[Python-ideas] Python 3.4 should include docopt as-is

[Carlo Pires]

+1
docopt is the killer module "de facto" for command line programs.


2013/10/21 anatoly techtonik <techtonik at gmail.com>

> On Mon, Oct 21, 2013 at 7:39 AM, anatoly techtonik <techtonik at gmail.com>
> wrote:
> > On Sat, Sep 28, 2013 at 1:42 PM, Ned Batchelder <ned at nedbatchelder.com>
> wrote:
> >> On 9/28/13 12:44 AM, anatoly techtonik wrote:
> >>
> >> This - http://docopt.org/ - should be included with Python 3.4
> distribution.
> >>
> >>
> >> In addition to the other questions already asked, you haven't answered
> the
> >> fundamental one: Why should docopt be included in the stdlib?
> >
> > Because it is the easiest and most intuitive way to quickly build
> > command line parser with a less amount of writing. It also provides
> > synced help, custom formatting, really short parser definition syntax
> > and subcommands out of the box.
> >
> > But the main reason that it is a  'fastest way ever to expose script
> > functions to command line user interface'. Writing it is as fast as
> > 10x times on average compared to argparse, optparse and getopt
> > interfaces. 50 minutes on argparse with debug and 5 on docopt. 5
> > minutes regardless of your experience. For a newbie getting what
> > argparse does may take more that 50 minutes on average, and it is
> > still probably the same 5 minutes for docopt.
> >
> >> It's right
> >> there in PyPI where any one can get it.  Why is it better in the stdlib
> than
> >> in PyPI?
> >
> > Because you need a Python on your machine. Language with batteries
> > included. Not a C or Java where probably need to download libraries
> > even to work with strings. Setting docopt on every machine where you
> > need to quickly give some variations for execution flow to your
> > one-time command line script is akin to launching the C compiler with
> > appropriate include paths.
>
> Also, the command line interface definition (help on script abilities)
> in docopt can be easily read by any human without the need to run the
> script or decipher argparse/optparge function call parameters.
> --
> anatoly t.
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-- 
  Carlo Pires
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