""" This file contains some helpers methods in both Python2 and 3 """

import sys

import re

if sys.version < '3':

# Python2.x imports

import Queue

import codecs

else:

# Python 3.x imports

import queue

def check_token(token):

""" Checks if the given token is a valid UUID."""

valid = re.compile(r"^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-"

r"[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$")

return valid.match(token)

# We need to do some things different pending if its Python 2.x or 3.x

if sys.version < '3':

def to_unicode(ch):

return codecs.unicode_escape_decode(ch)[0]

def is_unicode(ch):

return isinstance(ch, unicode)

def create_unicode(ch):

try:

return unicode(ch, 'utf-8')

except UnicodeDecodeError as e:

return str(e)

def create_queue(max_size):

return Queue.Queue(max_size)

else:

def to_unicode(ch):

return ch

def is_unicode(ch):

return isinstance(ch, str)

def create_unicode(ch):

return str(ch)

def create_queue(max_size):

return queue.Queue(max_size)