Example #1
0
    def run(self):
        config = {
            'user': '******',
            'passwd': 'RDKC1VlNyLSg',
            'host': '127.7.115.1',
            'db': 'backup'
        }
        self.cnx = MySQLdb.connect(**config)
        logging.info("Classifying For %s." % self.Company)
        neg_count = 0
        pos_count = 0
        try:
            if (self.cnx == None):
                self.cnx = MySQLdb.connect(**config)

            d = datetime.datetime.today()
            america = timezone('America/New_York')
            india = timezone('Asia/Kolkata')
            dd = america.localize(d)
            dd = dd.astimezone(india)

            get_tweet = "select * from tweets_" + self.Company + " where sentiment!=1"
            cur = self.cnx.cursor()
            cur.execute(get_tweet)
            db_tweets = cur.fetchall()

            for line in db_tweets:
                value = PyClassi.classify(line[1], self.Company)

                if value == 0:
                    neg_count += 1
                elif value == 2:
                    pos_count += 1

                update = "update tweets_" + self.Company + " set classified=" + str(
                    value) + " where id=" + str(line[0])
                cur.execute(update)

            sen_value = float(pos_count) / neg_count

            add_Stock = "INSERT ignore INTO bay_%s VALUES (%s,%s)"
            cur.execute(add_Stock % (self.Company, "'" + str(sen_value) + "'",
                                     "'" + dd.strftime('%Y-%m-%d') + "'"))
            self.cnx.commit()

        except Exception as e:
            logging.info(self.Company + "Error : " + str(type(e)) + str(e))
        else:
            logging.info(self.Company +
                         "Bayesian value Added To Database For %s." %
                         self.Company)
        self.cnx.close()
	def run(self):
		config = {'user': '******','passwd': 'RDKC1VlNyLSg','host': '127.7.115.1','db': 'backup'}
		self.cnx = MySQLdb.connect(**config)
		logging.info("Classifying For %s."%self.Company)
		neg_count=0
		pos_count=0
		try:
			if(self.cnx==None):
				self.cnx = MySQLdb.connect(**config)

			d = datetime.datetime.today()
			america=timezone('America/New_York')
			india=timezone('Asia/Kolkata')
			dd=america.localize(d)
			dd=dd.astimezone(india)

			get_tweet = "select * from tweets_"+self.Company+" where sentiment!=1"
			cur=self.cnx.cursor()
			cur.execute(get_tweet)
			db_tweets = cur.fetchall()

			for line in db_tweets:
				value=PyClassi.classify(line[1],self.Company)

				if value==0:
					neg_count+=1
				elif value==2:
					pos_count+=1

				update="update tweets_"+self.Company+" set classified="+str(value)+" where id="+str(line[0])
				cur.execute(update)

			sen_value=float(pos_count)/neg_count

			add_Stock = "INSERT ignore INTO bay_%s VALUES (%s,%s)"
			cur.execute(add_Stock%(self.Company,"'"+str(sen_value)+"'","'"+dd.strftime('%Y-%m-%d')+"'"))
			self.cnx.commit()

		except Exception as e :
			logging.info(self.Company+"Error : "+str(type(e))+str(e))
		else :
			logging.info(self.Company+"Bayesian value Added To Database For %s."%self.Company)
		self.cnx.close()
Example #3
0
#! /usr/bin/python

import PyClassi as Classifier
from re import sub
import PyNegator

test=open("test.txt")
correct=0
wrong=0
falsepositive=0
falsenegative=0

for line in test.readlines():
	status=line[0]
	lne=sub(r"[!]|[.]|[#][^ ]+|[&]|[-]|[?]|[_]|((http|https)://)[^ ]+|\w*[@][^ ]+|\b[\S0-9]\b",'',line.lower())
	classi=Classifier.classify(lne)

	if status=='0': #polarity representation reversed for database representation sake :-/
		if classi==status:
			correct+=1
		else:
			falsepositive+=1
			wrong+=1
	elif status=='1':
		if classi==status:
			correct+=1
		else:
			falsenegative+=1
			wrong+=1
	print "Correct : ",correct,"\n Wrong : ",wrong,"\n falsenegative : ",falsenegative,"\n falsepositive",falsepositive
	print "\n ratio : ",(float(correct)/(correct+wrong))*100