Added support for printing the parsed structure.

common/python/nomadcore/local_backend.py

@@ -7,12 +7,7 @@ logger = logging.getLogger(__name__)
 
 #===============================================================================
 class LocalBackend(object):
-    """A backend that outputs results into a regular python dictionary. This
-    backend is set up by the Analyzer class which gives it to the parser to use
-    as a backend.
-
-    TODO: Currently uses the metaname as key in the dictionary. This will cause
-    values with the same metaname to be placed in the same array.
+    """A backend that outputs results into a regular python dictionary.
     """
     def __init__(self, metaInfoEnv, fileOut=StringIO.StringIO()):
         self.__metaInfoEnv = metaInfoEnv
@@ -83,6 +78,7 @@ class LocalBackend(object):
         # also gathered so that an informative prompt may be shown if an
         # ambiguous metaname is searched.
         results = self.results._results
+        shortnames = self.results._shortnames
         clash_dict = self.results._clash_dict
 
         # Gather the clashing names
@@ -95,7 +91,7 @@ class LocalBackend(object):
             n_longs = len(longs)
             if n_longs == 1:
                 long_path = longs[0]
-                results[short] = results[long_path]
+                shortnames[short] = results[long_path]
 
 
 #===============================================================================
@@ -138,6 +134,7 @@ class Results(object):
     """
     def __init__(self, metaInfoEnv):
         self._results = defaultdict(list)
+        self._shortnames = defaultdict(list)
         self._clash_dict = defaultdict(list)
         self._metaInfoEnv = metaInfoEnv
 
@@ -160,7 +157,9 @@ class Results(object):
             raise LookupError(message)
 
         # Provide a simplified object if only one entry found
-        value = self._results[metaname]
+        value = self._results.get(metaname)
+        if value is None:
+            value = self._shortnames.get(metaname)
         if len(value) == 1:
             return value[0]
         else:
@@ -191,6 +190,13 @@ class Results(object):
         self.test_validity(metaname)
         return self._metaInfoEnv.infoKinds[metaname]
 
+    def print_summary(self):
+        """Return a string representing the data contained in the results. This
+        is a summary that can be used for debugging.
+        """
+        for key, value in self._results.iteritems():
+            print key + ": {}".format(value)
+
 
 #===============================================================================
 class Section(object):
@@ -278,7 +284,7 @@ class Section(object):
                 path_string += metaname + "/"
             paths.append(path_string)
 
-        # Add all the value with the long and the short path
+        # Add all the value with the long path
         for path in paths:
             for metaname, value in self.simpleValues.iteritems():
                 long_path = path + metaname