Maya not reading variables

[peter-rabel]

I am having some trouble with a part of a script I'm writing that uses a point on poly constraint.
when I do a point on poly constraint, maya outputs this code:

doCreatePointOnPolyConstraintArgList 1 { "0","0","0","1","","1" };
 string $constraint[]=`pointOnPolyConstraint -weight 1`;
 setAttr ($constraint[0]+".dragonU0") 0.568750;
 setAttr ($constraint[0]+".dragonV0") 0.339353;

I kept the code identical, just changed the U and V values from the numbers to float variables with equivalent values.

float $uTest = 0.568750;
 float $vTest = 0.339353;
 doCreatePointOnPolyConstraintArgList 1 { "0","0","0","1","","1" };
 string $constraint[]=`pointOnPolyConstraint -weight 1`;
 setAttr ($constraint[0]+".dragonU0") $uTest;
 setAttr ($constraint[0]+".dragonV0") $vTest;

I have no idea why it isn't reading the variables as the values they represent. This is very frustrating, any help would be much appreciated. 

[joojaa]

I have no idea why it isn't reading the variables as the values they represent.

wild guess it works if you restart maya? Theres a seemingly magical catch in that code, that you will never ever be able to debug. See wehn you execute anything in the script editor it becimes global. And:

global float $foo = 10;

does not do what you think it does*! allways surround your test code in {}

• global float $foo = 10; is a initializer it does NOT SET THE VALUE, ulness it was the first time taht vakue was seen in maya.

[peter-rabel]

Thank you for the reply Joojaa.
I have tried restarting maya with the same results.  

[joojaa]

whats the error. Theres no syntax problems in our code so it has to be semantic. Such as does dragonU0 exist or was there a peroper selection for your commands etc.

[peter-rabel]

It does not return an error. In fact it does create a point on poly constraint node attached to the proper object in the outliner. The issue is that it doesn't work.

A point on poly constraint locks the translation and rotation values to the selected component (or multiple components).

When I create one normally, it works fine, when I run the code with the variables in place, it creates the node, but it doesn't do anything. 

[joojaa]

When I create one normally.

theres no such thing as create normally!

[peter-rabel]

ok... well by "create normally", I mean creating the constraint by using the constraint menu. 

[joojaa]

Are you sure the code makes the right aliases?