topology.platforms.utils
¶
Common utilities for engine platforms.
Classes¶
NodeLoader
: Node loader utility class for platform engines.
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class
topology.platforms.utils.
NodeLoader
(engine_name, api_version='1.0', base_class=None)¶ Node loader utility class for platform engines.
This class allows to load nodes for a platform engine using Python entry points.
Parameters: Inheritance
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load_nodes
(cache=True)¶ List all available nodes types.
This function lists all available node types by discovering installed plugins registered in the entry point. This can be costly or error prone if a plugin misbehave. Because of this a cache is stored after the first call.
Parameters: cache (bool) – If True
return the cached result. IfFalse
force reload of all plugins registered for the entry point.Return type: OrderedDict Returns: An ordered dictionary associating the name of the node type and the class (subclass of topology.platforms.node.BaseNode
) implementing it.
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