本文整理匯總了Python中botocore.auth.py方法的典型用法代碼示例。如果您正苦於以下問題：Python auth.py方法的具體用法？Python auth.py怎麽用？Python auth.py使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類botocore.auth的用法示例。
在下文中一共展示了auth.py方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: get_auth_instance
# 需要導入模塊: from botocore import auth [as 別名]
# 或者: from botocore.auth import py [as 別名]
def get_auth_instance(self, signing_name, region_name,
signature_version=None, **kwargs):
"""
Get an auth instance which can be used to sign a request
using the given signature version.
:type signing_name: string
:param signing_name: Service signing name. This is usually the
same as the service name, but can differ. E.g.
``emr`` vs. ``elasticmapreduce``.
:type region_name: string
:param region_name: Name of the service region, e.g. ``us-east-1``
:type signature_version: string
:param signature_version: Signature name like ``v4``.
:rtype: :py:class:`~botocore.auth.BaseSigner`
:return: Auth instance to sign a request.
"""
if signature_version is None:
signature_version = self._signature_version
cls = botocore.auth.AUTH_TYPE_MAPS.get(signature_version)
if cls is None:
raise UnknownSignatureVersionError(
signature_version=signature_version)
# If there's no credentials provided (i.e credentials is None),
# then we'll pass a value of "None" over to the auth classes,
# which already handle the cases where no credentials have
# been provided.
frozen_credentials = None
if self._credentials is not None:
frozen_credentials = self._credentials.get_frozen_credentials()
kwargs['credentials'] = frozen_credentials
if cls.REQUIRES_REGION:
if self._region_name is None:
raise botocore.exceptions.NoRegionError()
kwargs['region_name'] = region_name
kwargs['service_name'] = signing_name
auth = cls(**kwargs)
return auth
# Alias get_auth for backwards compatibility.