two version of R2R are hereHEADmaster

1 files changed, 840 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/s3transfer/upload.py b/.venv/lib/python3.12/site-packages/s3transfer/upload.py
new file mode 100644
index 00000000..a3db8f89
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/s3transfer/upload.py
@@ -0,0 +1,840 @@
+# Copyright 2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+# http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+import math
+from io import BytesIO
+
+from s3transfer.compat import readable, seekable
+from s3transfer.constants import FULL_OBJECT_CHECKSUM_ARGS
+from s3transfer.futures import IN_MEMORY_UPLOAD_TAG
+from s3transfer.tasks import (
+    CompleteMultipartUploadTask,
+    CreateMultipartUploadTask,
+    SubmissionTask,
+    Task,
+)
+from s3transfer.utils import (
+    ChunksizeAdjuster,
+    DeferredOpenFile,
+    get_callbacks,
+    get_filtered_dict,
+)
+
+
+class AggregatedProgressCallback:
+    def __init__(self, callbacks, threshold=1024 * 256):
+        """Aggregates 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
+        """
+        self._callbacks = callbacks
+        self._threshold = threshold
+        self._bytes_seen = 0
+
+    def __call__(self, bytes_transferred):
+        self._bytes_seen += bytes_transferred
+        if self._bytes_seen >= self._threshold:
+            self._trigger_callbacks()
+
+    def flush(self):
+        """Flushes out any progress that has not been sent to its callbacks"""
+        if self._bytes_seen > 0:
+            self._trigger_callbacks()
+
+    def _trigger_callbacks(self):
+        for callback in self._callbacks:
+            callback(bytes_transferred=self._bytes_seen)
+        self._bytes_seen = 0
+
+
+class InterruptReader:
+    """Wrapper 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.
+    """
+
+    def __init__(self, fileobj, transfer_coordinator):
+        self._fileobj = fileobj
+        self._transfer_coordinator = transfer_coordinator
+
+    def read(self, amount=None):
+        # If there is an exception, then raise the exception.
+        # We raise an error instead of returning no bytes because for
+        # requests where the content length and md5 was sent, it will
+        # cause md5 mismatches and retries as there was no indication that
+        # the stream being read from encountered any issues.
+        if self._transfer_coordinator.exception:
+            raise self._transfer_coordinator.exception
+        return self._fileobj.read(amount)
+
+    def seek(self, where, whence=0):
+        self._fileobj.seek(where, whence)
+
+    def tell(self):
+        return self._fileobj.tell()
+
+    def close(self):
+        self._fileobj.close()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args, **kwargs):
+        self.close()
+
+
+class UploadInputManager:
+    """Base 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.
+    """
+
+    def __init__(self, osutil, transfer_coordinator, bandwidth_limiter=None):
+        self._osutil = osutil
+        self._transfer_coordinator = transfer_coordinator
+        self._bandwidth_limiter = bandwidth_limiter
+
+    @classmethod
+    def is_compatible(cls, upload_source):
+        """Determines 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.
+        """
+        raise NotImplementedError('must implement _is_compatible()')
+
+    def stores_body_in_memory(self, operation_name):
+        """Whether 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.
+        """
+        raise NotImplementedError('must implement store_body_in_memory()')
+
+    def provide_transfer_size(self, transfer_future):
+        """Provides the transfer size of an upload
+
+        :type transfer_future: s3transfer.futures.TransferFuture
+        :param transfer_future: The future associated with upload request
+        """
+        raise NotImplementedError('must implement provide_transfer_size()')
+
+    def requires_multipart_upload(self, transfer_future, config):
+        """Determines 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.
+        """
+        raise NotImplementedError('must implement requires_multipart_upload()')
+
+    def get_put_object_body(self, transfer_future):
+        """Returns 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.
+        """
+        raise NotImplementedError('must implement get_put_object_body()')
+
+    def yield_upload_part_bodies(self, transfer_future, chunksize):
+        """Yields 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.
+        """
+        raise NotImplementedError('must implement yield_upload_part_bodies()')
+
+    def _wrap_fileobj(self, fileobj):
+        fileobj = InterruptReader(fileobj, self._transfer_coordinator)
+        if self._bandwidth_limiter:
+            fileobj = self._bandwidth_limiter.get_bandwith_limited_stream(
+                fileobj, self._transfer_coordinator, enabled=False
+            )
+        return fileobj
+
+    def _get_progress_callbacks(self, transfer_future):
+        callbacks = get_callbacks(transfer_future, 'progress')
+        # We only want to be wrapping the callbacks if there are callbacks to
+        # invoke because we do not want to be doing any unnecessary work if
+        # there are no callbacks to invoke.
