[Bf-committers] two uv_export.py issues

[Ed Halley]

In a recent attempt to use uv_export.py, I find that I can run the  
script once successfully, and then after that, I am getting an  
exception "value not compatible with current button".

This exception is thrown by code in the pyapi Draw.c routine when  
trying to save and restore previous values to the uv_export.py's  
"EXTERNALEDITOR" button field.  Perhaps if that field is left empty  
on the first run, a None is somehow being put in the registry instead  
of a "" value?  I did not fully investigate that, but I added a  
simple ValueError:pass hack to uv_export.py for now, so that I could  
save my UV layouts.

Also, I think the default values for this script should use powers of  
two for the image size, since a huge number of users will be aiming  
for that typical uv engine constraint.  The current default image  
size is 500x500.  I propose that it get bumped to 512x512, and the  
limits range 64~8192 instead of 100~10000.

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[ e d @ h a l l e y . c c ]