def __init__()

in boto3/s3/transfer.py [0:0]

• 19 lines of code
• 8 McCabe index (conditional complexity)

    def __init__(self, client=None, config=None, osutil=None, manager=None):
        if not client and not manager:
            raise ValueError(
                'Either a boto3.Client or s3transfer.manager.TransferManager '
                'must be provided'
            )
        if manager and any([client, config, osutil]):
            raise ValueError(
                'Manager cannot be provided with client, config, '
                'nor osutil. These parameters are mutually exclusive.'
            )
        if config is None:
            config = TransferConfig()
        if osutil is None:
            osutil = OSUtils()
        if manager:
            self._manager = manager
        else:
            self._manager = create_transfer_manager(client, config, osutil)