CopyLogs does not work in python with MergeStrategy WipeExisting

[Karl Palmen]

CopyLogs does not work in the following script. The WipeExisting merge strategy is not recognised.

# Create two workspaces
demo_ws1 = CreateWorkspace(DataX=range(0,3), DataY=(0,2))
demo_ws2 = CreateWorkspace(DataX=range(0,3), DataY=(0,2))

# Add sample logs first workspace
AddSampleLog(Workspace=demo_ws1, LogName='x', LogText='hello world', LogType='String')
AddSampleLog(Workspace=demo_ws1, LogName='y', LogText='1', LogType='Number')
AddSampleLog(Workspace=demo_ws1, LogName='z', LogText='2', LogType='Number Series')

# Add sample logs second workspace
AddSampleLog(Workspace=demo_ws2, LogName='x', LogText='hello universe', LogType='String')
AddSampleLog(Workspace=demo_ws2, LogName='w', LogText='3', LogType='Number')

# Fetch the generated logs
run1 = demo_ws1.getRun()
log_x1 = run1.getLogData('x')
log_y = run1.getLogData('y')
log_z = run1.getLogData('z')
run2 = demo_ws2.getRun()
log_x2 = run2.getLogData('x')
log_w = run2.getLogData('w')

# Print the log values
print "Before CopyLog"
print "1st workspace log values x =",log_x1.value,", y =", log_y.value,", z =", log_z.value
print "2nd workspace log values x =",log_x2.value,", w =", log_w.value

# Copy logs of 1st workspace to 2nd workspace
CopyLogs( demo_ws1, demo_ws2, MergeStrategy='•WipeExisting')

# Fetch the new logs
run1 = demo_ws1.getRun()
log_x1 = run1.getLogData('x')
log_y = run1.getLogData('y')
log_z = run1.getLogData('z')
run2 = demo_ws2.getRun()
log_x2 = run2.getLogData('x')
log_y2 = run2.getLogData('y')
log_z2 = run2.getLogData('z')

# Print the log values
print "After CopyLog"
print "1st workspace log values x =",log_x1.value,", y =", log_y.value,", z =", log_z.value
print "2nd workspace log values x =",log_x2.value,", y =", log_y2.value,", z =", log_z2.value

Similar scripts work with the other two merge strategies and WipeExisting works in the GUI.

This issue prevents the creation of a usage example with WipeExisting.

[Karl Palmen]

The script had an invisible character at the start of the 'WipeExisting', which shows up here as a spot ( as in '•WipeExisting' ). After removal of the spot the script worked.

[Karl Palmen]

Amended script has worked as usage example for me in #10052.

[Stuart Campbell]

This ticket has been transferred to github issue ​11039