from xml.dom.minidom import parseString from django.contrib.auth.decorators import login_required, permission_required from django.core import mail from django.forms import fields from django.forms.forms import Form, ValidationError from django.forms.formsets import BaseFormSet, formset_factory from django.http import ( HttpResponse, HttpResponseBadRequest, HttpResponseNotAllowed, HttpResponseNotFound, HttpResponseRedirect, ) from django.shortcuts import render from django.template import Context, Template from django.test import Client from django.utils.decorators import method_decorator from django.utils.six.moves.urllib.parse import urlencode def get_view(request): "A simple view that expects a GET request, and returns a rendered template" t = Template('This is a test. {{ var }} is the value.', name='GET Template') c = Context({'var': request.GET.get('var', 42)}) return HttpResponse(t.render(c)) def trace_view(request): """ A simple view that expects a TRACE request and echoes its status line. TRACE requests should not have an entity; the view will return a 400 status response if it is present. """ if request.method.upper() != "TRACE": return HttpResponseNotAllowed("TRACE") elif request.body: return HttpResponseBadRequest("TRACE requests MUST NOT include an entity") else: protocol = request.META["SERVER_PROTOCOL"] t = Template( '{{ method }} {{ uri }} {{ version }}', name="TRACE Template", ) c = Context({ 'method': request.method, 'uri': request.path, 'version': protocol, }) return HttpResponse(t.render(c)) def post_view(request): """A view that expects a POST, and returns a different template depending on whether any POST data is available """ if request.method == 'POST': if request.POST: t = Template('Data received: {{ data }} is the value.', name='POST Template') c = Context({'data': request.POST['value']}) else: t = Template('Viewing POST page.', name='Empty POST Template') c = Context() else: t = Template('Viewing GET page.', name='Empty GET Template') c = Context() return HttpResponse(t.render(c)) def view_with_header(request): "A view that has a custom header" response = HttpResponse() response['X-DJANGO-TEST'] = 'Slartibartfast' return response def raw_post_view(request): """A view which expects raw XML to be posted and returns content extracted from the XML""" if request.method == 'POST': root = parseString(request.body) first_book = root.firstChild.firstChild title, author = [n.firstChild.nodeValue for n in first_book.childNodes] t = Template("{{ title }} - {{ author }}", name="Book template") c = Context({"title": title, "author": author}) else: t = Template("GET request.", name="Book GET template") c = Context() return HttpResponse(t.render(c)) def redirect_view(request): "A view that redirects all requests to the GET view" if request.GET: query = '?' + urlencode(request.GET, True) else: query = '' return HttpResponseRedirect('/get_view/' + query) def view_with_secure(request): "A view that indicates if the request was secure" response = HttpResponse() response.test_was_secure_request = request.is_secure() response.test_server_port = request.META.get('SERVER_PORT', 80) return response def double_redirect_view(request): "A view that redirects all requests to a redirection view" return HttpResponseRedirect('/permanent_redirect_view/') def bad_view(request): "A view that returns a 404 with some error content" return HttpResponseNotFound('Not found!. This page contains some MAGIC content') TestChoices = ( ('a', 'First Choice'), ('b', 'Second Choice'), ('c', 'Third Choice'), ('d', 'Fourth Choice'), ('e', 'Fifth Choice') ) class TestForm(Form): text = fields.CharField() email = fields.EmailField() value = fields.IntegerField() single = fields.ChoiceField(choices=TestChoices) multi = fields.MultipleChoiceField(choices=TestChoices) def clean(self): cleaned_data = self.cleaned_data if cleaned_data.get("text") == "Raise non-field error": raise ValidationError("Non-field error.") return cleaned_data def form_view(request): "A view that tests a simple form" if request.method == 'POST': form = TestForm(request.POST) if form.is_valid(): t = Template('Valid POST data.', name='Valid POST Template') c = Context() else: t = Template('Invalid POST data. {{ form.errors }}', name='Invalid POST Template') c = Context({'form': form}) else: form = TestForm(request.GET) t = Template('Viewing base form. {{ form }}.', name='Form GET Template') c = Context({'form': form}) return HttpResponse(t.render(c)) def form_view_with_template(request): "A view that tests a simple form" if request.method == 'POST': form = TestForm(request.POST) if form.is_valid(): message = 'POST data OK' else: message = 'POST data has errors' else: form = TestForm() message = 'GET form page' return render(request, 'form_view.html', { 'form': form, 'message': message, }) class BaseTestFormSet(BaseFormSet): def clean(self): """No two email addresses are the same.""" if any(self.errors): # Don't bother validating the formset unless each form is valid return emails = [] for i in range(0, self.total_form_count()): form = self.forms[i] email = form.cleaned_data['email'] if email in emails: raise ValidationError( "Forms in a set must have distinct email addresses." ) emails.append(email) TestFormSet = formset_factory(TestForm, BaseTestFormSet) def formset_view(request): "A view that tests a simple formset" if request.method == 'POST': formset = TestFormSet(request.POST) if formset.is_valid(): t = Template('Valid POST data.', name='Valid POST Template') c = Context() else: t = Template('Invalid POST data. {{ my_formset.errors }}', name='Invalid POST Template') c = Context({'my_formset': formset}) else: formset = TestForm(request.GET) t = Template('Viewing base formset. {{ my_formset }}.', name='Formset GET Template') c = Context({'my_formset': formset}) return HttpResponse(t.render(c)) @login_required def login_protected_view(request): "A simple view that is login protected." t = Template('This is a login protected test. Username is {{ user.username }}.', name='Login Template') c = Context({'user': request.user}) return HttpResponse(t.render(c)) @login_required(redirect_field_name='redirect_to') def login_protected_view_changed_redirect(request): "A simple view that is login protected with a custom redirect field set" t = Template('This is a login protected test. Username is {{ user.username }}.', name='Login Template') c = Context({'user': request.user}) return HttpResponse(t.render(c)) def _permission_protected_view(request): "A simple view that is permission protected." t = Template('This is a permission protected test. ' 'Username is {{ user.username }}. ' 'Permissions are {{ user.get_all_permissions }}.', name='Permissions Template') c = Context({'user': request.user}) return HttpResponse(t.render(c)) permission_protected_view = permission_required('permission_not_granted')(_permission_protected_view) permission_protected_view_exception = ( permission_required('permission_not_granted', raise_exception=True)(_permission_protected_view) ) class _ViewManager(object): @method_decorator(login_required) def login_protected_view(self, request): t = Template('This is a login protected test using a method. ' 'Username is {{ user.username }}.', name='Login Method Template') c = Context({'user': request.user}) return HttpResponse(t.render(c)) @method_decorator(permission_required('permission_not_granted')) def permission_protected_view(self, request): t = Template('This is a permission protected test using a method. ' 'Username is {{ user.username }}. ' 'Permissions are {{ user.get_all_permissions }}.', name='Permissions Template') c = Context({'user': request.user}) return HttpResponse(t.render(c)) _view_manager = _ViewManager() login_protected_method_view = _view_manager.login_protected_view permission_protected_method_view = _view_manager.permission_protected_view def session_view(request): "A view that modifies the session" request.session['tobacconist'] = 'hovercraft' t = Template('This is a view that modifies the session.', name='Session Modifying View Template') c = Context() return HttpResponse(t.render(c)) def broken_view(request): """A view which just raises an exception, simulating a broken view.""" raise KeyError("Oops! Looks like you wrote some bad code.") def mail_sending_view(request): mail.EmailMessage( "Test message", "This is a test email", "from@example.com", ['first@example.com', 'second@example.com']).send() return HttpResponse("Mail sent") def mass_mail_sending_view(request): m1 = mail.EmailMessage( 'First Test message', 'This is the first test email', 'from@example.com', ['first@example.com', 'second@example.com']) m2 = mail.EmailMessage( 'Second Test message', 'This is the second test email', 'from@example.com', ['second@example.com', 'third@example.com']) c = mail.get_connection() c.send_messages([m1, m2]) return HttpResponse("Mail sent") def nesting_exception_view(request): """ A view that uses a nested client to call another view and then raises an exception. """ client = Client() client.get('/get_view/') raise Exception('exception message') def django_project_redirect(request): return HttpResponseRedirect('https://www.djangoproject.com/') def upload_view(request): """Prints keys of request.FILES to the response.""" return HttpResponse(', '.join(request.FILES.keys()))