Missing attribute error after duplicating

[Herbert Agudera]

Hello everyone.

I am fairly new at scripting in maya/python. A few days ago i watched some youtube videos about python scripting for maya artists. watched arvids video about making a script to convert maya shaders to arnold shaders.

anyway, here is what i am having trouble with

aiRampHi_mask = pmc.duplicate("aiRamp_Hi", ic = True, ic = True, name = "aiRampHi_mask")

aiRampHi_mask.outColorR >> aiLayer.mix4

the error

# Error: 'list' object has no attribute 'outColorR'
# Traceback (most recent call last):
#   File "<maya console>", line 1, in <module>
# AttributeError: 'list' object has no attribute 'outColorR' #

I can connect the two manually but i cant using the script. what is missing here?

Thanks!

[Justin Israel]

On Thu, 22 Jun 2023, 10:19 pm Herbert Agudera, <herbert...@gmail.com> wrote:

Hello everyone.

I am fairly new at scripting in maya/python. A few days ago i watched some youtube videos about python scripting for maya artists. watched arvids video about making a script to convert maya shaders to arnold shaders.

anyway, here is what i am having trouble with

aiRampHi_mask = pmc.duplicate("aiRamp_Hi", ic = True, ic = True, name = "aiRampHi_mask")

aiRampHi_mask.outColorR >> aiLayer.mix4

the error

# Error: 'list' object has no attribute 'outColorR'
# Traceback (most recent call last):
#   File "<maya console>", line 1, in <module>
# AttributeError: 'list' object has no attribute 'outColorR' #

The return value of duplicate() is a list of the duplicated objects. So the error is telling you that you are attempting to access a field that does not exist on a list. 

To access the first item of a list:

    item = aiRampHi_mask[0] 

I can connect the two manually but i cant using the script. what is missing here?

Thanks!

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