Fixed undefined force_text function

.travis.yml

@@ -1,21 +1,23 @@
 language: python
 
 python:
-  - 3.5
   - 3.6
-  - 3.7
   - 3.8
+  - 3.9
 
 env:
   - DJANGO_VERSION=2.*
   - DJANGO_VERSION=3.*
+  - DJANGO_VERSION=4.*
 
 matrix:
   exclude:
-    - python: 3.5
-      env: DJANGO_VERSION=3.*
+    - python: 3.6
+      env: DJANGO_VERSION=4.*
     - python: 3.8
       env: DJANGO_VERSION=2.*
+    - python: 3.9
+      env: DJANGO_VERSION=2.*
 
 install:
   - pip install django==$DJANGO_VERSION

django_ajax/decorators.py

@@ -58,10 +58,10 @@ def my_view(request):
     def decorator(func):
         @wraps(func, assigned=WRAPPER_ASSIGNMENTS)
         def inner(request, *args, **kwargs):
-            if mandatory and not request.is_ajax():
+            if mandatory and not request.headers.get('x-requested-with') == 'XMLHttpRequest':
                 return HttpResponseBadRequest()
 
-            if request.is_ajax():
+            if request.headers.get('x-requested-with') == 'XMLHttpRequest':
                 # return json response
                 try:
                     return render_to_json(func(request, *args, **kwargs), request, **ajax_kwargs)

django_ajax/encoder.py

@@ -7,7 +7,7 @@
 from datetime import date
 from django.http.response import HttpResponseRedirectBase, HttpResponse
 from django.template.response import TemplateResponse
-from django.utils.encoding import force_text
+from django.utils.encoding import force_str
 from django.db.models.base import ModelBase
 from decimal import Decimal
 
@@ -28,7 +28,7 @@ def default(self, obj):
         elif issubclass(type(obj), HttpResponse):
             return obj.content
         elif issubclass(type(obj), Exception) or isinstance(obj, bytes):
-            return force_text(obj)
+            return force_str(obj)
 
         # this handles querysets and other iterable types
         try:
@@ -40,7 +40,7 @@ def default(self, obj):
 
         # this handlers Models
         if isinstance(obj.__class__, ModelBase):
-            return force_text(obj)
+            return force_str(obj)
 
         if isinstance(obj, Decimal):
             return float(obj)

django_ajax/middleware.py

@@ -17,7 +17,7 @@ def process_response(self, request, response):
         If the request was made by AJAX then convert response to JSON,
         otherwise return the original response.
         """
-        if request.is_ajax():
+        if request.headers.get('x-requested-with') == 'XMLHttpRequest':
             return render_to_json(response)
         return response
 
@@ -26,5 +26,5 @@ def process_exception(self, request, exception):
         Catch exception if the request was made by AJAX,
         after will become up on JSON.
         """
-        if request.is_ajax():
+        if request.headers.get('x-requested-with') == 'XMLHttpRequest':
             return exception

tests/ajaxdecorator/urls.py

@@ -3,9 +3,12 @@
 import django
 
 try:
-    from django.conf.urls import patterns, include, url
+    try:
+        from django.conf.urls import patterns, include, url
+    except ImportError:
+        from django.conf.urls import include, url
 except ImportError:
-    from django.conf.urls import include, url
+    from django.urls import include, re_path
 
 if django.VERSION < (1, 8):
     urlpatterns = patterns('',
@@ -16,7 +19,7 @@
         url(r'^ajax/exception$', views.exception_view, name='exception'),
         url(r'^ajax/raise-exception$', views.raise_exception_view, name='raise_exception'),
     )
-else:
+elif django.VERSION < (4, 0):
     urlpatterns = [
         url(r'^ajax/foo$', views.foo_view, name='foo'),
         url(r'^ajax/login-required$', views.login_required_view, name='login_required'),
@@ -25,3 +28,12 @@
         url(r'^ajax/exception$', views.exception_view, name='exception'),
         url(r'^ajax/raise-exception$', views.raise_exception_view, name='raise_exception'),
     ]
+else:
+    urlpatterns = [
+        re_path(r'^ajax/foo$', views.foo_view, name='foo'),
+        re_path(r'^ajax/login-required$', views.login_required_view, name='login_required'),
+        re_path(r'^ajax/render$', views.render_view, name='render'),
+        re_path(r'^ajax/render-class-based-view$', views.SimpleView.as_view(), name='render_class_based_view'),
+        re_path(r'^ajax/exception$', views.exception_view, name='exception'),
+        re_path(r'^ajax/raise-exception$', views.raise_exception_view, name='raise_exception'),
+    ]

tests/ajaxmiddleware/urls.py

@@ -3,9 +3,12 @@
 import django
 
 try:
-    from django.conf.urls import patterns, include, url
+    try:
+        from django.conf.urls import patterns, include, url
+    except ImportError:
+        from django.conf.urls import include, url
 except ImportError:
-    from django.conf.urls import include, url
+    from django.urls import include, re_path
 
 if django.VERSION < (1, 8):
     urlpatterns = patterns('',
@@ -16,7 +19,7 @@
         url(r'^ajax/exception$', views.exception_view, name='exception'),
         url(r'^ajax/raise-exception$', views.raise_exception_view, name='raise_exception'),
     )
-else:
+elif django.VERSION < (4, 0):
     urlpatterns = [
         url(r'^ajax/foo$', views.foo_view, name='foo'),
         url(r'^ajax/login-required$', views.login_required_view, name='login_required'),
@@ -25,3 +28,12 @@
         url(r'^ajax/exception$', views.exception_view, name='exception'),
         url(r'^ajax/raise-exception$', views.raise_exception_view, name='raise_exception'),
     ]
+else:
+    urlpatterns = [
+        re_path(r'^ajax/foo$', views.foo_view, name='foo'),
+        re_path(r'^ajax/login-required$', views.login_required_view, name='login_required'),
+        re_path(r'^ajax/render$', views.render_view, name='render'),
+        re_path(r'^ajax/render-class-based-view$', views.SimpleView.as_view(), name='render_class_based_view'),
+        re_path(r'^ajax/exception$', views.exception_view, name='exception'),
+        re_path(r'^ajax/raise-exception$', views.raise_exception_view, name='raise_exception'),
+    ]