models.py 文件源码

def change_email(self, token):
        s = Serializer(current_app.config['SECRET_KEY']) 
        try:
            data = s.loads(token)
        except:
            return False
        if data.get('change_email') != self.id:
            return False
        new_email = data.get('new_email')
        if new_email is None:
            return False
        if self.query.filter_by(email = new_email).first() is not None:
            return False
        self.email = new_email
        self.avatar_hash = hashlib.md5(self.email.encode('utf-8')).hexdigest()
        db.session.add(self)
        return True