[Python-checkins] r69246 - in python/branches/py3k/Lib: decimal.py test/test_decimal.py
raymond.hettinger
python-checkins at python.org
Tue Feb 3 04:54:29 CET 2009
Author: raymond.hettinger
Date: Tue Feb 3 04:54:28 2009
New Revision: 69246
Log:
Register decimals as numbers.Number
Modified:
python/branches/py3k/Lib/decimal.py
python/branches/py3k/Lib/test/test_decimal.py
Modified: python/branches/py3k/Lib/decimal.py
==============================================================================
--- python/branches/py3k/Lib/decimal.py (original)
+++ python/branches/py3k/Lib/decimal.py Tue Feb 3 04:54:28 2009
@@ -136,6 +136,7 @@
import copy as _copy
import math as _math
+import numbers as _numbers
try:
from collections import namedtuple as _namedtuple
@@ -3695,6 +3696,12 @@
return self
+# Register Decimal as a kind of Number (an abstract base class).
+# However, do not register it as Real (because Decimals are not
+# interoperable with floats).
+_numbers.Number.register(Decimal)
+
+
##### Context class #######################################################
Modified: python/branches/py3k/Lib/test/test_decimal.py
==============================================================================
--- python/branches/py3k/Lib/test/test_decimal.py (original)
+++ python/branches/py3k/Lib/test/test_decimal.py Tue Feb 3 04:54:28 2009
@@ -30,6 +30,7 @@
import pickle, copy
import unittest
from decimal import *
+import numbers
from test.support import (TestSkipped, run_unittest, run_doctest,
is_resource_enabled)
import random
@@ -1388,6 +1389,12 @@
class DecimalPythonAPItests(unittest.TestCase):
+ def test_abc(self):
+ self.assert_(issubclass(Decimal, numbers.Number))
+ self.assert_(not issubclass(Decimal, numbers.Real))
+ self.assert_(isinstance(Decimal(0), numbers.Number))
+ self.assert_(not isinstance(Decimal(0), numbers.Real))
+
def test_pickle(self):
d = Decimal('-3.141590000')
p = pickle.dumps(d)
More information about the Python-checkins
mailing list