cat.py 文件源码

def __init__(self, fn,
                 handler=None,
                 file_end_handler=None,
                 exclusive=True,
                 id=None,
                 strip=False):

        self.fn = fn
        self.handler = handler
        self.file_end_handler = file_end_handler
        self.exclusive = exclusive

        if id is None:

            if hasattr(__main__, '__file__'):
                id = __main__.__file__
                id = os.path.basename(id)
                if id == '<stdin>':
                    id = '__stdin__'
            else:
                id = '__instant_command__'

        self.id = id

        self.strip = strip
        self.running = None

        if (self.handler is not None
                and callable(self.handler)):

            self.handler = [self.handler]