handlers.py 文件源码

def post(self):
        name = self.request.arguments.get('name')[0]
        post_type = self.request.arguments.get('type')[0]
        if int(post_type) == LINK_TYPE:
            data = self.request.arguments.get('info')[0]
            url = add_http(data.decode("utf-8"))
        else:
            b64img = self.request.arguments.get('image')[0]
            img = BytesIO(base64.b64decode(b64img))
            scanner = zbar.ImageScanner()
            scanner.parse_config('enable')
            pil = Image.open(img).convert('L')
            width, height = pil.size
            raw = pil.tobytes()
            image = zbar.Image(width, height, 'Y800', raw)
            scanner.scan(image)
            for symbol in image:
                url = add_http(symbol.data)

        cur_user = self.get_current_user()
        if cur_user:
            users = self.db[USER_COLLECTION]
            users.update({'phone': cur_user['phone']}, {'$addToSet': {'qrcode': url}})
        stat_col = self.db[STATISTIC_COLLECTION]
        if not stat_col.find_one({'url': url}):
            stat_col.insert({
                'name': name,
                'url': url,
                'visit': []
            })
        else:
            stat_col.update({'url': url}, {"$set": {'name': name}})
        img = qrcode.make(gen_new_url(url))
        o = BytesIO()
        img.save(o, "JPEG")
        s = base64.b64encode(o.getvalue())

        img = qrcode.make(gen_statistic_url(url))
        o = BytesIO()
        img.save(o, "JPEG")
        s2 = base64.b64encode(o.getvalue())

        self.write({
            "qrcode": s.decode('utf-8'),
            "statistic": s2.decode('utf-8')
        })