Is there any interest in implementing this feature? If yes, what would be
the syntax for the path components that would follow the optional parameter
(only if it is present)? I thought about something along the lines of
<int:param?:/> with the characters after the second colon having to appear
literally in the URL.
For example:
path(format_lazy('{org}<country_code:country?:/><slug:groupby>/',
org=pgettext_lazy('URL', 'event/organizers/')), OrganizersView.as_vew())
would match both
/üritus/korraldajad/perekonnanimi/ and
/üritus/korraldajad/FI/perekonnanimi/ (in Estonian).
On Monday, September 19, 2022 at 4:07:26 PM UTC+2 matthew.pava wrote:
> I wonder if maybe you should look at the APPEND_SLASH setting.
>
> https://docs.djangoproject.com/en/4.1/ref/settings/#append-slash
>
>
>
>
>
> *From:* django-d...@googlegroups.com <django-d...@googlegroups.com> *On
> Behalf Of *Meiyer
> *Sent:* Monday, September 19, 2022 8:59 AM
> *To:* Django developers (Contributions to Django itself) <
> django-d...@googlegroups.com>
> *Subject:* Re: Optional URL parameters in django.urls.path
>
>
>
> > One approach is to route two patterns (one with the parameter and one
> without) to the same URL. Some duplication but (perhaps) easier to read at
> a glance than either an optional `?` operator.
>
>
>
> I thought about that, but it won't work if I want both cases to be named
> similarly (via the `name` parameter). It also feels as duplicating the same
> line.
>
>
>
> > Given that — and the alternative re_path() approach being available —
> unless there was a particularly simple implementation on display I'd
> likely be sceptical about an addition here… 🤔
>
>
>
> I did a bit of digging in the Django code and in fact it might be quite
> easy (it is also possible I am missing the elephant). django.urls.resolvers
> defines the syntax for the path parameters on line 245 [1] and converts the
> matches to regular expressions on line 290 [2]. Looks like an addition of
> the '?' to the regex after the closing bracket would do it..?
>
>
>
>
>
> [1]
> https://github.com/django/django/blob/baf9604ed8fed3e6e7ddfaca2d83c377c81399ae/django/urls/resolvers.py#L245
>
> [2]
> https://github.com/django/django/blob/baf9604ed8fed3e6e7ddfaca2d83c377c81399ae/django/urls/resolvers.py#L290
>
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