+        if callbacks:
+            return [AggregatedProgressCallback(callbacks)]
+        return []
+
+    def _get_close_callbacks(self, aggregated_progress_callbacks):
+        return [callback.flush for callback in aggregated_progress_callbacks]
+
+
+class UploadFilenameInputManager(UploadInputManager):
+    """Upload utility for filenames"""
+
+    @classmethod
+    def is_compatible(cls, upload_source):
+        return isinstance(upload_source, str)
+
+    def stores_body_in_memory(self, operation_name):
+        return False
+
+    def provide_transfer_size(self, transfer_future):
+        transfer_future.meta.provide_transfer_size(
+            self._osutil.get_file_size(transfer_future.meta.call_args.fileobj)
+        )
+
+    def requires_multipart_upload(self, transfer_future, config):
+        return transfer_future.meta.size >= config.multipart_threshold
+
+    def get_put_object_body(self, transfer_future):
+        # Get a file-like object for the given input
+        fileobj, full_size = self._get_put_object_fileobj_with_full_size(
+            transfer_future
+        )
+
+        # Wrap fileobj with interrupt reader that will quickly cancel
+        # uploads if needed instead of having to wait for the socket
+        # to completely read all of the data.
+        fileobj = self._wrap_fileobj(fileobj)
+
+        callbacks = self._get_progress_callbacks(transfer_future)
+        close_callbacks = self._get_close_callbacks(callbacks)
+        size = transfer_future.meta.size
+        # Return the file-like object wrapped into a ReadFileChunk to get
+        # progress.
+        return self._osutil.open_file_chunk_reader_from_fileobj(
+            fileobj=fileobj,
+            chunk_size=size,
+            full_file_size=full_size,
+            callbacks=callbacks,
+            close_callbacks=close_callbacks,
+        )
+
+    def yield_upload_part_bodies(self, transfer_future, chunksize):
+        full_file_size = transfer_future.meta.size
+        num_parts = self._get_num_parts(transfer_future, chunksize)
+        for part_number in range(1, num_parts + 1):
+            callbacks = self._get_progress_callbacks(transfer_future)
+            close_callbacks = self._get_close_callbacks(callbacks)
+            start_byte = chunksize * (part_number - 1)
+            # Get a file-like object for that part and the size of the full
+            # file size for the associated file-like object for that part.
+            fileobj, full_size = self._get_upload_part_fileobj_with_full_size(
+                transfer_future.meta.call_args.fileobj,
+                start_byte=start_byte,
+                part_size=chunksize,
+                full_file_size=full_file_size,
+            )
+
+            # Wrap fileobj with interrupt reader that will quickly cancel
+            # uploads if needed instead of having to wait for the socket
+            # to completely read all of the data.
+            fileobj = self._wrap_fileobj(fileobj)
+
+            # Wrap the file-like object into a ReadFileChunk to get progress.
+            read_file_chunk = self._osutil.open_file_chunk_reader_from_fileobj(
+                fileobj=fileobj,
+                chunk_size=chunksize,
+                full_file_size=full_size,
+                callbacks=callbacks,
+                close_callbacks=close_callbacks,
+            )
+            yield part_number, read_file_chunk
+
+    def _get_deferred_open_file(self, fileobj, start_byte):
+        fileobj = DeferredOpenFile(
+            fileobj, start_byte, open_function=self._osutil.open
+        )
+        return fileobj
+
+    def _get_put_object_fileobj_with_full_size(self, transfer_future):
+        fileobj = transfer_future.meta.call_args.fileobj
+        size = transfer_future.meta.size
+        return self._get_deferred_open_file(fileobj, 0), size
+
+    def _get_upload_part_fileobj_with_full_size(self, fileobj, **kwargs):
+        start_byte = kwargs['start_byte']
+        full_size = kwargs['full_file_size']
+        return self._get_deferred_open_file(fileobj, start_byte), full_size
+
+    def _get_num_parts(self, transfer_future, part_size):
+        return int(math.ceil(transfer_future.meta.size / float(part_size)))
+
+
+class UploadSeekableInputManager(UploadFilenameInputManager):
+    """Upload utility for an open file object"""
+
+    @classmethod
+    def is_compatible(cls, upload_source):
+        return readable(upload_source) and seekable(upload_source)
+
+    def stores_body_in_memory(self, operation_name):
+        if operation_name == 'put_object':
+            return False
+        else:
+            return True
+
+    def provide_transfer_size(self, transfer_future):
+        fileobj = transfer_future.meta.call_args.fileobj
+        # To determine size, first determine the starting position
+        # Seek to the end and then find the difference in the length
+        # between the end and start positions.
