Fetch Data from reddit

fetch_data.py

import praw
import os
import pymongo
from pymongo import MongoClient
client = MongoClient()
db = client.redditdb
submissions = db.submissions
comments = db.comments

reddit = praw.Reddit(client_id=os.environ.get('REDDIT_CLIENT_ID'),
                     client_secret=os.environ.get('REDDIT_CLIENT_SECRET'),
                     user_agent='RedditAI')

def save_post(submission):
  for i, comment in enumerate(submission.comments.list()):
    try:
      comm = {
        'text' : comment.body,
        'author': comment.author.name,
        'score': comment.score,
        'comment_id': comment.id,
        'subreddit' : submission.subreddit.display_name,
        'submission_id': submission.id
      }
      comments.update({'comment_id': comment.id}, comm, upsert=True)
    except:
      pass

  try:
    sub = {
        'text': submission.title,
        'author': submission.author.name,
        'submission_id': submission.id,
        'subreddit': submission.subreddit.display_name,
        'score': submission.score,
        'created_at' : submission.created_utc,
        'url': submission.url,
      }
    submissions.update({'submission_id': submission.id}, sub, upsert=True)
  except:
    pass

reddit_list = ['travel', 'hiking', 'camping', 'solotravel', 'outdoors', 'RoadTrip']

for sr in reddit_list:
  for submission in reddit.subreddit(sr).hot(limit=2000):
      print("{}".format(submission.title))
      save_post(submission)