reddit.py

import praw
import json
import time
import calendar

reddit = praw.Reddit(client_id='k1TRpvZvtwdO0A',
                     client_secret='nhXP4m3w-lYq_jvzuvz7SxXgc1A',
                     user_agent='python:praw (by /u/sq42na)')

subreddit = reddit.subreddit("jokes")

ts_max = calendar.timegm(time.strptime("2016 09 20","%Y %m %d"))


listings = subreddit.submissions(end=ts_max)


num_scraped = 0
save_frequency = 100

jokes = []
try:
    for submission in listings:
        #print("Created: {} [{} UTC]".format(submission.created, submission.created_utc))
        print("Submission {} [{}] success: [{}] {}".format(num_scraped+1, submission.id, submission.score, submission.title))
        jokes.append({"title": submission.title, "score": submission.score, "id": submission.id, "body": submission.selftext})

        num_scraped += 1

        if num_scraped % save_frequency == 0:
            with open("reddit_jokes.json", "w") as f:
                json.dump(jokes, f, indent=4, sort_keys=True)
finally:
    with open("reddit_jokes.json", "w") as f:
        json.dump(jokes, f, indent=4, sort_keys=True)