Merge branch 'loop_input_access' into 'master'

Give loop full access to input content in prepare

See merge request !29

beat/backend/python/algorithm.py

@@ -204,7 +204,7 @@ class Runner(object):
 
         # The method is optional
         if hasattr(self.obj, 'prepare'):
-            if self.algorithm.is_autonomous:
+            if self.algorithm.type in [Algorithm.AUTONOMOUS, Algorithm.LOOP_USER]:
                 self.prepared = loader.run(self.obj, 'prepare', self.exc, data_loaders.secondaries())
             else:
                 self.prepared = loader.run(self.obj, 'prepare', self.exc, data_loaders)