override alias in AlgorithmAdapter

Signed-off-by: Jose Borreguero <borreguero@gmail.com>

Framework/API/inc/MantidAPI/Algorithm.h

@@ -168,8 +168,7 @@ public:
   /// Function to return all of the seeAlso (these are not validated) algorithms
   /// related to this algorithm.A default implementation is provided.
   const std::vector<std::string> seeAlso() const override { return {}; };
-  /// function to return any aliases to the algorithm;  A default implementation
-  /// is provided
+  /// function to return any aliases to the algorithm;  A default implementation is provided
   const std::string alias() const override { return ""; }
 
   /// function to return URL for algorithm documentation; A default

Framework/PythonInterface/mantid/api/inc/MantidPythonInterface/api/PythonAlgorithm/AlgorithmAdapter.h

@@ -53,6 +53,8 @@ public:
   const std::string category() const override;
   /// Returns seeAlso related algorithms.
   const std::vector<std::string> seeAlso() const override;
+  /// Allow the method returning the algorithm aliases to be overridden
+  const std::string alias() const override;
   /// Returns optional documentation URL of the algorithm
   const std::string helpURL() const override;
   /// Allow the isRunning method to be overridden

Framework/PythonInterface/mantid/api/src/PythonAlgorithm/AlgorithmAdapter.cpp

@@ -107,6 +107,17 @@ template <typename BaseAlgorithm> const std::vector<std::string> AlgorithmAdapte
   }
 }
 
+/**
+ * Returns the aliases of the algorithm. If not overridden returns the base algorithm implementation
+ */
+template <typename BaseAlgorithm> const std::string AlgorithmAdapter<BaseAlgorithm>::alias() const {
+  try {
+    return callMethod<std::string>(getSelf(), "alias");
+  } catch (UndefinedAttributeError &) {
+    return BaseAlgorithm::alias();
+  }
+}
+
 /**
  * Returns the summary of the algorithm. If not overridden
  * it returns defaultSummary