U O8cv@sddlZddlmZddlmZmZddlmZddlm Z m Z m Z m Z ddl mZmZmZmZGdddZGd d d ZGd d d ZGd ddeZGdddeZGdddeZGddde ZGddde ZGddde ZdS)N)BytesIOreadableseekable)IN_MEMORY_UPLOAD_TAG)CompleteMultipartUploadTaskCreateMultipartUploadTaskSubmissionTaskTask)ChunksizeAdjusterDeferredOpenFile get_callbacksget_filtered_dictc@s.eZdZd ddZddZddZdd Zd S) AggregatedProgressCallbackcCs||_||_d|_dS)aAggregates progress updates for every provided progress callback :type callbacks: A list of functions that accepts bytes_transferred as a single argument :param callbacks: The callbacks to invoke when threshold is reached :type threshold: int :param threshold: The progress threshold in which to take the aggregated progress and invoke the progress callback with that aggregated progress total rN) _callbacks _threshold _bytes_seen)self callbacks thresholdr5/tmp/pip-unpacked-wheel-6hpttf6a/s3transfer/upload.py__init__!s z#AggregatedProgressCallback.__init__cCs&|j|7_|j|jkr"|dSN)rr_trigger_callbacks)rbytes_transferredrrr__call__1s z#AggregatedProgressCallback.__call__cCs|jdkr|dS)z@Flushes out any progress that has not been sent to its callbacksrN)rrrrrrflush6s z AggregatedProgressCallback.flushcCs"|jD]}||jdqd|_dS)N)rr)rr)rcallbackrrrr;s z-AggregatedProgressCallback._trigger_callbacksN)r)__name__ __module__ __qualname__rrrrrrrrr s rc@sLeZdZdZddZdddZddd Zd d Zd d ZddZ ddZ dS)InterruptReaderaWrapper that can interrupt reading using an error It uses a transfer coordinator to propagate an error if it notices that a read is being made while the file is being read from. :type fileobj: file-like obj :param fileobj: The file-like object to read from :type transfer_coordinator: s3transfer.futures.TransferCoordinator :param transfer_coordinator: The transfer coordinator to use if the reader needs to be interrupted. cCs||_||_dSr)_fileobj_transfer_coordinator)rfileobjtransfer_coordinatorrrrrOszInterruptReader.__init__NcCs|jjr|jj|j|Sr)r& exceptionr%read)ramountrrrr*SszInterruptReader.readrcCs|j||dSr)r%seek)rwherewhencerrrr,]szInterruptReader.seekcCs |jSr)r%tellrrrrr/`szInterruptReader.tellcCs|jdSr)r%closerrrrr0cszInterruptReader.closecCs|Srrrrrr __enter__fszInterruptReader.__enter__cOs |dSr)r0)rargskwargsrrr__exit__iszInterruptReader.__exit__)N)r) r!r"r#__doc__rr*r,r/r0r1r4rrrrr$As  r$c@sfeZdZdZdddZeddZddZd d Zd d Z d dZ ddZ ddZ ddZ ddZdS)UploadInputManageraJBase manager class for handling various types of files for uploads This class is typically used for the UploadSubmissionTask class to help determine the following: * How to determine the size of the file * How to determine if a multipart upload is required * How to retrieve the body for a PutObject * How to retrieve the bodies for a set of UploadParts The answers/implementations differ for the various types of file inputs that may be accepted. All implementations must subclass and override public methods from this class. NcCs||_||_||_dSr)_osutilr&_bandwidth_limiterrosutilr(bandwidth_limiterrrrr}szUploadInputManager.__init__cCs tddS)aDetermines if the source for the upload is compatible with manager :param upload_source: The source for which the upload will pull data from. :returns: True if the manager can handle the type of source specified otherwise returns False. zmust implement _is_compatible()NNotImplementedErrorclsZ upload_sourcerrr is_compatibles z UploadInputManager.is_compatiblecCs tddS)aWhether the body it provides are stored in-memory :type operation_name: str :param operation_name: The name of the client operation that the body is being used for. Valid operation_names are ``put_object`` and ``upload_part``. :rtype: boolean :returns: True if the body returned by the manager will be stored in memory. False if the manager will not directly store the body in memory. z%must implement store_body_in_memory()Nr<roperation_namerrrstores_body_in_memorys z(UploadInputManager.stores_body_in_memorycCs tddS)zProvides the transfer size of an upload :type transfer_future: s3transfer.futures.TransferFuture :param transfer_future: The future associated with upload request z&must implement provide_transfer_size()Nr<rtransfer_futurerrrprovide_transfer_sizesz(UploadInputManager.provide_transfer_sizecCs tddS)aDetermines where a multipart upload is required :type transfer_future: s3transfer.futures.TransferFuture :param transfer_future: The future associated with upload request :type config: s3transfer.manager.TransferConfig :param config: The config associated to the transfer manager :rtype: boolean :returns: True, if the upload should be multipart based on configuration and size. False, otherwise. z*must