pynetdicom.fsm.StateMachine

class pynetdicom.fsm.StateMachine(dul: DULServiceProvider)

Implementation of the DICOM Upper Layer State Machine.

current_state

The current state of the state machine, 'Sta1' to 'Sta13'.

Type

str

dul

The DICOM Upper Layer service instance for the local AE

Type

dul.DULServiceProvider

References

• DICOM Standard, Part 8, Section 9.2

__init__(dul: DULServiceProvider)

Create a new StateMachine.

Parameters

dul (dul.DULServiceProvider) – The DICOM Upper Layer Service instance for the association.

Methods

__init__(dul)	Create a new StateMachine.
do_action(event)	Execute the action triggered by event.
transition(state)	Transition the state machine to the next state.

do_action(event: str) → None

Execute the action triggered by event.

Parameters

event (str) – The event to be processed, 'Evt1' to 'Evt19'

transition(state: str) → None

Transition the state machine to the next state.

Parameters

state (str) – The state to transition to, 'Sta1' to 'Sta13'.

Raises

ValueError – If state is not a valid state.