keystone.common.provider_api module¶
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exception
keystone.common.provider_api.
DuplicateProviderError
[source]¶ Bases:
Exception
Attempting to register a duplicate API provider.
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class
keystone.common.provider_api.
ProviderAPIMixin
[source]¶ Bases:
object
Allow referencing provider apis on self via __getattr__.
Be sure this class is first in the class definition for inheritance.
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class
keystone.common.provider_api.
ProviderAPIRegistry
[source]¶ Bases:
object
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deferred_provider_lookup
(api, method)[source]¶ Create descriptor that performs lookup of api and method on demand.
For specialized cases, such as the enforcer “get_member_from_driver” which needs to be effectively a “classmethod”, this method returns a smart descriptor object that does the lookup at runtime instead of at import time.
- Parameters
api (str) – The api to use, e.g. “identity_api”
method (str) – the method on the api to return
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locked
= False¶
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