get_cached_extension_manager

asdf.extension.get_cached_extension_manager(extensions)[source]

Get a previously created ExtensionManager for the specified extensions, or create and cache one if necessary. Building the manager is expensive, so it helps performance to reuse it when possible.

Parameters:
extensionslist of asdf.extension.AsdfExtension or asdf.extension.Extension
Returns:
asdf.extension.ExtensionManager