cfg.py

# Defines projct-wide variables and connections Redis, Neorj, and other parameters and methods

import time,os
import datetime
import redis
from py2neo import Graph, authenticate, Node, Relationship
from py2neo.packages.httpstream import http

DATE_FORMAT = "%a %b %d %H:%M:%S +0000 %Y"

# converte the creation times of tweets 
def getTweetTime(data):
        stime = time.strptime(data['created_at'],DATE_FORMAT)
        epochtime = time.mktime(stime)
        return epochtime


# list of users to watch retweets for
userlist = ['255359603',"1","1339835893"]

# connect to a Redis data store 
red = redis.Redis(host='localhost',port=6379,db=0)

# connect to the neo4j grah databse. This database holds a simulated twitter like social network. 
os.environ.get('NEO4J_USERNAME')
url = 'http://localhost:7474'

authenticate(url.strip('http://'), os.environ.get('NEO4J_USERNAME'), os.environ.get('NEO4J_PASSWORD'))
graph = Graph(url+'/db/data/')
graph = Graph()


# set limit of retweets to collect, meaning the re-tweet graph can only consist of retweetlimit number of nodes
retweetlimit = 10000