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by gthompson512
444 days ago
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This forces each field to be quoted, and it assumes that each row has the same fields in the same order. A library can handle the quoting issues and fields more reliably. Not sure why you went with a generator for this either. Most people expect something like
`12,,213,3`
instead of
`"12","213","3"`
which yours might give. https://en.wikipedia.org/wiki/Comma-separated_values#Basic_r... |
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With respect to "the same fields in the same order", no, although you may or may not feed the CSV to an application that has such an expectation. But if you apply it to data like [("Points",),(),("x","y"),("3","4"),("6","8","10")] it will successfully preserve that wonky structure in a file Excel can ingest reliably. (As reliably as Excel can ingest anything, anyway, since Excel has its own Norway problem.)
It's true that it's possible to produce more optimized output, but I didn't claim that the output was optimal, just correct.
Using generators is necessary to be able to correctly output individual fields that are many times larger than physical memory.