1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
import sys
info = sys.version_info
import unittest2
try:
callable = callable
except NameError:
def callable(obj):
return hasattr(obj, '__call__')
with_available = sys.version_info[:2] >= (2, 5)
def is_instance(obj, klass):
"""Version of is_instance that doesn't access __class__"""
return issubclass(type(obj), klass)
class SomeClass(object):
class_attribute = None
def wibble(self):
pass
class X(object):
pass
try:
next = next
except NameError:
def next(obj):
return obj.next()
|
