hacker news phenny module

hn.py

'''
Phenny module to make Phenny fetch the highest scoring HN article and post 
it for discussion.
'''
import os, urllib, json
from datetime import datetime as dt



LOG_PATH = '.'
LOG_NAME = '.hn-log'
REFRESH_SECONDS = 60 * 15 # 15 minutes
MAX_HISTORY_SIZE = 10

last_run = dt(1000,1,1,0,0,0) # Long time ago
last_urls = []



def hn(ph, data):
    global LOG_PATH
    global LOG_NAME
    global REFRESH_SECONDS
    global MAX_HISTORY_SIZE
    global last_run
    global last_urls
    
    try:
        now = dt.now()
        
        if (now - last_run).seconds >= REFRESH_SECONDS:
            last_run = now
            
            # For finding max votes
            def get_most_popular(items):
                def max_item(a, b):
                    if int(a['points']) > int(b['points']):
                        return a
                    else:
                        return b
                pop = reduce(max_item, items)
                items.remove(pop)
                return pop
                
            resp = urllib.urlopen(url='http://api.ihackernews.com/page')
            items = json.loads(resp.read())['items']
            
            url = get_most_popular(items)['url']
            while url in last_urls:
                url = get_most_popular(items)['url']
            
            last_urls.insert(0, url)
            if len(last_urls) > MAX_HISTORY_SIZE:
                last_urls.pop()
            
            ph.say('Hey everyone, we should talk about this: %s' % url)
            
    except Exception as e:
        # Because Phenny blasts exceptions into the channel
        print e

hn.rule = r'.*'
hn.priority = 'medium'
hn.thread = False



def repeat(ph, data):
    global last_urls
    
    try:
        if last_urls:
            ph.say('Sure %s, I love repeating myself... %s' % (
                data.nick, 
                last_urls[0],
            ))
        else:
            ph.say('Hold your horses, let me think!')
            
    except Exception as e:
        print e
        
repeat.rule = r'$nickname repeat hn'
repeat.priority = 'medium'
repeat.thread = False