scraper.py

from telethon.sync import TelegramClient
from telethon.tl.functions.messages import GetDialogsRequest
from telethon.tl.types import InputPeerEmpty
import os, sys
import configparser
import csv
import time

re="\033[1;31m"
gr="\033[1;32m"
cy="\033[1;36m"
yo="\033[1;33m"

def banner():
    print(f"""
{re}╔╦╗{cy}┌─┐┬  ┌─┐{re}╔═╗  ╔═╗{cy}┌─┐┬─┐┌─┐┌─┐┌─┐┬─┐
{re} ║ {cy}├┤ │  ├┤ {re}║ ╦  ╚═╗{cy}│  ├┬┘├─┤├─┘├┤ ├┬┘
{re} ╩ {cy}└─┘┴─┘└─┘{re}╚═╝  ╚═╝{cy}└─┘┴└─┴ ┴┴  └─┘┴└─
            Version: 1.3
     Modified by @saifalisew1508
        """)

cpass = configparser.RawConfigParser()
cpass.read('config.data')

try:
    api_id = cpass['cred']['id']
    api_hash = cpass['cred']['hash']
    phone = cpass['cred']['phone']
    client = TelegramClient(phone, api_id, api_hash)
except KeyError:
    os.system('clear')
    banner()
    print("\033[91m[!] run \033[92mpython3 setup.py \033[91mfirst !!\n")
    sys.exit(1)

client.connect()
if not client.is_user_authorized():
    client.send_code_request(phone)
    os.system('clear')
    banner()
    client.sign_in(phone, input(gr+'[+] Enter the verification code: '+yo))

os.system('clear')
banner()
chats = []
last_date = None
chunk_size = 200
groups=[]

result = client(GetDialogsRequest(
             offset_date=last_date,
             offset_id=0,
             offset_peer=InputPeerEmpty(),
             limit=chunk_size,
             hash = 0
         ))
chats.extend(result.chats)

for chat in chats:
    try:
        if chat.megagroup== True:
            groups.append(chat)
    except:
        continue

print(gr+'[+] Choose a group to scrape members:'+re)
for i, g in enumerate(groups):
    print(gr+'['+cy+str(i)+']' + ' - ' + g.title)
print('')
g_index = input(gr+"[+] Enter a Number: "+re)
target_group=groups[int(g_index)]

print(gr+'[+] Fetching Members ...')
time.sleep(1)
all_participants = []
all_participants = client.iter_participants(target_group)

print(gr+'[+] Saving in file ...')
time.sleep(1)
with open("members.csv","w",encoding='UTF-8') as f:
    writer = csv.writer(f,delimiter=",",lineterminator="\n")
    writer.writerow(['username','user id', 'access hash','name','group', 'group id'])
    for user in all_participants:
        username = user.username or ""
        first_name = user.first_name or ""
        last_name = user.last_name or ""
        name= (first_name + ' ' + last_name).strip()
        writer.writerow([username,user.id,user.access_hash,name,target_group.title, target_group.id])
print(gr+'[+] Members scraped successfully!')