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"""
Helper functions which smooth out the differences between python 2 and 3.
"""
import sys
def asUnicode(x):
if sys.version_info[0] == 2:
if isinstance(x, unicode):
return x
elif isinstance(x, str):
return x.decode('UTF-8')
else:
return unicode(x)
else:
return str(x)
def cmpToKey(mycmp):
'Convert a cmp= function into a key= function'
class K(object):
def __init__(self, obj, *args):
self.obj = obj
def __lt__(self, other):
return mycmp(self.obj, other.obj) < 0
def __gt__(self, other):
return mycmp(self.obj, other.obj) > 0
def __eq__(self, other):
return mycmp(self.obj, other.obj) == 0
def __le__(self, other):
return mycmp(self.obj, other.obj) <= 0
def __ge__(self, other):
return mycmp(self.obj, other.obj) >= 0
def __ne__(self, other):
return mycmp(self.obj, other.obj) != 0
return K
def sortList(l, cmpFunc):
if sys.version_info[0] == 2:
l.sort(cmpFunc)
else:
l.sort(key=cmpToKey(cmpFunc))
if sys.version_info[0] == 3:
import builtins
builtins.basestring = str
#builtins.asUnicode = asUnicode
#builtins.sortList = sortList
basestring = str
def cmp(a,b):
if a>b:
return 1
elif b > a:
return -1
else:
return 0
builtins.cmp = cmp