Telegram scraper no cli no bot

# -*- coding: utf-8 -*-
"""
Created on Fri Jun  8 19:29:06 2018

@author: Mauro
"""
import requests
import os
import re
import time
import pickle
import ssl


last_message_id = 462254

dump_folder = "./messages/"

if not os.path.isdir(dump_folder):
    os.mkdir(dump_folder)

req_counter = 0
for i in range(last_message_id):
    mid = last_message_id - i

    print("scraping message id ", mid, "...")

    filename = "mid_" + str(mid) + ".pickle"
    if os.path.isfile(dump_folder + filename):
        continue

    r = None

    try:
        r = requests.get("https://t.me/Scienza/" + str(mid) + "?embed=1")
        req_counter += 1
    except ssl.SSLError as ssle:
        print(ssle)

        print("waiting...")
        time.sleep(10)
        print("restarting...")

    except Exception as e:
        print(e)
        raise e

    finally:
        print("requests till now", req_counter)


    if r is not None and r.status_code == 200:
        with open(dump_folder + filename, "wb") as f:
            pickle.dump(r, f)
    elif r is not None:
        print(r.status_code)
        print("requests till now", req_counter)
        raise Exception

    time.sleep(0.11)