first_later.py

#get dir from user and make the folders
import os
ans = input("Want to create dir? Press y for yes, n for no:")
if ans == 'y':
	dir = input("Enter the dir:")
	for i in range(65,91):
		os.makedirs(dir + "\\" + chr(i))
	for i in range(0,10):
		os.makedirs(dir + "\\" + str(i))
else:
	dir = input("Enter the dir:")
						
#Main procedure						
while 1:
	try:
		#for requesting url
		import requests
		req = str(requests.get('http://result1.gtu.ac.in/').text)

		#Searching captcha link
		import re
		re.search('CaptchaImage',req)
		temp = re.search('CaptchaImage',req)
		data = req[temp.start():]
		temp = re.search('"',data)
		data = data[0:temp.end()-1]
		url = "http://result1.gtu.ac.in/" + data

		#Looping the procedure
		for i in range(0,1000):
			#for download image
			import urllib.request
			urllib.request.urlretrieve(url, "CaptchaImage.jpg")

			#for cutting image
			from PIL import Image
			im = Image.open("CaptchaImage.jpg")
			if i==0:
				im.show()
			box1 = (0, 0, 40, 50)
			box2 = (40, 0, 80, 50)
			box3 = (75, 0, 115, 50)
			box4 = (115, 0, 150, 50)
			char = []
			char.append(im.crop(box1))
			char.append(im.crop(box2))
			char.append(im.crop(box3))
			char.append(im.crop(box4))
			
			#saving image
			if i==0:
				full_captcha = input("Enter captcha shown in image:")
				if any(c.islower() for c in full_captcha):
					break
				sub_captcha = []
				sub_captcha.append(full_captcha[0])
				sub_captcha.append(full_captcha[1])
				sub_captcha.append(full_captcha[2])
				sub_captcha.append(full_captcha[3])
			
			#retriving last image name
			import glob
			import os
			k=0
			if i==0:
				name = [0, 0, 0, 0]
			for j in sub_captcha:
				list = glob.glob(dir + '\\' + j + '\\' + "*")
				if i==0:
					try:
						name[k] = (os.path.basename(max(list,key=os.path.getctime)))
						name[k] = int(name[k].split(".")[0])
					except:
						name[k] = -1
				char[k].save(dir + "\\" + j + "\\" + str(name[k] + i + 1) + ".png")
				k+=1

			#debuging only
			print(i)
			
		if any(c.islower() for c in full_captcha):
				break
		
	except:
		pass