imaplib2.py 文件源码

def __init__(self, parent, name=None, callback=None, cb_arg=None, cb_self=False):
        self.parent = parent
        self.name = name
        self.callback = callback               # Function called to process result
        if not cb_self:
            self.callback_arg = cb_arg         # Optional arg passed to "callback"
        else:
            self.callback_arg = (self, cb_arg) # Self reference required in callback arg

        self.tag = '%s%s' % (parent.tagpre, parent.tagnum)
        parent.tagnum += 1

        self.ready = threading.Event()
        self.response = None
        self.aborted = None
        self.data = None