polars

lets start with their demo. df = pl.DataFrame( { "foo": [1, 2, 3], "bar": [6, 7, 8], } ) df.write_json() '[{"foo":1,"bar":6},{"foo":2,"bar":7},{"foo":3,"bar":8}]' I pass in the df in the from the df.write_json() context = { 'df' : df, } But nothing…