Hash algoirthm for rdf

ckanext/odsh/tools.py

@@ -9,9 +9,10 @@ def save_hash_into_resource(context, resource):
         with open(path, 'rb') as file:
             hash = calculate_hash(file)
             package = update_last_resource_if_value_empty(context, resource, 'hash', hash)
+            resources = package.get('resources')
+            last_resource = resources.pop()    
+            if last_resource.get(hash) and not last_resource.get('hash_algorithm'): 
+                last_resource.update({'hash_algorithm': 'http://dcat-ap.de/def/hashAlgorithms/md/5'})
+                resources.append(last_resource)
+                package.update({'resources':resources})
         toolkit.get_action('package_update')(context, package)
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