Modernize the code for Django 4.2

Applied via django-upgrade

Author: ulgens

django_prometheus/middleware.py

@@ -219,10 +219,10 @@ def process_request(self, request):
         self.label_metric(self.metrics.requests_by_transport, request, transport=transport).inc()
 
         # Mimic the behaviour of the deprecated "Request.is_ajax()" method.
-        if request.META.get("HTTP_X_REQUESTED_WITH") == "XMLHttpRequest":
+        if request.headers.get("x-requested-with") == "XMLHttpRequest":
             self.label_metric(self.metrics.requests_ajax, request).inc()
 
-        content_length = int(request.META.get("CONTENT_LENGTH") or 0)
+        content_length = int(request.headers.get("content-length") or 0)
         self.label_metric(self.metrics.requests_body_bytes, request).observe(content_length)
         request.prometheus_after_middleware_event = Time()
 

django_prometheus/tests/end2end/testapp/urls.py

@@ -1,16 +1,16 @@
 from django.contrib import admin
-from django.urls import include, path, re_path
+from django.urls import include, path
 
 from testapp import views
 
 urlpatterns = [
-    re_path(r"^$", views.index),
-    re_path(r"^help$", views.help),
-    re_path(r"^slow$", views.slow, name="slow"),
-    re_path(r"^objection$", views.objection),
-    re_path(r"^sql$", views.sql),
-    re_path(r"^newlawn/(?P<location>[a-zA-Z0-9 ]+)$", views.newlawn),
-    re_path(r"^file$", views.file),
+    path("", views.index),
+    path("help", views.help),
+    path("slow", views.slow, name="slow"),
+    path("objection", views.objection),
+    path("sql", views.sql),
+    path("newlawn/<str:location>", views.newlawn),
+    path("file", views.file),
     path("", include("django_prometheus.urls")),
-    re_path(r"^admin/", admin.site.urls),
+    path("admin/", admin.site.urls),
 ]