[Python-ideas] Options parsing in the Tornado Web Server

[Brett Cannon]

Just so people know, we started discussing over on the stdlib-sig the
idea of trying to convince Steven Bethard to contribute argparse to
the standard library as a way to improve the argument parsing
situation in the standard library.

On Thu, Sep 10, 2009 at 13:44, Guido van Rossum <guido at python.org> wrote:
> That's not particularly more expressive than what optparse gives you
> today, except for the use of a function with a side effect on a magic
> global (how the heck did options.port suddenly get a value?!) and the
> potential for confusing tornado.options with tornado.options.options.
>
> On Thu, Sep 10, 2009 at 12:50 PM, Andrey Fedorov <anfedorov at gmail.com> wrote:
>> I remember seeing a bit of discussion about improving Python's default
>> options parsing... Tornado's seems very impressive [1]:
>>>
>>> from tornado.options import define, options
>>>
>>> define("port", default=8888, help="run on the given port", type=int)
>>>
>>> print options.port
>>
>> What does everyone think?
>>
>> - Andrey
>>
>> 1.
>> http://github.com/facebook/tornado/blob/9a8bd2fb6fd6279be16d6f0a2e57e49fe1b98f8f/demos/chat/chatdemo.py
>
> --
> --Guido van Rossum (home page: http://www.python.org/~guido/)
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