[REF] Create a WorkflowItem object
bzr revid: stw@openerp.com-20131023135838-ix7x6mzui3i3wfbi
This commit is contained in:
Stephane Wirtel
parent
6a3a2709ef
commit
f6c1b6bb86
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@ -12,4 +12,11 @@ class Record(object):
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assert isinstance(model, basestring)
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assert isinstance(record_id, (int, long))
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self.model = model
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self.id = record_id
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self.id = record_id
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class WorkflowActivity(object):
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KIND_FUNCTION = 'function'
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KIND_DUMMY = 'dummy'
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KIND_STOPALL = 'stopall'
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KIND_SUBFLOW = 'subflow'
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@ -21,6 +21,7 @@
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import workitem
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from openerp.workflow.helpers import Session
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from openerp.workflow.helpers import Record
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from openerp.workflow.workitem import WorkflowItem
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def create(session, record, workflow_id):
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assert isinstance(session, Session)
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@ -33,7 +34,7 @@ def create(session, record, workflow_id):
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cr.execute('select * from wkf_activity where flow_start=True and wkf_id=%s', (workflow_id,))
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activities = cr.dictfetchall()
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stack = []
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workitem.create(session, record, activities, instance_id, stack=stack)
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WorkflowItem(session, record).create(activities, instance_id, stack)
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update(session, record, instance_id)
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return instance_id
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@ -53,9 +54,10 @@ def validate(session, record, instance_id, signal, force_running=False):
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cr = session.cr
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cr.execute("select * from wkf_workitem where inst_id=%s", (instance_id,))
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stack = []
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wi = WorkflowItem(session, record)
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for work_item in cr.dictfetchall():
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stack = []
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workitem.process(session, record, work_item, signal, force_running, stack=stack)
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# stack = []
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wi.process(work_item, signal, force_running, stack=stack)
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# An action is returned
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_update_end(session, record, instance_id)
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return stack and stack[0] or False
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@ -67,9 +69,11 @@ def update(session, record, instance_id):
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cr = session.cr
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cr.execute("select * from wkf_workitem where inst_id=%s", (instance_id,))
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for witem in cr.dictfetchall():
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wi = WorkflowItem(session, record)
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for work_item in cr.dictfetchall():
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stack = []
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workitem.process(session, record, witem, stack=stack)
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wi.process(work_item, stack=stack)
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return _update_end(session, record, instance_id)
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def _update_end(session, record, instance_id):
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@ -28,13 +28,14 @@ import instance
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from openerp.workflow.helpers import Session
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from openerp.workflow.helpers import Record
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from openerp.workflow.helpers import WorkflowActivity
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logger = logging.getLogger(__name__)
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import openerp
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from openerp.tools.safe_eval import safe_eval as eval
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class Env(dict):
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class Environment(dict):
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"""
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Dictionary class used as an environment to evaluate workflow code (such as
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the condition on transitions).
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@ -43,13 +44,13 @@ class Env(dict):
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instance, column names, and all the record (the one obtained by browsing
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the provided ID) attributes.
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"""
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def __init__(self, cr, uid, model, id):
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self.cr = cr
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self.uid = uid
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self.model = model
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self.id = id
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self.ids = [id]
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self.obj = openerp.registry(cr.dbname)[model]
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def __init__(self, session, record):
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self.cr = session.cr
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self.uid = session.uid
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self.model = record.model
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self.id = record.id
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self.ids = [record.id]
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self.obj = openerp.registry(self.cr.dbname)[self.model]
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self.columns = self.obj._columns.keys() + self.obj._inherit_fields.keys()
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def __getitem__(self, key):
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@ -57,11 +58,11 @@ class Env(dict):
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res = self.obj.browse(self.cr, self.uid, self.id)
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return res[key]
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else:
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return super(Env, self).__getitem__(key)
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return super(Environment, self).__getitem__(key)
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def wkf_expr_eval_expr(session, record, workitem, lines):
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"""
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Evaluate each line of ``lines`` with the ``Env`` environment, returning
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Evaluate each line of ``lines`` with the ``Environment`` environment, returning
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the value of the last line.
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"""
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assert lines, 'You used a NULL action in a workflow, use dummy node instead.'
