Class Credentials

awscli/botocore/credentials.py:335–380

Holds the credentials needed to authenticate requests. :param str access_key: The access key part of the credentials. :param str secret_key: The secret key part of the credentials. :param str token: The security token, valid only for session credentials. :param str method: A st

class Credentials:
    """
    Holds the credentials needed to authenticate requests.

    :param str access_key: The access key part of the credentials.
    :param str secret_key: The secret key part of the credentials.
    :param str token: The security token, valid only for session credentials.
    :param str method: A string which identifies where the credentials
        were found.
    :param str account_id: (optional) An account ID associated with the credentials.
    """

    def __init__(
        self, access_key, secret_key, token=None, method=None, account_id=None
    ):
        self.access_key = access_key
        self.secret_key = secret_key
        self.token = token

        if method is None:
            method = 'explicit'
        self.method = method
        self.account_id = account_id

        self._normalize()

    def _normalize(self):
        # Keys would sometimes (accidentally) contain non-ascii characters.
        # It would cause a confusing UnicodeDecodeError in Python 2.
        # We explicitly convert them into unicode to avoid such error.
        #
        # Eventually the service will decide whether to accept the credential.
        # This also complies with the behavior in Python 3.
        self.access_key = botocore.compat.ensure_unicode(self.access_key)
        self.secret_key = botocore.compat.ensure_unicode(self.secret_key)

    def get_frozen_credentials(self):
        return ReadOnlyCredentials(
            self.access_key, self.secret_key, self.token, self.account_id
        )

    def get_deferred_property(self, property_name):
        def get_property():
            return getattr(self, property_name, None)

        return get_property


class RefreshableCredentials(Credentials):