import urllib
import csv
from threading import Thread


def download_function(lower_limit,upper_limit):
	counter = 0
	file_object = open("../train.csv")
	csv_obj = csv.reader(file_object)
	for row in csv_obj:
		counter+= 1
		print counter
		if counter <= lower_limit:
			continue
		else:
			try:
				urllib.urlretrieve(row[0],str(counter)+"-"+row[1]+"-.JPG")
			except:
				download_function(counter,counter)
		if counter > upper_limit:
			break

for j in range(31,101):
	print j
	Thread(target=download_function,args=(j*1000,(j)*1000+300)).start()
	Thread(target=download_function,args=(j*1000+300,(j)*1000+400)).start()
	Thread(target=download_function,args=(j*1000+400,(j)*1000+500)).start()
	Thread(target=download_function,args=(j*1000+500,(j)*1000+800)).start()
	Thread(target=download_function,args=(j*1000+800,(j+1)*1000)).start()