use python3 in all #!python lines

configs/apps/gladevcp/colored-label/coloredlabel.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # vim: sts=4 sw=4 et
 #    This is a component of LinuxCNC
 #    complex.py Copyright 2011 Michael Haberler

configs/apps/gladevcp/complex/complex.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # vim: sts=4 sw=4 et
 #    This is a component of LinuxCNC
 #    complex.py Copyright 2010 Michael Haberler

configs/apps/gladevcp/templates/classhandler.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # vim: sts=4 sw=4 et
 #    This is a component of LinuxCNC
 #    classhandler.py  Copyright 2010 Michael Haberler

configs/apps/gladevcp/templates/classhandler_persistent.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # vim: sts=4 sw=4 et
 #    This is a component of LinuxCNC
 #    classhandler_persistent.py  Copyright 2010 Michael Haberler

configs/sim/axis/db_demo/db.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Demonstrate LinuxCNC interface for a database of tools
 

configs/sim/axis/gladevcp/probe.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # vim: sts=4 sw=4 et
 #    This is a component of Linuxcnc
 #    probe.py Copyright 2010 Michael Haberler

configs/sim/axis/remap/manual-toolchange-with-tool-length-switch/python/gladevcp-handler.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import hal
 

configs/sim/axis/vismach/3axis-tutorial/3axis-tutorial

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python3
 
 # Rolf Redford, Nov 2018
 

configs/sim/axis/vismach/rolfmill/rolfmill

@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python3
 
 #import libraries
 from vismach import *

configs/sim/gmoccapy/gmoccapy_plasma/plasma.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding:UTF-8 -*-
 """
     This file will control some options of the gmoccapy plasma screen

configs/sim/gmoccapy/gmoccapy_plasma/signals.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding:UTF-8 -*-
 """
     This file will control some options of the gmoccapy plasma screen

configs/sim/gmoccapy/plasma_config/plasma.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding:UTF-8 -*-
 """
     This file will control some options of the gmoccapy plasma screen

configs/sim/gmoccapy/plasma_config/signals.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding:UTF-8 -*-
 """
     This file will control some options of the gmoccapy plasma screen

configs/sim/qtvcp_screens/qtvcp_experimental/lathehandler.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # vim: sts=4 sw=4 et
 #    This is a component of EMC
 #    savestate.py copyright 2013 Andy Pugh

docs/src/config/ini-config.txt

@@ -511,7 +511,7 @@ This example program filters a file and adds a W axis to match the Z axis.
 It depends on there being a space between each axis word to work.
 
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 

docs/src/config/ini-config_es.txt

@@ -489,7 +489,7 @@ Este programa de ejemplo filtra un archivo y agrega un eje W para que coincida c
 Depende de que haya un espacio entre cada palabra de eje para trabajar.
 
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 

docs/src/config/ini_config_fr.txt

@@ -546,7 +546,7 @@ Cet exemple de programme filtre un fichier et ajoute un axe W correspondant à
 l'axe Z. Il marchera selon la présence d'un espace entre chaque mot d'axe.
 
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 

docs/src/config/python-interface.txt

@@ -61,7 +61,7 @@ linuxcnc is running for typical values):
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import sys
 import linuxcnc
@@ -376,7 +376,7 @@ are integers and the rest are floats.
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 s = linuxcnc.stat()
@@ -399,7 +399,7 @@ of a particular axis:
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 s = linuxcnc.stat()
@@ -548,7 +548,7 @@ so an appropriate test before sending an MDI command through
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 s = linuxcnc.stat()
@@ -570,7 +570,7 @@ Before sending a command, initialize a command channel like so:
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 c = linuxcnc.command()
@@ -750,7 +750,7 @@ c.tool_offset(toolno, z_offset,  x_offset, diameter, frontangle, backangle, orie
 
 [source, python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import linuxcnc
 c = linuxcnc.command()
 
