mirror of
https://github.com/django/django.git
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435 lines
13 KiB
Python
435 lines
13 KiB
Python
import json
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from urllib.parse import urlencode
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from xml.dom.minidom import parseString
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from django.contrib.auth.decorators import login_required, permission_required
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from django.core import mail
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from django.core.exceptions import ValidationError
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from django.forms import fields
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from django.forms.forms import Form
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from django.http import (
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HttpResponse,
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HttpResponseBadRequest,
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HttpResponseNotAllowed,
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HttpResponseNotFound,
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HttpResponseRedirect,
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)
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from django.shortcuts import render
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from django.template import Context, Template
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from django.test import Client
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from django.utils.decorators import method_decorator
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from django.views.generic import TemplateView
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def get_view(request):
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"A simple view that expects a GET request, and returns a rendered template"
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t = Template("This is a test. {{ var }} is the value.", name="GET Template")
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c = Context({"var": request.GET.get("var", 42)})
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return HttpResponse(t.render(c))
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async def async_get_view(request):
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return HttpResponse(b"GET content.")
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def trace_view(request):
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"""
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A simple view that expects a TRACE request and echoes its status line.
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TRACE requests should not have an entity; the view will return a 400 status
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response if it is present.
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"""
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if request.method.upper() != "TRACE":
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return HttpResponseNotAllowed("TRACE")
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elif request.body:
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return HttpResponseBadRequest("TRACE requests MUST NOT include an entity")
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else:
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protocol = request.META["SERVER_PROTOCOL"]
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t = Template(
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"{{ method }} {{ uri }} {{ version }}",
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name="TRACE Template",
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)
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c = Context(
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{
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"method": request.method,
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"uri": request.path,
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"version": protocol,
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}
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)
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return HttpResponse(t.render(c))
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def put_view(request):
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if request.method == "PUT":
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t = Template("Data received: {{ data }} is the body.", name="PUT Template")
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c = Context(
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{
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"Content-Length": request.META["CONTENT_LENGTH"],
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"data": request.body.decode(),
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}
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)
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else:
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t = Template("Viewing GET page.", name="Empty GET Template")
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c = Context()
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return HttpResponse(t.render(c))
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def post_view(request):
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"""A view that expects a POST, and returns a different template depending
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on whether any POST data is available
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"""
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if request.method == "POST":
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if request.POST:
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t = Template(
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"Data received: {{ data }} is the value.", name="POST Template"
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)
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c = Context({"data": request.POST["value"]})
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else:
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t = Template("Viewing POST page.", name="Empty POST Template")
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c = Context()
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else:
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t = Template("Viewing GET page.", name="Empty GET Template")
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# Used by test_body_read_on_get_data.
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request.read(200)
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c = Context()
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return HttpResponse(t.render(c))
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def post_then_get_view(request):
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"""
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A view that expects a POST request, returns a redirect response
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to itself providing only a ?success=true querystring,
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the value of this querystring is then rendered upon GET.
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"""
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if request.method == "POST":
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return HttpResponseRedirect("?success=true")
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t = Template("The value of success is {{ value }}.", name="GET Template")
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c = Context({"value": request.GET.get("success", "false")})
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return HttpResponse(t.render(c))
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def json_view(request):
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"""
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A view that expects a request with the header 'application/json' and JSON
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data, which is deserialized and included in the context.
