Ok thanks for your test Justin !
It's possible top considerate that a bug of attribute string ?
Le jeudi 13 août 2020 à 10:32:42 UTC+2, justin...@gmail.com a écrit :
> I have no explanation, but it seems that once you connect the
> addNodeDirtyPlugCallback, it causes the connected attribute of the second
> node to not update its value until the second time you set it. I've tried 2
> versions of maya and it is the same behaviour.
>
>
> On Wed, Aug 12, 2020 at 9:23 PM Rémi Deletrain <remi.de...@gmail.com>
> wrote:
>
>> Hi !
>>
>> I reiterate because in fact the problem is not completely resolved.
>>
>> ```
>>
> from maya import cmds, OpenMaya, utils
>>
>> def qd_handle_attr_cb(mp):
>> print mp.adString()
>>
>> def qd_dirty_plug_cb(mo, mp, *args, **kwargs):
>> if OpenMaya.MFnAttribute(mp.attribute()).name() != 'fileName':
>> return
>> print mp.adString()
>> utils.executeDeferred(qd_handle_attr_cb, OpenMaya.MPlug(mp.node(),
>> mp.attribute()))
>>
>> cmds.addExtension(nodeType='transform', longName='fileName',
>> dataType='string')
>>
>> s_node_1 = cmds.createNode('transform')
>> s_node_2 = cmds.createNode('transform')
>> cmds.connectAttr('{0}.fileName'.format(s_node_1),
>> '{0}.fileName'.format(s_node_2))
>>
>> msl = OpenMaya.MSelectionList()
>> msl.add(s_node_2)
>> mo = OpenMaya.MObject()
>> msl.getDependNode(0, mo)
>>
>> i_call_back = OpenMaya.MNodeMessage.addNodeDirtyPlugCallback(mo,
>> qd_dirty_plug_cb)
>> # OpenMaya.MNodeMessage.removeCallback(i_call_back)
>> ```
>>
>> If I set* s_node_1.fileName* my callback is append but the value setted
>> on *s_node_2.fileName* is not valid. The attribute *s_node_2.fileName* has
>> a delay value.
>> You have solution for this case ?
>>
>> Le jeudi 6 août 2020 à 09:20:13 UTC+2, Rémi Deletrain a écrit :
>>
>>> Thanks Justin ! Your solution works.
>>>
>>> I did not know the utils module and the executeDeferred method ...
>>>
>>> Thank you again !
>>>
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