Make init scripts Python version agnostic

Now that the Tautulli will run on both major versions of Python we can 
remove the specificity in the init scripts and make them simpler, with 
the added advantage that some OS's will now run Tautulli through Python 
3 instead of Python 2.

CONTRIBUTING.md

@@ -9,7 +9,7 @@ All pull requests should be based on the `nightly` branch, to minimize cross mer
 ### Python Code
 
 #### Compatibility
-The code should work with Python 2.7. Note that Tautulli runs on many different platforms.
+The code should work with Python 2.7.17 or Python 3.6+. Note that Tautulli runs on many different platforms.
 
 Re-use existing code. Do not hesitate to add logging in your code. You can the logger module `plexpy.logger.*` for this. Web requests are invoked via `plexpy.request.*` and derived ones. Use these methods to automatically add proper and meaningful error handling.
 
@@ -38,4 +38,4 @@ HTML5 compatible browsers are targeted.
 * 4 space indentation
 * `methodName`
 * `variableName`
-* `ClassName`
+* `ClassName`

PlexPy.py

@@ -1,8 +1,4 @@
-#!/bin/sh
-''''which python    >/dev/null 2>&1 && exec python    "$0" "$@" # '''
-''''which python2   >/dev/null 2>&1 && exec python2   "$0" "$@" # '''
-''''which python2.7 >/dev/null 2>&1 && exec python2.7 "$0" "$@" # '''
-''''exec echo "Error: Python not found!" # '''
+#!/usr/bin/env python
 
 # -*- coding: utf-8 -*-
 

init-scripts/init.fedora.centos.service

@@ -21,16 +21,16 @@ datadir=/opt/Tautulli
 configfile=/opt/Tautulli/config.ini
 pidfile=/var/run/tautulli.pid
 nice=
-# The following line must point to your Python 2.7 install
-python27=/usr/src/Python-2.7.11/python
+# The following line must point to your Python installation
+python=/usr/bin/python
 ##
 
 options=" --daemon --config $configfile --pidfile $pidfile --datadir $datadir --nolaunch --quiet"
 
 start() {
         # Start daemon.
         echo -n $"Starting $prog: "
-        daemon --pidfile=$pidfile $nice $python27 $homedir/Tautulli.py $options
+        daemon --pidfile=$pidfile $nice $python $homedir/Tautulli.py $options
         RETVAL=$?
         echo
         [ $RETVAL -eq 0 ] && touch $lockfile
@@ -39,7 +39,7 @@ start() {
 
 stop() {
         echo -n $"Shutting down $prog: "
-        killproc -p $pidfile $python27
+        killproc -p $pidfile $python
         RETVAL=$?
         echo
         [ $RETVAL -eq 0 ] && rm -f $lockfile

init-scripts/init.freebsd

@@ -51,7 +51,7 @@ verify_tautulli_pid() {
     # Make sure the pid corresponds to the Tautulli process.
     if [ -f ${tautulli_pid} ]; then
       pid=`cat ${tautulli_pid} 2>/dev/null`
-      ps -p ${pid} | grep -q "python2 ${tautulli_dir}/Tautulli.py"
+      ps -p ${pid} | grep -q "python ${tautulli_dir}/Tautulli.py"
       return $?
     else
       return 0

init-scripts/init.freenas

@@ -51,7 +51,7 @@ verify_tautulli_pid() {
     # Make sure the pid corresponds to the Tautulli process.
     if [ -f ${tautulli_pid} ]; then
       pid=`cat ${tautulli_pid} 2>/dev/null`
-      ps -p ${pid} | grep -q "python2 ${tautulli_dir}/Tautulli.py"
+      ps -p ${pid} | grep -q "python ${tautulli_dir}/Tautulli.py"
       return $?
     else
       return 0