py3k: Make CFVariable hashable.

SciTools · Sep 7, 2015 · 5194a31 · 5194a31
1 parent 3c5f540
commit 5194a31
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/iris/fileformats/cf.py b/lib/iris/fileformats/cf.py
@@ -167,6 +167,10 @@ def __ne__(self, other):
         # CF variable names are unique.
         return self.cf_name != other.cf_name
 
+    def __hash__(self):
+        # CF variable names are unique.
+        return hash(self.cf_name)
+
     def __getattr__(self, name):
         # Accessing netCDF attributes is surprisingly slow. Since
         # they're often read repeatedly, caching the values makes things