[Django] #32402: django.urls resolve does not resolve typed paths, like <int:pk>

[Django]

#32402: django.urls resolve does not resolve typed paths, like <int:pk>
-----------------------------------------+------------------------
Reporter: HM | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 3.1
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-----------------------------------------+------------------------
Resolving typed paths like "<int:pk>" doesn't work, see script to
reproduce below.

{{{
import os

from django.conf import settings
from django.http import HttpResponse
from django.urls import path, reverse, resolve

fname = os.path.splitext(os.path.basename(__file__))[0]
urlpatterns = [
path('<int:pk>/', lambda r, **kwargs: HttpResponse('Hello, world!'),
name='testurl'),
]

if __name__ == "__main__":
settings.configure(DEBUG=True, MIDDLEWARE_CLASSES=[],
ROOT_URLCONF=fname)

# Works
reverse('testurl', kwargs={'pk': 4})

# Raises Resolver404
resolve('<int:pk>/')
}}}

This holds for Django 2.2, Django 3.0, Django 3.1 and Django 3.2a1.

I've pdb'ed my way into the django code and the problem seems to be that
when `URLResolver.resolve()` gets around to running
`RoutePattern.match(path)`, the path looks like `"'<int:pk>/'"` but the
regex it is checked against, stored on the RoutePattern instance, looks
like `re.compile('^(?P<pk>[0-9]+)/$')`, which obviously will never match.

(I'm using `resolve()` in a unittest to check that manually created views
with externally known paths are properly installed in the urlconf. I get
the paths to test from `django_extensions`'s `show_urls`.)

--
Ticket URL: <https://code.djangoproject.com/ticket/32402>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

[Django]

#32402: django.urls resolve does not resolve typed paths, like <int:pk>

-------------------------------+--------------------------------------
Reporter: HM | Owner: nobody
Type: Bug | Status: new
Component: Uncategorized | Version: 3.1
Severity: Normal | Resolution:

Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0

-------------------------------+--------------------------------------
Changes (by HM):

* type: Uncategorized => Bug

--
Ticket URL: <https://code.djangoproject.com/ticket/32402#comment:1>

[Django]

#32402: django.urls resolve does not resolve typed paths, like <int:pk>

-----------------------------+--------------------------------------
Reporter: HM | Owner: nobody
Type: Bug | Status: closed
Component: Core (URLs) | Version: 3.1
Severity: Normal | Resolution: invalid

Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0

-----------------------------+--------------------------------------
Changes (by Mariusz Felisiak):

* status: new => closed
* resolution: => invalid
* component: Uncategorized => Core (URLs)

Comment:

`resolve()` can be used for resolving URL path not for resolving URL
patterns, e.g. `resolve('/6/')` works as expected, see
[https://docs.djangoproject.com/en/dev/ref/urlresolvers/#resolve docs].

Please don't use Trac as a support channel. Closing per
TicketClosingReasons/UseSupportChannels.

--
Ticket URL: <https://code.djangoproject.com/ticket/32402#comment:2>