Don't generate sources with no published GIFs

fragments/sources/all/body_content.html

@@ -2,8 +2,11 @@ <h1>All sources</h1>
 
 <ul>
   {% for page in pages %}
-    <li>
-      <a href='{{page.path}}'>{{page.title}}{% if page.year %} ({{page.year}}){% endif %}</a>
-    </li>
+    {% if page.show_set.count() or page.source_set.count() 
+          or page.artist_set.count() or page.agency_set.count() %}
+      <li>
+        <a href='{{page.path}}'>{{page.title}}{% if page.year %} ({{page.year}}){% endif %}</a>
+      </li>
+    {% endif %}
   {% endfor %}
 </ul>

requirements.txt

@@ -1,4 +1,4 @@
-flourish>=0.9.6
+flourish>=0.9.7
 Pillow
 toml
 tweepy

source/generate.py

@@ -21,6 +21,22 @@ def global_context(self):
 class SourcePage(base.SourceGenerator):
     template_name  = 'base_template.html'
 
+    def get_context_data(self):
+        source = self.source_objects[0]
+        # don't generate GIF sources (eg tv shows, movies, etc)
+        # that have no published GIFs attached
+        if 'type' in source and source.type != 'static':
+            if not (
+                   source.agency_set.count()
+                or source.artist_set.count()
+                or source.episode_set.count()
+                or source.mission_set.count()
+                or source.show_set.count()
+                or source.source_set.count()
+            ):
+                raise self.DoNotGenerate
+        return super().get_context_data()
+
 
 class MostRecentFirstMixin:
     order_by = ('-published')
@@ -126,6 +142,9 @@ def get_objects(self, tokens):
         else:
             _filtered = source.source_set.order_by('-published')
 
+        if _filtered.count() == 0:
+            raise self.DoNotGenerate
+
         _ordered = _filtered.order_by(self.order_by)
 
         if self.limit is not None: