from PIL import Image

import requests

import re

splitter = re.compile(r'\d{30}')  # 分割二值化后的图片

# distance('11110000', '00000000')

# 比较两个字符串有多少位不同, 返回不同的位数

def distance(string1, string2):

d_str1 = len(string1)

d_str2 = len(string2)

d_arr = [[0] * d_str2 for i in range(d_str1)]

for i in range(d_str1):

for j in range(d_str2):

if string1[i] == string2[j]:

if i == 0 and j == 0:

d_arr[i][j] = 0

elif i != 0 and j == 0:

d_arr[i][j] = d_arr[i - 1][j]

elif i == 0 and j != 0:

d_arr[i][j] = d_arr[i][j - 1]

else:

d_arr[i][j] = d_arr[i - 1][j - 1]

else:

if i == 0 and j == 0:

d_arr[i][j] = 1

elif i != 0 and j == 0:

d_arr[i][j] = d_arr[i - 1][j] + 1

elif i == 0 and j != 0:

d_arr[i][j] = d_arr[i][j - 1] + 1

else:

d_arr[i][j] = min(d_arr[i][j - 1], d_arr[i - 1][j], d_arr[i - 1][j - 1]) + 1

current = max(d_arr[d_str1 - 1][d_str2 - 1], abs(d_str2 - d_str1))

return current

# 去除字符串里面连续的1

def no_one(string):

n_arr = splitter.findall(string)

n_arr = filter(lambda each_str: each_str != '111111111111111111111111111111', n_arr)

n_result = ''

for n_each in n_arr:

n_result += str(n_each)

return n_result

opener = requests.session()

res = opener.get('http://60.211.254.236:8402/Ajax/ValidCodeImg.ashx').content

with open('verify.gif', 'wb') as v:

v.write(res)

img = Image.open('verify.gif')

img = img.convert('L')

size = img.size

# img = img.point(table, '1')

img_arr = img.load()

# img.save('after.gif')

inc = 0

str1 = ''

str2 = ''

str3 = ''

cur_str = ''

for x in range(size[0]):

for y in range(size[1]):

if img_arr[x, y] > 210:

cur_str += '1'

else:

cur_str += '0'

# print(img_arr[i, j], end='')

# cur_str += str(img_arr[x, y])

inc += 1

if inc == 18:

str1 = cur_str

cur_str = ''

elif inc == 36:

str2 = cur_str

cur_str = ''

elif inc == 54:

str3 = cur_str

cur_str = ''

str1 = str1[:-60]

str2 = str2[:-60]

str3 = str3[:-60]

str1 = no_one(str1)

str2 = no_one(str2)

str3 = no_one(str3)

str1 = str1.strip('1')

str2 = str2.strip('1')

str3 = str3.strip('1')

with open('./dict/plus') as plus:

with open('./dict/minus') as minus:

p = plus.read()

m = minus.read()

is_add = 1 if distance(p, str2) < distance(m, str2) else 0

arr1 = []

arr3 = []

for each in range(1, 10):

with open('./dict/{}'.format(each)) as f:

ff = f.read()

arr1.append([each, distance(ff, str1)])

arr3.append([each, distance(ff, str3)])

arr1 = sorted(arr1, key=lambda item: item[1])

arr3 = sorted(arr3, key=lambda item: item[1])

result = arr1[0][0] + arr3[0][0] if is_add else arr1[0][0] - arr3[0][0]

print(result)