On Fri, Apr 17, 2020 at 6:09 PM David Mertz <[email protected]> wrote:
> On Fri, Apr 17, 2020 at 9:57 AM <[email protected]> wrote:
>
>> The mode-switch proposal though would not impede one to mix shorthand and
>> longhand forms. This should be valid syntax:
>>
>> ```python
>> return render_template("index.html", *,
>> twitter, username=user["display_name"],
>> channel, channelid, error,
>> setups=database.list_setups(channelid),
>> sched_tz, schedule, sched_tweet,
>> checklist=database.get_checklist(channelid),
>> timers=database.list_timers(channelid),
>> tweets,
>> )
>> ```
>>
>
> I definitely hate the above version. Intermixing auto-named values with
> bound values is super-confusing and a huge bug magnet.
>
How is it confusing? How is it a bug magnet?
I do think that example looks like a mess, but if each parameter is on its
own line, I think it looks fine:
```
render_template(
"index.html",
*,
twitter,
username=user["display_name"],
channel,
channelid,
error,
setups=database.list_setups(channelid),
sched_tz,
schedule,
sched_tweet,
checklist=database.get_checklist(channelid),
timers=database.list_timers(channelid),
tweets,
)
```
> However, the following does not look bad ONLY if the mode-switch is
> strictly to bare-names-only after the switch:
>
> render_template("index.html",
> username=user["display_name"],
> setups=database.list_setups(channelid),
> checklist=database.get_checklist(channelid),
> timers=database.list_timers(channelid),
> **,
> twitter,
> channel,
> channelid,
> error,
> sched_tz,
> schedule,
> sched_tweet,
> tweets,
> **more_kwargs)
>
> Putting the named parameters strictly first gives a hint to the fact that
> the rest are "special named parameters" (with auto-naming).
>
Why does that need emphasising? Are you thinking like Ricky and Steven
D'Aprano that people might sometimes think that they're looking at
positional arguments and get confused?
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