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# All Python 2/3 compatibility stuffs go here.
from __future__ import print_function
import sys
import string
PY_MAJOR_VERSION = sys.version_info[0]
if PY_MAJOR_VERSION > 2:
string.letters = string.ascii_letters
def iterator(dictionary):
'''
For cross compatibility between Python 2 and Python 3 dictionaries.
'''
if PY_MAJOR_VERSION > 2:
return dictionary.items()
else:
return dictionary.iteritems()
def has_key(dictionary, key):
'''
For cross compatibility between Python 2 and Python 3 dictionaries.
'''
if PY_MAJOR_VERSION > 2:
return key in dictionary
else:
return dictionary.has_key(key)
def get_keys(dictionary):
'''
For cross compatibility between Python 2 and Python 3 dictionaries.
'''
if PY_MAJOR_VERSION > 2:
return list(dictionary.keys())
else:
return dictionary.keys()
def str2bytes(string):
'''
For cross compatibility between Python 2 and Python 3 strings.
'''
if isinstance(string, type('')) and PY_MAJOR_VERSION > 2:
return bytes(string, 'latin1')
else:
return string
def bytes2str(bs):
'''
For cross compatibility between Python 2 and Python 3 strings.
'''
if isinstance(bs, type(b'')) and PY_MAJOR_VERSION > 2:
return bs.decode('latin1')
else:
return bs
def string_decode(string):
'''
For cross compatibility between Python 2 and Python 3 strings.
'''
if PY_MAJOR_VERSION > 2:
return bytes(string, 'utf-8').decode('unicode_escape')
else:
return string.decode('string_escape')
def user_input(prompt=''):
'''
For getting raw user input in Python 2 and 3.
'''
if PY_MAJOR_VERSION > 2:
return input(prompt)
else:
return raw_input(prompt)