implement requires_multipart_upload()Nr<rrEconfigrrrrequires_multipart_uploads z,UploadInputManager.requires_multipart_uploadcCs tddS)aReturns the body to use for PutObject :type transfer_future: s3transfer.futures.TransferFuture :param transfer_future: The future associated with upload request :type config: s3transfer.manager.TransferConfig :param config: The config associated to the transfer manager :rtype: s3transfer.utils.ReadFileChunk :returns: A ReadFileChunk including all progress callbacks associated with the transfer future. z$must implement get_put_object_body()Nr<rDrrrget_put_object_bodys z&UploadInputManager.get_put_object_bodycCs tddS)aYields the part number and body to use for each UploadPart :type transfer_future: s3transfer.futures.TransferFuture :param transfer_future: The future associated with upload request :type chunksize: int :param chunksize: The chunksize to use for this upload. :rtype: int, s3transfer.utils.ReadFileChunk :returns: Yields the part number and the ReadFileChunk including all progress callbacks associated with the transfer future for that specific yielded part. z)must implement yield_upload_part_bodies()Nr<)rrE chunksizerrryield_upload_part_bodiessz+UploadInputManager.yield_upload_part_bodiescCs*t||j}|jr&|jj||jdd}|S)NF)Zenabled)r$r&r8Zget_bandwith_limited_stream)rr'rrr _wrap_fileobjs z UploadInputManager._wrap_fileobjcCst|d}|rt|gSgS)Nprogress)r r)rrErrrr_get_progress_callbackss  z*UploadInputManager._get_progress_callbackscCsdd|DS)NcSsg|] }|jqSr)r).0r rrr sz;UploadInputManager._get_close_callbacks..r)rZaggregated_progress_callbacksrrr_get_close_callbackssz'UploadInputManager._get_close_callbacks)N)r!r"r#r5r classmethodr@rCrFrIrJrLrMrOrRrrrrr6ms   r6c@sdeZdZdZeddZddZddZdd Zd d Z d d Z ddZ ddZ ddZ ddZdS)UploadFilenameInputManagerzUpload utility for filenamescCs t|tSr) isinstancestrr>rrrr@sz(UploadFilenameInputManager.is_compatiblecCsdS)NFrrArrrrCsz0UploadFilenameInputManager.stores_body_in_memorycCs|j|j|jjjdSr)metarFr7Z get_file_size call_argsr'rDrrrrFsz0UploadFilenameInputManager.provide_transfer_sizecCs|jj|jkSr)rWsizemultipart_thresholdrGrrrrIsz4UploadFilenameInputManager.requires_multipart_uploadcCsJ||\}}||}||}||}|jj}|jj|||||dS)Nr' chunk_sizefull_file_sizerclose_callbacks)&_get_put_object_fileobj_with_full_sizerMrOrRrWrYr7#open_file_chunk_reader_from_fileobj)rrEr' full_sizerr^rYrrrrJs   z.UploadFilenameInputManager.get_put_object_bodyc cs|jj}|||}td|dD]j}||}||}||d}|j|jjj|||d\} } | | } |j j | || ||d} || fVq"dS)N) start_byte part_sizer]r[) rWrY_get_num_partsrangerOrR'_get_upload_part_fileobj_with_full_sizerXr'rMr7r`) rrErKr]Z num_parts part_numberrr^rcr'raZread_file_chunkrrrrLs*     z3UploadFilenameInputManager.yield_upload_part_bodiescCst|||jjd}|S)N)Z open_function)r r7open)rr'rcrrr_get_deferred_open_file1s z2UploadFilenameInputManager._get_deferred_open_filecCs"|jjj}|jj}||d|fS)Nr)rWrXr'rYrjrrEr'rYrrrr_7s zAUploadFilenameInputManager._get_put_object_fileobj_with_full_sizecKs |d}|d}||||fS)Nrcr])rj)rr'r3rcrarrrrg<szBUploadFilenameInputManager._get_upload_part_fileobj_with_full_sizecCstt|jjt|Sr)intmathceilrWrYfloat)rrErdrrrreAsz)UploadFilenameInputManager._get_num_partsN)r!r"r#r5rSr@rCrFrIrJrLrjr_rgrerrrrrTs rTc@s<eZdZdZeddZddZddZdd Zd d Z d S) UploadSeekableInputManagerz&Upload utility for an open file objectcCst|ot|Srrr>rrrr@Hsz(UploadSeekableInputManager.is_compatiblecCs|dkr dSdSdS)N put_objectFTrrArrrrCLsz0UploadSeekableInputManager.stores_body_in_memorycCsD|jjj}|}|dd|}|||j||dS)Nr)rWrXr'r/r,rF)rrEr'Zstart_positionZ end_positionrrrrFRs   z0UploadSeekableInputManager.provide_transfer_sizecKs||d}t|t|fS)Nrd)r*rlen)rr'r3datarrrrg_szBUploadSeekableInputManager._get_upload_part_fileobj_with_full_sizecCs"|jjj}||jj}||fSr)rWrXr'r/rYrkrrrr_ns zAUploadSeekableInputManager._get_put_object_fileobj_with_full_sizeN) r!r"r#r5rSr@rCrFrgr_rrrrrpEs  rpcsheZdZdZdfdd ZeddZddZd d Zd d Z d dZ ddZ dddZ ddZ ZS)UploadNonSeekableInputManagerz7Upload utility for a file-like object that cannot seek.Ncst|||d|_dS)N)superr _initial_datar9 __class__rrrysz&UploadNonSeekableInputManager.__init__cCst|Sr)rr>rrrr@}sz+UploadNonSeekableInputManager.is_compatiblecCsdS)NTrrArrrrCsz3UploadNonSeekableInputManager.stores_body_in_memorycCsdSrrrDrrrrFsz3UploadNonSeekableInputManager.provide_transfer_sizecCsT|jjdk r|jj|jkS|jjj}|j}|||d|_t|j|krLdSdSdS)NFT)rWrYrZrXr'_readrxrs)rrErHr'rrrrrIs  z7UploadNonSeekableInputManager.requires_multipart_uploadcCs@||}||}|jjj}||j|||}d|_|Sr)rOrRrWrXr' _wrap_datarxr*)rrErr^r'bodyrrrrJs    z1UploadNonSeekableInputManager.get_put_object_bodyc cs^|jjj}d}||}||}|d7}|||}|s s   !,{]1 j