A Tool to download a entire Chat from Telegram to have a handy backup.
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#!/usr/bin/env python3
from telethon import TelegramClient, events
from datetime import timedelta
import configparser
import sys
import os
def printDialog(id , d):
# print (d.id, " ", d.name," ", d.pinned)
print('{0:2d} | {1:14d} | {2:30} | {3:1}'.format(id, d.id,d.name,d.pinned))
def saveMessage(message, file, dlid, ownid):
# print(message)
file.write(' <message>\n <date>')
file.write(message.date.strftime("%s"))
file.write('</date>\n <msg>')
file.write(message.message)
file.write('</msg>\n <me>')
file.write(str(int(ownid==message.from_id)))
file.write('</me>\n')
#dl and write media if exist
out = None
if message.media != None:
file.write(' <media>')
file.write(str(dlid))
file.write('</media>\n')
out = message
file.write(' </message>\n')
return out
def createFolder(path):
if not os.path.exists(path):
os.makedirs(path)
class DelayedDownload:
"""A class to store the data, for other methods to download media later"""
message=None
id=1
def __init__(self, _id, msg):
self.id = _id
self.message = msg
#==================================
#MAIN program
#read config
try:
config = configparser.ConfigParser()
config.read('config.ini')
api_id = int(config.get('Main','api_id'))
api_hash = config.get('Main','api_hash')
workers = int(config.get('Main','workers'))
session_name = config.get('Main','user')
except (configparser.NoSectionError, configparser.NoOptionError, ValueError):
print('invalid config.ini')
exit(3)
# create connection
client = TelegramClient(session_name, api_id, api_hash, update_workers=workers, spawn_read_thread=True)
client.start()
me = client.get_me()
#get dialogs
dialogs = client.get_dialogs(limit=100)
print ("chats loaded. (" , len(dialogs), ")")
#print chats
id = 0
#table header
print ('ID | Internal ID | Username | pinned\n———+————————————————+————————————————————————————————+———————')
#content
for d in dialogs:
printDialog(id,d)
id = id+1
get = int(input("Please Enter Chat ID: "))
if get < 0 or get >= id:
print ("Unknown Chat ID!")
exit(1)
selectedDialog = dialogs[get]
print ("selected: ", selectedDialog.name, 'retriving chat!')
chat = client.get_messages(selectedDialog, limit=2000000)
print("retrived ", len(chat), " Messages.")
toDL = []#list of DelayedDownload
createFolder('out/')
while True:
try:
fout = open('out/chat.xml','x')
break
except FileExistsError:
get = input("Override out/chat.xml [y/n]?")
if get == 'y' or get == 'Y':
#delete
os.remove('out/chat.xml')
elif get == 'n' or get == 'N':
#exit
print ("Bye.")
exit(2)
fout.write('<chat>\n')
for c in chat:
dl = saveMessage(c, fout, len(toDL),me.id)
if dl != None:
if dl.media != None:
#here is something to download later
toDL.append(DelayedDownload(len(toDL),c))
fout.write('</chat>\n')
fout.close()
createFolder('out/media/')
print('Chat structure stored. Downloading Media - this may take a while!')
for dl in toDL:
print ('.', end='')
client.download_media(dl.message, "out/media/" + str(dl.id))
print('\n', len(toDL), " Media Files Downloaded.")
print ('End.')