That's a python thing. There's a lot of discussion on eval vs exec as they're a pair of low level calls that end up exposed together. You also run into it a lot when embedding python. The biggest difference is return value. There are also potential differences in scope.
> On Apr 17, 2014, at 10:46 AM, Tim Crowson <[email protected]> wrote: > > I'm seeing another example that uses utils.executeDeferred() rather than > cmds.evalDeferred(). What's the difference between these two? > > >> On Thu, Apr 17, 2014 at 9:37 AM, Tony Barbieri <[email protected]> wrote: >> Np! I'll do my best to help out with additional questions :). This list is >> pretty active so I'm sure someone will be able to help. >> >> >>> On Thu, Apr 17, 2014 at 10:19 AM, Tim Crowson <[email protected]> wrote: >>> Gotcha! Thanks Tony! Nice to see a familiar face too. I'm sure I'll have >>> plenty more questions as I progress... >>> >>> >>>> On Thu, Apr 17, 2014 at 9:18 AM, Tony Barbieri <[email protected]> wrote: >>>> Hey Tim, >>>> >>>> You'll want to use evalDeferred. So for your example above, instead of >>>> calling buildMenu directly in the userSetup.py, call it like: >>>> >>>> >>>> # Defer our startup commands until after Maya has finished loading >>>> # completely. >>>> cmds.evalDeferred("buildMenu()") >>>> >>>> notice that "buildMenu()" is a string. >>>> >>>> >>>> >>>>> On Thu, Apr 17, 2014 at 10:08 AM, Tim Crowson <[email protected]> wrote: >>>>> Hello all, I'm a Softimage user needing to move over and get familiar >>>>> with Maya. I apologize in advance if I post any stupid questions. Does >>>>> this list have its own search function? I looked for one but couldn't >>>>> find any. >>>>> >>>>> I'm using Maya 2015 on Windows at the moment and I'm having trouble with >>>>> my userSetup.py file. Basically, I want to create a custom menu in the >>>>> menu bar at launch. After googling some tutorials on the matter, I have >>>>> code that works great when fired from the the script editor, but when run >>>>> at launch, it bombs. Basically my function to build the window is unable >>>>> to get a handle on the main Maya window... it gets returned as NoneType. >>>>> The relevant part of my code looks something like this: >>>>> >>>>> >>>>> def buildMenu(): >>>>> ptr = mui.MQtUtil.mainWindow() >>>>> mayaWindow = shiboken.wrapInstance(long(ptr), QtGui.QWidget) >>>>> >>>>> mainMenu = cmds.menu('MyMenu', p=mayaWindow, l='My Menu') >>>>> cmds.menuItem(p=mainMenu, d=True, dl='Some Divider') >>>>> cmds.menuItem(p=mainMenu, l='Some Tool') >>>>> >>>>> >>>>> The error comes from wrapInstance(long(ptr)), because ptr is being >>>>> returned as None. I'm unsure how to proceed. It basically seems as though >>>>> my code is getting run before the main window has initialized, so it >>>>> doesn't exist yet? >>>>> >>>>> Thank you for any assistance... >>>>> >>>>> -Tim Crowson >>>>> CG Lead, Magnetic Dreams >>>>> -- >>>>> You received this message because you are subscribed to the Google Groups >>>>> "Python Programming for Autodesk Maya" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send an >>>>> email to [email protected]. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/python_inside_maya/cf9a9f08-7a78-44c4-9a6e-c225f50424e4%40googlegroups.com. >>>>> For more options, visit https://groups.google.com/d/optout. >>>> >>>> >>>> >>>> -- >>>> -tony >>>> -- >>>> You received this message because you are subscribed to the Google Groups >>>> "Python Programming for Autodesk Maya" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/python_inside_maya/CAJhmvsQG0F%3D7Yd7dZMw5r%3DyAd-Zc034tpD3BgifKz2W1xN7YHw%40mail.gmail.com. >>>> >>>> For more options, visit https://groups.google.com/d/optout. >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Python Programming for Autodesk Maya" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/python_inside_maya/CAPh%3D1bmtn-sPEt4xMq4szOxKCtuUsABBNNa9LQ_Dq_OjzoeyOg%40mail.gmail.com. >>> >>> For more options, visit https://groups.google.com/d/optout. >> >> >> >> -- >> -tony >> -- >> You received this message because you are subscribed to the Google Groups >> "Python Programming for Autodesk Maya" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/python_inside_maya/CAJhmvsQw61H8%3DXKHNEhuUhPYWCFL6FOJxcUgPPvg%2Bb4sb0OZ7Q%40mail.gmail.com. >> >> For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "Python Programming for Autodesk Maya" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/python_inside_maya/CAPh%3D1bkQPmOaFUiES5hdsneA3HDj7KoyaYQUBX_MZPMYE2p5kA%40mail.gmail.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Python Programming for Autodesk Maya" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/python_inside_maya/6E9179D0-F7BF-497B-9B99-9B8AD96FDF1D%40fie.us. For more options, visit https://groups.google.com/d/optout.
