On Sat, Sep 25, 2021 at 8:53 AM dn via Python-list <python-list@python.org> wrote: > > On 25/09/2021 06.59, Peter J. Holzer wrote: > > There are a gazillion formats and depending on your needs one of them > > might be perfect. Or you may have to define you own bespoke format (I > > mean, nobody (except Matt Parker) tries to represent images or videos as > > CSVs: There's PNG and JPEG and WEBP and H.264 and AV1 and whatever for > > that). > > > > Of the three formats discussed here my take is: > > > > CSV: Good for tabular data of a single data type (strings). As soon as > > there's a second data type (numbers, dates, ...) you leave standard > > territory and are into "private agreements". > > > > JSON: Has a few primitive data types (bool, number, string) and a two > > compound types (list, dict(string -> any)). Still missing many > > frequently used data types (e.g. dates) and has no standard way to > > denote composite types. But its simple and if it's sufficient for your > > needs, use it. > > > > XML: Originally invented for text markup, and that shows. Can represent > > different types (via tags), can define those types (via DTD and/or > > schemas), can identify schemas in a globally-unique way and you can mix > > them all in a single document (and there are tools available to validate > > your files). But those features make it very complex (you almost > > certainly don't want to write your own parser) and you really have to > > understand the data model (especiall namespaces) to use it. > > and YAML?
Invented because there weren't enough markup languages, so we needed another? ChrisA -- https://mail.python.org/mailman/listinfo/python-list
