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from django import forms
from django.conf.urls import url
from django.contrib import messages
from django.contrib.messages.views import SuccessMessageMixin
from django.core.urlresolvers import reverse
from django.http import HttpResponse, HttpResponseRedirect
from django.template import engines
from django.template.response import TemplateResponse
from django.views.decorators.cache import never_cache
from django.views.generic.edit import FormView
TEMPLATE = """{% if messages %}
<ul class="messages">
{% for message in messages %}
<li{% if message.tags %} class="{{ message.tags }}"{% endif %}>
{{ message }}
</li>
{% endfor %}
</ul>
{% endif %}
"""
@never_cache
def add(request, message_type):
# don't default to False here, because we want to test that it defaults
# to False if unspecified
fail_silently = request.POST.get('fail_silently', None)
for msg in request.POST.getlist('messages'):
if fail_silently is not None:
getattr(messages, message_type)(request, msg,
fail_silently=fail_silently)
else:
getattr(messages, message_type)(request, msg)
show_url = reverse('show_message')
return HttpResponseRedirect(show_url)
@never_cache
def add_template_response(request, message_type):
for msg in request.POST.getlist('messages'):
getattr(messages, message_type)(request, msg)
show_url = reverse('show_template_response')
return HttpResponseRedirect(show_url)
@never_cache
def show(request):
template = engines['django'].from_string(TEMPLATE)
return HttpResponse(template.render(request=request))
@never_cache
def show_template_response(request):
template = engines['django'].from_string(TEMPLATE)
return TemplateResponse(request, template)
class ContactForm(forms.Form):
name = forms.CharField(required=True)
slug = forms.SlugField(required=True)
class ContactFormViewWithMsg(SuccessMessageMixin, FormView):
form_class = ContactForm
success_url = show
success_message = "%(name)s was created successfully"
urlpatterns = [
url('^add/(debug|info|success|warning|error)/$', add, name='add_message'),
url('^add/msg/$', ContactFormViewWithMsg.as_view(), name='add_success_msg'),
url('^show/$', show, name='show_message'),
url('^template_response/add/(debug|info|success|warning|error)/$',
add_template_response, name='add_template_response'),
url('^template_response/show/$', show_template_response, name='show_template_response'),
]
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