Telegram bot with reddit

bot-v1.py

import telegram
from telegram.ext import Updater, CommandHandler
import praw
import json

# connect and authorize with Reddit API
reddit = praw.Reddit(
    client_id='REDDIT_APP_CLIENT_ID',
    client_secret='REDDIT_APP_CLIENT_SECRET',
    user_agent='pytgbot1 by /u/ringate'
)

# select subreddit
subreddit = reddit.subreddit('HongKong')

# telegram bot init
bot_token = 'TELEGRAM_BOT_TOKEN'
bot = telegram.Bot(token=bot_token)
updater = Updater(token=bot_token, use_context=True)
dispatcher = updater.dispatcher

# for printout permissions with command: /perms
botinfo = {
    "id": bot.get_me().id,
    "is_bot": bot.get_me().is_bot,
    "can_join_groups": bot.get_me().can_join_groups,
    "can_read_all_group_messages": bot.get_me().can_read_all_group_messages,
    "supports_inline_queries": bot.get_me().supports_inline_queries
}

# one command following one function
def start(update, context):
    context.bot.send_message(chat_id=update.effective_chat.id, text="I'm a bot, please talk to me!")

def perms(update, context):
    context.bot.send_message(chat_id=update.effective_chat.id, text=json.dumps(botinfo, indent=2))

def news(update, context):
    for submission in subreddit.top(limit=1):
        context.bot.send_message(chat_id=update.effective_chat.id, text=submission.url)

# deflare and binding specific commands and functions
start_handler = CommandHandler('start', start)
dispatcher.add_handler(start_handler)
perms_handler = CommandHandler('perms', perms)
dispatcher.add_handler(perms_handler)
news_handler = CommandHandler('news', news)
dispatcher.add_handler(news_handler)

# telegram bot service start
updater.start_polling()