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Message #30327
[Bug 819872] Re: server actions of type "trigger" cause crashes
Let x be how many 2-lines fixes you can process in a week.
Now let's pretend that this 2-lines fix is the (x+1)th...
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https://bugs.launchpad.net/bugs/819872
Title:
server actions of type "trigger" cause crashes
Status in OpenERP Server:
New
Bug description:
Hi!
I create two objects, A and B. A has a many2one field to B called
B_id.
A and B have an associated workflow each. I want a transition on B's
workflow to be triggered by a modification on the workflow of A.
Here is the server action I created for this purpose:
<record id="ir_actions_server_confirmB" model="ir.actions.server">
<field name="trigger_obj_id" ref="mymodule.field_mymodule_A_B_id"/>
<field name="wkf_model_id" ref="mymodule.model_mymodule_B"/>
<field name="state">trigger</field>
<field name="type">ir.actions.server</field>
<field name="model_id" ref="mymodule.model_mymodule_A"/>
<field name="trigger_name">mymodule.B</field>
<field name="condition">True</field>
<field name="name">Confirm B</field>
</record>
Remark: the line <field name="trigger_name">mymodule.B</field> already seems strange, but I have no choice (and it was generated like that by the module recorder); see infra for details.
Then I add this in the definition of one of the activities of A's workflow (call it "A_Act"):
<field name="action_id" model="ir.actions.server"
ref="ir_actions_server_confirmB"/>
Then I run the server. I create a record of type "A". Its "B_id" field references a B record already created; for the sake of the example, let us assume that this record has the id "2" and its field "name" has the value "B_Name".
In summary :
A instance: {"B_id":2}
B instance: {"id":9 , "name":"B_Name"}
I trigger the transitions on A's workflow until the moment I reach the
activity "A_Act".
At this moment I get the following error:
TypeError: int() argument must be a string or a number, not 'tuple'
> /home/fde/repository/openobject-server_trunk/openerp/addons/base/ir/ir_actions.py(666)run()
-> wf_service.trg_validate(uid, model, int(id), action.trigger_name, cr)
(Pdb) model
u'mymodule.B'
(Pdb) id
(2, u'B_Name')
(Pdb)
I managed to get no error when I modified "int(id)" to "int(id[0])".
However it still does not work because there is something wrong in the
definition of the server action. That is the following function (line
436):
def _select_signals(self, cr, uid, context=None):
cr.execute("SELECT distinct w.osv, t.signal FROM wkf w, wkf_activity a, wkf_transition t \
WHERE w.id = a.wkf_id AND t.act_from = a.id OR t.act_to = a.id AND t.signal!='' \
AND t.signal NOT IN (null, NULL)")
result = cr.fetchall() or []
res = []
for rs in result:
if rs[0] is not None and rs[1] is not None:
line = rs[0], "%s - (%s)" % (rs[1], rs[0])
res.append(line)
return res
And the field "trigger_name" is defined as follows:
'trigger_name': fields.selection(_select_signals, ...........
Of course, the value of the selection will be something like [('osv object','signal')] but it should be the opposite!!! The signal is not
"mymodule.B" but well something like "signal_confirm_B".
And indeed, I confirm it works if I write "SELECT distinct
t.signal,w.osv..." instead. Of course, I also changed my server
action:
<field name="trigger_name">signal_name</field>
instead of
<field name="trigger_name">mymodule.B</field>
trunk rev 3524
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References