Dan 35fd8ffc0f Squashed 'SpiffWorkflow/' changes from 11e4b4f96..b439f69f2
b439f69f2 Merge pull request #296 from sartography/bugfix/subprocess-access-to-data-objects
6d2a2031e update spiff subworkflow tasks too
992c38671 make data objects referenceable within subprocesses
6c8ff5cdf allow subprocesses & call activities to have different data copy policies
2b14f3a48 initialize subprocesses in _update_hook instead of _on_ready_before
791f335d5 Merge pull request #295 from sartography/improvement/remove-camunda-from-base-and-misc-cleanup
28b579beb remove a few unused, duplicative, and debugging methods
8f14d1098 remove some other unused diagrams and tests
408bc6734 rely on top level camunda parser for almost all namespace references
895b2cc9b remove camunda namespace from base bpmn parser
76ecbf7cc Merge pull request #294 from sartography/bugfix/reactivate-boundary-event
82b6c8ad4 hack to ensure timers (and other events) are reset if returned to via loop reset
590903f47 Merge pull request #292 from sartography/feature/multiinstance-refactor
537490043 fix bug & typo
f31726db1 raise error on attempting to migrate workflows with MI
44e6d08d8 create spiff multiinstance task
2168c022b create camunda MI that approximates what it used to do
9894cea59 some improvements and bugfixes
f857ad5d4 remove some now unused functionality & tests, create a few more tests
6fead9d04 updated serializer & fixes for most tests
ec662ecdd add parallel multiinstance
bd19b2a8a working sequential multiinstance
2f9c192b6 further cleanup around _update_hook
947792bf6 fix bug in exclusive gateway migration
d3d87b28d add io spec to all tasks
f1586e275 add support for standard loop tasks

git-subtree-dir: SpiffWorkflow
git-subtree-split: b439f69f23b547df4de1e8e0c636997f2fd4e33b
2023-02-18 10:32:56 -05:00

55 lines
1.9 KiB
Python

from copy import deepcopy
from SpiffWorkflow.exceptions import SpiffWorkflowException
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 _update_hook(self, my_task):
super()._update_hook(my_task)
if self.prescript is not None:
try:
self.execute_script(my_task, self.prescript)
except SpiffWorkflowException as se:
se.add_note("Error occurred in the Pre-Script")
raise se
return True
def _on_complete_hook(self, my_task):
if self.postscript is not None:
try:
self.execute_script(my_task, self.postscript)
except SpiffWorkflowException as se:
se.add_note("Error occurred in the Post-Script")
raise se
super()._on_complete_hook(my_task)