Add support for all primary key formats (#75)

* support pks that are strings

* change pattern to be the same as what the Django admin uses

Author: crccheck

Diff for: django_object_actions/tests/test_admin.py

@@ -4,6 +4,8 @@
 from __future__ import unicode_literals
 
 from django.core.urlresolvers import reverse
+from django.http import HttpResponse
+from mock import patch
 
 from .tests import LoggedInTestCase
 from example_project.polls.factories import CommentFactory, PollFactory
@@ -19,6 +21,26 @@ def test_action_on_a_model_with_uuid_pk_works(self):
         response = self.client.get(action_url)
         self.assertRedirects(response, comment_url)
 
+    @patch('django_object_actions.utils.ChangeActionView.get')
+    def test_action_on_a_model_with_arbitrary_pk_works(self, mock_view):
+        mock_view.return_value = HttpResponse()
+        action_url = '/admin/polls/comment/{0}/actions/hodor/'.format(' i am a pk ')
+
+        self.client.get(action_url)
+
+        self.assertTrue(mock_view.called)
+        self.assertEqual(mock_view.call_args[1]['pk'], ' i am a pk ')
+
+    @patch('django_object_actions.utils.ChangeActionView.get')
+    def test_action_on_a_model_with_slash_in_pk_works(self, mock_view):
+        mock_view.return_value = HttpResponse()
+        action_url = '/admin/polls/comment/{0}/actions/hodor/'.format('pk/slash')
+
+        self.client.get(action_url)
+
+        self.assertTrue(mock_view.called)
+        self.assertEqual(mock_view.call_args[1]['pk'], 'pk/slash')
+
 
 class ChangeTests(LoggedInTestCase):
     def test_buttons_load(self):

Diff for: django_object_actions/utils.py

@@ -115,8 +115,9 @@ def _get_action_urls(self):
         for action in chain(self.change_actions, self.changelist_actions):
             actions[action] = getattr(self, action)
         return [
-            # change, supports pks that are numbers or uuids
-            url(r'^(?P<pk>[0-9a-f\-]+)/actions/(?P<tool>\w+)/$',
+            # change, supports the same pks the admin does
+            # https://github.com/django/django/blob/stable/1.10.x/django/contrib/admin/options.py#L555
+            url(r'^(?P<pk>.+)/actions/(?P<tool>\w+)/$',
                 self.admin_site.admin_view(  # checks permissions
                     ChangeActionView.as_view(
                         model=self.model,