[Bf-python] Getting data that isnt there.

[Campbell Barton]

Hi, an Issue I have with a python script Im writing is getting data that 
might not be there.

image = Image.Get(someImageName)# If the image name isnt there then an 
error is returned.
Id prefer Image.Get(someImgName)  to return None if the image dosent exist.

Using try/except is an option for now but its a lot slower.

Also Image depth,size etc returns an error when the image is missing 
(Pink mesh) - those should probably return None as well,
- Cam

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Campbell J Barton

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