+        start_position = fileobj.tell()
+        fileobj.seek(0, 2)
+        end_position = fileobj.tell()
+        fileobj.seek(start_position)
+        transfer_future.meta.provide_transfer_size(
+            end_position - start_position
+        )
+
+    def _get_upload_part_fileobj_with_full_size(self, fileobj, **kwargs):
+        # Note: It is unfortunate that in order to do a multithreaded
+        # multipart upload we cannot simply copy the filelike object
+        # since there is not really a mechanism in python (i.e. os.dup
+        # points to the same OS filehandle which causes concurrency
+        # issues). So instead we need to read from the fileobj and
+        # chunk the data out to separate file-like objects in memory.
+        data = fileobj.read(kwargs['part_size'])
+        # We return the length of the data instead of the full_file_size
+        # because we partitioned the data into separate BytesIO objects
+        # meaning the BytesIO object has no knowledge of its start position
+        # relative the input source nor access to the rest of the input
+        # source. So we must treat it as its own standalone file.
+        return BytesIO(data), len(data)
+
+    def _get_put_object_fileobj_with_full_size(self, transfer_future):
+        fileobj = transfer_future.meta.call_args.fileobj
+        # The current position needs to be taken into account when retrieving
+        # the full size of the file.
+        size = fileobj.tell() + transfer_future.meta.size
+        return fileobj, size
+
+
+class UploadNonSeekableInputManager(UploadInputManager):
+    """Upload utility for a file-like object that cannot seek."""
+
+    def __init__(self, osutil, transfer_coordinator, bandwidth_limiter=None):
+        super().__init__(osutil, transfer_coordinator, bandwidth_limiter)
+        self._initial_data = b''
+
+    @classmethod
+    def is_compatible(cls, upload_source):
+        return readable(upload_source)
+
+    def stores_body_in_memory(self, operation_name):
+        return True
+
+    def provide_transfer_size(self, transfer_future):
+        # No-op because there is no way to do this short of reading the entire
+        # body into memory.
+        return
+
+    def requires_multipart_upload(self, transfer_future, config):
+        # If the user has set the size, we can use that.
+        if transfer_future.meta.size is not None:
+            return transfer_future.meta.size >= config.multipart_threshold
+
+        # This is tricky to determine in this case because we can't know how
+        # large the input is. So to figure it out, we read data into memory
+        # up until the threshold and compare how much data was actually read
+        # against the threshold.
+        fileobj = transfer_future.meta.call_args.fileobj
+        threshold = config.multipart_threshold
+        self._initial_data = self._read(fileobj, threshold, False)
+        if len(self._initial_data) < threshold:
+            return False
+        else:
+            return True
+
+    def get_put_object_body(self, transfer_future):
+        callbacks = self._get_progress_callbacks(transfer_future)
+        close_callbacks = self._get_close_callbacks(callbacks)
+        fileobj = transfer_future.meta.call_args.fileobj
+
+        body = self._wrap_data(
+            self._initial_data + fileobj.read(), callbacks, close_callbacks
+        )
+
+        # Zero out the stored data so we don't have additional copies
+        # hanging around in memory.
+        self._initial_data = None
+        return body
+
+    def yield_upload_part_bodies(self, transfer_future, chunksize):
+        file_object = transfer_future.meta.call_args.fileobj
+        part_number = 0
+
+        # Continue reading parts from the file-like object until it is empty.
+        while True:
+            callbacks = self._get_progress_callbacks(transfer_future)
+            close_callbacks = self._get_close_callbacks(callbacks)
+            part_number += 1
+            part_content = self._read(file_object, chunksize)
+            if not part_content:
+                break
+            part_object = self._wrap_data(
+                part_content, callbacks, close_callbacks
+            )
+
+            # Zero out part_content to avoid hanging on to additional data.
