keystone.common.dependency module¶

This module provides support for dependency injection.

WARNING: Use the keystone.common.provider_api module instead. This module is going away in favor of an implementation that is better about following the dependency injection model:

https://en.wikipedia.org/wiki/Dependency_injection

exception keystone.common.dependency.UnresolvableDependencyException(name, targets)[source]¶

Bases: exceptions.Exception

Raised when a required dependency is not resolvable.

See resolve_future_dependencies() for more details.

keystone.common.dependency.get_provider(name, optional=<object object>)[source]¶

keystone.common.dependency.reset()[source]¶

Deprecated, does nothing.

keystone.common.dependency.resolve_future_dependencies(__provider_name=None)[source]¶

Deprecated, does nothing.