From 9f00b00cefe12606183c0072409e1f8dadeca98e Mon Sep 17 00:00:00 2001
From: Martyn Gigg <martyn.gigg@gmail.com>
Date: Wed, 8 Feb 2017 13:58:04 +0000
Subject: [PATCH] Ensures MantidPlot runs with python's builtin range command
 by default

Adds a test for specifically passing a range to plotSpectrum.
Refs #18746
---
 MantidPlot/mantidplotrc.py              | 6 ++++++
 MantidPlot/test/MantidPlot1DPlotTest.py | 5 ++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/MantidPlot/mantidplotrc.py b/MantidPlot/mantidplotrc.py
index c4d11eeb245e..918c8ab26472 100644
--- a/MantidPlot/mantidplotrc.py
+++ b/MantidPlot/mantidplotrc.py
@@ -22,6 +22,12 @@
     # Import MantidPlot python commands
     import mantidplot
     from mantidplot import *
+    try:
+        # The MantidPlot namespace is not ready for the python3-style range function
+        # so we ensure we revert back to the current built-in version
+        del range
+    except NameError:
+        pass
 
     # Make Mantid available
     import mantid
diff --git a/MantidPlot/test/MantidPlot1DPlotTest.py b/MantidPlot/test/MantidPlot1DPlotTest.py
index 8f8ac606addd..d24add8841b0 100644
--- a/MantidPlot/test/MantidPlot1DPlotTest.py
+++ b/MantidPlot/test/MantidPlot1DPlotTest.py
@@ -52,6 +52,10 @@ def test_plotSpectrum_severalSpectra(self):
         g = plotSpectrum("fake", [0, 1])
         self.g = g
 
+    def test_plotSpectrum_range_command(self):
+        g = plotSpectrum("fake", range(0, 2))
+        self.g = g
+
     def test_Customized1DPlot(self):
         g = plotSpectrum("fake", 0, error_bars=True)
         l = g.activeLayer()
@@ -110,4 +114,3 @@ def test_plotBin_command_with_tuple(self):
 
 # Run the unit tests
 mantidplottests.runTests(MantidPlot1DPlotTest)
-