Tag view leads to this error message.The FieldError: Related Field got invalid lookup: name indicates a mismatch between what the Django ORM expects for a query on the tags relation and the actual query being executed.
[...] File "/workspace/Coach-Matrix/main_forum/views/filters.py", line 18, in get_queryset return Question.objects.filter(tags__name=tag.name) File "/workspace/.pip-modules/lib/python3.9/site-packages/django/db/models/manager.py", line 85, in manager_method return getattr(self.get_queryset(), name)(*args, **kwargs) File "/workspace/.pip-modules/lib/python3.9/site-packages/django/db/models/query.py", line 1420, in filter return self._filter_or_exclude(False, args, kwargs) File "/workspace/.pip-modules/lib/python3.9/site-packages/django/db/models/query.py", line 1438, in _filter_or_exclude clone._filter_or_exclude_inplace(negate, args, kwargs) File "/workspace/.pip-modules/lib/python3.9/site-packages/django/db/models/query.py", line 1445, in _filter_or_exclude_inplace self._query.add_q(Q(*args, **kwargs)) File "/workspace/.pip-modules/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1532, in add_q clause, _ = self._add_q(q_object, self.used_aliases) File "/workspace/.pip-modules/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1562, in _add_q child_clause, needed_inner = self.build_filter( File "/workspace/.pip-modules/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1478, in build_filter condition = self.build_lookup(lookups, col, value) File "/workspace/.pip-modules/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1292, in build_lookup raise FieldError(Exception Type: FieldError at /questions/tag/tag4/Exception Value: Related Field got invalid lookup: nameI had tried Fetching the Tag instance using its slug and Using the name of the fetched Tag instance to filter Question objects.
from django.views.generic.list import ListViewfrom ..models import Questionfrom django.shortcuts import get_object_or_404from taggit.models import Tagclass FilterByTagView(ListView): model = Question template_name = 'filtered_questions.html' context_object_name = 'questions' def get_queryset(self): tag_slug = self.kwargs.get('tag_slug') # Retrieve the Tag object by slug tag = get_object_or_404(Tag, slug=tag_slug) # Use TaggedItemManager's filter method to get questions tagged with the retrieved tag return Question.objects.filter(tags__slug=tag.slug) def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) tag_slug = self.kwargs.get('tag_slug') context['tag'] = get_object_or_404(Tag, slug=tag_slug) return context