U Uºc0 ã @s†dZddlmZddlZddlZddlZddlZe e¡Z Gdd„deƒZ Gdd„de  ddd d g¡e ƒZ d d „Z d d„Zdd„ZdS)z%Utilities for working with callables.é)ÚABCNc@s(eZdZdZejGdd„dejƒƒZdS)ÚOutcomea…A sum type describing the outcome of some call. Attributes: kind: One of Kind.RETURNED or Kind.RAISED respectively indicating that the call returned a value or raised an exception. return_value: The value returned by the call. Must be present if kind is Kind.RETURNED. exception: The exception raised by the call. Must be present if kind is Kind.RAISED. c@seZdZdZeƒZeƒZdS)z Outcome.Kindz8Identifies the general kind of the outcome of some call.N)Ú__name__Ú __module__Ú __qualname__Ú__doc__ÚobjectÚRETURNEDÚRAISED©r r úK/tmp/pip-unpacked-wheel-may1sbrn/grpc/framework/foundation/callable_util.pyÚKind%sr N)rrrrÚenumÚuniqueÚEnumr r r r r rs rc@seZdZdZdS)Ú _EasyOutcomez$A trivial implementation of Outcome.N)rrrrr r r r r-srÚkindZ return_valueÚ exceptionc Os^zttjj|||ŽdƒWStk rX}z"t |¡ttjjd|ƒWY¢Sd}~XYnXdS©N)rrr r Ú ExceptionÚ_LOGGERrr )ÚbehaviorÚmessageÚargsÚkwargsÚer r r Ú_call_logging_exceptions3sÿ rcst ˆ¡‡‡fdd„ƒ}|S)a»Wraps a callable in a try-except that logs any exceptions it raises. Args: behavior: Any callable. message: A string to log if the behavior raises an exception. Returns: A callable that when executed invokes the given behavior. The returned callable takes the same arguments as the given behavior but returns a future.Outcome describing whether the given behavior returned a value or raised an exception. cstˆˆf|ž|ŽSr©r)rr©rrr r Úwrapped_behaviorJsz0with_exceptions_logged..wrapped_behavior)Ú functoolsÚwraps)rrrr rr Úwith_exceptions_logged<sr"cOst||f|ž|ŽS)aœCalls a behavior in a try-except that logs any exceptions it raises. Args: behavior: Any callable. message: A string to log if the behavior raises an exception. *args: Positional arguments to pass to the given behavior. **kwargs: Keyword arguments to pass to the given behavior. Returns: An Outcome describing whether the given behavior returned a value or raised an exception. r)rrrrr r r Úcall_logging_exceptionsQs r#)rÚabcrÚ collectionsrr ÚloggingÚ getLoggerrrrÚ namedtuplerrr"r#r r r r Ús    ÿþ