Merge branch 'python3'

python2 is no longer supported, switching default to python3

README.md

@@ -53,10 +53,10 @@ My controller plugs into the wall, and the kiln plugs into the controller.
 
 Download [NOOBs](https://www.raspberrypi.org/downloads/noobs/). Copy files to an SD card. Install raspbian on RPi using NOOBs.
 
-    $ sudo apt-get install python-pip python-dev libevent-dev python-virtualenv
+    $ sudo apt-get install python3-pip python3-dev python3-virtualenv libevent-dev
     $ git clone https://github.com/jbruce12000/kiln-controller.git
     $ cd kiln-controller
-    $ virtualenv venv
+    $ virtualenv -p python3 venv
     $ source venv/bin/activate
     $ pip install --upgrade setuptools
     $ pip install greenlet bottle gevent gevent-websocket
@@ -68,7 +68,7 @@ Download [NOOBs](https://www.raspberrypi.org/downloads/noobs/). Copy files to an
 If you want to deploy the code on a PI for production:
 
     $ cd kiln-controller
-    $ virtualenv venv
+    $ virtualenv -p python3 venv
     $ source venv/bin/activate
     $ pip install RPi.GPIO
 

kiln-controller.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 
 import os
 import sys
@@ -18,8 +18,8 @@ try:
     import config
     sys.dont_write_bytecode = False
 except:
-    print "Could not import config file."
-    print "Copy config.py.EXAMPLE to config.py and adapt it for your setup."
+    print ("Could not import config file.")
+    print ("Copy config.py.EXAMPLE to config.py and adapt it for your setup.")
     exit(1)
 
 logging.basicConfig(level=config.log_level, format=config.log_format)

lib/ovenWatcher.py

@@ -66,10 +66,10 @@ class OvenWatcher(threading.Thread):
             'log': self.lastlog_subset(),
             #'started': self.started
         }
-        print backlog
+        print (backlog)
         backlog_json = json.dumps(backlog)
         try:
-            print backlog_json
+            print (backlog_json)
             observer.send(backlog_json)
         except:
             log.error("Could not send backlog to new observer")