def __init__()

in awscrt/auth.py [0:0]

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

    def __init__(self,
                 algorithm,
                 signature_type,
                 credentials_provider,
                 region,
                 service,
                 date=None,
                 should_sign_header=None,
                 use_double_uri_encode=True,
                 should_normalize_uri_path=True,
                 signed_body_value=None,
                 signed_body_header_type=AwsSignedBodyHeaderType.NONE,
                 expiration_in_seconds=None,
                 omit_session_token=False,
                 ):

        assert isinstance(algorithm, AwsSigningAlgorithm)
        assert isinstance(signature_type, AwsSignatureType)
        assert isinstance(credentials_provider, AwsCredentialsProvider)
        assert isinstance(region, str)
        assert isinstance(service, str)
        assert callable(should_sign_header) or should_sign_header is None
        assert signed_body_value is None or (isinstance(signed_body_value, str) and len(signed_body_value) > 0)
        assert isinstance(signed_body_header_type, AwsSignedBodyHeaderType)
        assert expiration_in_seconds is None or expiration_in_seconds > 0

        super().__init__()

        if date is None:
            date = datetime.datetime.now(datetime.timezone.utc)

        timestamp = date.timestamp()

        self._priv_should_sign_cb = should_sign_header

        if should_sign_header is not None:
            def should_sign_header_wrapper(name):
                return should_sign_header(name=name)
        else:
            should_sign_header_wrapper = None

        if expiration_in_seconds is None:
            # C layer uses 0 to indicate None
            expiration_in_seconds = 0

        self._binding = _awscrt.signing_config_new(
            algorithm,
            signature_type,
            credentials_provider,
            region,
            service,
            date,
            timestamp,
            should_sign_header_wrapper,
            use_double_uri_encode,
            should_normalize_uri_path,
            signed_body_value,
            signed_body_header_type,
            expiration_in_seconds,
            omit_session_token)