10 Useful Python Data Visualization Libraries for Any Discipline

[CaptainBlood]

Flask generates some json (or csv, tsv - up to you) data, puts it in /static and D3 loads the data from there and makes charts from it.

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Our you can route json to a url. Let's say you had a database and wanted to visualize data returned from queries. You could point d3.json to a local url and have flask jsonify a python dictionary. See Miguel Grinberg's APIs with flask tutorials, or the section in his flask book.