Update for Python3 (not tested on hardware)

examples/serial_port.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 from ioLabs import USBBox
@@ -9,4 +10,4 @@
 while True:
     bytes=usbbox.serial.read()
     if bytes:
-        print bytes
+        print(bytes)

examples/simonsays.py

@@ -1,4 +1,8 @@
+from __future__ import print_function
 
+from builtins import input
+from builtins import zip
+from builtins import range
 from ioLabs import USBBox, REPORT
 import time
 
@@ -12,7 +16,7 @@ def flash(usbbox,led_mask=0xFF,rate=1,count=1):
 
     # ensure light off first
     usbbox.commands.p2set(0x00)
-    for i in xrange(count):
+    for i in range(count):
         usbbox.commands.p2set(led_mask)
         time.sleep(rate/2.0)
         usbbox.commands.p2set(0x00)
@@ -33,8 +37,8 @@ def simon_says(usbbox,num):
 
     # create a random sequence (0-7)
     import random
-    order=[random.choice(xrange(8)) for i in range(num)]
-    print "simon says:", " ".join([BUTTON_COLORS[i] for i in order])
+    order=[random.choice(range(8)) for i in range(num)]
+    print("simon says:", " ".join([BUTTON_COLORS[i] for i in order]))
 
     # flash LEDs once
     flash(usbbox)
@@ -104,25 +108,25 @@ def key_report(report):
         # should tell us how long the user took to press all of the
         # buttons
         last_press=keyevents[-1].rtc
-        print "correct (%dms)" % last_press
+        print("correct (%dms)" % last_press)
         flash(usbbox)
     else:
-        print "user said:", " ".join([BUTTON_COLORS[event.key_code] for event in keyevents])
-        print "wrong"
+        print("user said:", " ".join([BUTTON_COLORS[event.key_code] for event in keyevents]))
+        print("wrong")
         flash(usbbox,rate=0.25,count=3)
 
     return correct
 
 usbbox=USBBox()
 
-print "Simon Says"
-print "consists of several rounds of sequences being shown:"
-print "1) LEDs will flash on box"
-print "2) a sequence of LEDs will be shown"
-print "3) after the sequence finishes the LEDs will flash again"
-print "4) enter in the sequence previously shown (press the buttons that match the LEDs)"
-print "5) if you get it right the LEDs will flash once and it'll repeat the cycle (with one more item to remember)"
-print "6) if you get it wrong the LEDs will flash three times and you'll be asked if you want to play a new game"
+print("Simon Says")
+print("consists of several rounds of sequences being shown:")
+print("1) LEDs will flash on box")
+print("2) a sequence of LEDs will be shown")
+print("3) after the sequence finishes the LEDs will flash again")
+print("4) enter in the sequence previously shown (press the buttons that match the LEDs)")
+print("5) if you get it right the LEDs will flash once and it'll repeat the cycle (with one more item to remember)")
+print("6) if you get it wrong the LEDs will flash three times and you'll be asked if you want to play a new game")
 
 # use logset so that 1 turns LED on and 0 turn LED off
 usbbox.commands.logset(0xFF,0xFF)
@@ -132,15 +136,15 @@ def key_report(report):
 usbbox.commands.dirset(0,0,0)
 
 while True:
-    command=raw_input("play game y/n [y]: ").strip()
+    command=input("play game y/n [y]: ").strip()
     if command == '':
         command = 'y'
     if command.lower() != 'y':
         break
 
     for i in range(1,50):
         time.sleep(1)
-        print "%d to remember" % i
+        print("%d to remember" % i)
         if not simon_says(usbbox,i):
             break
 

examples/simonsays2.py

@@ -1,4 +1,7 @@
+from __future__ import print_function
 
+from builtins import input
+from builtins import range
 from ioLabs import USBBox, REPORT
 import time
 
@@ -11,7 +14,7 @@ def flash(usbbox,led_mask=0xFF,rate=1,count=1):
 
     # ensure light off first
     usbbox.leds.state=0x00
-    for i in xrange(count):
+    for i in range(count):
         usbbox.leds.state=led_mask
         time.sleep(rate/2.0)
         usbbox.leds.state=0x00
@@ -32,8 +35,8 @@ def simon_says(usbbox,num):
 
     # create a random sequence (0-7)
     import random
-    order=[random.choice(xrange(8)) for i in range(num)]
-    print "simon says:", " ".join([BUTTON_COLORS[i] for i in order])
+    order=[random.choice(range(8)) for i in range(num)]
+    print("simon says:", " ".join([BUTTON_COLORS[i] for i in order]))
 
     # flash LEDs once
     flash(usbbox)
@@ -87,25 +90,25 @@ def simon_says(usbbox,num):
         # should tell us how long the user took to press all of the
         # buttons
         last_press=keyevents[-1].rtc
-        print "correct (%dms)" % last_press
+        print("correct (%dms)" % last_press)
         flash(usbbox)
     else:
-        print "user said:", " ".join([BUTTON_COLORS[event.key_code] for event in keyevents])
-        print "wrong"
+        print("user said:", " ".join([BUTTON_COLORS[event.key_code] for event in keyevents]))
+        print("wrong")
         flash(usbbox,rate=0.25,count=3)
 
     return correct
 
 usbbox=USBBox()
 
