def provide_external_input(self, external_data: typing.Dict):
"""
A method gathering user's input for the current Step
:return:
:raises: pydantic.ValidationError
"""
try:
CurrentStep = self.import_class(self.current_step)
except ImportError:
print(
f"Provide Exteranal input for {self.workflow.name}: import error of {self.current_step}"
)
self.state = JobState.FAILED
return
if not CurrentStep.UserInputSchema.__fields__:
raise WrongState(
f"Current Workflow's Step {CurrentStep} does not accept external input."
)
if self.state != JobState.INPUT_REQUIRED:
raise WrongState(f"Wrong Workflow's state: {self.state}.")
# pydantic validate the data structure
external_data = CurrentStep.UserInputSchema(**external_data)
# update serialized job's state with provided external data
try:
self.storage["data"][self.current_step_number][
"external_data"] = external_data.dict()
except IndexError:
self.storage["data"].append({
"step": self.current_step,
"external_data": external_data.dict()
})
self.state = JobState.INPUT_RECEIVED
self.save()
