| import sys |
| |
| info = sys.version_info |
| if info[:3] >= (3, 2, 0): |
| # for Python 3.2 ordinary unittest is fine |
| import unittest as unittest2 |
| else: |
| import unittest2 |
| |
| |
| try: |
| callable = callable |
| except NameError: |
| def callable(obj): |
| return hasattr(obj, '__call__') |
| |
| |
| inPy3k = sys.version_info[0] == 3 |
| 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() |
