Fixed HttpRequest.is_ajax() deprecation warnings for Django 3.1.

Author: felixxm

request/middleware.py

@@ -2,6 +2,7 @@
 from . import settings
 from .models import Request
 from .router import Patterns
+from .utils import request_is_ajax
 
 try:
     # needed to support Django >= 1.10 MIDDLEWARE
@@ -23,7 +24,7 @@ def process_response(self, request, response):
         if ignore.resolve(request.path[1:]):
             return response
 
-        if request.is_ajax() and settings.IGNORE_AJAX:
+        if request_is_ajax(request) and settings.IGNORE_AJAX:
             return response
 
         if request.META.get('REMOTE_ADDR') in settings.IGNORE_IP:

request/models.py

@@ -10,7 +10,7 @@
 
 from . import settings as request_settings
 from .managers import RequestManager
-from .utils import HTTP_STATUS_CODES, browsers, engines
+from .utils import HTTP_STATUS_CODES, browsers, engines, request_is_ajax
 
 AUTH_USER_MODEL = getattr(settings, 'AUTH_USER_MODEL', 'auth.User')
 
@@ -59,7 +59,7 @@ def from_http_request(self, request, response=None, commit=True):
         self.path = request.path[:255]
 
         self.is_secure = request.is_secure()
-        self.is_ajax = request.is_ajax()
+        self.is_ajax = request_is_ajax(request)
 
         # User information.
         self.ip = request.META.get('REMOTE_ADDR', '')

request/utils.py

@@ -154,3 +154,7 @@ def get_verbose_name(class_name):
         ' \\1',
         class_name,
     ).strip()
+
+
+def request_is_ajax(request):
+    return request.META.get('HTTP_X_REQUESTED_WITH') == 'XMLHttpRequest'