mirror of
https://github.com/LonamiWebs/Telethon.git
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Add an assistant bot example
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import logging
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import logging
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from .client.telegramclient import TelegramClient
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from .client.telegramclient import TelegramClient
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from .network import connection
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from .network import connection
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from .tl import types, functions
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from .tl import types, functions, custom
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from . import version, events, utils
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from . import version, events, utils
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__version__ = version.__version__
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__version__ = version.__version__
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logging.getLogger(__name__).addHandler(logging.NullHandler())
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logging.getLogger(__name__).addHandler(logging.NullHandler())
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__all__ = ['TelegramClient', 'types', 'functions', 'events', 'utils']
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__all__ = ['TelegramClient', 'types', 'functions', 'custom', 'events', 'utils']
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218
telethon_examples/assistant.py
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telethon_examples/assistant.py
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import asyncio
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import difflib
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import logging
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import os
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import sys
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import time
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import urllib.parse
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from telethon import TelegramClient, events, custom
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logging.basicConfig(level=logging.WARNING)
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logging.getLogger('asyncio').setLevel(logging.ERROR)
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for x in 'TG_API_ID TG_API_HASH TG_TOKEN'.split():
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if x not in os.environ:
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print(f'{x} not in environmental variables', file=sys.stderr)
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quit()
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NAME = os.environ['TG_TOKEN'].split(':')[0]
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bot = TelegramClient(NAME, os.environ['TG_API_ID'], os.environ['TG_API_HASH'])
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# ============================== Constants ==============================
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WELCOME = (
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'Hi and welcome to the group. Before asking any questions, **please** '
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'read [the docs](https://telethon.readthedocs.io/). Make sure you are '
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'using the latest version with `pip3 install -U telethon`, since most '
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'problems have already been fixed in newer versions.'
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)
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READ_FULL = (
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'Please read [Accessing the Full API](https://telethon.readthedocs.io'
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'/en/latest/extra/advanced-usage/accessing-the-full-api.html)'
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)
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SEARCH = (
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'Remember [search is your friend]'
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'(https://lonamiwebs.github.io/Telethon/?q={})'
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)
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DOCS = 'TL Reference for [{}](https://lonamiwebs.github.io/Telethon/?q={})'
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RTD = '[Read The Docs!](https://telethon.readthedocs.io)'
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RTFD = '[Read The F* Docs!](https://telethon.readthedocs.io)'
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DOCS_CLIENT = 'https://telethon.readthedocs.io/en/latest/telethon.client.html#'
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DOCS_MESSAGE = (
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'https://telethon.readthedocs.io/en/latest/'
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'telethon.tl.custom.html#telethon.tl.custom.message.Message.'
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)
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# ============================== Constants ==============================
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# ============================== Welcome ==============================
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last_welcome = None
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@bot.on(events.ChatAction)
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async def handler(event):
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if event.user_joined:
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global last_welcome
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if last_welcome is not None:
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await last_welcome.delete()
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last_welcome = await event.reply(WELCOME)
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# ============================== Welcome ==============================
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# ============================== Commands ==============================
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@bot.on(events.NewMessage(pattern='#ping', forwards=False))
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async def handler(event):
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s = time.time()
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message = await event.reply('Pong!')
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d = time.time() - s
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await message.edit(f'Pong! __(reply took {d:.2f}s)__')
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await asyncio.sleep(5)
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await asyncio.wait([event.delete(), message.delete()])
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@bot.on(events.NewMessage(pattern='#full', forwards=False))
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async def handler(event):
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"""#full: Advises to read "Accessing the full API" in the docs."""
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await asyncio.wait([
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event.delete(),
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event.respond(READ_FULL, reply_to=event.reply_to_msg_id)
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])
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@bot.on(events.NewMessage(pattern='#search (.+)', forwards=False))
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async def handler(event):
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"""#search query: Searches for "query" in the method reference."""
