validators.py 文件源码

def is_valid(self):
        if len(self.form['username']) < 4:
            return self.error('username must be at least 4 characters')
        if self.form['username'] == 'anonymous':
            return self.error('username cannot be anonymous')
        if len(self.form['password']) < 8:
            return self.error('password must be at least 8 characters')
        if User.select().where(User.username == self.form['username']).count():
            return self.error('username is already in use')
        if self.form['email']:
            if not validate_email(self.form['email']):
                return self.error('email is not valid')
            if User.select().where(User.email == self.form['email']).count():
                return self.error('email is already in use')
        return super(RegistrationValidator, self).is_valid()