[Python-ideas] csv.DictReader could handle headers more intelligently. (original) (raw)

J. Cliff Dyer jcd at sdf.lonestar.org
Thu Jan 24 16:55:17 CET 2013

On Thu, 2013-01-24 at 15:29 +0000, Mark Hackett wrote:

On Thursday 24 Jan 2013, J. Cliff Dyer wrote: > > > 2. Give an error when encountering a duplicate field name (which > > > will lead to data loss when reading from the file) (consensus seems > > > to be "yes") > > Mostly, but with a strong objection from Mark Hackett, and hesitation > about altering current behavior from Amaury Forgeot d'Arc. >

More along the lines of your earlier: > 1. It's a backwards-incompatible change. strong objection. :-) Programs that had been working will stop. Programs that won't work because it doesn't throw an exception yet are no worse off.

Noted. I will say that this doesn't seem any worse than any other backwards-incompatible change, which are sometimes allowed, so it should probably be considered by the same standard.

That said, what are your feelings on adding a CarefulDictReader?

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