Disable / mute Constraint via Python, how to?

Hey guys, I’m pretty much a bloody noob when it comes to Python or scripting in general, but right now I’m tryin’ 2 figure out, how to access the “Enable/Disable Constraint”-function via python. For the sake of clarity, I mean what is shown here in it’s UI-version:

In any case, I just don’t get it. I’m currently using 2.56 & would be thankfull for any sort of advise, maybe code-example or whatever may make this clear to me.

Many thx in advance & greetings, Kologe
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have you read :
http://www.blender.org/documentation/blender_python_api_2_57_release/bpy.types.Constraint.html#bpy.types.Constraint.mute
?

Quickly i found (in edit mode):


>>> bpy.context.edit_object.constraints[0].mute
False

>>> bpy.context.edit_object.constraints[0].mute = True
>>> bpy.context.edit_object.constraints[0].mute
True

where[0] means first constraint in the stack of constraints