我们从Python开源项目中，提取了以下24个代码示例，用于说明如何使用future.utils.PY26。
def expectedFailurePY26(func): if not PY26: return func return unittest.expectedFailure(func)
def test_own_count(self): """Test own count implementation.""" if PY26: self.assertIs(count, _count) else: self.assertNotEqual(count, _count) self._test_count_func(_count) ################################################################################ ### ChainMap (helper class for configparser and the string module) ################################################################################
def test_update(self): with self.assertRaises(TypeError): OrderedDict().update([('a', 1), ('b', 2)], None) # too many args pairs = [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5)] od = OrderedDict() od.update(dict(pairs)) self.assertEqual(sorted(od.items()), pairs) # dict input od = OrderedDict() od.update(**dict(pairs)) self.assertEqual(sorted(od.items()), pairs) # kwds input od = OrderedDict() od.update(pairs) self.assertEqual(list(od.items()), pairs) # pairs input od = OrderedDict() od.update([('a', 1), ('b', 2), ('c', 9), ('d', 4)], c=3, e=5) self.assertEqual(list(od.items()), pairs) # mixed input ### The tests below fail on Py2.6 if PY26: return # Issue 9137: Named argument called 'other' or 'self' # shouldn't be treated specially. od = OrderedDict() od.update(self=23) self.assertEqual(list(od.items()), [('self', 23)]) od = OrderedDict() od.update(other={}) self.assertEqual(list(od.items()), [('other', {})]) od = OrderedDict() od.update(red=5, blue=6, other=7, self=8) self.assertEqual(sorted(list(od.items())), [('blue', 6), ('other', 7), ('red', 5), ('self', 8)]) # Make sure that direct calls to update do not clear previous contents # add that updates items are not moved to the end d = OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 44), ('e', 55)]) d.update([('e', 5), ('f', 6)], g=7, d=4) self.assertEqual(list(d.items()), [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5), ('f', 6), ('g', 7)])
def newround(number, ndigits=None): """ See Python 3 documentation: uses Banker's Rounding. Delegates to the __round__ method if for some reason this exists. If not, rounds a number to a given precision in decimal digits (default 0 digits). This returns an int when called with one argument, otherwise the same type as the number. ndigits may be negative. See the test_round method in future/tests/test_builtins.py for examples. """ return_int = False if ndigits is None: return_int = True ndigits = 0 if hasattr(number, '__round__'): return number.__round__(ndigits) if ndigits < 0: raise NotImplementedError('negative ndigits not supported yet') exponent = Decimal('10') ** (-ndigits) if PYPY: # Work around issue #24: round() breaks on PyPy with NumPy's types if 'numpy' in repr(type(number)): number = float(number) if not PY26: d = Decimal.from_float(number).quantize(exponent, rounding=ROUND_HALF_EVEN) else: d = from_float_26(number).quantize(exponent, rounding=ROUND_HALF_EVEN) if return_int: return int(d) else: return float(d) ### From Python 2.7's decimal.py. Only needed to support Py2.6:
