Added missing is_stored_locally() to AbstractDocument

CHANGELOG.txt

@@ -63,6 +63,7 @@ Changelog
  * Fix: Page.copy() no longer copies child objects when the accesssor name is included in `exclude_fields_in_copy` (Karl Hobley)
  * Fix: Move focus to the pages explorer menu when open (Helen Chapman)
  * Fix: Clicking the privacy toggle while the page is still loading no longer loads the wrong data in the page (Helen Chapman)
+ * Fix: Added missing `is_stored_locally` method to `AbstractDocument` (jonny5532)
 
 
 2.5.1 (07.05.2019)

CONTRIBUTORS.rst

@@ -380,6 +380,7 @@ Contributors
 * Jordan Bauer
 * Fidel Ramos
 * Quadric
+* jonny5532
 
 Translators
 ===========

docs/releases/2.6.rst

@@ -94,6 +94,7 @@ Bug fixes
  * Added missing form media to user edit form template (Matt Westcott)
  * ``Page.copy()`` no longer copies child objects when the accesssor name is included in ``exclude_fields_in_copy`` (Karl Hobley)
  * Clicking the privacy toggle while the page is still loading no longer loads the wrong data in the page (Helen Chapman)
+ * Added missing ``is_stored_locally`` method to ``AbstractDocument`` (jonny5532)
 
 
 Upgrade considerations

wagtail/documents/models.py

@@ -52,6 +52,17 @@ class AbstractDocument(CollectionMember, index.Indexed, models.Model):
         index.FilterField('uploaded_by_user'),
     ]
 
+    def is_stored_locally(self):
+        """
+        Returns True if the image is hosted on the local filesystem
+        """
+        try:
+            self.file.path
+
+            return True
+        except NotImplementedError:
+            return False
+
     @contextmanager
     def open_file(self):
         # Open file if it is closed