Python腾讯ocr验证码识别

import base64, hashlib, json, random, string, time
from urllib import parse
import requests
from pprint import pprint

填写app信息

app_id = “”
app_key = “”

def GetAccessToken(formdata, app_key):
dic = sorted(formdata.items(), key=lambda d: d[0])
sign = parse.urlencode(dic) + ‘&app_key=’ + app_key
m = hashlib.md5()
m.update(sign.encode(‘utf8’))
return m.hexdigest().upper()

def RecogniseGeneral(app_id, time_stamp, nonce_str, image, app_key):
host = ‘https://api.ai.qq.com/fcgi-bin/ocr/ocr_generalocr’
formdata = {‘app_id’: app_id, ‘time_stamp’: time_stamp, ‘nonce_str’: nonce_str, ‘image’: image}
app_key = app_key
sign = GetAccessToken(formdata=formdata, app_key=app_key)
formdata[‘sign’] = sign
try:
r = requests.post(url=host, data=formdata, timeout=20)
except requests.exceptions.ReadTimeout:
r = requests.post(url=host, data=formdata, timeout=20)
if (r.status_code == 200):
return r.json()
else:
print(r.text)

def Recognise(img_path):
with open(file=img_path, mode=‘rb’) as file:
base64_data = base64.b64encode(file.read())
nonce = ‘’.join(random.sample(string.digits + string.ascii_letters, 32))
stamp = int(time.time())
recognise = RecogniseGeneral(app_id=app_id, time_stamp=stamp, nonce_str=nonce, image=base64_data,
app_key=app_key)
# for k, v in recognise.items():
# print(k, v)
return recognise

img_path = “./code/code.png”
response = Recognise(img_path)
pprint(response)
code = response[‘data’][‘item_list’][0][‘itemstring’].replace(" ", “”)

print(code)