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from django.contrib import admin
from django.db import models
from django.conf.urls import url
from django.core.cache import cache
from django.shortcuts import render
from django.core.urlresolvers import reverse
from django.http import HttpResponseRedirect, Http404
from django.contrib.auth.decorators import user_passes_test
from django.utils.decorators import method_decorator
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from django.contrib import messages
class RedisAdmin(admin.ModelAdmin):
def get_urls(self):
urls = super(RedisAdmin, self).get_urls()
my_urls = [
url(r'^$', self.index),
url(r'^(?P<key>.+)/delete/$', self.delete),
url(r'^(?P<key>.+)/$', self.key),
]
return my_urls + urls
@method_decorator(user_passes_test(lambda u: u.is_superuser))
def index(self, request):
if request.method == 'POST' and request.POST.getlist('_selected_action') and \
request.POST.get('action') == 'delete_selected' and \
request.POST.get('post') == 'yes':
if cache.master_client.delete(*request.POST.getlist('_selected_action')):
messages.add_message(request, messages.SUCCESS,
'Successfully deleted %d keys.' %
len(request.POST.getlist('_selected_action')))
else:
messages.add_message(request, messages.ERROR,
'Could not delete %d keys.' %
len(request.POST.getlist('_selected_action')))
elif request.method == 'POST' and request.POST.getlist('_selected_action') and \
request.POST.get('action') == 'delete_selected':
return render(request, 'redis_admin/delete_selected_confirmation.html',
{'keys': request.POST.getlist('_selected_action')})
if request.GET.get('q'):
keys_result = cache.master_client.keys('*%s*' % request.GET.get('q'))
else:
keys_result = cache.master_client.keys('*')
paginator = Paginator(keys_result, 100)
page = request.GET.get('p')
try:
keys = paginator.page(page)
except PageNotAnInteger:
keys = paginator.page(1)
except EmptyPage:
keys = paginator.page(paginator.num_pages)
return render(request, 'redis_admin/index.html', {'keys': keys,
'count': paginator.count, 'page_range': paginator.page_range})
@method_decorator(user_passes_test(lambda u: u.is_superuser))
def key(self, request, key):
key_type = cache.master_client.type(key)
if key_type == 'none':
raise Http404
context = {'key': key, 'type': key_type}
if key_type == 'string':
context['value'] = cache.master_client.get(key)
elif key_type == 'set':
context['value'] = str(cache.master_client.smembers(key))
return render(request, 'redis_admin/key.html', context)
@method_decorator(user_passes_test(lambda u: u.is_superuser))
def delete(self, request, key):
if request.method == "POST" and request.POST.get('post') == 'yes':
if cache.master_client.delete(key):
messages.add_message(request, messages.SUCCESS, 'The key "%s" was deleted successfully.' % key)
else:
messages.add_message(request, messages.ERROR, 'The key "%s" was not deleted successfully.' % key)
return HttpResponseRedirect('%sredis_admin/manage/' % reverse('admin:index'))
return render(request, 'redis_admin/delete_confirmation.html', {'key': key})
class Meta:
app_label = 'redis_admin'
verbose_name = 'Manage'
verbose_name_plural = "Manage"
admin.site.register(type('manage', (models.Model,), {'__module__': '', 'Meta': Meta}), RedisAdmin)
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