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"""
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if request.META.get("CONTENT_TYPE") != "application/json":
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return HttpResponse()
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t = Template("Viewing {} page. With data {{ data }}.".format(request.method))
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data = json.loads(request.body.decode("utf-8"))
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c = Context({"data": data})
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return HttpResponse(t.render(c))
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def view_with_header(request):
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"A view that has a custom header"
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response = HttpResponse()
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response.headers["X-DJANGO-TEST"] = "Slartibartfast"
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return response
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def raw_post_view(request):
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"""A view which expects raw XML to be posted and returns content extracted
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from the XML"""
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if request.method == "POST":
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root = parseString(request.body)
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first_book = root.firstChild.firstChild
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title, author = [n.firstChild.nodeValue for n in first_book.childNodes]
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t = Template("{{ title }} - {{ author }}", name="Book template")
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c = Context({"title": title, "author": author})
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else:
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t = Template("GET request.", name="Book GET template")
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c = Context()
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return HttpResponse(t.render(c))
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def redirect_view(request):
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"A view that redirects all requests to the GET view"
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if request.GET:
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query = "?" + urlencode(request.GET, True)
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else:
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query = ""
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return HttpResponseRedirect("/get_view/" + query)
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def method_saving_307_redirect_query_string_view(request):
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return HttpResponseRedirect("/post_view/?hello=world", status=307)
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def method_saving_308_redirect_query_string_view(request):
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return HttpResponseRedirect("/post_view/?hello=world", status=308)
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def _post_view_redirect(request, status_code):
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"""Redirect to /post_view/ using the status code."""
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redirect_to = request.GET.get("to", "/post_view/")
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return HttpResponseRedirect(redirect_to, status=status_code)
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def method_saving_307_redirect_view(request):
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return _post_view_redirect(request, 307)
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def method_saving_308_redirect_view(request):
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return _post_view_redirect(request, 308)
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def redirect_to_different_hostname(request):
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return HttpResponseRedirect("https://hostname2/get_host_view/")
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def get_host_view(request):
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return HttpResponse(request.get_host())
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def view_with_secure(request):
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"A view that indicates if the request was secure"
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response = HttpResponse()
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response.test_was_secure_request = request.is_secure()
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response.test_server_port = request.META.get("SERVER_PORT", 80)
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return response
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def double_redirect_view(request):
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"A view that redirects all requests to a redirection view"
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return HttpResponseRedirect("/permanent_redirect_view/")
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def bad_view(request):
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"A view that returns a 404 with some error content"
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return HttpResponseNotFound("Not found!. This page contains some MAGIC content")
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TestChoices = (
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("a", "First Choice"),
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("b", "Second Choice"),
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("c", "Third Choice"),
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("d", "Fourth Choice"),
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("e", "Fifth Choice"),
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)
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class TestForm(Form):
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text = fields.CharField()
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email = fields.EmailField()
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value = fields.IntegerField()
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single = fields.ChoiceField(choices=TestChoices)
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multi = fields.MultipleChoiceField(choices=TestChoices)
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def clean(self):
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cleaned_data = self.cleaned_data
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if cleaned_data.get("text") == "Raise non-field error":
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raise ValidationError("Non-field error.")
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return cleaned_data
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def form_view(request):
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"A view that tests a simple form"
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if request.method == "POST":
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form = TestForm(request.POST)
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if form.is_valid():
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t = Template("Valid POST data.", name="Valid POST Template")
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c = Context()
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else:
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t = Template(
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"Invalid POST data. {{ form.errors }}", name="Invalid POST Template"
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)
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c = Context({"form": form})
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else:
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form = TestForm(request.GET)
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t = Template("Viewing base form. {{ form }}.", name="Form GET Template")
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c = Context({"form": form})
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return HttpResponse(t.render(c))
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def form_view_with_template(request):
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"A view that tests a simple form"
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if request.method == "POST":
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form = TestForm(request.POST)
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if form.is_valid():
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message = "POST data OK"
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else:
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message = "POST data has errors"
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else:
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form = TestForm()
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message = "GET form page"
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return render(
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request,
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"form_view.html",
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{
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"form": form,
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"message": message,
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},
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)
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@login_required
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def login_protected_view(request):
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"A simple view that is login protected."
