The getAttr function can tell you if an attribute is locked, or even
"settable":
https://help.autodesk.com/cloudhelp/2022/ENU/Maya-Tech-Docs/CommandsPython/getAttr.html
On Sun, Mar 26, 2023 at 9:05 AM SquashnStretch net <
squashnstret...@gmail.com> wrote:
> Hello everyone,
> I wrote (with a lot of difficulties :) my first python script where I
> wanted to create a locator constraint to any selected animated object, bake
> the anim and reverse the constraint , basically to easily change space if
> needed .....
> the script works well but only if the animated object has translate and
> rotate channels available, if they are locked or hidden, the script fails.
>
> Basically I dont know how to check first which channel is available and
> based on the result, constraint only available channels....
> hope it makes sense to you ....
>
> this is what I have so far and thanks in advance for any helps!
> ____________________________________
> import maya.cmds as mc
>
> #loc list
> userSel = []
> LocList = []
> len(userSel)
> # get the user selection
> sel = mc.ls(sl=1)
> userSel.append(sel)
>
> # create a loc for ech selected obj and constraint to it
> for obj in sel:
> if len(sel)!=0:
> newLoc = mc.spaceLocator()
> newCon = mc.parentConstraint(obj, newLoc, mo=0)
> LocList.append(newLoc)
> else:
> mc.warning('Please make a selection')
>
> # select all new Loc
> if len(sel) != 0:
> for loc in LocList:
> mc.select (loc, add=1)
> start = mc.playbackOptions(q=True, min=True)
> end = mc.playbackOptions(q=True, max=True)
> mc.bakeResults(sm=1, sr=1, t=(start, end))
> else:
> mc.warning('Please make a selection')
>
> for loc in LocList:
> mc.select (loc, add=1)
> mc.delete(cn=1)
>
> # reverse connection
> for idx, item in enumerate(LocList):
> ctl = item
> makeParentCons = mc.parentConstraint(ctl, userSel[0][idx], mo=True, w=1)
>
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