startswith('!up '):
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# Slice the message to get the path
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self.send_photo(path=msg[len('!up '):], entity=entity)
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# Send file (document)
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elif msg.startswith('!uf '):
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# Slice the message to get the path
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self.send_document(path=msg[len('!uf '):], entity=entity)
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# Delete messages
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elif msg.startswith('!d '):
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# Slice the message to get message ID
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deleted_msg = self.delete_messages(entity, msg[len('!d '):])
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print('Deleted. {}'.format(deleted_msg))
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# Download media
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elif msg.startswith('!dm '):
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# Slice the message to get message ID
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self.download_media_by_id(msg[len('!dm '):])
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# Download profile photo
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elif msg == '!dp':
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print('Downloading profile picture to usermedia/...')
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os.makedirs('usermedia', exist_ok=True)
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output = self.download_profile_photo(entity, 'usermedia')
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if output:
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print(
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'Profile picture downloaded to {}'.format(output)
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)
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else:
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print('No profile picture found for this user.')
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# Send chat message (if any)
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elif msg:
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self.send_message(
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entity, msg, link_preview=False)
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def send_photo(self, path, entity):
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self.send_file(
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entity, path,
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progress_callback=self.upload_progress_callback
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)
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print('Photo sent!')
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def send_document(self, path, entity):
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self.send_file(
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entity, path,
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force_document=True,
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progress_callback=self.upload_progress_callback
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)
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print('Document sent!')
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def download_media_by_id(self, media_id):
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try:
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# The user may have entered a non-integer string!
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msg_media_id = int(media_id)
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# Search the message ID
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for msg in self.found_media:
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if msg.id == msg_media_id:
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print('Downloading media to usermedia/...')
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os.makedirs('usermedia', exist_ok=True)
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output = self.download_media(
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msg.media,
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file='usermedia/',
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progress_callback=self.download_progress_callback
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)
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print('Media downloaded to {}!'.format(output))
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except ValueError:
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print('Invalid media ID given!')
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@staticmethod
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def download_progress_callback(downloaded_bytes, total_bytes):
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InteractiveTelegramClient.print_progress(
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'Downloaded', downloaded_bytes, total_bytes
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)
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@staticmethod
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def upload_progress_callback(uploaded_bytes, total_bytes):
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InteractiveTelegramClient.print_progress(
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'Uploaded', uploaded_bytes, total_bytes
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)
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@staticmethod
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def print_progress(progress_type, downloaded_bytes, total_bytes):
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print('{} {} out of {} ({:.2%})'.format(
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progress_type, bytes_to_string(downloaded_bytes),
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bytes_to_string(total_bytes), downloaded_bytes / total_bytes)
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)
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def update_handler(self, update):
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if isinstance(update, UpdateShortMessage):
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who = self.get_entity(update.user_id)
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if update.out:
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sprint('>> "{}" to user {}'.format(
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update.message, get_display_name(who)
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))
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else:
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sprint('<< {} sent "{}"]'.format(
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get_display_name(who), update.message
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))
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elif isinstance(update, UpdateShortChatMessage):
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which = self.get_entity(PeerChat(update.chat_id))
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if update.out:
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sprint('>> sent "{}" to chat {}'.format(
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update.message, get_display_name(which)
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))
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else:
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who = self.get_entity(update.from_id)
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sprint('<< {} @ {} sent "{}"'.format(
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get_display_name(which), get_display_name(who),
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update.message
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))
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