def get_transform(self, transform):
transform = unwrap(transform)
if not transform:
return
# For OMERO 5.1.x and OMERO 5.2.x the unwrapped transform is a string.
# To facilitate the encoding we construct an internal AffineTransform
# object and use convert_svg_transform() to map the SVG string
# representation into the fields defined by the schema.
from omero_marshal.legacy.affinetransform import AffineTransformI
t = AffineTransformI()
try:
t.convert_svg_transform(transform)
except ValueError:
# Means the string is an invalid or unsupported SVG transform
return
return t