+            part_content = None
+            yield part_number, part_object
+
+    def _read(self, fileobj, amount, truncate=True):
+        """
+        Reads a specific amount of data from a stream and returns it. If there
+        is any data in initial_data, that will be popped out first.
+
+        :type fileobj: A file-like object that implements read
+        :param fileobj: The stream to read from.
+
+        :type amount: int
+        :param amount: The number of bytes to read from the stream.
+
+        :type truncate: bool
+        :param truncate: Whether or not to truncate initial_data after
+            reading from it.
+
+        :return: Generator which generates part bodies from the initial data.
+        """
+        # If the the initial data is empty, we simply read from the fileobj
+        if len(self._initial_data) == 0:
+            return fileobj.read(amount)
+
+        # If the requested number of bytes is less than the amount of
+        # initial data, pull entirely from initial data.
+        if amount <= len(self._initial_data):
+            data = self._initial_data[:amount]
+            # Truncate initial data so we don't hang onto the data longer
+            # than we need.
+            if truncate:
+                self._initial_data = self._initial_data[amount:]
+            return data
+
+        # At this point there is some initial data left, but not enough to
+        # satisfy the number of bytes requested. Pull out the remaining
+        # initial data and read the rest from the fileobj.
+        amount_to_read = amount - len(self._initial_data)
+        data = self._initial_data + fileobj.read(amount_to_read)
+
+        # Zero out initial data so we don't hang onto the data any more.
+        if truncate:
+            self._initial_data = b''
+        return data
+
+    def _wrap_data(self, data, callbacks, close_callbacks):
+        """
+        Wraps data with the interrupt reader and the file chunk reader.
+
+        :type data: bytes
+        :param data: The data to wrap.
+
+        :type callbacks: list
+        :param callbacks: The callbacks associated with the transfer future.
+
+        :type close_callbacks: list
+        :param close_callbacks: The callbacks to be called when closing the
+            wrapper for the data.
+
+        :return: Fully wrapped data.
+        """
+        fileobj = self._wrap_fileobj(BytesIO(data))
+        return self._osutil.open_file_chunk_reader_from_fileobj(
+            fileobj=fileobj,
+            chunk_size=len(data),
+            full_file_size=len(data),
+            callbacks=callbacks,
+            close_callbacks=close_callbacks,
+        )
+
+
+class UploadSubmissionTask(SubmissionTask):
+    """Task for submitting tasks to execute an upload"""
+
+    PUT_OBJECT_BLOCKLIST = ["ChecksumType", "MpuObjectSize"]
+
+    CREATE_MULTIPART_BLOCKLIST = FULL_OBJECT_CHECKSUM_ARGS + ["MpuObjectSize"]
+
+    UPLOAD_PART_ARGS = [
+        'ChecksumAlgorithm',
+        'SSECustomerKey',
+        'SSECustomerAlgorithm',
+        'SSECustomerKeyMD5',
+        'RequestPayer',
+        'ExpectedBucketOwner',
+    ]
+
+    COMPLETE_MULTIPART_ARGS = [
+        'SSECustomerKey',
+        'SSECustomerAlgorithm',
+        'SSECustomerKeyMD5',
+        'RequestPayer',
+        'ExpectedBucketOwner',
+        'ChecksumType',
+        'MpuObjectSize',
+    ] + FULL_OBJECT_CHECKSUM_ARGS
+
+    def _get_upload_input_manager_cls(self, transfer_future):
+        """Retrieves a class for managing input for an upload based on file type
+
+        :type transfer_future: s3transfer.futures.TransferFuture
+        :param transfer_future: The transfer future for the request
+
+        :rtype: class of UploadInputManager
+        :returns: The appropriate class to use for managing a specific type of
+            input for uploads.
+        """
+        upload_manager_resolver_chain = [
+            UploadFilenameInputManager,
+            UploadSeekableInputManager,
+            UploadNonSeekableInputManager,
+        ]
+
+        fileobj = transfer_future.meta.call_args.fileobj
+        for upload_manager_cls in upload_manager_resolver_chain:
+            if upload_manager_cls.is_compatible(fileobj):
+                return upload_manager_cls
+        raise RuntimeError(
+            f'Input {fileobj} of type: {type(fileobj)} is not supported.'
