Merge branch '_compatible_sml_py3' of gitlab.aip.de:yfournier/myplotlib into _compatible_sml_py3

mpl_server.py

@@ -11,7 +11,7 @@ from . import SERVER_FIGURES
 from . import MplFig
 
 from . import DBUG, WARN, SPCE, SEVR, INFO
-from . import MplUnpickler
+from . import MplUnpickler, MplData
 
 from . import D_DEBUG
 
@@ -77,11 +77,20 @@ class MplHandler(socketserver.StreamRequestHandler):
         # Try to execute the instructions
         try:
             for data_name in data_names:
-                merged_data.append(self.server._rawdata[data_name].data)
+                if self.server._rawdata.get(data_name, None) is not None:
+                    merged_data.append(self.server._rawdata[data_name].data)
+                else:
+                    return Status(False, 'Could not create ' 
+                          + str(merged_name) + ', ' + str(data_name) + ' does not exist...') 
                 
             self.server._rawdata[merged_name] = MplData(data=merged_data, name=merged_name)
+
+            return Status(True, 'data '
+                          + str(merged_name) + ' was successfully created from ' + str(data_names))
         except Exception:
-            pass
+
+            return Status(False, 'Could not create ' 
+                          + str(merged_data) + ' from ' + str(data_names)) 
             
         return False                     # should never get here