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@ -75,7 +76,7 @@ def wkf_expr_eval_expr(session, record, workitem, lines):
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elif line == 'False':
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result = False
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else:
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env = Env(session.cr, session.uid, record.model, record.id)
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env = Environment(session, record)
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result = eval(line, env, nocopy=True)
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return result
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@ -115,193 +116,205 @@ def wkf_expr_check(session, record, workitem, transition, signal):
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return wkf_expr_eval_expr(session, record, workitem, transition['condition'])
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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class WorkflowItem(object):
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def __init__(self, session, record):
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assert isinstance(session, Session)
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assert isinstance(record, Record)
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self.session = session
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self.record = record
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def create(self, activities, instance_id, stack):
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assert isinstance(activities, list)
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assert isinstance(instance_id, (long, int))
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assert isinstance(stack, list)
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cr = self.session.cr
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for activity in activities:
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cr.execute("select nextval('wkf_workitem_id_seq')")
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id_new = cr.fetchone()[0]
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cr.execute("insert into wkf_workitem (id,act_id,inst_id,state) values (%s,%s,%s,'active')", (id_new, activity['id'], instance_id))
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cr.execute('select * from wkf_workitem where id=%s',(id_new,))
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work_item = cr.dictfetchone()
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logger.info('Created workflow item in activity %s',
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activity['id'],
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extra={'ident': (self.session.uid, self.record.model, self.record.id)})
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def create(session, record, activities, instance_id, stack):
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assert isinstance(session, Session)
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assert isinstance(record, Record)
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assert isinstance(activities, list)
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assert isinstance(instance_id, (long, int))
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assert isinstance(stack, list)
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cr = session.cr
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self.process(work_item, stack=stack)
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for activity in activities:
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cr.execute("select nextval('wkf_workitem_id_seq')")
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id_new = cr.fetchone()[0]
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cr.execute("insert into wkf_workitem (id,act_id,inst_id,state) values (%s,%s,%s,'active')", (id_new, activity['id'], instance_id))
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cr.execute('select * from wkf_workitem where id=%s',(id_new,))
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work_item = cr.dictfetchone()
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logger.info('Created workflow item in activity %s',
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activity['id'],
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extra={'ident': (session.uid, record.model, record.id)})
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def process(self, workitem, signal=None, force_running=False, stack=None):
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assert isinstance(workitem, dict)
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assert isinstance(force_running, bool)
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process(session, record, work_item, stack=stack)
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# return _process(self.session, self.record, work_item, signal=signal, force_running=force_running, stack=stack)
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# assert isinstance(force_running, bool)
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def process(session, record, workitem, signal=None, force_running=False, stack=None):
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assert isinstance(session, Session)
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assert isinstance(record, Record)
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assert isinstance(force_running, bool)
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assert stack is not None
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assert stack is not None
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cr = self.session.cr
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cr = session.cr
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cr.execute('select * from wkf_activity where id=%s', (workitem['act_id'],))
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activity = cr.dictfetchone()
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cr.execute('select * from wkf_activity where id=%s', (workitem['act_id'],))
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activity = cr.dictfetchone()
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triggers = False
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if workitem['state'] == 'active':
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triggers = True
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if not self._execute(workitem, activity, stack):
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return False
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triggers = False
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if workitem['state'] == 'active':
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triggers = True
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if not _execute(session, record, workitem, activity, stack):
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return False
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if force_running or workitem['state'] == 'complete':
