py.py

gistfile1.py

import time

from pyrogram import Client
from pyrogram.api import functions, types
from pyrogram.api.errors import (
    BadRequest, Flood, InternalServerError,
    SeeOther, Unauthorized, UnknownError
)

client = Client("example")
client.start()

target = ""  # Target channel/supergroup
destination = 321
users = []  # List that will contain all the users of the target chat
limit = 200  # Amount of users to retrieve for each API call
offset = 0  # Offset starts at 0
ids = []

while True:
    try:
        participants = client.send(
            functions.channels.GetParticipants(
                channel=client.resolve_peer(target),
                filter=types.ChannelParticipantsSearch(""),  # Filter by empty string (search for all)
                offset=offset,
                limit=limit,
                hash=0
            )
        )
    except FloodWait as e:
        # Very large channels will trigger FloodWait.
        # When happens, wait X seconds before continuing
        time.sleep(e.x)
        continue

    if not participants.participants:
        break  # No more participants left

    for user in participants.users:
    	ids.append(client.resolve_peer(user.id))

    users.extend(participants.users)
    offset += limit

try: 
	update = client.send(
		functions.channels.InviteToChannel(
			channel=client.resolve_peer(destination),
			users=ids
		)
	)

	print(update)
except BadRequest as e:
	print(1, e)
except Flood as e:
	print(2, e)
except InternalServerError as e:
	print(3, e)
except SeeOther as e:
	print(4, e)
except Unauthorized as e:
	print(5, e)
except UnknownError as e:
	print(6, e)
    

client.stop()

# Now the "users" list contains all the members of the target chat