VERY crude and hastily written Python script to clean up a Telegram group using Telethon based on the user having been online within a month and a picture and username in their profile

purge.py

from telethon import TelegramClient,sync
from telethon.tl.functions.contacts import ResolveUsernameRequest
from telethon.tl.functions.channels import GetAdminLogRequest
from telethon.tl.functions.channels import GetParticipantsRequest
from telethon.tl.functions.channels import EditBannedRequest
from telethon.tl.types import ChannelParticipantsSearch
from telethon.tl.types import InputChannel
from telethon.tl.types import ChannelAdminLogEventsFilter
from telethon.tl.types import InputUserSelf
from telethon.tl.types import InputUser
from telethon.tl.types import ChatBannedRights
import readchar

api_id = 12345 # configure this
api_hash = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxx' # configure this
client = TelegramClient('purge', api_id, api_hash)
client.start()

channel = "yourchannelhere" # configure this
offset = 0
limit = 10000
all_participants = []

def kick_user(channel, user):
  client(EditBannedRequest(channel, user, ChatBannedRights(
      until_date=None,
      view_messages=True
  )))

while True:
    participants = client(GetParticipantsRequest(
        channel, ChannelParticipantsSearch(''), offset, limit,
        hash=0
    ))
    if not participants.users:
        break
    all_participants.extend(participants.users)
    offset += len(participants.users)

for user in all_participants:
  print(user.restriction_reason)
  s = type(user.status).__name__
  if str(user.username).lower().endswith('bot'):
    continue

  if s == "UserStatusRecently":
    continue

  elif s == "UserStatusLastMonth":
    print('Removed:', user.id, user.username)
    kick_user(channel, user.id)

  elif s == "UserStatusLastWeek":
    continue

  elif s == "UserStatusOffline":
    continue

  elif s == "UserStatusOnline":
    continue

  else:
    print('Removed (offline long time, deleted or otherwise weird):', user.first_name, user.last_name, user.id, user.username, user.status, user.is_self, user.restriction_reason)
    kick_user(channel, user.id)
    continue

### police existance of profile picture
for user in all_participants:
  s = type(user.photo).__name__
  #print(user.photo)

  if s == "UserProfilePhoto":
    continue
  else:
    print('No PFP, kick?', user.first_name, user.last_name, "@" + str(user.username))
    resp = readchar.readkey()
    if resp == "y":
      kick_user(channel, user.id)
      print('Kicked:', "ID:", user.id, user.username, user.status, user.restriction_reason)
    else:
      continue