Google Cloud Error Logging via middleware

README.rst

@@ -48,6 +48,15 @@ Quickstart
 
 Note: ``handler500`` is only used if ``DEBUG = False`` in django settings.
 
+3b) Instead of using ``handler500`` you can use a middleware to catch and send all the
+exceptions to Google Cloud error reporting API. Just add the middleware in your settings::
+
+    # in myproject/settings.py
+    MIDDLEWARE = [
+        ...
+        "dj_cloud_error.middleware.GoogleCloudMiddleware",
+    ]
+
 Settings
 ========
 

dj_cloud_error/middleware.py

@@ -0,0 +1,27 @@
+import os
+
+from google.cloud import error_reporting
+
+
+class GoogleCloudMiddleware:
+    def __init__(self, get_response):
+        self.get_response = get_response
+        # One-time configuration and initialization.
+        service = os.environ.get("GOOGLE_CLOUD_ERROR_SERVICE", None)
+        version = os.environ.get("GOOGLE_CLOUD_ERROR_VERSION", None)
+        self.client = error_reporting.Client(service=service, version=version)
+
+    def __call__(self, request):
+        # Code to be executed for each request before
+        # the view (and later middleware) are called.
+
+        response = self.get_response(request)
+
+        # Code to be executed for each request/response after
+        # the view is called.
+
+        return response
+
+    def process_exception(self, request, exception):
+        self.client.report_exception()
+        return None

tests/test_middleware.py

@@ -0,0 +1,27 @@
+from unittest import mock
+
+from django.test import TestCase, modify_settings, override_settings
+from django.urls import reverse
+
+from tests.apps.example.views import MyException
+
+
+class TestMiddleware(TestCase):
+    def setUp(self):
+        self.exception = Exception()
+
+    @modify_settings(
+        MIDDLEWARE={
+            "append": "dj_cloud_error.middleware.GoogleCloudMiddleware",
+        }
+    )
+    @override_settings(DEBUG=False)
+    def test_process_exception(self):
+        with mock.patch(
+            "google.cloud.error_reporting.Client", autospec=True
+        ) as mock_client_class, self.assertRaises(MyException):
+            self.client.get(reverse("example:error"))
+
+        mock_client_class.assert_called()
+        mock_client = mock_client_class()
+        mock_client.report_exception.assert_called()