Brilliant, thank you Justin .. that's helped explain two very confusing
issues for me.
So in general would it be considered good practice to include import
maya.cmds as cmds etc at the top of every module or is this wasteful ?
Thanks
ben
On Tuesday, September 18, 2012 8:57:35 PM UTC+5:30, Justin Israel wrote:
>
> For the print statement, I believe the script editor is not yet connected
> to stdout at the time you call print in userSetup.py
> If, for instance, you check the Console app on OSX you will see those
> print statements when you start Maya. If you were to print deferred until
> the next idle moment, then you would see them in the Script Editor:
>
> import maya.utils
> maya.utils.executeDeferred('print "FOO"')
>
> You are correct in your second question that it is a matter of scope.
> Python modules each have their own scope. You must explicitly import other
> modules to bring them into scope. They will only import once per app, as
> subsequent imports will just lookup the name.
> userSetup.py is not imported into Maya. It is executed into Maya's global
> app namespace, which is the same namespace as the script editor. If you
> include import statements in userSetup.py, they will be available from the
> Script Editor. But your other scripts always need to import them. This is
> more of a general python matter as opposed to being Maya-specific.
> I add the import statements to my userSetup for convenience when
> developing, so that I don't have to constantly import them to the script
> editor each time.
>
>
>
> On Sep 18, 2012, at 1:59 AM, ben cowell-thomas wrote:
>
> Hello,
>
> A basic question that has me stumped. I'm using userSetup.py and I'm
> confused about scope. I've probably overcomplicated a simple task .. but
> I'm trying to understand how userSetup.py works so I've put part of my
> setup into a module.
>
> userSetup.py contains the following:
>
> import maya.cmds as cmds
> print "--- Executing C:\Users\ben.c\Documents\maya\scripts\userSetup.py
> ---"
> import eclipseConnection
> eclipseConnection.startUpFunc()
>
> eclipseConnection.py contains:
>
> import maya.utils as utils
>
> def startUpFunc():
> print "--- Executing
> C:\Users\ben.c\Documents\maya\scripts\eclipseConnection.py ---"
> if cmds.commandPort(':7720', q=True) !=1:
> cmds.commandPort(n=':7720', eo = False, nr = True)
>
> Firstly I don't ever see the result of the print commands on startup. Is
> this normal ?
>
> Secondly and more importantly I find that when troubleshooting, if I
> manually execute eclipseConnection.startUpFunc() after startup, Maya
> reports:
>
> # Error: NameError: global name 'cmds' is not defined #
>
> Now I would expect cmds to work fine within eclipseConnection as if I type
> 'cmds' manually I see:
>
> # Result: <module 'maya.cmds' from 'C:\Program
> Files\Autodesk\Maya2011\Python\lib\site-packages\maya\cmds\__init__.py'> #
>
>
> My questions are .. why don't I see the result of the print commands on
> startup (even though I know userSetup.py is running as cmds exists), and
> secondly why can't my module access maya.cmds even though I believe it be
> defined globablly ?
>
> thank you
> ben
>
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