-print "Simon Says"
-print "consists of several rounds of sequences being shown:"
-print "1) LEDs will flash on box"
-print "2) a sequence of LEDs will be shown"
-print "3) after the sequence finishes the LEDs will flash again"
-print "4) enter in the sequence previously shown (press the buttons that match the LEDs)"
-print "5) if you get it right the LEDs will flash once and it'll repeat the cycle (with one more item to remember)"
-print "6) if you get it wrong the LEDs will flash three times and you'll be asked if you want to play a new game"
+print("Simon Says")
+print("consists of several rounds of sequences being shown:")
+print("1) LEDs will flash on box")
+print("2) a sequence of LEDs will be shown")
+print("3) after the sequence finishes the LEDs will flash again")
+print("4) enter in the sequence previously shown (press the buttons that match the LEDs)")
+print("5) if you get it right the LEDs will flash once and it'll repeat the cycle (with one more item to remember)")
+print("6) if you get it wrong the LEDs will flash three times and you'll be asked if you want to play a new game")
 
 # use logset so that 1 turns LED on and 0 turn LED off
 usbbox.leds.logic=0xFF
@@ -115,15 +118,15 @@ def simon_says(usbbox,num):
 usbbox.disable_loopback()
 
 while True:
-    command=raw_input("play game y/n [y]: ").strip()
+    command=input("play game y/n [y]: ").strip()
     if command == '':
         command = 'y'
     if command.lower() != 'y':
         break
 
     for i in range(1,50):
         time.sleep(1)
-        print "%d to remember" % i
+        print("%d to remember" % i)
         if not simon_says(usbbox,i):
             break
 

hid/__init__.py

@@ -5,6 +5,7 @@
 and interacting with those devices.
 '''
 
+from builtins import object
 import logging
 
 import os

hid/cparser.py

@@ -1,5 +1,8 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
+from builtins import next
+from past.builtins import basestring
+from builtins import object
 from ctypes import *
 import re
 
@@ -42,7 +45,7 @@ def define(name, t):
 
 def _parse_type(type_str):
     # see if the type is there
-    if _types.has_key(type_str):
+    if type_str in _types:
         return _types[type_str]
     if type_str.endswith('*'):
         type_str=type_str[:-1]
@@ -71,7 +74,7 @@ def __init__(self,s):
 
         self.i=-1
 
-    def next(self):
+    def __next__(self):
         if self.empty():
             raise ValueError('no more tokens found parsing - %s' % self.s)
         self.i+=1
@@ -140,28 +143,28 @@ def __repr__(self):
 
 def parse_type(t):
     # grab variable name (including * for pointers)
-    base_type=t.next()
+    base_type=next(t)
     while not t.empty():
-        if t.next() == '*':
+        if next(t) == '*':
             base_type += '*'
         else:
             t.push_back()
             break
     return c_type(base_type)
 
 def parse_fn_name(t):
-    if t.next() == '(':
+    if next(t) == '(':
         # fn pointer name
-        assert t.next() == '*'
-        name=t.next()
-        assert t.next() == ')'
+        assert next(t) == '*'
+        name=next(t)
+        assert next(t) == ')'
     else:
         name=t.current()
     return name
 
 def parse_param(t):
     param_type=parse_type(t)
-    name=t.next()
+    name=next(t)
     if WORD.match(name):
         param_type.name=name
     else:
@@ -171,12 +174,12 @@ def parse_param(t):
 
 
 def parse_param_list(t):
-    assert t.next() == '('
+    assert next(t) == '('
     params=[]
-    while t.next() != ')':
+    while next(t) != ')':
         t.push_back()
         params.append(parse_param(t))
-        if t.next() != ',':
+        if next(t) != ',':
             break
     assert t.current() == ')'
     return params
@@ -191,7 +194,7 @@ def parse(s):
     t=tokenizer(s)
     def_type = parse_type(t)
     if not t.empty():
-        if t.next() == '(':
+        if next(t) == '(':
             # looks like we're parsing a function pointer definition
             # e.g. void (*my_fn)(void)
             t.push_back()
@@ -202,9 +205,9 @@ def parse(s):
             return c_function(def_type, fn_name, param_list)
         else:
             t.push_back()
-            name = t.next()
+            name = next(t)
             if not t.empty():
-                if t.next() == '(':
+                if next(t) == '(':
                     # parsing function def again (regular def not pointer)
                     # e.g. void my_fn(void)
                     t.push_back()

hid/osx.py

@@ -6,6 +6,8 @@
 Refer to the hid module for available functions
 '''
 
+from builtins import range
+from builtins import object
 from ctypes import *
 from ctypes.util import find_library
 
@@ -186,7 +188,7 @@ class IOHIDDeviceInterface122(Structure):
 
 ########################################################
 # class to handle COM object references
-class COMObjectRef:
+class COMObjectRef(object):
     def __init__(self,ref):
         self.ref=ref
         logging.info("created: %s",self)
@@ -195,7 +197,7 @@ def __del__(self):
         logging.info("releasing: %s",self)
         self.Release()
 
-    def __nonzero__(self):
+    def __bool__(self):
         return self.ref is not None
 
     def __str__(self):