U |Phr@sddlmZddlmZddlmZddlmZddlm Z m Z e dej e d\Z Z erfddlmZne dej e d \ZZ Gd d d Zd S) ) annotations) TYPE_CHECKING) IgniteInfo) Evaluator) min_versionoptional_importz ignite.engineEvents)Enginer c@sXeZdZdZddddddd d d Zd dd ddZdddddZdddddZdS)ValidationHandlerz Attach validator to the trainer engine in Ignite. It can support to execute validation every N epochs or every N iterations. NTFintzEvaluator | NoneboolNone)interval validator epoch_level exec_at_startreturncCsD|dk r(t|ts(tdt|jd||_||_||_||_dS)a  Args: interval: do validation every N epochs or every N iterations during training. validator: run the validator when trigger validation, suppose to be Evaluator. if None, should call `set_validator()` before training. epoch_level: execute validation every N epochs or N iterations. `True` is epoch level, `False` is iteration level. exec_at_start: whether to execute a validation first when starting the training. default to `False`. It can be useful especially for some transfer-learning cases to validate the initial model before training. Raises: TypeError: When ``validator`` is not a ``monai.engines.evaluator.Evaluator``. N=validator must be a monai.engines.evaluator.Evaluator but is .) isinstancer TypeErrortype__name__rrrr)selfrrrrrV/home/dell461/cl/sdc2/HISourceFinder-master-l/src/monai/handlers/validation_handler.py__init__"s zValidationHandler.__init__r)rrcCs*t|ts tdt|jd||_dS)zA Set validator if not setting in the __init__(). rrN)rrrrrr)rrrrr set_validator;s zValidationHandler.set_validatorr )enginercCsL|jr|tj|jd|n|tj|jd||jrH|tj|dS)g Args: engine: Ignite Engine, it can be a trainer, validator or evaluator. )everyN)radd_event_handlerrEPOCH_COMPLETEDrITERATION_COMPLETEDrSTARTEDrrrrrattachCs zValidationHandler.attachcCs&|jdkrtd|j|jjdS)rNzMplease set validator in __init__() or call `set_validator()` before training.)r RuntimeErrorrunstateepochr%rrr__call__Os zValidationHandler.__call__)NTF)r __module__ __qualname____doc__rrr&r+rrrrr s r N) __future__rtypingr monai.configrZmonai.engines.evaluatorr monai.utilsrrOPT_IMPORT_VERSIONr_ ignite.enginer r rrrr s