@@ -819,7 +819,7 @@ one error channel reader task in a setup.
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 e = linuxcnc.error_channel()
@@ -843,7 +843,7 @@ Here's an example for reading values from an ini file through the
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 # run as:
 # python ini-example.py ~/emc2-dev/configs/sim/axis/axis_mm.ini

docs/src/config/python-interface_es.txt

@@ -63,7 +63,7 @@ linuxcnc se está ejecutando para valores típicos):
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import sys
 import linuxcnc
@@ -375,7 +375,7 @@ son enteros y el resto son floats.
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 s = linuxcnc.stat()
@@ -398,7 +398,7 @@ de un eje particular:
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 s = linuxcnc.stat()
@@ -547,7 +547,7 @@ entonces una prueba apropiada antes de enviar un comando MDI a través de
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 s = linuxcnc.stat()
@@ -569,7 +569,7 @@ Antes de enviar un comando, inicialice un canal de comando así:
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 c = linuxcnc.command()
@@ -739,7 +739,7 @@ c.tool_offset(toolno, z_offset,  x_offset, diameter, frontangle, backangle, orie
 
 [source, python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import linuxcnc
 c = linuxcnc.command()
 
@@ -807,7 +807,7 @@ una tarea de lector de canal de error en una configuración.
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 import linuxcnc
 e = linuxcnc.error_channel()
@@ -831,7 +831,7 @@ objeto `linuxcnc.ini`:
 
 [source,python]
 ---------------------------------------------------------------------
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 # run as:
 # python ini-example.py ~/emc2-dev/configs/sim/axis/axis_mm.ini

docs/src/gui/GStat.txt

@@ -49,7 +49,7 @@ of G20/G21.
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import hal
 from hal_glib import GStat
@@ -93,7 +93,7 @@ This file assumes there are three GTK labels named: +
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from hal_glib import GStat
 GSTAT = GStat()
@@ -134,7 +134,7 @@ This handler file assumes there are three QLabels named: +
 'interp_state_label' +
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from qtvcp.core import Status
 GSTAT = Status()

docs/src/gui/filter_programs.txt

@@ -86,7 +86,7 @@ Then it reads the program line by line and passes it to standard output. +
 As it does along it updates any process listening to standard error output'
 [source,python]
 ----
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 import sys
 import os

docs/src/gui/qtvcp_code_snippets.txt

@@ -591,7 +591,7 @@ Run this in a separate terminal from linuxcnc to see the sent messages. +
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 from time import sleep
 
 import zmq

docs/src/gui/qtvcp_code_snippets_es.txt

@@ -504,7 +504,7 @@ Run this in a separate terminal from linuxcnc to see the sent messages. +
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 from time import sleep
 
 import zmq

docs/src/gui/qtvcp_custom_widgets.txt

@@ -32,7 +32,7 @@ Lets look at a snippet of simple_widgets.py. +
 
 [source,python]
 ----
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 ###############################
 # Imports
@@ -94,7 +94,7 @@ This LED indicator widget will respond to selectable linuxcnc controller states.
 
 [source,python]
 ----
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 ###############################
 # Imports
@@ -476,7 +476,7 @@ to import them. +
 
 
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from PyQt5 import QtCore, QtGui
 from PyQt5.QtDesigner import QPyDesignerCustomWidgetPlugin
@@ -521,7 +521,7 @@ class LcncGridLayoutPlugin(QPyDesignerCustomWidgetPlugin):
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from PyQt5 import QtCore, QtGui
 from PyQt5.QtDesigner import QPyDesignerCustomWidgetPlugin
@@ -569,7 +569,7 @@ in a more convenient way. This is the plugin used for action buttons. +
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sip
 from PyQt5 import QtCore, QtGui, QtWidgets

docs/src/gui/qtvcp_custom_widgets_es.txt

@@ -32,7 +32,7 @@ Lets look at a snippet of simple_widgets.py. +
 
 [source,python]
 ----
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 ###############################
 # Imports
@@ -94,7 +94,7 @@ This LED indicator widget will respond to selectable linuxcnc controller states.
 
 [source,python]
 ----
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 ###############################
 # Imports
@@ -396,7 +396,7 @@ to import them. +
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from PyQt5 import QtCore, QtGui
 from PyQt5.QtDesigner import QPyDesignerCustomWidgetPlugin
@@ -441,7 +441,7 @@ class LcncGridLayoutPlugin(QPyDesignerCustomWidgetPlugin):
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 from PyQt5 import QtCore, QtGui
 from PyQt5.QtDesigner import QPyDesignerCustomWidgetPlugin
@@ -489,7 +489,7 @@ in a more convenient way. This is the plugin used for action buttons. +
 
 [source,python]
 ----
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sip
 from PyQt5 import QtCore, QtGui, QtWidgets