Catch all embed exceptions in frontend code

wagtail/wagtailembeds/embeds.py

@@ -15,10 +15,13 @@ from wagtail.wagtailembeds.oembed_providers import get_oembed_provider
 from wagtail.wagtailembeds.models import Embed
 
 
-class EmbedNotFoundException(Exception):
+class EmbedException(Exception):
     pass
 
-class EmbedlyException(Exception):
+class EmbedNotFoundException(EmbedException):
+    pass
+
+class EmbedlyException(EmbedException):
     pass
 
 class AccessDeniedEmbedlyException(EmbedlyException):

wagtail/wagtailembeds/format.py

@@ -20,7 +20,7 @@ def embed_to_frontend_html(url):
             'embed': embed,
             'ratio': ratio,
         })
-    except embeds.EmbedNotFoundException:
+    except embeds.EmbedException:
         return ''
 
 
@@ -32,6 +32,6 @@ def embed_to_editor_html(url):
         return render_to_string('wagtailembeds/embed_editor.html', {
             'embed': embed,
         })
-    except embeds.EmbedNotFoundException:
+    except embeds.EmbedException:
         # Could be replaced with a nice error message
         return ''

wagtail/wagtailembeds/templatetags/wagtailembeds_tags.py

@@ -12,5 +12,5 @@ def embed(url, max_width=None):
     try:
         embed = embeds.get_embed(url, max_width=max_width)
         return mark_safe(embed.html)
-    except embeds.EmbedNotFoundException:
+    except embeds.EmbedException:
         return ''