Re: [Maya-Python] Re: Issues unloading plugin despite custom nodes being removed

[Gerard Van Ommen Kloeke]

Thanks everyone for the assistance. Djx won the day with his recommendation
to flush the undoQueue. (Cedric also).
This issue is resolved now

On Wed, 10 Jun 2020 at 06:51, Cedric Bazillou 
wrote:

> I think you might need as well toclear the undoStack and remove the custom
> data
> you can procedurally discover what a plugin expose with *pluginIn*fo
> 
>  ( *dependNode, data etc)*
>
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[Maya-Python] Re: Issues unloading plugin despite custom nodes being removed

[Cedric Bazillou]

I think you might need as well toclear the undoStack and remove the custom 
data
you can procedurally discover what a plugin expose with *pluginIn*fo 

 ( *dependNode, data etc)*

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[Maya-Python] Re: Issues unloading plugin despite custom nodes being removed

[Cedric Bazillou]

On Monday, 8 June 2020 20:28:26 UTC-7, ger...@flyingbark.com.au wrote:
>
>
> Hello.  I posted this on the ngSkinTools forum but wanted to widen the net 
> a little as I'm not sure if its a Maya issue or a problem with the 3rd 
> party tool. 
>
> I get this:
> // Error: file: C:/Program 
> Files/Autodesk/Maya2017/scripts/others/pluginWin.mel line 1429: Plug-in, 
> "ngSkinTools", cannot be unloaded because it defines a MPxData derived type 
> that is still in use. // 
>
> I'm using Maya 2017 v5 and NG 1.7.9 in production and we are hitting a 
> problem where the 'requires' line for NG in the maya ascii file header 
> still exists ( *requires -dataType "ngSkinLayerDataStorage" "ngSkinTools" 
> "1.7.9" )* despite the custom nodes being removed from the scene.
>
> This is causing problems with files failing to open as NG is not currently 
> permitted as part of our studio environment (they are weary of 3rd Party 
> tools - but a few of us absolutely love NG's workflow and can't go back to 
> Maya's paleolithic solution)
>
> Currently I have written something that saves out the file as ma then line 
> by line removes the requires lines but it has to rewrite the entire file 
> and they can be big, then the file needs to be reopened. I need another 
> solution. Note that when the header is removed, the file reopens fine so to 
> my mind it appears to be possibly an issue of something in memory. Also 
> when the file has its custom nodes removed and is saved (with header 
> intact), opening the file again and unplugging the tool is successful - 
> again making me think its something stuck in the mayas memory for that 
> session..?
>
>
> Any advice appreciated.
>
> Gerard.
>

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