=xj DddlmZddlmZddlmZGddZdS)) lru_cache)accepts_kwargs)InvalidSubscriberMethodErrorcbeZdZdZgdZfdZeedZdZ dZ dZ xZ S)BaseSubscriberzThe base subscriber class It is recommended that all subscriber implementations subclass and then override the subscription methods (i.e. on_{subscribe_type}() methods). )queuedprogressdonecn|t|S)N)_validate_subscriber_methodssuper__new__)clsargskwargs __class__s GC:\Projects\Historical\venv\Lib\site-packages\s3transfer/subscribers.pyrzBaseSubscriber.__new__s+ ((***wws###c|jD]Y}t|d|z}t|std|dt |std|dZdS)Non_zSubscriber method z must be callable.z) must accept keyword arguments (**kwargs))VALID_SUBSCRIBER_TYPESgetattrcallablerr)rsubscriber_typesubscriber_methods rr z+BaseSubscriber._validate_subscriber_methods s #9  O 'U_-D E E -.. 2N):NNN""344 2+):+++   rc dS)aCallback to be invoked when transfer request gets queued This callback can be useful for: * Keeping track of how many transfers have been requested * Providing the expected transfer size through future.meta.provide_transfer_size() so a HeadObject would not need to be made for copies and downloads. :type future: s3transfer.futures.TransferFuture :param future: The TransferFuture representing the requested transfer. Nselffuturers r on_queuedzBaseSubscriber.on_queued0  rc dS)ajCallback to be invoked when progress is made on transfer This callback can be useful for: * Recording and displaying progress :type future: s3transfer.futures.TransferFuture :param future: The TransferFuture representing the requested transfer. :type bytes_transferred: int :param bytes_transferred: The number of bytes transferred for that invocation of the callback. Note that a negative amount can be provided, which usually indicates that an in-progress request needed to be retried and thus progress was rewound. Nr)rr bytes_transferredrs r on_progresszBaseSubscriber.on_progress?s rc dS)aCallback to be invoked once a transfer is done This callback can be useful for: * Recording and displaying whether the transfer succeeded or failed using future.result() * Running some task after the transfer completed like changing the last modified time of a downloaded file. :type future: s3transfer.futures.TransferFuture :param future: The TransferFuture representing the requested transfer. Nrrs ron_donezBaseSubscriber.on_doneQr"r) __name__ __module__ __qualname____doc__rr classmethodrr r!r%r' __classcell__)rs@rrrs <;;$$$$$  Y[        $        rrN) functoolsrs3transfer.compatrs3transfer.exceptionsrrrrrr1sy ,,,,,,>>>>>>K K K K K K K K K K r