contest_mode_bot

bot.py

#!/usr/bin/env python

# Copyright (c) 2013 Nikola Kovacevic <[email protected]>

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

import requests
import json
import time
import os

##################### Data to modify ##########################################
username = 'bot_username'
password = 'bot_password'
post_source="http://www.reddit.com/r/askreddit/new/" + ".json"
bot_user_agent="wub_wub's awesome bot" #write something more descriptive here
simulate=True       #won't change anything, just prints out what it would do
refresh_timeout=60  #How often to check for new thread and see if any need status change
contest_time   =120 #time in seconds that thread will be in contest mode
###############################################################################

indexed_threads={}
user_pass_dict = {'user': username,
                  'passwd': password,
                  'api_type': 'json',}
headers = {'user-agent': bot_user_agent, }
client = requests.session(headers=headers)
client.post(r'http://www.reddit.com/api/login', data=user_pass_dict)

def get_modhash():
    """I'm not sure if new modhash is needed on every change,
        so it might be better to put this outside function and get hash
        just on startup
    """
    mod=client.get("http://www.reddit.com/api/me.json")
    j = json.loads(mod.text)
    return j['data']['modhash']

def update_db(thread_id,new_status):
    indexed_threads[thread_id]={'id':thread_id,'status':new_status,'time':time.time()}
    print indexed_threads[thread_id]
    with open("threads_file",'w') as out_file:
        out_file.write(json.dumps(indexed_threads))

def change_status(thing_name,status=True):
    if simulate:
        print 'Simulation: setting {}\'s contest mode to {}'.format(thing_name,status)
        update_db(thing_name,status)
        time.sleep(2)
    else:
        contest_data={"id":thing_name,
                      "state":status,
                      "uh":get_modhash(),
                      "r":post_source.split('/r/')[4]}
        if len(contest_data["uh"])<10:
            return None
        else:
            client.post(r'http://www.reddit.com/api/set_contest_mode', data=contest_data)
            update_db(thing_name,status)
            time.sleep(2)

def get_new_posts():
    posts=client.get(post_source)
    threads=json.loads(posts.text)
    for thread in threads['data']['children']:
        if thread['data']['name'] not in indexed_threads:
            change_status(thread['data']['name'],status=True)
        else:
            'Thread {} already in database'.format(thread['data']['name'])

def disable_contest():
    print 'checking for threads to disable'
    for item in indexed_threads:
        if str(indexed_threads[item]['status'])!='False' and time.time()-float(indexed_threads[item]['time'])>=contest_time:
            change_status(indexed_threads[item]['id'],status=False)


if __name__ == '__main__':
    while True:
        with open('threads_file') as data_file:
            indexed_threads = json.load(data_file)
        get_new_posts()
        disable_contest()
        time.sleep(refresh_timeout)