make a captcha, jsut use it to generate data for cracking captcha.

make_captcha.py

#!/usr/bin/env python
# coding: utf-8

import string,random
import numpy as np
from captcha.image import ImageCaptcha
import matplotlib.pyplot as plt
from PIL import Image



number = [str(i) for i in range(0,10)]

loweralpha = [ _ for _ in string.lowercase[:26]]
upperalpha = [ _ for _ in string.uppercase[:26]]


def random_captcha_text( source = number+loweralpha+upperalpha, size=4):
	captcha_text = []
	for _ in range(size):
		c = random.choice(source)
		captcha_text.append(c)
	return captcha_text

def generate_captch_text_and_image():
	image = ImageCaptcha()

	captcha_text = random_captcha_text()
	captcha_text = ''.join(captcha_text)

	captcha = image.generate(captcha_text)

	captcha_image = Image.open(captcha)
	captcha_image = np.array(captcha_image)		
	return captcha_text, captcha_image
	

if __name__ == '__main__':
	
	text, image = generate_captch_text_and_image()

	f = plt.figure()
	ax = f.add_subplot(111)
	ax.text(0.1,0.9,text,ha='center', va='center', transform=ax.transAxes)

	plt.imshow(image)

	plt.show()