filters.py 文件源码

def __init__(self, chat_id=None, username=None):
            if not (bool(chat_id) ^ bool(username)):
                raise ValueError('One and only one of chat_id or username must be used')
            if chat_id is not None and isinstance(chat_id, int):
                self.chat_ids = [chat_id]
            else:
                self.chat_ids = chat_id
            if username is None:
                self.usernames = username
            elif isinstance(username, string_types):
                self.usernames = [username.replace('@', '')]
            else:
                self.usernames = [chat.replace('@', '') for chat in username]