[Pkg-mailman-hackers] Bug#1000810: python3-django-hyperkitty: Internal Server Error (500): ImportError: cannot import name 'url_has_allowed_host_and_scheme'

[Pierre-Elliott Bécue]

Le lundi 29 novembre 2021 à 12:29:40+0000, Colin Turner a écrit :
> Package: python3-django-hyperkitty
> Version: 1.3.4-4
> Severity: normal
> 
> Dear Maintainer,
> 
> Thank you for work in packaging the mailman3 ecosystem.
> 
> At some recent point, it became impossible to access the mailman 3 web interface, hyperkitty. An Internal Server Error is being reported on all attempts to access.
> 
> The Traceback is a bit puzzling, since it looks like one part of Django is trying to import from another and finding a missing symbol name.
> 
> Traceback (most recent call last):
>   File "/usr/lib/python3/dist-packages/django/core/handlers/wsgi.py", line 141, in __call__
>     ]
>   File "/usr/lib/python3/dist-packages/django/core/handlers/base.py", line 75, in get_response
>     self._view_middleware.insert(
>   File "/usr/lib/python3/dist-packages/django/core/handlers/exception.py", line 36, in inner
>     async def inner(request):
>   File "/usr/lib/python3/dist-packages/django/core/handlers/exception.py", line 90, in response_for_exception
>     elif isinstance(exc, SuspiciousOperation):
>   File "/usr/lib/python3/dist-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
> 
>   File "/usr/lib/python3/dist-packages/django/urls/resolvers.py", line 597, in resolve_error_handler
>     # urlconf_module might be a valid set of patterns, so we default to it
>   File "/usr/lib/python3/dist-packages/django/utils/functional.py", line 80, in __get__
>     the lazy evaluation code is triggered. Results are not memoized; the
>   File "/usr/lib/python3/dist-packages/django/urls/resolvers.py", line 577, in urlconf_module
>     sub_match_dict,
>   File "/usr/lib/python3.9/importlib/__init__.py", line 127, in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
>   File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
>   File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
>   File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
>   File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
>   File "<frozen importlib._bootstrap_external>", line 850, in exec_module
>   File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
>   File "/usr/share/mailman3-web/./urls.py", line 29, in <module>
>     url(r'^postorius/', include('postorius.urls')),
>   File "/usr/lib/python3/dist-packages/django/urls/conf.py", line 34, in include
>     urlconf_module = import_module(urlconf_module)
>   File "/usr/lib/python3.9/importlib/__init__.py", line 127, in import_module
>     return _bootstrap._gcd_import(name[level:], package, level)
>   File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
>   File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
>   File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
>   File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
>   File "<frozen importlib._bootstrap_external>", line 850, in exec_module
>   File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
>   File "/usr/lib/python3/dist-packages/postorius/urls.py", line 23, in <module>
>     from postorius.views import list as list_views
>   File "/usr/lib/python3/dist-packages/postorius/views/list.py", line 48, in <module>
>     from postorius.auth.mixins import ListOwnerMixin
>   File "/usr/lib/python3/dist-packages/postorius/auth/mixins.py", line 21, in <module>
>     from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
>   File "/usr/lib/python3/dist-packages/django/contrib/auth/mixins.py", line 5, in <module>
>     from django.contrib.auth.views import redirect_to_login
>   File "/usr/lib/python3/dist-packages/django/contrib/auth/views.py", line 20, in <module>
>     from django.utils.http import (
> ImportError: cannot import name 'url_has_allowed_host_and_scheme' from 'django.utils.http' (/usr/lib/python3/dist-packages/django/utils/http.py)
> 
> The last files indicated are both in python3-django and it's not obvious to me why the import is failing or whether that's a red herring, but it seems as though this was linked to a recent python3-django upgrade?
> 
> Happy to do any useful tests to investigate further.
> 
> Kind regards,

Hi,

Thanks for your bug report!

Did the latest django release change anything?

-- 
Pierre-Elliott Bécue
GPG: 9AE0 4D98 6400 E3B6 7528  F493 0D44 2664 1949 74E2
It's far easier to fight for principles than to live up to them.
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