Merge pull request #38486 from mantidproject/mantidaxes_lines_and_ren…

…ameworkspace_exception

account for lines sharing graphs with workspaces in mantidaxes

Framework/PythonInterface/mantid/plots/mantidaxes.py

@@ -7,6 +7,7 @@
 #  This file is part of the mantid package
 from collections.abc import Iterable
 import copy
+from enum import IntEnum
 from functools import wraps
 
 import numpy as np
@@ -37,9 +38,13 @@
 
 WATERFALL_XOFFSET_DEFAULT, WATERFALL_YOFFSET_DEFAULT = 10, 20
 
+
 # -----------------------------------------------------------------------------
 # Decorators
 # -----------------------------------------------------------------------------
+class AxisArgType(IntEnum):
+    WORKSPACE = 0
+    LINE = 1
 
 
 def plot_decorator(func):
@@ -50,6 +55,8 @@ def wrapper(self, *args, **kwargs):
         # Saves saving it on array objects
         if datafunctions.validate_args(*args, **kwargs):
             # Fill out kwargs with the values of args
+            kwargs["argType"] = AxisArgType.WORKSPACE
+
             kwargs["workspaces"] = args[0].name()
             kwargs["function"] = func_name
 
@@ -58,8 +65,9 @@ def wrapper(self, *args, **kwargs):
             if "cmap" in kwargs and isinstance(kwargs["cmap"], Colormap):
                 kwargs["cmap"] = kwargs["cmap"].name
             self.creation_args.append(kwargs)
-        elif func_name == "axhline" or func_name == "axvline":
-            self.creation_args.append({"function": func_name, "args": args, "kwargs": kwargs})
+        elif func_name in ["axhline", "axvline"]:
+            new_creation_args = {"function": func_name, "args": args, "kwargs": kwargs, "argType": AxisArgType.LINE}
+            self.creation_args.append(new_creation_args)
 
         return func_value
 
@@ -478,8 +486,11 @@ def rename_workspace(self, new_name, old_name):
         :param new_name : the new name of workspace
         :param old_name : the old name of workspace
         """
+
         for cargs in self.creation_args:
-            if cargs["workspaces"] == old_name:
+            argType = cargs["argType"]
+            # for workspace creation args, since lines dont have "workspaces"
+            if argType == AxisArgType.WORKSPACE and cargs["workspaces"] == old_name:
                 cargs["workspaces"] = new_name
         for ws_name, ws_artist_list in list(self.tracked_workspaces.items()):
             for ws_artist in ws_artist_list:

docs/source/release/6.12.0/Framework/PythonInterface/Bugfixes/38486.rst

@@ -0,0 +1 @@
+:class:`~mantid.plots.MantidAxes` accounts for plotting both workspaces and lines on the same axis in the rename case

qt/applications/workbench/workbench/plotting/figureinteraction.py

@@ -861,7 +861,7 @@ def _change_plot_normalization(self, ax):
                         raise RuntimeError("No spectrum number associated with plot of " "workspace '{}'".format(workspace.name()))
 
                 arg_set_copy = copy(arg_set)
-                for key in ["function", "workspaces", "autoscale_on_update", "norm"]:
+                for key in ["function", "workspaces", "autoscale_on_update", "norm", "argType"]:
                     try:
                         del arg_set_copy[key]
                     except KeyError: