changing path to references witha callback

[Michał Frątczak]

Hi

We move maya scenes between linux and windows machines.
When linux references a file it uses UNC paths like: /server/project/file.ext
whereas windows needs double slash in front: //server/project/file.ext

I have a MSceneMessage.kBeforeSave callback that fixes paths on texture nodes (ensures leading //).
I remember having done similar thing with references too, but I lost the script and can't recall details... any hints how to change path to reference ?

Here is my texture fixing code:

def addFirstSlash(i_str):
    if i_str[0] == '/' and i_str[1] != '/':
        return '/' + i_str
    return i_str

def mf_MSceneMessage_BeforeSave_CB(*args, **kwargs):
    for f in mc.ls(type='file'):
        mc.setAttr(f + '.ftn', addFirstSlash(mc.getAttr(f + '.ftn')), type='string')

om.MSceneMessage.addCallback(om.MSceneMessage.kBeforeSave, mf_MSceneMessage_BeforeSave_CB)

[Mahendra Gangaiwar]

I think better approach here would be make use of "dirmap" command, so you could map Linux to Windows and vice versa..

Something like this:

dirmap("//server", "/server");
dirmap("/server", "//server");

Try running above command, and open file, all references and texture paths should remapped automatically by Maya.

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Best,

-M

[f.michal]

Yeah, dirmap is better. If only I could remember how I did it last time :)
Will use dirmap() from now on, thanks !


W dniu 29.11.2017 o 18:12, Mahendra Gangaiwar pisze:

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[Robert White]

MSceneMessage.addCheckFileCallback with kBeforeLoadReferenceCheck should get you what you want. 

You'll get a reference to the file object before the reference has been loaded, and you should be able to tweak and update the file paths from there. 

I've used this in the past to fix issues where some machines were replacing environment variables with the full path.

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Best,

-M

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[Michał Frątczak]

Thanks !

This linked me to http://forums.cgsociety.org/showthread.php?t=968717

Which is precisely what I needed.

cheers

-michal