jasquat 742f549e98 Squashed 'SpiffWorkflow/' changes from 12f81480a..d27519a36
d27519a36 Merge pull request #259 from sartography/bugfix/spiff-postscript-execution
21aa8a12c update execution order for postscripts
d83fd3d81 Merge pull request #256 from sartography/feature/xml-validation
8303aaab5 uping the sleep time in a test slightly to see if we can get this test to pass consistently in CI.
1d251d55d determine whether to validate by passing in a validator instead of a parameter
2d3daad2d add spiff schema
f8c65dc60 Minor changes to BPMN diagrams to assure all tests are run against valid BPMN Diagrams. Changes required:
9e06b25bf add DMN validation
1b7cbeba0 set parser to validate by default
53fdbba52 add schemas & validation option
a212d9c5d general cleanup

git-subtree-dir: SpiffWorkflow
git-subtree-split: d27519a3631b9772094e5f24dba2f478b0c47135
2022-10-27 10:50:48 -04:00

45 lines
1.6 KiB
Python

from copy import deepcopy
from SpiffWorkflow.task import TaskState
from SpiffWorkflow.bpmn.specs .BpmnSpecMixin import BpmnSpecMixin
class SpiffBpmnTask(BpmnSpecMixin):
def __init__(self, wf_spec, name, prescript=None, postscript=None, **kwargs):
# WHy am I doing this instead of just calling super?
# Because I need to deal with multiple inheritance and the kwargs nightmare created by our parser design
BpmnSpecMixin.__init__(self, wf_spec, name, **kwargs)
self.prescript = prescript
self.postscript = postscript
@property
def spec_type(self):
return 'Spiff BPMN Task'
def execute_script(self, my_task, script):
try:
my_task.workflow.script_engine.execute(my_task, script)
except Exception as exc:
my_task._set_state(TaskState.WAITING)
raise exc
def get_payload(self, my_task, script, expr):
try:
data = deepcopy(my_task.data)
my_task.worklflow.script_engine.execute(my_task, script, data)
return my_task.workflow.script_engine._evaluate(expr, data)
except Exception as exc:
my_task._set_state(TaskState.WAITING)
raise exc
def _on_ready_hook(self, my_task):
super()._on_ready_hook(my_task)
if self.prescript is not None:
self.execute_script(my_task, self.prescript)
def _on_complete_hook(self, my_task):
super()._on_complete_hook(my_task)
if self.postscript is not None:
self.execute_script(my_task, self.postscript)