o i@s|dZddlZddlZddlZGdddeZGdddeZGdddeZGd d d eZdd d Z dd dZ ddZ dS)zExtension utilities.Nc@eZdZdZdS)ExtensionLoadingErrorzAn extension loading error.N__name__ __module__ __qualname____doc__r r Y/var/www/edux/Edux_v2/venv/lib/python3.10/site-packages/jupyter_server/extension/utils.pyrrc@r)ExtensionMetadataErrorzAn extension metadata error.Nrr r r r r r r c@r)ExtensionModuleNotFoundz$An extension module not found error.Nrr r r r r r r c@r)NotAnExtensionAppz2An error raised when a module is not an extension.Nrr r r r rr rcCsdzt|dWStyYnwzt|d}Wnty%d}t|dwtdj|dt|S)zLooks for _load_jupyter_server_extension as an attribute of the object or module. Adds backwards compatibility for old function name missing the underscore prefix. _load_jupyter_server_extensionload_jupyter_server_extensionz6_load_jupyter_server_extension function was not found.NzA `_load_jupyter_server_extension` function was not found in {name!s}. Instead, a `load_jupyter_server_extension` function was found and will be used for now. This function name will be deprecated in future releases of Jupyter Server.name)getattrAttributeErrorrwarningswarnformatDeprecationWarning)objloggerfuncmsgr r r get_loaders$    rcCst}t|}t}||}|r |d|d|ddz||fWSty0Ynwz|}|rA|dj |d||fWStyNYnw|rZ| dj |d|||dgfS) a5Find the extension metadata from an extension package. This looks for a `_jupyter_server_extension_points` function that returns metadata about all extension points within a Jupyter Server Extension pacakge. If it doesn't exist, return a basic metadata packet given the module name. zPackage z took z.4fz s to importzA `_jupyter_server_extension_points` function was not found in {name}. Instead, a `_jupyter_server_extension_paths` function was found and will be used for now. This function name will be deprecated in future releases of Jupyter Server.rzA `_jupyter_server_extension_points` function was not found in {name}, so Jupyter Server will look for extension points in the extension pacakge's root.)moduler) time perf_counter importlib import_moduleinfo _jupyter_server_extension_pointsr_jupyter_server_extension_pathswarningrdebug) package_namer start_timerend_timedurationextension_pointsr r r get_metadata<s<    r-cCsddlm}||dS)aZRaises an exception is the extension is missing a needed hook or metadata field. An extension is valid if: 1) name is an importable Python package. 1) the package has a _jupyter_server_extension_paths function 2) each extension path has a _load_jupyter_server_extension function If this works, nothing should happen. )ExtensionPackager)managerr/)rr/r r r validate_extensionrs r1)N) rr!rr Exceptionrr r rrr-r1r r r r s   6