Hi Chad, Thanks indeed, this saved me long hours this night.
Have a nice day, Martin 2009/5/8, Chad Dombrova <[email protected]>: > > it must have to do with what scope the "python" mel command is run > in. the most straightforward solution is to format the eval'd mel > string with the variable value: > > mel.eval('AEnewNonNumericMultiAddNewItem("%s", "input3D");' % tmp ) > > > alternately, if you're using pymel, you can just pass the value as if > it were a python script: > > pymel.mel.AEnewNonNumericMultiAddNewItem( tmp, 'input3D' ) > > pymel will save you a lot of formatting head-ache when you start > passing string arrays, vectors, etc. > > -chad > > > > > > > > On May 8, 2009, at 9:48 AM, mputtkam wrote: > >> >> Hi, >> >> This is about passing python vars to mel using an externally sourced >> python script in maya 2008: >> Simplified example: >> >> import maya.cmds as cmds >> import maya.mel as mel >> >> joints = [] >> for i in range(5): >> joints.append(cmds.joint()) >> >> def test(): >> global tmp >> for i in range(5): >> tmp = joints[i] + '_sum_up_inputs_calc' >> cmds.shadingNode('plusMinusAverage', asUtility = 1, name = >> tmp) >> mel.eval('string $tmp = python("tmp")') >> mel.eval('AEnewNonNumericMultiAddNewItem($tmp, "input3D");') >> test() >> >> Paste it in Maya. It should work. At least it does for me. However, it >> does not work for me, when I source it via the usual import/reload >> procedure using an external .py. Maya will then read: "Tmp not >> defined". >> >> I do not get it. I go crazy over it, because it does not make sense. >> Paste directly, works. Source externally, does not. I tried putting >> global tmp all over the place, but that did not help either. If I >> source the script twice, the previously errored utility will suddenly >> have four(!) inputs, while the other new ones will not have any. >> That's weird for sure. I do not know what else to try to get this >> working... >> >> Help is much appreciated. >> Martin >> >> Thanks, >> Martin >> >> > > > > > > --~--~---------~--~----~------------~-------~--~----~ http://groups.google.com/group/python_inside_maya -~----------~----~----~----~------~----~------~--~---