+        )
+
+    def _submit(
+        self,
+        client,
+        config,
+        osutil,
+        request_executor,
+        transfer_future,
+        bandwidth_limiter=None,
+    ):
+        """
+        :param client: The client associated with the transfer manager
+
+        :type config: s3transfer.manager.TransferConfig
+        :param config: The transfer config associated with the transfer
+            manager
+
+        :type osutil: s3transfer.utils.OSUtil
+        :param osutil: The os utility associated to the transfer manager
+
+        :type request_executor: s3transfer.futures.BoundedExecutor
+        :param request_executor: The request executor associated with the
+            transfer manager
+
+        :type transfer_future: s3transfer.futures.TransferFuture
+        :param transfer_future: The transfer future associated with the
+            transfer request that tasks are being submitted for
+        """
+        upload_input_manager = self._get_upload_input_manager_cls(
+            transfer_future
+        )(osutil, self._transfer_coordinator, bandwidth_limiter)
+
+        # Determine the size if it was not provided
+        if transfer_future.meta.size is None:
+            upload_input_manager.provide_transfer_size(transfer_future)
+
+        # Do a multipart upload if needed, otherwise do a regular put object.
+        if not upload_input_manager.requires_multipart_upload(
+            transfer_future, config
+        ):
+            self._submit_upload_request(
+                client,
+                config,
+                osutil,
+                request_executor,
+                transfer_future,
+                upload_input_manager,
+            )
+        else:
+            self._submit_multipart_request(
+                client,
+                config,
+                osutil,
+                request_executor,
+                transfer_future,
+                upload_input_manager,
+            )
+
+    def _submit_upload_request(
+        self,
+        client,
+        config,
+        osutil,
+        request_executor,
+        transfer_future,
+        upload_input_manager,
+    ):
+        call_args = transfer_future.meta.call_args
+
+        put_object_extra_args = self._extra_put_object_args(
+            call_args.extra_args
+        )
+
+        # Get any tags that need to be associated to the put object task
+        put_object_tag = self._get_upload_task_tag(
+            upload_input_manager, 'put_object'
+        )
+
+        # Submit the request of a single upload.
+        self._transfer_coordinator.submit(
+            request_executor,
+            PutObjectTask(
+                transfer_coordinator=self._transfer_coordinator,
+                main_kwargs={
+                    'client': client,
+                    'fileobj': upload_input_manager.get_put_object_body(
+                        transfer_future
+                    ),
+                    'bucket': call_args.bucket,
+                    'key': call_args.key,
+                    'extra_args': put_object_extra_args,
+                },
+                is_final=True,
+            ),
+            tag=put_object_tag,
+        )
+
+    def _submit_multipart_request(
+        self,
+        client,
+        config,
+        osutil,
+        request_executor,
+        transfer_future,
+        upload_input_manager,
+    ):
+        call_args = transfer_future.meta.call_args
+
+        # When a user provided checksum is passed, set "ChecksumType" to "FULL_OBJECT"
+        # and "ChecksumAlgorithm" to the related algorithm.
+        for checksum in FULL_OBJECT_CHECKSUM_ARGS:
+            if checksum in call_args.extra_args:
+                call_args.extra_args["ChecksumType"] = "FULL_OBJECT"
+                call_args.extra_args["ChecksumAlgorithm"] = checksum.replace(
+                    "Checksum", ""
+                )
+
+        create_multipart_extra_args = self._extra_create_multipart_args(
+            call_args.extra_args
+        )
+
+        # Submit the request to create a multipart upload.
+        create_multipart_future = self._transfer_coordinator.submit(
+            request_executor,
+            CreateMultipartUploadTask(
+                transfer_coordinator=self._transfer_coordinator,
+                main_kwargs={
+                    'client': client,
+                    'bucket': call_args.bucket,
+                    'key': call_args.key,
+                    'extra_args': create_multipart_extra_args,
+                },
+            ),
+        )
+
+        # Submit requests to upload the parts of the file.
