A reddit (reddit.com) bot that gets free games of cheapshark.com and posts a link to a subreddit

free_game_bot.py

import json
import urllib
import praw
from time import sleep

#All the necessary urls
jsonUrl = "http://www.cheapshark.com/api/1.0/deals?upperPrice=0.0001"
redirectPage = "http://www.cheapshark.com/redirect?dealID={id}"

#All available stores in an array for generating tags
STORES = ['Steam', 'Gamer\'s Gate', 'Green Man Gaming', 'Amazon', 'Game Stop', 'Game Fly', 'GoG', 'Origin', 'Get Games', 'Shiny Loot', 'Humble Store', 'Desura']

#Login and subreddit information
USERNAME = "username"
PASSWORD = "password"
USERAGENT = "useragent - should contain /u/yourRedditName as credit to reddit"
SUBREDDIT = "subreddit"

#global variables
data = None
link = None
title = None
subreddit = None
redditInstance = None

#logs into reddit account and gets the used subreddit
def login():
	global redditInstance
	redditInstance = praw.Reddit(user_agent=USERAGENT)
	redditInstance.login(USERNAME, PASSWORD)
	global subreddit
	subreddit = redditInstance.get_subreddit(SUBREDDIT)
	print "Logging in as " + USERNAME + ", and submitting to /r/" + SUBREDDIT

#gets a JSON object from cheapshark.com
def getJsonData():
	response = urllib.urlopen(jsonUrl)
	global data
	data = json.loads(response.read())
	jsonString = json.dumps(data, sort_keys=True, indent=4)
	print "Getting JSON data from cheapshark.com"

#checks the JSON object
def checkJson(shouldPrint):
	if len(data) <=0:
		if shouldPrint:
			print "No free games"

		return False
	else:
		for i in range(0, len(data)):
			if shouldPrint:
				print "\n"
				print "Title: ", data[i]['title']
				print "Link to:", redirectPage.replace("{id}", data[i]['dealID'])
				print "Store:", STORES[int(data[i]['storeID']) - 1]
				print "Headline: ", "[" + STORES[int(data[i]['storeID']) - 1] + "]", "(Game)", data[i]['title']
				print "\n"

			global link
			link = redirectPage.replace("{id}", data[i]['dealID'])
			global title
			title = "[" + STORES[int(data[i]['storeID']) - 1] + "](Game)" + data[i]['title']
		print "Handling JSON data"
		return True

#submits a link to a subreddit
def submitLink(subr, headline, url):
	redditInstance.submit(subr, headline, text=None, url=url, captcha=None, save=False, send_replies=False)
	print "Submitting link to " + subr

login()
running = True
shouldPrint = True
print "Main loop started - to stop press ctrl + c"
while running:
	try:
		getJsonData()
		shouldSubmit = checkJson(shouldPrint)
		if shouldSubmit:
			try:
				submitLink(subreddit, title, link)
			except praw.errors.AlreadySubmitted, e:
				print "Post already submitted"
				continue
		else:
			print "Nothing to submit"
		
		#sleeping 10min after each cycle
		print "Sleeping for 10 min"
		sleep(600)

	#stop program by pressing ctrl + c
	except KeyboardInterrupt:
		print "Stopping program"
		running = False

	#catches any reddit API errors and sleeps for 30 sec and then retrys
	except praw.errors.APIException, e:
		print "\n"
		print "[ERROR]:", e
	 	print "sleeping 30 sec"
	 	print "\n"
	 	sleep(30)

	#blindly handling any exception that gets thrown
	except Exception, e:
		print "\n"
		print "[ERROR]:", e
		print "blindly handling any error"
		print "\n"
		continue