def get_context_data(self, **kwargs):
context = super(ListView, self).get_context_data(**kwargs)
context['prefix'] = self.prefix
context['list_header'] = self.get_list_header()
context['list_items'] = self.get_list_items(context['object_list'])
context['tool_links'] = self.get_tool_links()
# self.has_action_links is set in get_list_items
context['has_action_links'] = self.has_action_links
context['tool_links_icon'] = self.get_tool_links_icon()
if self.get_simple_search_form():
context['simple_search_form'] = \
self.get_simple_search_form()(data=self.request.GET)
if self.get_advanced_search_form():
context['advanced_search_form'] = \
self.get_advanced_search_form()(data=self.request.GET)
return context
python类ListView()的实例源码
def test_search(self):
test = SampleModel.objects.create(title='test')
foobar = SampleModel.objects.create(title='foobar')
bar = SampleModel.objects.create(title='bar')
class SampleModelListView(SmartListMixin, ListView):
model = SampleModel
list_display = ('title', 'category')
search_fields = ('title', )
request = self.factory.get('/smart-lists/?q=test')
view = SampleModelListView(request=request)
self.assertEqual(1, len(view.get_queryset()))
self.assertEqual(test, view.get_queryset()[0])
request = self.factory.get('/smart-lists/?q=bar')
view = SampleModelListView(request=request)
self.assertEqual(2, len(view.get_queryset()))
self.assertEqual([foobar, bar], list(view.get_queryset()))
def dispatch(self, request, *args, **kwargs):
"""Overriding dispatch on ListView"""
self.model = get_model(**kwargs)
return super(EntityList, self).dispatch(
request, *args, **kwargs)
def get_queryset(self):
queryset = []
for category in super(ListView, self).get_queryset():
subQueryset = []
for criterion in category.criteria.all():
subQueryset.append(
(criterion, get_weight(criterion, self.request.user))
)
queryset.append((category, subQueryset))
return queryset
def get_context_data(self, **kwargs):
context = super(ListView, self).get_context_data(**kwargs)
context['total_criteria'] = Criterion.objects.count()
context['group_form'] = GroupForm(data=self.request.GET)
group_id = self.request.GET.get('group')
if group_id:
try:
group_id = int(group_id)
except (ValueError, TypeError):
pass
else:
context['group'] = get_object_or_404(Group, pk=self.request.GET['group'])
return context
def get(self, request, *args, **kwargs):
self.option = get_object_or_404(Option, uuid=self.kwargs['option_uuid'])
return super(ListView, self).get(request, *args, **kwargs)
def get_queryset(self):
# Querset will be a list of tuples in the form (Criterion, Score)
queryset = []
for category in super(ListView, self).get_queryset():
subQueryset = []
for criterion in category.criteria.all():
subQueryset.append(
(criterion, get_score(criterion, self.option, self.request.user))
)
queryset.append((category, subQueryset))
return queryset
def get_context_data(self, **kwargs):
context = super(ListView, self).get_context_data(**kwargs)
context.update(
option=self.option,
)
return context
def question_list_view():
class DummyView(mixins.ProjectMixin, ListView):
model = question_models.Question
return DummyView.as_view()
def test_ordering_in_queryset(self):
class SampleModelListView(SmartListMixin, ListView):
model = SampleModel
list_display = ('title', 'category')
request = self.factory.get('/smart-lists/')
view = SampleModelListView(request=request)
self.assertEqual(view.get_ordering(), [])
request = self.factory.get('/smart-lists/?o=1')
view = SampleModelListView(request=request)
self.assertEqual(view.get_ordering(), ['title'])
request = self.factory.get('/smart-lists/?o=2.1')
view = SampleModelListView(request=request)
self.assertEqual(view.get_ordering(), ['category', 'title'])
request = self.factory.get('/smart-lists/?o=-2.1')
view = SampleModelListView(request=request)
self.assertEqual(view.get_ordering(), ['-category', 'title'])
request = self.factory.get('/smart-lists/?o=-wqdwd')
view = SampleModelListView(request=request)
self.assertRaises(
SmartListException,
view.get_ordering
)
request = self.factory.get('/smart-lists/?o=5')
view = SampleModelListView(request=request)
self.assertRaises(
SmartListException,
view.get_ordering
)
def post(self, request, *args, **kwargs):
self.object = self.get_object()
# Make sure the ListView gets setup
self.get(self.request, *self.args, **self.kwargs)
# Check form validity
transaction_form = self.get_transaction_form()
leg_formset = self.get_leg_formset()
if transaction_form.is_valid() and leg_formset.is_valid():
return self.form_valid(transaction_form, leg_formset)
else:
return self.form_invalid(transaction_form, leg_formset)
def project_detail_view():
class FakeProjectDetailView(mixins.PhaseDispatchMixin, ListView):
model = models.Project
def get(self, request, *args, **kwargs):
return HttpResponse('project_detail')
return FakeProjectDetailView.as_view()
def dummy_view():
class DummyView(mixins.ProjectPhaseMixin, ListView):
model = models.Project
return DummyView.as_view()
def recherche(request):
user = User.objects.all()
return render(request, 'user/users.html', {'liste_user': user})
#class UserList(ListView):
# template_name = 'user/search.html'
#
# def get_queryset(self):
# query = self.request.GET.get('q')
# return User.objects.filter(username=query)
def get_queryset(self):
"""
Gets queryset for ListView to return to view
"""
# Filter by program (self.program set in test_func())
financial_aids = FinancialAid.objects.filter(
tier_program__program=self.program
)
# Filter by status
self.selected_status = self.kwargs.get("status", None)
if self.selected_status is None or self.selected_status not in FinancialAidStatus.ALL_STATUSES:
self.selected_status = self.default_status
financial_aids = financial_aids.filter(status=self.selected_status)
# Filter by search query
self.search_query = self.request.GET.get("search_query", "")
search_query = reduce(
lambda q, term: (
q |
Q(user__profile__first_name__icontains=term) |
Q(user__profile__last_name__icontains=term)
),
self.search_query.split(),
Q()
)
if search_query:
financial_aids = financial_aids.filter(search_query)
# Annotate with adjusted cost
self.course_price = self.program.price
financial_aids = financial_aids.annotate(adjusted_cost=self.course_price - F("tier_program__discount_amount"))
# Sort by field
self.sort_field = self.request.GET.get("sort_by", self.default_sort_field)
if self.sort_field.startswith("-"):
self.sort_field = self.sort_field[1:]
# Defined above: self.sort_direction = ""
self.sort_direction = "-"
if self.sort_field not in self.sort_fields:
self.sort_field = self.default_sort_field
self.sort_direction = ""
financial_aids = financial_aids.order_by(
"{sort_direction}{sort_field}".format(
sort_direction=self.sort_direction,
sort_field=self.sort_field_mappings.get(self.sort_field, self.sort_field)
)
)
return financial_aids
