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executable file 84 lines (74 sloc) 3.25 KB
Debug Toolbar middleware
from django.conf import settings
from django.http import HttpResponseRedirect
from django.shortcuts import render_to_response
from django.utils.encoding import smart_unicode
from django.conf.urls.defaults import include, patterns
import debug_toolbar.urls
from debug_toolbar.toolbar.loader import DebugToolbar
from debug_toolbar.urls import DEBUG_TB_URL_PREFIX
import os
_HTML_TYPES = ('text/html', 'application/xhtml+xml')
def replace_insensitive(string, target, replacement):
Similar to string.replace() but is case insensitive
Code borrowed from:
no_case = string.lower()
index = no_case.find(target.lower())
if index >= 0:
return string[:index] + replacement + string[index + len(target):]
else: # no results so return the original string
return string
class DebugToolbarMiddleware(object):
Middleware to set up Debug Toolbar on incoming request and render toolbar
on outgoing response.
def __init__(self):
self.debug_toolbar = None
self.original_urlconf = settings.ROOT_URLCONF
self.original_pattern = patterns('', ('', include(self.original_urlconf)),)
self.override_url = True
def show_toolbar(self, request):
if not settings.DEBUG:
return False
if request.is_ajax() and not request.path.startswith(os.path.join('/', DEBUG_TB_URL_PREFIX)): #Allow ajax requests from the debug toolbar
return False
if not request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS:
return False
return True
def process_request(self, request):
if self.show_toolbar(request):
if self.override_url:
debug_toolbar.urls.urlpatterns += self.original_pattern
self.override_url = False
request.urlconf = 'debug_toolbar.urls'
self.debug_toolbar = DebugToolbar(request)
for panel in self.debug_toolbar.panels:
return None
def process_view(self, request, view_func, view_args, view_kwargs):
if self.debug_toolbar:
for panel in self.debug_toolbar.panels:
panel.process_view(request, view_func, view_args, view_kwargs)
def process_response(self, request, response):
if not self.debug_toolbar:
return response
if self.debug_toolbar.config['INTERCEPT_REDIRECTS']:
if isinstance(response, HttpResponseRedirect):
redirect_to = response.get('Location', None)
if redirect_to:
response = render_to_response(
{'redirect_to': redirect_to}
if response.status_code != 200:
return response
for panel in self.debug_toolbar.panels:
panel.process_response(request, response)
if response['Content-Type'].split(';')[0] in _HTML_TYPES:
response.content = replace_insensitive(smart_unicode(response.content), u'</body>', smart_unicode(self.debug_toolbar.render_toolbar() + u'</body>'))
return response