def parse(raw_args=None):
"""Process input arguments and runs requested operations.
:param list raw_args: List of arguments
:returns: parsed arguments
:rtype: argparse.Namespace
"""
parser = _build_parser()
mrcrypt_args = parser.parse_args(raw_args)
if mrcrypt_args.command is None:
return parser.format_help()
try:
if mrcrypt_args.command == 'encrypt':
if mrcrypt_args.encryption_context is not None and not isinstance(mrcrypt_args.encryption_context, dict):
return 'Invalid dictionary in encryption context argument'
aws_encryption_sdk_cli.setup_logger(
verbosity=mrcrypt_args.verbose,
quiet=False
)
encryption_cli_args = _transform_args(mrcrypt_args)
crypto_materials_manager = _build_crypto_materials_manager(encryption_cli_args)
stream_args = aws_encryption_sdk_cli.stream_kwargs_from_args(encryption_cli_args, crypto_materials_manager)
aws_encryption_sdk_cli.process_cli_request(
stream_args=stream_args,
parsed_args=encryption_cli_args
)
# NOTE: If any post-processing of the files created as a result of this operation
# is desired, the best way to approach this would be to use the output metadata to
# collect a listing of all written files.
# http://aws-encryption-sdk-cli.readthedocs.io/en/latest/#output-metadata
return None
except AWSEncryptionSDKCLIError as error:
return error.args[0]
except Exception as error: # pylint: disable=broad-except
message = os.linesep.join([
'Encountered unexpected error: increase verbosity to see details.',
'{cls}({args})'.format(
cls=error.__class__.__name__,
args=', '.join(['"{}"'.format(arg) for arg in error.args])
)
])
_LOGGER.debug(message)
# copy.deepcopy can't handle raw exc_info objects, so format it first
formatted_traceback = traceback.format_exc()
_LOGGER.debug(formatted_traceback)
return message
def test_stream_kwargs_from_args(args, stream_args):
assert aws_encryption_sdk_cli.stream_kwargs_from_args(
args, sentinel.materials_manager) == stream_args