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The Python Image Library is shipped by Sage in the form of the PIL package.

Then your question becomes how to do image transformation with PIL.

A quick web search:

• https://duckduckgo.com/?q=mathematica+ImageTransformation+python

reveals

• https://stackoverflow.com/questions/17056209/python-pil-affine-transformation

where there is a link to:

• https://stackoverflow.com/questions/7501009/affine-transform-in-pil-python

Using certain functions in PIL might require the presence of a jpeg library in your system, otherwise you might get error messages such as "decoder jpeg not available". See

• https://stackoverflow.com/questions/8915296/python-image-library-fails-with-message-decoder-jpeg-not-available-pil