I do something like
def maya_main_window():
main_window_ptr = OpenMayaUI.MQtUtil.mainWindow()
return wrapInstance(long(main_window_ptr), QtGui.QWidget)
class TestTool(QtGui.QDialog):
def __init__(self, parent=maya_main_window()):
super(TestTool, self).__init__(parent)
I´ll tomorrow at work window.setAttribute(QtCore.Qt.WA_DeleteOnClose)
R
El martes, 25 de abril de 2017, 20:42:23 (UTC+1), Justin Israel escribió:
>
>
>
> On Wed, Apr 26, 2017, 4:17 AM Rudi Hammad <[email protected]
> <javascript:>> wrote:
>
>> Hi,
>> I am using Pyside. I don´t use any globals. I open the ui with .show().
>> And I close with cmds.deleteUI() if the windows exists.
>> Not all the widgets are parented to the UI, because that UI have widgets
>> like buttons that launch other smallet UIs.
>>
>
> Are toy parenting your top level window to the Maya Main window? It is a
> common error that I see people doing, where they create windows that are
> parented to Maya and then let the reference go. When users close them, they
> remain alive.
>
> You could tell your top level window to delete itself when a user closed it
>
> window.setAttribute(QtCore.Qt.WA_DeleteOnClose)
>
> But you did say you are deleting previous instances when you launch a new
> one, and garbage still continues to increase? That would imply you have
> something holding onto references and/or your delete is not finding the
> previous window as you expect.
>
>
>
>> R
>>
>>
>> El martes, 25 de abril de 2017, 14:53:59 (UTC+1), thirstydevil escribió:
>>
>>> You shouldn't need to gc.collect() in python. When the instances
>>> reference count goes to 0 then at some point in the future pythons garbage
>>> collection will kick in. If you are holding onto references then this
>>> could account for the memory bloat. But if you are patient you might also
>>> see python clean up after itself.
>>>
>>> How are you building the UI? PySide? Are you using a lot of globals?
>>> How are you closing and opening the UI? Are you parenting all you widgets
>>> into the UI?
>>>
>>> -Dave
>>>
>>>
>>> On Tue, Apr 25, 2017 at 2:19 PM, Rudi Hammad <[email protected]> wrote:
>>>
>>>> Hello,
>>>> I am developing a rig builder tool for the studio that is quite heavy,
>>>> and after running the UI I checked the garbage collection and I get a
>>>> result of gc.collect() -->322. If I run the UI 3 times, then the
>>>> gc.collect() -->955
>>>>
>>>> I don´t know much about memory performance so I wonder if this
>>>> happening because my code is not clean enough or if this normal while
>>>> programming a code with a lot a variables and objects?
>>>> Should I just do gc.collect() at the end of the script to clean things
>>>> up?
>>>>
>>>> thank you
>>>>
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>>>
>>>
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>>>
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