import pyzbar.pyzbar as pyzbar
from PIL import Image,ImageEnhance
import requests
def download_img(imgname,url):
    """下载网页图片"""
    r = requests.get(url,stream=True)
    with open(imgname, 'wb') as img:
        img.write(r.content)
def check_qr(imgname,url):
    """微信二维码检测"""
    download_img(imgname,url)
    img = Image.open(imgname)
    texts = pyzbar.decode(img)
    if texts:
        print("这是一个微信二维码：{0}".format(url))
    else:
        print("为检测出二维码：{0}".format(url))
check_qr("img.png","https://mp.weixin.qq.com/rr?timestamp=1607005073&src=11&ver=1&signature=pVCvEJjkyVBvdAit1jsWGKIdhVHeBInc4YYtOLLKejwrnM6TBFp3p1QOIk3glnww4ab2SXRGZQe4vCsdrTMZONg-4gpbOpOYmy7fbKVYaMo=")