Thanks for your reply, I found the solution soon after I posted in here.
On Friday, April 13, 2012 2:26:09 AM UTC+2, damonshelton wrote:
>
> in python time is required as a start and end time
> keyt = (keytimes[0], keytimes[0])
> cmds.keyframe('nurbsSphere1_translateX', time = keyt, query = True,
> valueChange = True)
>
> On Tue, Apr 10, 2012 at 11:15 AM, Besjan Xhika wrote:
>
>> Hi, I'm studying Maya programming..
>> and got around this error while trying to convert a MEL script to a
>> Python script..
>>
>> MEL
>>
>> float $keytimes[];
>> $keytimes = `keyframe -query -timeChange nurbsSphere1_translateX`;
>> // Result: 1 48 //
>> $keyt = $keytimes[0];
>> // Result: 1 //
>> keyframe -time $keyt -query -valueChange nurbsSphere1_translateX;
>> // Result: -5.321007 //
>>
>> nurbsSphere1_translateX is an animation curve..
>> // Result: 1 48 // are two frames that have keys..
>>
>> In MEL works OK.
>> **************************************************
>> Python
>>
>> keytimes = cmds.keyframe('nurbsSphere1_translateX', query = True,
>> timeChange = True)
>>
>> # Result: [1.0, 48.0] #
>>
>> keyt = keytimes[0]
>>
>> # Result: 1.0 #
>>
>> cmds.keyframe('nurbsSphere1_translateX', time = keyt, query = True,
>> valueChange = True)
>>
>> # Error: TypeError: file <maya console> line 1: Invalid arguments for
>> flag 'time'. Expected (time, [time]), got float #
>>
>>
>> In Python doesn't work..
>>
>> So $keyt = 1 and keyt = 1.0 should be the same (floats)..
>>
>> While in MEL is accepting a float for time (maybe is being converted
>> automatically, or something..), in Python is not..
>>
>> Anyone got any idea?
>>
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>
>
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