get_twitter_data.py~

import argparse
import urllib
#import urllib2
import json
import datetime
import random
import os
import pickle
from datetime import timedelta
import oauth2

class TwitterData:
    #start __init__
    def __init__(self):
        self.currDate = datetime.datetime.now()
        self.weekDates = []
        self.weekDates.append(self.currDate.strftime("%Y-%m-%d"))
        for i in range(1,7):
            dateDiff = timedelta(days=-i)
            newDate = self.currDate + dateDiff
            self.weekDates.append(newDate.strftime("%Y-%m-%d"))
        #end loop
    #end

    #start getWeeksData
    def getTwitterData(self, keyword, time):
        self.weekTweets = {}
        if(time == 'lastweek'):
            for i in range(0,6):
                params = {'since': self.weekDates[i+1], 'until': self.weekDates[i]}
                self.weekTweets[i] = self.getData(keyword, params)
            #end loop
            
            #Write data to a pickle file
            filename = 'data/weekTweets/weekTweets_'+urllib.unquote(keyword.replace("+", " "))+'_'+str(int(random.random()*10000))+'.txt'
            outfile = open(filename, 'wb')        
            pickle.dump(self.weekTweets, outfile)        
            outfile.close()
        elif(time == 'today'):
            for i in range(0,1):
                params = {'since': self.weekDates[i+1], 'until': self.weekDates[i]}
                self.weekTweets[i] = self.getData(keyword, params)
            #end loop
        return self.weekTweets
    '''
        inpfile = open('data/weekTweets/weekTweets_obama_7303.txt')
        self.weekTweets = pickle.load(inpfile)
        inpfile.close()
        return self.weekTweets
    '''
    #end
    
    def parse_config(self):
      config = {}
      # from file args
      if os.path.exists('config.json'):
          with open('config.json') as f:
              config.update(json.load(f))
      else:
          # may be from command line
          parser = argparse.ArgumentParser()

          parser.add_argument('-ck', '--consumer_key', default=None, help='Your developper `Consumer Key`')
          parser.add_argument('-cs', '--consumer_secret', default=None, help='Your developper `Consumer Secret`')
          parser.add_argument('-at', '--access_token', default=None, help='A client `Access Token`')
          parser.add_argument('-ats', '--access_token_secret', default=None, help='A client `Access Token Secret`')

          args_ = parser.parse_args()
          def val(key):
            return config.get(key)\
                   or getattr(args_, key)\
                   or raw_input('Your developper `%s`: ' % key)
          config.update({
            'consumer_key': val('consumer_key'),
            'consumer_secret': val('consumer_secret'),
            'access_token': val('access_token'),
            'access_token_secret': val('access_token_secret'),
          })
      # should have something now
      return config

    def oauth_req(self, url, http_method="GET", post_body=None,
                  http_headers=None):
      config = self.parse_config()
      consumer = oauth2.Consumer(key=config.get('consumer_key'), secret=config.get('consumer_secret'))
      token = oauth2.Token(key=config.get('access_token'), secret=config.get('access_token_secret'))
      client = oauth2.Client(consumer, token)
   
      resp, content = client.request(
          url,
          method=http_method,
          body=post_body or '',
          headers=http_headers
      )
      return content
    
    #start getTwitterData
    def getData(self, keyword, params = {}):
        maxTweets = 50
        url = 'https://api.twitter.com/1.1/search/tweets.json?'    
        data = {'q': keyword, 'lang': 'en', 'result_type': 'recent', 'count': maxTweets, 'include_entities': 0}

        #Add if additional params are passed
        if params:
            for key, value in params.iteritems():
                data[key] = value
        
        url += urllib.urlencode(data)
        
        response = self.oauth_req(url)
        jsonData = json.loads(response)
        tweets = []
        if 'errors' in jsonData:
            print ("API Error")
            print (jsonData['errors'])
        else:
            for item in jsonData['statuses']:
                tweets.append(item['text'])            
        return tweets      
    #end    

#end class