+        part_futures = []
+        extra_part_args = self._extra_upload_part_args(call_args.extra_args)
+
+        # Get any tags that need to be associated to the submitted task
+        # for upload the data
+        upload_part_tag = self._get_upload_task_tag(
+            upload_input_manager, 'upload_part'
+        )
+
+        size = transfer_future.meta.size
+        adjuster = ChunksizeAdjuster()
+        chunksize = adjuster.adjust_chunksize(config.multipart_chunksize, size)
+        part_iterator = upload_input_manager.yield_upload_part_bodies(
+            transfer_future, chunksize
+        )
+
+        for part_number, fileobj in part_iterator:
+            part_futures.append(
+                self._transfer_coordinator.submit(
+                    request_executor,
+                    UploadPartTask(
+                        transfer_coordinator=self._transfer_coordinator,
+                        main_kwargs={
+                            'client': client,
+                            'fileobj': fileobj,
+                            'bucket': call_args.bucket,
+                            'key': call_args.key,
+                            'part_number': part_number,
+                            'extra_args': extra_part_args,
+                        },
+                        pending_main_kwargs={
+                            'upload_id': create_multipart_future
+                        },
+                    ),
+                    tag=upload_part_tag,
+                )
+            )
+
+        complete_multipart_extra_args = self._extra_complete_multipart_args(
+            call_args.extra_args
+        )
+        # Submit the request to complete the multipart upload.
+        self._transfer_coordinator.submit(
+            request_executor,
+            CompleteMultipartUploadTask(
+                transfer_coordinator=self._transfer_coordinator,
+                main_kwargs={
+                    'client': client,
+                    'bucket': call_args.bucket,
+                    'key': call_args.key,
+                    'extra_args': complete_multipart_extra_args,
+                },
+                pending_main_kwargs={
+                    'upload_id': create_multipart_future,
+                    'parts': part_futures,
+                },
+                is_final=True,
+            ),
+        )
+
+    def _extra_upload_part_args(self, extra_args):
+        # Only the args in UPLOAD_PART_ARGS actually need to be passed
+        # onto the upload_part calls.
+        return get_filtered_dict(extra_args, self.UPLOAD_PART_ARGS)
+
+    def _extra_complete_multipart_args(self, extra_args):
+        return get_filtered_dict(extra_args, self.COMPLETE_MULTIPART_ARGS)
+
+    def _extra_create_multipart_args(self, extra_args):
+        return get_filtered_dict(
+            extra_args, blocklisted_keys=self.CREATE_MULTIPART_BLOCKLIST
+        )
+
+    def _extra_put_object_args(self, extra_args):
+        return get_filtered_dict(
+            extra_args, blocklisted_keys=self.PUT_OBJECT_BLOCKLIST
+        )
+
+    def _get_upload_task_tag(self, upload_input_manager, operation_name):
+        tag = None
+        if upload_input_manager.stores_body_in_memory(operation_name):
+            tag = IN_MEMORY_UPLOAD_TAG
+        return tag
+
+
+class PutObjectTask(Task):
+    """Task to do a nonmultipart upload"""
+
+    def _main(self, client, fileobj, bucket, key, extra_args):
+        """
+        :param client: The client to use when calling PutObject
+        :param fileobj: The file to upload.
+        :param bucket: The name of the bucket to upload to
+        :param key: The name of the key to upload to
+        :param extra_args: A dictionary of any extra arguments that may be
+            used in the upload.
+        """
+        with fileobj as body:
+            client.put_object(Bucket=bucket, Key=key, Body=body, **extra_args)
+
+
+class UploadPartTask(Task):
+    """Task to upload a part in a multipart upload"""
+
+    def _main(
+        self, client, fileobj, bucket, key, upload_id, part_number, extra_args
+    ):
+        """
+        :param client: The client to use when calling PutObject
+        :param fileobj: The file to upload.
+        :param bucket: The name of the bucket to upload to
+        :param key: The name of the key to upload to
+        :param upload_id: The id of the upload
+        :param part_number: The number representing the part of the multipart
+            upload
+        :param extra_args: A dictionary of any extra arguments that may be
+            used in the upload.
+
+        :rtype: dict
+        :returns: A dictionary representing a part::
+
+            {'Etag': etag_value, 'PartNumber': part_number}
+
+            This value can be appended to a list to be used to complete
+            the multipart upload.
+        """
+        with fileobj as body:
+            response = client.upload_part(
+                Bucket=bucket,
+                Key=key,
+                UploadId=upload_id,
+                PartNumber=part_number,
+                Body=body,
+                **extra_args,
+            )
+        etag = response['ETag']
+        part_metadata = {'ETag': etag, 'PartNumber': part_number}
+        if 'ChecksumAlgorithm' in extra_args:
+            algorithm_name = extra_args['ChecksumAlgorithm'].upper()
+            checksum_member = f'Checksum{algorithm_name}'
+            if checksum_member in response:
+                part_metadata[checksum_member] = response[checksum_member]
+        return part_metadata