Fixed issue where there was an error if the REST API used for aliases was down

Added option to download as JPEG in addition to SVG for basic stats figures

1 files changed, 12 insertions, 10 deletions

diff --git a/wqflask/base/trait.py b/wqflask/base/trait.py
index 58169b5c..322fb252 100644
--- a/wqflask/base/trait.py
+++ b/wqflask/base/trait.py
@@ -138,17 +138,19 @@ class GeneralTrait(object):
             human_response = requests.get("http://gn2.genenetwork.org/gn3/gene/aliases/" + self.symbol.upper())
             mouse_response = requests.get("http://gn2.genenetwork.org/gn3/gene/aliases/" + self.symbol.capitalize())
             other_response = requests.get("http://gn2.genenetwork.org/gn3/gene/aliases/" + self.symbol.lower())
-            alias_list = json.loads(human_response.content) + json.loads(mouse_response.content) + json.loads(other_response.content)
 
-            filtered_aliases = []
-            seen = set()
-            for item in alias_list:
-                if item in seen:
-                    continue
-                else:
-                    filtered_aliases.append(item)
-                    seen.add(item)
-            alias = "; ".join(filtered_aliases)
+            if human_response and mouse_response and other_response:
+                alias_list = json.loads(human_response.content) + json.loads(mouse_response.content) + json.loads(other_response.content)
+
+                filtered_aliases = []
+                seen = set()
+                for item in alias_list:
+                    if item in seen:
+                        continue
+                    else:
+                        filtered_aliases.append(item)
+                        seen.add(item)
+                alias = "; ".join(filtered_aliases)
 
         return alias