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t = Template(
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"This is a login protected test. Username is {{ user.username }}.",
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name="Login Template",
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)
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c = Context({"user": request.user})
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return HttpResponse(t.render(c))
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@login_required(redirect_field_name="redirect_to")
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def login_protected_view_changed_redirect(request):
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"A simple view that is login protected with a custom redirect field set"
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t = Template(
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"This is a login protected test. Username is {{ user.username }}.",
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name="Login Template",
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)
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c = Context({"user": request.user})
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return HttpResponse(t.render(c))
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def _permission_protected_view(request):
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"A simple view that is permission protected."
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t = Template(
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"This is a permission protected test. "
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"Username is {{ user.username }}. "
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"Permissions are {{ user.get_all_permissions }}.",
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name="Permissions Template",
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)
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c = Context({"user": request.user})
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return HttpResponse(t.render(c))
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permission_protected_view = permission_required("permission_not_granted")(
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_permission_protected_view
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)
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permission_protected_view_exception = permission_required(
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"permission_not_granted", raise_exception=True
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)(_permission_protected_view)
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class _ViewManager:
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@method_decorator(login_required)
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def login_protected_view(self, request):
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t = Template(
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"This is a login protected test using a method. "
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"Username is {{ user.username }}.",
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name="Login Method Template",
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)
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c = Context({"user": request.user})
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return HttpResponse(t.render(c))
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@method_decorator(permission_required("permission_not_granted"))
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def permission_protected_view(self, request):
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t = Template(
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"This is a permission protected test using a method. "
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"Username is {{ user.username }}. "
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"Permissions are {{ user.get_all_permissions }}.",
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name="Permissions Template",
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)
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c = Context({"user": request.user})
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return HttpResponse(t.render(c))
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_view_manager = _ViewManager()
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login_protected_method_view = _view_manager.login_protected_view
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permission_protected_method_view = _view_manager.permission_protected_view
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def session_view(request):
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"A view that modifies the session"
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request.session["tobacconist"] = "hovercraft"
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t = Template(
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"This is a view that modifies the session.",
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name="Session Modifying View Template",
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)
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c = Context()
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return HttpResponse(t.render(c))
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def broken_view(request):
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"""A view which just raises an exception, simulating a broken view."""
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raise KeyError("Oops! Looks like you wrote some bad code.")
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def mail_sending_view(request):
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mail.EmailMessage(
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"Test message",
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"This is a test email",
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"from@example.com",
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["first@example.com", "second@example.com"],
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).send()
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return HttpResponse("Mail sent")
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def mass_mail_sending_view(request):
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m1 = mail.EmailMessage(
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"First Test message",
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"This is the first test email",
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"from@example.com",
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["first@example.com", "second@example.com"],
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)
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m2 = mail.EmailMessage(
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"Second Test message",
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"This is the second test email",
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"from@example.com",
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["second@example.com", "third@example.com"],
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)
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c = mail.get_connection()
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c.send_messages([m1, m2])
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return HttpResponse("Mail sent")
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def nesting_exception_view(request):
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"""
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A view that uses a nested client to call another view and then raises an
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exception.
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"""
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client = Client()
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client.get("/get_view/")
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raise Exception("exception message")
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def django_project_redirect(request):
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return HttpResponseRedirect("https://www.djangoproject.com/")
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def no_trailing_slash_external_redirect(request):
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"""
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RFC 3986 Section 6.2.3: Empty path should be normalized to "/".
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Use https://testserver, rather than an external domain, in order to allow
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use of follow=True, triggering Client._handle_redirects().
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"""
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return HttpResponseRedirect("https://testserver")
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def index_view(request):
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"""Target for no_trailing_slash_external_redirect with follow=True."""
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return HttpResponse("Hello world")
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def upload_view(request):
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"""Prints keys of request.FILES to the response."""
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return HttpResponse(", ".join(request.FILES))
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class TwoArgException(Exception):
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def __init__(self, one, two):
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pass
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def two_arg_exception(request):
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raise TwoArgException("one", "two")
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class CBView(TemplateView):
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template_name = "base.html"
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