Argparse is not just about parsing, it's about providing convenient tooling associated with parsing.
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Otherwise you would not have automatically generated a "usage" message or a "--help" command. Following your definition, those are not parsing. But there are here, because we all end up coding them anyway. Le 09/08/2017 à 11:50, Ned Batchelder a écrit : > On 8/9/17 3:56 AM, Tarek Ziadé wrote: >> Hey, >> >> I don't think there's any helper to deprecate an argument in argparse >> >> Let's say you have a --foo option in your CLI and want to deprecate it >> in the next release before you completely remove it later. >> >> My first though on how to do this by adding a new "deprecated" option to >> https://docs.python.org/3/library/argparse.html#argparse.ArgumentParser.add_argument >> >> "deprecated" would be a callable that is called after the argument has >> been parsed by argparse, >> so the developer can decide if they want to issue a deprecation warning, >> use the parsed value or override it etc. > > I don't see why this is something that argparse has to do. The > semantics of options is handled by the rest of the program. Why would > the parser be issuing these warnings? Let argparse parse the options, > then let other code deal with what they *mean*. > > --Ned. > > _______________________________________________ > Python-ideas mailing list > Python-ideas@python.org > https://mail.python.org/mailman/listinfo/python-ideas > Code of Conduct: http://python.org/psf/codeofconduct/ > _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