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query = urllib.parse.quote(event.pattern_match.group(1))
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await asyncio.wait([
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event.delete(),
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event.respond(SEARCH.format(query), reply_to=event.reply_to_msg_id)
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])
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@bot.on(events.NewMessage(pattern='(?i)#(?:docs|ref) (.+)', forwards=False))
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async def handler(event):
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"""#docs or #ref query: Like #search but shows the query."""
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q1 = event.pattern_match.group(1)
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q2 = urllib.parse.quote(q1)
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await asyncio.wait([
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event.delete(),
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event.respond(DOCS.format(q1, q2), reply_to=event.reply_to_msg_id)
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])
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@bot.on(events.NewMessage(pattern='#rt(f)?d', forwards=False))
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async def handler(event):
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"""#rtd: Tells the user to please read the docs."""
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rtd = RTFD if event.pattern_match.group(1) else RTD
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await asyncio.wait([
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event.delete(),
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event.respond(rtd, reply_to=event.reply_to_msg_id)
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])
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@bot.on(events.NewMessage(pattern='(?i)#(client|msg) (.+)', forwards=False))
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async def handler(event):
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"""#client or #msg query: Looks for the given attribute in RTD."""
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await event.delete()
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query = event.pattern_match.group(2).lower()
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cls = ({'client': TelegramClient, 'msg': custom.Message}
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[event.pattern_match.group(1)])
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attr = search_attr(cls, query)
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if not attr:
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await event.respond(f'No such method "{query}" :/')
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return
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name = attr
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if event.pattern_match.group(1) == 'client':
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attr = attr_fullname(cls, attr)
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url = DOCS_CLIENT
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elif event.pattern_match.group(1) == 'msg':
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name = f'Message.{name}'
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url = DOCS_MESSAGE
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else:
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return
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await event.respond(
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f'Documentation for [{name}]({url}{attr})',
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reply_to=event.reply_to_msg_id
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)
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@bot.on(events.NewMessage(pattern='#list', forwards=False))
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async def handler(event):
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await event.delete()
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text = 'Available commands:\n'
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for callback, handler in bot.list_event_handlers():
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if isinstance(handler, events.NewMessage) and callback.__doc__:
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text += f'\n{callback.__doc__}'
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message = await event.respond(text)
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await asyncio.sleep(1 * text.count(' ')) # Sleep ~1 second per word
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await message.delete()
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# ============================== Commands ==============================
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# ============================== AutoReply ==============================
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@bot.on(events.NewMessage(pattern='(?i)how (.+?)[\W]*$', forwards=False))
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@bot.on(events.NewMessage(pattern='(.+?)[\W]*?\?+', forwards=False))
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async def handler(event):
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words = event.pattern_match.group(1).split()
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rates = [
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search_attr(TelegramClient, ' '.join(words[-i:]), threshold=None)
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for i in range(1, 4)
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]
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what = max(rates, key=lambda t: t[1])
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if what[1] < 0.7:
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return
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name = what[0]
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attr = attr_fullname(TelegramClient, name)
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await event.reply(
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f'Documentation for [{name}]({DOCS_CLIENT}{attr})',
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reply_to=event.reply_to_msg_id
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)
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# We have two @client.on, both could fire, stop stop that
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raise events.StopPropagation
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# ============================== AutoReply ==============================
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# ============================== Helpers ==============================
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def search_attr(cls, query, threshold=0.6):
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seq = difflib.SequenceMatcher(b=query, autojunk=False)
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scores = []
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for n in dir(cls):
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if not n.startswith('_'):
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seq.set_seq1(n)
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scores.append((n, seq.ratio()))
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scores.sort(key=lambda t: t[1], reverse=True)
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if threshold is None:
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return scores[0]
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else:
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return scores[0][0] if scores[0][1] >= threshold else None
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def attr_fullname(cls, n):
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m = getattr(cls, n)
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cls = sys.modules.get(m.__module__)
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for name in m.__qualname__.split('.')[:-1]:
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cls = getattr(cls, name)
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return cls.__module__ + '.' + cls.__name__ + '.' + m.__name__
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# ============================== Helpers ==============================
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bot.start(bot_token=os.environ['TG_TOKEN'])
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bot.run_until_disconnected()
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