many changes

atlas/models.py

@@ -138,7 +138,10 @@ def _series_declared_groups_cache_key(series_id):
 def invalidate_series_declared_groups_cache(series_id):
     if not series_id:
         return
-    cache.delete(_series_declared_groups_cache_key(series_id))
+    try:
+        cache.delete(_series_declared_groups_cache_key(series_id))
+    except Exception:
+        pass
 
 
 def _build_declared_series_groups(series, series_images_with_urls):
@@ -155,7 +158,10 @@ def _build_declared_series_groups(series, series_images_with_urls):
             for image_obj, image_url in series_images_with_urls
         ],
     }
-    cached = cache.get(cache_key)
+    try:
+        cached = cache.get(cache_key)
+    except Exception:
+        cached = None
     if isinstance(cached, dict):
         if cached.get("signature") == signature:
             return cached.get("groups", [])
@@ -257,7 +263,10 @@ def _build_declared_series_groups(series, series_images_with_urls):
                 "groupValues": {},
             }
         ]
-        cache.set(cache_key, {"signature": signature, "groups": result}, timeout=60 * 60)
+        try:
+            cache.set(cache_key, {"signature": signature, "groups": result}, timeout=60 * 60)
+        except Exception:
+            pass
         return result
 
     grouped = {}
@@ -313,7 +322,10 @@ def _build_declared_series_groups(series, series_images_with_urls):
             }
         )
 
-    cache.set(cache_key, {"signature": signature, "groups": ordered_groups}, timeout=60 * 60)
+    try:
+        cache.set(cache_key, {"signature": signature, "groups": ordered_groups}, timeout=60 * 60)
+    except Exception:
+        pass
     return ordered_groups