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ok = self._split_test(workitem, activity['split_mode'], signal, stack)
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triggers = triggers and not ok
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if force_running or workitem['state'] == 'complete':
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ok = _split_test(session, record, workitem, activity['split_mode'], signal, stack)
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triggers = triggers and not ok
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if triggers:
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cr.execute('select * from wkf_transition where act_from=%s', (workitem['act_id'],))
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for trans in cr.dictfetchall():
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if trans['trigger_model']:
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ids = wkf_expr_eval_expr(self.session, self.record, workitem, trans['trigger_expr_id'])
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for res_id in ids:
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cr.execute('select nextval(\'wkf_triggers_id_seq\')')
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id =cr.fetchone()[0]
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cr.execute('insert into wkf_triggers (model,res_id,instance_id,workitem_id,id) values (%s,%s,%s,%s,%s)', (trans['trigger_model'],res_id,workitem['inst_id'], workitem['id'], id))
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if triggers:
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cr.execute('select * from wkf_transition where act_from=%s', (workitem['act_id'],))
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for trans in cr.dictfetchall():
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if trans['trigger_model']:
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ids = wkf_expr_eval_expr(session, record, workitem, trans['trigger_expr_id'])
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for res_id in ids:
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cr.execute('select nextval(\'wkf_triggers_id_seq\')')
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id =cr.fetchone()[0]
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cr.execute('insert into wkf_triggers (model,res_id,instance_id,workitem_id,id) values (%s,%s,%s,%s,%s)', (trans['trigger_model'],res_id,workitem['inst_id'], workitem['id'], id))
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return True
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# ---------------------- PRIVATE FUNCS --------------------------------
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def _state_set(session, record, workitem, activity, state):
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session.cr.execute('update wkf_workitem set state=%s where id=%s', (state, workitem['id']))
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workitem['state'] = state
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logger.info('Changed state of work item %s to "%s" in activity %s',
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workitem['id'], state, activity['id'],
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extra={'ident': (session.uid, record.model, record.id)})
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def _execute(session, record, workitem, activity, stack):
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"""Send a signal to parenrt workflow (signal: subflow.signal_name)"""
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result = True
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cr = session.cr
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signal_todo = []
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if (workitem['state']=='active') and activity['signal_send']:
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cr.execute("select i.id,w.osv,i.res_id from wkf_instance i left join wkf w on (i.wkf_id=w.id) where i.id IN (select inst_id from wkf_workitem where subflow_id=%s)", (workitem['inst_id'],))
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for instance_id, model_name, record_id in cr.fetchall():
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record = Record(model_name, record_id)
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signal_todo.append((instance_id, record, activity['signal_send']))
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if activity['kind']=='dummy':
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if workitem['state']=='active':
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_state_set(session, record, workitem, activity, 'complete')
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if activity['action_id']:
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res2 = wkf_expr_execute_action(session, record, workitem, activity)
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if res2:
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stack.append(res2)
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result=res2
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elif activity['kind']=='function':
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if workitem['state']=='active':
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_state_set(session, record, workitem, activity, 'running')
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returned_action = wkf_expr_execute(session, record, workitem, activity)
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if type(returned_action) in (dict,):
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stack.append(returned_action)
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if activity['action_id']:
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res2 = wkf_expr_execute_action(session, record, workitem, activity)
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# A client action has been returned
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if res2:
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stack.append(res2)
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result=res2
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_state_set(session, record, workitem, activity, 'complete')
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elif activity['kind']=='stopall':
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if workitem['state']=='active':
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_state_set(session, record, workitem, activity, 'running')
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cr.execute('delete from wkf_workitem where inst_id=%s and id<>%s', (workitem['inst_id'], workitem['id']))
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if activity['action']:
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wkf_expr_execute(session, record, workitem, activity)
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_state_set(session, record, workitem, activity, 'complete')
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elif activity['kind']=='subflow':
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if workitem['state']=='active':
