On Tue, May 14, 2019 at 9:13 AM <[email protected]> wrote:
> Hello all!
>
> I am much newer to scripting in Python and my experience is almost
> exclusively limited to writing tools for use in a Maya production pipeline
> for which I am the exclusive author. So please excuse the rudimentary
> nature of the code! I am learning best practices as I go. :)
>
> Here is my issue: I have a "toolsMain" script which I use to call
> functions from a "userInterfaceElements" script for UI element creation.
> From there, the commands on the buttons and widgets will call functions
> from a "modelingTools" script which I import as "MOD". When I run the
> scripts in Maya, the UI loads correctly, but when I press the "Merge"
> button on the UI window I get the following error: # Error: NameError: file
> <maya console> line 1: name 'MOD' is not defined #
>
> But I know it does. I have quadruple checked my spelling and syntax
> multiple times, and I am beginning to think something is happening that I
> don't quite understand and haven't seen before. I have successfully
> imported scripts, passed arguments between scripts and functions in the
> past, but this seems new and different and I can't quite figure it out. Any
> help would be greatly appreciated!!! Thanks in advance!
>
> The code for the 3 scripts is below in its simplest form for cut and paste
> purposes:
>
> "toolsMain.py"
> [python]
> import maya.cmds as mc
> import userInterfaceElements as ELEM
> reload (ELEM)
>
> def toolsMain ():
> if (mc.window("toolsWindowMain", exists = True)):
> mc.deleteUI("toolsWindowMain")
> toolsWindow = mc.window(title="Tools Window", iconName= "toolsWindow",
> widthHeight=(400, 500))
> scrollMain = mc.scrollLayout("ScrollLayoutMain_01", w=390, hst=16,
> vst=16)
> tabsMain = mc.tabLayout("TabLayoutMain_01", imw=5, imh=5)
>
> ##TAB 1 - Main
> tab_1 = ELEM.stdColumnLayout("ColumnLayout_01", "TabLayoutMain_01")
>
> ## Modeling Frame ##
> ELEM.stdFrameLayout("ModelingFrame_01", "ColumnLayout_01", "Modeling")
> ELEM.stdRowColumnLayout("ModelingRowColumn_01", "ModelingFrame_01")
>
> #Modeling Buttons
> ELEM.modelingButton("MergeButton_01", "Merge", "merge",
> "MOD.doMergeWindow()")
>
> #Organize Tabs
> mc.tabLayout(tabsMain, edit=True, tabLabel=((tab_1, "Main")))
>
> mc.showWindow(toolsWindow)
> [/python]
>
> "userInterfaceElements.py"
> [python]
> import maya.cmds as mc
> import modelingTools as MOD
> reload (MOD)
>
> def stdColumnLayout(name, daddy): #(name, parent)
> mc.columnLayout(name, parent=daddy, rowSpacing=5, columnWidth=390)
> return name
>
> def stdFrameLayout(name, daddy, callIt): #(name, parent, label)
> mc.frameLayout(name, parent=daddy, label=callIt, borderVisible=True,
> collapsable=True, width=390)
>
> def stdRowColumnLayout(name, daddy): #(name, parent)
> mc.rowColumnLayout(name, parent=daddy, numberOfColumns=3,
> rowSpacing=[10, 5])
>
> def modelingButton(name, callIt, tip, runIt): #(name, label, annotation,
> command)
> toolTip = "DEFAULT"
> mc.button(name, parent="ModelingRowColumn_01", label=callIt,
> annotation=toolTip, command=runIt, enableBackground=True,
> backgroundColor=[0.68, 0.76, 0.66], width=125, height=30)
> [/python]
>
> "modelingTools.py"
> [python]
> def doMergeWindow ():
> print "POPPING UP A MERGE WINDOW NOW..."
> [/python]
>
I would recommend switching to passing python objects as your callbacks
instead of strings that have to be evaluated:
This:
command=MOD.doMergeWindow
Instead of this:
command="MOD.doMergeWindow()"
If you pass a string, you are relying on the python scopes to be correct at
the time the command string is evaluated. But if you already have MOD
imported, it is much more reliable to just pass the reference to the
function (dont call it; just pass the object).
Also I would recommend removing the reload() from the top of your
production scripts. It is also a source of headaches and should only be
used for testing.
>
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