misc: use django handler for 404 pages (#30403)

tests/test_publisher.py

@@ -13,6 +13,7 @@ import pytest
 from django.conf import settings
 from django.core.management import call_command
 from django.core.management.base import CommandError
+from django.http import Http404
 from django.test import override_settings
 from quixote import cleanup
 from wcs.qommon.http_request import HTTPRequest
@@ -113,13 +114,13 @@ def test_finish_interrupted_request():
         })
     response = pub.process_request(req)
     assert 'Invalid request: multipart/form-data missing boundary' in str(response)
-    req = HTTPRequest(StringIO.StringIO(''), {
-        'SERVER_NAME': 'example.net',
-        'SCRIPT_NAME': '',
-        'PATH_INFO': '/gloubiboulga',
-        })
-    response = pub.process_request(req)
-    assert '<p>The requested link' in str(response)
+    with pytest.raises(Http404):
+        req = HTTPRequest(StringIO.StringIO(''), {
+            'SERVER_NAME': 'example.net',
+            'SCRIPT_NAME': '',
+            'PATH_INFO': '/gloubiboulga',
+            })
+        response = pub.process_request(req)
 
 def test_get_tenants():
     pub = create_temporary_pub()

wcs/qommon/publisher.py

@@ -173,6 +173,8 @@ class QommonPublisher(Publisher, object):
         if request.is_json():
             request.response.set_content_type('application/json')
             return json.dumps({'err': 1, 'err_class': exc.title, 'err_desc': exc.public_msg})
+        if isinstance(exc, errors.TraversalError):
+            raise Http404()
         output = self.format_publish_error(exc)
         self.session_manager.finish_successful_request()
         return output