o Jh @s6ddlmZddlmZddlmZGdddZdS)) lru_cache)accepts_kwargs)InvalidSubscriberMethodErrorcsPeZdZdZgdZfddZeeddZddZ d d Z d d Z Z S) BaseSubscriberzThe base subscriber class It is recommended that all subscriber implementations subclass and then override the subscription methods (i.e. on_{subsribe_type}() methods). )queuedprogressdonecs|t|S)N)_validate_subscriber_methodssuper__new__)clsargskwargs __class__v/var/www/vedio/testing/chatpythonscript.ninositsolution.com/env/lib/python3.10/site-packages/s3transfer/subscribers.pyr s zBaseSubscriber.__new__cCsN|jD]!}t|d|}t|std|dt|s$td|dqdS)Non_zSubscriber method z must be callable.z) must accept keyword arguments (**kwargs))VALID_SUBSCRIBER_TYPESgetattrcallablerr)r subscriber_typesubscriber_methodrrrr s   z+BaseSubscriber._validate_subscriber_methodscKdS)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. Nrselffuturerrrr on_queued0 zBaseSubscriber.on_queuedcKr)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)rrbytes_transferredrrrr on_progress?szBaseSubscriber.on_progresscKr)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. Nrrrrron_doneQrzBaseSubscriber.on_done) __name__ __module__ __qualname____doc__rr classmethodrr rr r! __classcell__rrrrrs  rN) functoolsrs3transfer.compatrs3transfer.exceptionsrrrrrrs