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import logging

from botocore.credentials import ReadOnlyCredentials

[docs]log = logging.getLogger(__name__)
[docs]def build_credentials_block(credentials: ReadOnlyCredentials) -> str: """ Generate AWS credentials block for Redshift COPY and UNLOAD commands, as noted in AWS docs :param credentials: ReadOnlyCredentials object from `botocore` :return: str """ if credentials.token: log.debug("STS token found in credentials, including it in the command") # these credentials are obtained from AWS STS # so the token must be included in the CREDENTIALS clause credentials_line = ( f"aws_access_key_id={credentials.access_key};" f"aws_secret_access_key={credentials.secret_key};" f"token={credentials.token}" ) else: credentials_line = ( f"aws_access_key_id={credentials.access_key};aws_secret_access_key={credentials.secret_key}" ) return credentials_line

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