pynetdicom._handlers.doc_handle_delete

pynetdicom._handlers.doc_handle_delete(event)

Documentation for handlers bound to evt.EVT_N_DELETE.

User implementation of this event handler is required if one or more services that use N-DELETE are to be supported. If a handler is not implemented and bound to evt.EVT_N_DELETE then the N-DELETE request will be responded to using a Status value of 0x0110 - Processing failure.

Event

evt.EVT_N_DELETE

Supported Service Classes

  • Print Management
  • RT Machine Verification

Status

Success
0x0000 - Success
Failure
0x0110 - Processing failure
0x0112 - No such SOP Instance
0x0117 - Invalid object Instance
0x0118 - Not such SOP Class
0x0119 - Class-Instance conflict
0x0124 - Not authorised
0x0210 - Duplicate invocation
0x0211 - Unrecognised operation
0x0212 - Mistyped argument
0x0213 - Resource limitation
Parameters:event (events.Event) –

The event representing a service class receiving a N-DELETE request message. Event attributes are:

  • assoc : the association that is running the service that received the N-DELETE request.
  • context : the presentation context the request was sent under as a presentation.PresentationContextTuple.
  • event : the event that occurred as namedtuple.
  • request : the received N-DELETE request
  • timestamp : the date and time that the N-DELETE request was processed by the service.
Returns:status – The status returned to the peer AE in the N-DELETE response. Must be a valid N-DELETE status value for the applicable Service Class as either an int or a Dataset object containing (at a minimum) a (0000,0900) Status element. If returning a Dataset object then it may also contain optional elements related to the Status (as in DICOM Standard Part 7, Annex C).
Return type:pydicom.dataset.Dataset or int
Raises:NotImplementedError – If the handler has not been implemented and bound to evt.EVT_N_DELETE by the user.

References

DICOM Standard Part 4, Annexes H and DD