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#!/usr/bin/env python
"""
Compatibility module similar to six which helps maintaining
a single code base working with python from 2.6 to 3.x.
"""
import os
import sys
PY3 = sys.version_info[0] == 3
if PY3:
def u(s):
return s
def b(s):
return s.encode("latin-1")
getcwdu = os.getcwd
unicode = str
xrange = range
else:
def u(s):
return unicode(s)
def b(s):
return s
getcwdu = os.getcwdu
unicode = unicode
xrange = xrange
# removed in 3.0, reintroduced in 3.2
try:
callable = callable
except Exception:
def callable(obj):
for klass in type(obj).__mro__:
if "__call__" in klass.__dict__:
return True
return False
|
