dependencies

Classes

DeferredImportCallbackFinder()	Custom Finder that will wrap the normal loader to trigger callbacks
DeferredImportCallbackLoader(loader, ...)	Custom Loader to resolve registered DeferredImportIndicator objects
DeferredImportIndicator(name, error_message, ...)	Placeholder indicating if an import was successful.
DeferredImportModule(indicator, ...)	Mock module object to support the deferred import of a module.
ModuleUnavailable(name, message, ...)	Mock object that raises DeferredImportError upon attribute access
declare_modules_as_importable(globals_dict)	Make all ModuleType and DeferredImportModules importable through the globals_dict context.

Functions

UnavailableClass(unavailable_module)	Function to generate an "unavailable" base class
attempt_import(name[, error_message, ...])	Attempt to import the specified module.
check_min_version(module, min_version)
declare_deferred_modules_as_importable(...)	DEPRECATED.