Love this idea. Btw there’s actually a Wiki here for Fastai library “feature requests” which is basically a thread to keep track of all the ongoing stuff being added to fastai. Feel free to post this in there…I already have from_df and texts_from_df on the list both of which I was planning on doing PR’s for but it sounds like you would definitely be able to implement this much quicker/more efficient than I could 
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