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_state_set(session, record, workitem, activity, 'running')
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if activity.get('action', False):
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id_new = wkf_expr_execute(session, record, workitem, activity)
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if not id_new:
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cr.execute('delete from wkf_workitem where id=%s', (workitem['id'],))
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return False
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assert type(id_new)==type(1) or type(id_new)==type(1L), 'Wrong return value: '+str(id_new)+' '+str(type(id_new))
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cr.execute('select id from wkf_instance where res_id=%s and wkf_id=%s', (id_new,activity['subflow_id']))
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id_new = cr.fetchone()[0]
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else:
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id_new = instance.create(session, record, activity['subflow_id'])
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cr.execute('update wkf_workitem set subflow_id=%s where id=%s', (id_new, workitem['id']))
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workitem['subflow_id'] = id_new
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if workitem['state']=='running':
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cr.execute("select state from wkf_instance where id=%s", (workitem['subflow_id'],))
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state= cr.fetchone()[0]
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if state=='complete':
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_state_set(session, record, workitem, activity, 'complete')
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for instance_id, record, signal_send in signal_todo:
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instance.validate(session, record, signal_send, force_running=True)
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return result
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def _split_test(session, record, workitem, split_mode, signal, stack):
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cr = session.cr
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cr.execute('select * from wkf_transition where act_from=%s', (workitem['act_id'],))
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test = False
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transitions = []
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alltrans = cr.dictfetchall()
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if split_mode=='XOR' or split_mode=='OR':
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for transition in alltrans:
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if wkf_expr_check(session, record, workitem, transition,signal):
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test = True
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transitions.append((transition['id'], workitem['inst_id']))
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if split_mode=='XOR':
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break
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else:
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test = True
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for transition in alltrans:
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if not wkf_expr_check(session, record, workitem, transition,signal):
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test = False
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break
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cr.execute('select count(*) from wkf_witm_trans where trans_id=%s and inst_id=%s', (transition['id'], workitem['inst_id']))
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if not cr.fetchone()[0]:
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transitions.append((transition['id'], workitem['inst_id']))
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if test and len(transitions):
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cr.executemany('insert into wkf_witm_trans (trans_id,inst_id) values (%s,%s)', transitions)
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cr.execute('delete from wkf_workitem where id=%s', (workitem['id'],))
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for t in transitions:
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_join_test(session, record, t[0], t[1], stack)
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return True
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return False
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def _join_test(session, record, trans_id, inst_id, stack):
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cr = session.cr
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cr.execute('select * from wkf_activity where id=(select act_to from wkf_transition where id=%s)', (trans_id,))
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activity = cr.dictfetchone()
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if activity['join_mode']=='XOR':
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create(session, record, [activity], inst_id, stack)
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cr.execute('delete from wkf_witm_trans where inst_id=%s and trans_id=%s', (inst_id,trans_id))
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else:
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cr.execute('select id from wkf_transition where act_to=%s', (activity['id'],))
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trans_ids = cr.fetchall()
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ok = True
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for (id,) in trans_ids:
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cr.execute('select count(*) from wkf_witm_trans where trans_id=%s and inst_id=%s', (id,inst_id))
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res = cr.fetchone()[0]
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if not res:
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ok = False
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break
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if ok:
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def _execute(self, workitem, activity, stack):
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"""Send a signal to parenrt workflow (signal: subflow.signal_name)"""
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result = True
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cr = self.session.cr
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signal_todo = []
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if (workitem['state']=='active') and activity['signal_send']:
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# signal_send']:
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cr.execute("select i.id,w.osv,i.res_id from wkf_instance i left join wkf w on (i.wkf_id=w.id) where i.id IN (select inst_id from wkf_workitem where subflow_id=%s)", (workitem['inst_id'],))
