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Re: Help me pick an API design (OO vs functional)

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From Neil Cerutti <neilc@norwich.edu>
Newsgroups comp.lang.python
Subject Re: Help me pick an API design (OO vs functional)
Date 26 Mar 2013 17:25:41 GMT
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On 2013-03-26, Dave Angel <davea@davea.name> wrote:
> On 03/26/2013 10:40 AM, Michael Herrmann wrote:
>> On Tuesday, March 26, 2013 3:13:30 PM UTC+1, Neil Cerutti wrote:
>>>
>>>    <SNIP>
>>> Have you considered adding a keyword argument to each of your
>>> global functions, which is normally None, but allows a user to
>>> provide a prefered focus window?
>>>
>>> enter_text("test.txt", focus=save_dialog)
>>>
>>> press_button(Savebutton, focus=save_dialog)
>>
>> It's an interesting new idea but I somehow feel it makes the existing functions too complicated. Also, having to add it to all existing, and future functions sounds a bit too cumbersome to me.
>>
>
> Perhaps Neil didn't make it clear enough.  I figure he meant a keyword 
> argument with an explicit default value of None.  (or if you followed my 
> earlier discussion, default value of focused)
>
> That way your user can keep using the functions for when there's no 
> ambiguity, but add a focus= parameter only when needed.
>
> To go back to my sample wrapper functions, they'd look something like 
> (untested):
>
>
> def write(*args, focus=focused):
>      focus.write(*args)
>
> Of course, the user should only use the wrappers when things
> are sure to remain "simple."

Yes, along those lines. Most code would never need to provide the
focus= keyword. Only when setting focus in a weird way would it
be needed.

-- 
Neil Cerutti

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Thread

Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-25 12:29 -0700
  Re: Help me pick an API design (OO vs functional) Kwpolska <kwpolska@gmail.com> - 2013-03-25 20:42 +0100
    Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-25 13:48 -0700
      Re: Help me pick an API design (OO vs functional) Chris Angelico <rosuav@gmail.com> - 2013-03-26 08:08 +1100
        Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 01:53 -0700
          Re: Help me pick an API design (OO vs functional) Chris Angelico <rosuav@gmail.com> - 2013-03-26 22:38 +1100
            Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 05:13 -0700
            Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 05:13 -0700
    Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-25 13:48 -0700
  Re: Help me pick an API design (OO vs functional) Ethan Furman <ethan@stoneleaf.us> - 2013-03-25 16:11 -0700
    Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 02:06 -0700
      Re: Help me pick an API design (OO vs functional) Dave Angel <davea@davea.name> - 2013-03-26 06:26 -0400
        Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 05:04 -0700
          Re: Help me pick an API design (OO vs functional) Dave Angel <davea@davea.name> - 2013-03-26 08:42 -0400
            Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 07:33 -0700
              Re: Help me pick an API design (OO vs functional) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-26 22:37 +0000
                Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-27 02:34 -0700
                Re: Help me pick an API design (OO vs functional) Ethan Furman <ethan@stoneleaf.us> - 2013-03-27 09:45 -0700
                Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-28 03:54 -0700
                Re: Help me pick an API design (OO vs functional) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-28 00:42 +0000
                Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-28 04:41 -0700
          Re: Help me pick an API design (OO vs functional) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-26 12:59 +0000
            Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 07:26 -0700
  Re: Help me pick an API design (OO vs functional) Mitya Sirenef <msirenef@lightbird.net> - 2013-03-25 19:40 -0400
    Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 02:38 -0700
      Re: Help me pick an API design (OO vs functional) Chris Angelico <rosuav@gmail.com> - 2013-03-26 22:43 +1100
        Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 05:18 -0700
      Re: Help me pick an API design (OO vs functional) Mitya Sirenef <msirenef@lightbird.net> - 2013-03-26 09:41 -0400
        Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 07:59 -0700
          Re: Help me pick an API design (OO vs functional) Chris Angelico <rosuav@gmail.com> - 2013-03-27 02:16 +1100
            Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-27 01:45 -0700
          Re: Help me pick an API design (OO vs functional) Mitya Sirenef <msirenef@lightbird.net> - 2013-03-26 18:01 -0400
            Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-27 02:10 -0700
              Re: Help me pick an API design (OO vs functional) Mitya Sirenef <msirenef@lightbird.net> - 2013-03-27 09:56 -0400
                Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-28 03:52 -0700
    Re: Help me pick an API design (OO vs functional) Neil Cerutti <neilc@norwich.edu> - 2013-03-26 14:13 +0000
      Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-26 07:40 -0700
        Re: Help me pick an API design (OO vs functional) Dave Angel <davea@davea.name> - 2013-03-26 12:41 -0400
          Re: Help me pick an API design (OO vs functional) Neil Cerutti <neilc@norwich.edu> - 2013-03-26 17:25 +0000
          Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-27 01:55 -0700
            Re: Help me pick an API design (OO vs functional) Chris Angelico <rosuav@gmail.com> - 2013-03-27 22:44 +1100
              Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-27 05:23 -0700
              Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-03-27 05:23 -0700
  Re: Help me pick an API design (OO vs functional) Michael Herrmann <michael.herrmann@getautoma.com> - 2013-04-04 00:05 -0700

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