Centre Button BullSomething on LINUX

@author: dmw
"""
#=====================================================================
#
# Get rid of troublesome paste centre mouse button click...
# (c) Dean Weiten, Winnipeg
# All rights reserved.
#
# Initial Author: Dean Weiten
#
# Create Date: 2019-03-26
# Design Name: KillMouseCentreButtonPaste.py
# Tool versions:
#
#
# Description:
# .
#
# Dependencies:
#
# Revision:
#
# Log: KillMouseCentreButtonPaste.py,v
# Revision 1.1 2019/03/27 01:48:37 dmw
# Initial revision
#
#
#
# Additional Comments:
#
# "Nothing focusses the mind so well as an execution in the morning"
#
# Reminder: to add a module using PIP, do something like this:
# pip install pywt
# OR
# pip3 install pywt
#
#=====================================================================

import sys
import getopt
import subprocess

#***************
# Constants.
#---------------
Version = 0
Issue = 1
IssueDate = "2019-03-26"

#***************
# Function to provide usage help.
#---------------
def usage():
print ("\nGet rid of troublesome paste centre mouse button click, v"+"%1d" % (Version)+"."+"%1d" % (Issue)+" "+IssueDate+" dmw")
print ("\nTypical usage: "+sys.argv[0]+" [option]* ")
print ("\n Options: ")
print (" -v More verbose")

# print ("\n Notes: 1. This program creates non-header binary RAF files for Rigol signal")
# print (" 6. .")

print ("\n RCS Info:")
print (" Header: /home/dmw/src/util/RCS/KillMouseCentreButtonPaste.py,v 1.1 2019/03/27 01:48:37 dmw Exp")

print ("\n")

#***************
# Main function. Called from the bottom of this file!
#---------------
def main():
#***************
# Get command line options. Error results in help text dump and exit.
#---------------
try:
opts, args = getopt.getopt(sys.argv[1:], "dhv", ["help"])
except getopt.GetoptError as Error:
# print help information and exit:
print ("\n")
print (Error) # will print something like "option -a not recognized"
print ("\n------------------------------")
usage()
sys.exit(2)

#***************
# Set defaults.
#---------------
Debug = False
Verbose = False
mousestring = "mouse".lower()
idstring = "id=".lower()

#***************
# Parse values from command line options. Error results in message and exit.
#---------------
for Option, Argument in opts:
if Option in ("-d"): # Debug output (intentionally undocumented in help message).
Debug = True
elif Option in ("-h", "--help"): # Usage help output.
usage()
sys.exit(0)
elif Option in ("-v"): # Turn on verbosity.
Verbose = True
else:
print ("\nUnknown option \"" + Option + " " + Argument + "\", aborting...")
print ("\n------------------------------")
usage()
sys.exit(2)

if (Debug):
Verbose = True # Debug implies verbose.

if (Verbose):
print ("\nGet rid of troublesome paste centre mouse button click, v"+"%1d" % (Version)+"."+"%1d" % (Issue)+" "+IssueDate+" dmw")

#***************
# Dump important values.
#---------------
if (Debug):
print
# " 123456789012345678901234567890= "
# print (" 123456789012345678901234567890= ", )
print ("Important values:");
print (" Debug = " + str( Debug))
print (" Verbose = " + str(Verbose))

NullFile = open ("/dev/null", "w")

XinputList = subprocess.check_output(["xinput", "list"], stderr=NullFile).splitlines()

for XinputLine in XinputList:
LowerXinputLine = XinputLine.lower()
if (LowerXinputLine.find(mousestring)>0):
# print ("found mouse in " + XinputLine)
if (LowerXinputLine.find(idstring)>0):
XinputLineAfterID = LowerXinputLine[LowerXinputLine.index(idstring) + len(idstring):]
SplitUpXinputLineAfterID = XinputLineAfterID.split()
MouseIdentifier = int(SplitUpXinputLineAfterID[0])
MouseIdentifierString = str(SplitUpXinputLineAfterID[0])

try:
XinputButtonmapString = subprocess.check_output(["xinput", "get-button-map", str(MouseIdentifier)], stderr=NullFile).rstrip()
if (Verbose):
print
if (Debug):
print ("Mouse ID " + "{0:2,d}".format(MouseIdentifier) + " has buttonmap: " + XinputButtonmapString)
XinputButtonmapList = XinputButtonmapString.split()
# print XinputButtonmapList
NumberOfButtonmaps = len(XinputButtonmapList)
# print (NumberOfButtonmaps)
if (NumberOfButtonmaps >= 3):
if (Debug):
print (" " + "{0:,d}".format(NumberOfButtonmaps) + " buttons on Mouse ID " + "{0:2,d}".format(MouseIdentifier))

MiddleButtonFunction = int(XinputButtonmapList[1], 10)
# print MiddleButtonFunction
if (MiddleButtonFunction == 0):
if (Verbose):
print (" Second button for Mouse ID " + "{0:2,d}".format(MouseIdentifier) + " has no function")
else:
if (Debug):
print (" Second button has function" + "{0:2,d}".format(MiddleButtonFunction))
XinputButtonmapList[1] = "0"
if (Debug):
print (" Changed buttonmap to: ")
print (XinputButtonmapList)
RunList = ["xinput", "set-button-map", MouseIdentifierString] + XinputButtonmapList
if (Debug):
print (" Run command list:")
print (RunList)

try:
XsetButtonmapString = subprocess.check_output(RunList, stderr=NullFile)
if (Verbose):
print ("-> Changed buttonmap for Mouse ID " + "{0:2,d}".format(MouseIdentifier))
except:
print ("-> Unable to change buttonmap for Mouse ID " + "{0:2,d}".format(MouseIdentifier))
# else:
# print (" only " + "{0:2,d}".format(NumberOfButtonmaps) + " buttons on Mouse ID " + "{0:2,d}".format(MouseIdentifier))
except:
if (Verbose):
print
print ("Mouse ID " + "{0:2,d}".format(MouseIdentifier) + " has no buttonmap")
pass

if (Verbose):
print

# else:
# print ("mouse not found in " + XinputLine)

# sys.exit(0)