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for instance_id, model_name, record_id in cr.fetchall():
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record = Record(model_name, record_id)
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signal_todo.append((instance_id, record, activity['signal_send']))
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if activity['kind'] == WorkflowActivity.KIND_DUMMY:
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if workitem['state']=='active':
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self._state_set(workitem, activity, 'complete')
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if activity['action_id']:
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res2 = wkf_expr_execute_action(self.session, self.record, workitem, activity)
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if res2:
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stack.append(res2)
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result=res2
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elif activity['kind'] == WorkflowActivity.KIND_FUNCTION:
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if workitem['state']=='active':
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self._state_set(workitem, activity, 'running')
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returned_action = wkf_expr_execute(self.session, self.record, workitem, activity)
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if type(returned_action) in (dict,):
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stack.append(returned_action)
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if activity['action_id']:
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res2 = wkf_expr_execute_action(self.session, self.record, workitem, activity)
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# A client action has been returned
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if res2:
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stack.append(res2)
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result=res2
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self._state_set(workitem, activity, 'complete')
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elif activity['kind'] == WorkflowActivity.KIND_STOPALL:
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if workitem['state']=='active':
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self._state_set(workitem, activity, 'running')
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cr.execute('delete from wkf_workitem where inst_id=%s and id<>%s', (workitem['inst_id'], workitem['id']))
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if activity['action']:
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wkf_expr_execute(self.session, self.record, workitem, activity)
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self._state_set(workitem, activity, 'complete')
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elif activity['kind'] == WorkflowActivity.KIND_SUBFLOW:
|
||||
|
||||
if workitem['state']=='active':
|
||||
|
||||
self._state_set(workitem, activity, 'running')
|
||||
if activity.get('action', False):
|
||||
id_new = wkf_expr_execute(self.session, self.record, workitem, activity)
|
||||
if not id_new:
|
||||
cr.execute('delete from wkf_workitem where id=%s', (workitem['id'],))
|
||||
return False
|
||||
assert type(id_new)==type(1) or type(id_new)==type(1L), 'Wrong return value: '+str(id_new)+' '+str(type(id_new))
|
||||
cr.execute('select id from wkf_instance where res_id=%s and wkf_id=%s', (id_new,activity['subflow_id']))
|
||||
id_new = cr.fetchone()[0]
|
||||
else:
|
||||
id_new = instance.create(self.session, self.record, activity['subflow_id'])
|
||||
cr.execute('update wkf_workitem set subflow_id=%s where id=%s', (id_new, workitem['id']))
|
||||
workitem['subflow_id'] = id_new
|
||||
|
||||
if workitem['state']=='running':
|
||||
cr.execute("select state from wkf_instance where id=%s", (workitem['subflow_id'],))
|
||||
state= cr.fetchone()[0]
|
||||
if state=='complete':
|
||||
self._state_set(workitem, activity, 'complete')
|
||||
|
||||
for instance_id, record, signal_send in signal_todo:
|
||||
instance.validate(self.session, self.record, signal_send, force_running=True)
|
||||
|
||||
return result
|
||||
|
||||
def _state_set(self, workitem, activity, state):
|
||||
self.session.cr.execute('update wkf_workitem set state=%s where id=%s', (state, workitem['id']))
|
||||
workitem['state'] = state
|
||||
logger.info('Changed state of work item %s to "%s" in activity %s',
|
||||
workitem['id'], state, activity['id'],
|
||||
extra={'ident': (self.session.uid, self.record.model, self.record.id)})
|
||||
|
||||
|
||||
|
||||
|
||||
def _split_test(self, workitem, split_mode, signal, stack):
|
||||
cr = self.session.cr
|
||||
cr.execute('select * from wkf_transition where act_from=%s', (workitem['act_id'],))
|
||||
test = False
|
||||
transitions = []
|
||||
alltrans = cr.dictfetchall()
|
||||
|
||||
if split_mode in ('XOR', 'OR'):
|
||||
for transition in alltrans:
|
||||
if wkf_expr_check(self.session, self.record, workitem, transition,signal):
|
||||
test = True
|
||||
transitions.append((transition['id'], workitem['inst_id']))
|
||||
if split_mode=='XOR':
|
||||
break
|
||||
else:
|
||||
test = True
|
||||
for transition in alltrans:
|
||||
if not wkf_expr_check(self.session, self.record, workitem, transition,signal):
|
||||
test = False
|
||||
break
|
||||
cr.execute('select count(*) from wkf_witm_trans where trans_id=%s and inst_id=%s', (transition['id'], workitem['inst_id']))
|
||||
if not cr.fetchone()[0]:
|
||||
transitions.append((transition['id'], workitem['inst_id']))
|
||||
|
||||
if test and transitions:
|
||||
cr.executemany('insert into wkf_witm_trans (trans_id,inst_id) values (%s,%s)', transitions)
|
||||
cr.execute('delete from wkf_workitem where id=%s', (workitem['id'],))
|
||||
for t in transitions:
|
||||
self._join_test(t[0], t[1], stack)
|
||||
return True
|
||||
return False
|
||||
|
||||
def _join_test(self, trans_id, inst_id, stack):
|
||||
cr = self.session.cr
|
||||
cr.execute('select * from wkf_activity where id=(select act_to from wkf_transition where id=%s)', (trans_id,))
|
||||
activity = cr.dictfetchone()
|
||||
if activity['join_mode']=='XOR':
|
||||
self.create([activity], inst_id, stack)
|
||||
cr.execute('delete from wkf_witm_trans where inst_id=%s and trans_id=%s', (inst_id,trans_id))
|
||||
else:
|
||||
cr.execute('select id from wkf_transition where act_to=%s', (activity['id'],))
|
||||
trans_ids = cr.fetchall()
|
||||
ok = True
|
||||
for (id,) in trans_ids:
|
||||
cr.execute('delete from wkf_witm_trans where trans_id=%s and inst_id=%s', (id,inst_id))
|
||||
create(session, record, [activity], inst_id, stack)
|
||||
cr.execute('select count(*) from wkf_witm_trans where trans_id=%s and inst_id=%s', (id,inst_id))
|
||||
res = cr.fetchone()[0]
|
||||
if not res:
|
||||
ok = False
|
||||
break
|
||||
if ok:
|
||||
for (id,) in trans_ids:
|
||||
cr.execute('delete from wkf_witm_trans where trans_id=%s and inst_id=%s', (id,inst_id))
|
||||
self.create([activity], inst_id, stack)
|
||||
|
||||
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue