Python transfer.create_transfer_manager方法代碼示例

# 需要導入模塊: from boto3.s3 import transfer [as 別名]
# 或者: from boto3.s3.transfer import create_transfer_manager [as 別名]
def main():

    if os.environ.get('DDTRACE_EXTRA_PATCH') == 'true':
        # The ddtrace/Django integration only patches Django internals, it
        # doesn't patch other libraries.
        # Manually patching them very early here seems like a less intrusive
        # approach than running the whole app under `ddtrace-run`
        import ddtrace
        ddtrace.patch(requests=True, botocore=True, redis=True)

    # Dirty Monkey Patch to prevent boto3 from creating many threadpools
    try:
        from boto3.s3 import transfer
    except ImportError:
        pass
    else:
        def create_transfer_manager(*arg, **kwargs):
            return transfer.TransferManager(
                *arg, **kwargs, executor_cls=transfer.NonThreadedExecutor
            )
        transfer.create_transfer_manager = create_transfer_manager

    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "feedsubs.settings.dev")
    try:
        from django.core.management import execute_from_command_line
    except ImportError as exc:
        raise ImportError(
            "Couldn't import Django. Are you sure it's installed and "
            "available on your PYTHONPATH environment variable? Did you "
            "forget to activate a virtual environment?"
        ) from exc
    execute_from_command_line(sys.argv) 

# 需要導入模塊: from boto3.s3 import transfer [as 別名]
# 或者: from boto3.s3.transfer import create_transfer_manager [as 別名]
def upload_fileobj(self, Fileobj, Bucket, Key, ExtraArgs=None,
                   Callback=None, Config=None):
    """Upload a file-like object to S3.

    The file-like object must be in binary mode.

    This is a managed transfer which will perform a multipart upload in
    multiple threads if necessary.

    Usage::

        import boto3
        s3 = boto3.client('s3')

        with open('filename', 'rb') as data:
            s3.upload_fileobj(data, 'mybucket', 'mykey')

    :type Fileobj: a file-like object
    :param Fileobj: A file-like object to upload. At a minimum, it must
        implement the `read` method, and must return bytes.

    :type Bucket: str
    :param Bucket: The name of the bucket to upload to.

    :type Key: str
    :param Key: The name of the key to upload to.

    :type ExtraArgs: dict
    :param ExtraArgs: Extra arguments that may be passed to the
        client operation.

    :type Callback: method
    :param Callback: A method which takes a number of bytes transferred to
        be periodically called during the upload.

    :type Config: boto3.s3.transfer.TransferConfig
    :param Config: The transfer configuration to be used when performing the
        upload.
    """
    if not hasattr(Fileobj, 'read'):
        raise ValueError('Fileobj must implement read')

    subscribers = None
    if Callback is not None:
        subscribers = [ProgressCallbackInvoker(Callback)]

    config = Config
    if config is None:
        config = TransferConfig()

    with create_transfer_manager(self, config) as manager:
        future = manager.upload(
            fileobj=Fileobj, bucket=Bucket, key=Key,
            extra_args=ExtraArgs, subscribers=subscribers)
        return future.result() 

# 需要導入模塊: from boto3.s3 import transfer [as 別名]
# 或者: from boto3.s3.transfer import create_transfer_manager [as 別名]
def download_fileobj(self, Bucket, Key, Fileobj, ExtraArgs=None,
                     Callback=None, Config=None):
    """Download an object from S3 to a file-like object.

    The file-like object must be in binary mode.

    This is a managed transfer which will perform a multipart download in
    multiple threads if necessary.

    Usage::

        import boto3
        s3 = boto3.client('s3')

        with open('filename', 'wb') as data:
            s3.download_fileobj('mybucket', 'mykey', data)

    :type Fileobj: a file-like object
    :param Fileobj: A file-like object to download into. At a minimum, it must
        implement the `write` method and must accept bytes.

    :type Bucket: str
    :param Bucket: The name of the bucket to download from.

    :type Key: str
    :param Key: The name of the key to download from.

    :type ExtraArgs: dict
    :param ExtraArgs: Extra arguments that may be passed to the
        client operation.

    :type Callback: method
    :param Callback: A method which takes a number of bytes transferred to
        be periodically called during the download.

    :type Config: boto3.s3.transfer.TransferConfig
    :param Config: The transfer configuration to be used when performing the
        download.
    """
    if not hasattr(Fileobj, 'write'):
        raise ValueError('Fileobj must implement write')

    subscribers = None
    if Callback is not None:
        subscribers = [ProgressCallbackInvoker(Callback)]

    config = Config
    if config is None:
        config = TransferConfig()

    with create_transfer_manager(self, config) as manager:
        future = manager.download(
            bucket=Bucket, key=Key, fileobj=Fileobj,
            extra_args=ExtraArgs, subscribers=subscribers)
        return future.result() 

# 需要導入模塊: from boto3.s3 import transfer [as 別名]
# 或者: from boto3.s3.transfer import create_transfer_manager [as 別名]
def upload_fileobj(self, Fileobj, Bucket, Key, ExtraArgs=None,
                   Callback=None, Config=None):
    """Upload a file-like object to S3.

    The file-like object must be in binary mode.

    This is a managed transfer which will perform a multipart upload in
    multiple threads if necessary.

    Usage::

        import boto3
        s3 = boto3.client('s3')

        with open('filename', 'rb') as data:
            s3.upload_fileobj(data, 'mybucket', 'mykey')

    :type Fileobj: a file-like object
    :param Fileobj: A file-like object to upload. At a minimum, it must
        implement the `read` method, and must return bytes.

    :type Bucket: str
    :param Bucket: The name of the bucket to upload to.

    :type Key: str
    :param Key: The name of the key to upload to.

    :type ExtraArgs: dict
    :param ExtraArgs: Extra arguments that may be passed to the
        client operation.

    :type Callback: function
    :param Callback: A method which takes a number of bytes transferred to
        be periodically called during the upload.

    :type Config: boto3.s3.transfer.TransferConfig
    :param Config: The transfer configuration to be used when performing the
        upload.
    """
    if not hasattr(Fileobj, 'read'):
        raise ValueError('Fileobj must implement read')

    subscribers = None
    if Callback is not None:
        subscribers = [ProgressCallbackInvoker(Callback)]

    config = Config
    if config is None:
        config = TransferConfig()

    with create_transfer_manager(self, config) as manager:
        future = manager.upload(
            fileobj=Fileobj, bucket=Bucket, key=Key,
            extra_args=ExtraArgs, subscribers=subscribers)
        return future.result() 

# 需要導入模塊: from boto3.s3 import transfer [as 別名]
# 或者: from boto3.s3.transfer import create_transfer_manager [as 別名]
def download_fileobj(self, Bucket, Key, Fileobj, ExtraArgs=None,
                     Callback=None, Config=None):
    """Download an object from S3 to a file-like object.

    The file-like object must be in binary mode.

    This is a managed transfer which will perform a multipart download in
    multiple threads if necessary.

    Usage::

        import boto3
        s3 = boto3.client('s3')

        with open('filename', 'wb') as data:
            s3.download_fileobj('mybucket', 'mykey', data)

    :type Fileobj: a file-like object
    :param Fileobj: A file-like object to download into. At a minimum, it must
        implement the `write` method and must accept bytes.

    :type Bucket: str
    :param Bucket: The name of the bucket to download from.

    :type Key: str
    :param Key: The name of the key to download from.

    :type ExtraArgs: dict
    :param ExtraArgs: Extra arguments that may be passed to the
        client operation.

    :type Callback: function
    :param Callback: A method which takes a number of bytes transferred to
        be periodically called during the download.

    :type Config: boto3.s3.transfer.TransferConfig
    :param Config: The transfer configuration to be used when performing the
        download.
    """
    if not hasattr(Fileobj, 'write'):
        raise ValueError('Fileobj must implement write')

    subscribers = None
    if Callback is not None:
        subscribers = [ProgressCallbackInvoker(Callback)]

    config = Config
    if config is None:
        config = TransferConfig()

    with create_transfer_manager(self, config) as manager:
        future = manager.download(
            bucket=Bucket, key=Key, fileobj=Fileobj,
            extra_args=ExtraArgs, subscribers=subscribers)
        return future.result()