s3.py 文件源码

def client(self):
        if not hasattr(self._local, 'client'):
            _logger.info("Creating new S3 Client")
            if self._dev_url:
                _logger.warning("S3 dev mode enabled")
                session = botocore.session.get_session()
                self._local.client = session.create_client(
                    's3',
                    aws_access_key_id='-',
                    aws_secret_access_key='-',
                    endpoint_url=self._dev_url,
                    config=Config(
                        s3={'addressing_style': 'path'},
                        signature_version='s3'
                    )
                )
            else:
                self._local.client = boto3.client(
                    's3',
                    aws_access_key_id=self._aws_access_key_id,
                    aws_secret_access_key=self._aws_secret_access_key
                )

        return self._local.client