diff options
| -rw-r--r-- | Lib/pickletools.py | 10 | ||||
| -rw-r--r-- | Lib/test/pickletester.py | 10 | ||||
| -rw-r--r-- | Misc/NEWS | 3 | ||||
| -rw-r--r-- | Modules/cPickle.c | 3 |
4 files changed, 20 insertions, 6 deletions
diff --git a/Lib/pickletools.py b/Lib/pickletools.py index ae02a36103..7121c2a09a 100644 --- a/Lib/pickletools.py +++ b/Lib/pickletools.py @@ -2083,11 +2083,11 @@ highest protocol among opcodes = 1 Exercise the INST/OBJ/BUILD family. ->>> import random ->>> dis(pickle.dumps(random.random, 0)) - 0: c GLOBAL 'random random' - 15: p PUT 0 - 18: . STOP +>>> import pickletools +>>> dis(pickle.dumps(pickletools.dis, 0)) + 0: c GLOBAL 'pickletools dis' + 17: p PUT 0 + 20: . STOP highest protocol among opcodes = 0 >>> from pickletools import _Example diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py index bd0a3a4813..e34d55b85d 100644 --- a/Lib/test/pickletester.py +++ b/Lib/test/pickletester.py @@ -535,6 +535,16 @@ class AbstractPickleTests(unittest.TestCase): got = self.loads(p) self.assertEqual(n, got) + def test_float(self): + test_values = [0.0, 4.94e-324, 1e-310, 7e-308, 6.626e-34, 0.1, 0.5, + 3.14, 263.44582062374053, 6.022e23, 1e30] + test_values = test_values + [-x for x in test_values] + for proto in protocols: + for value in test_values: + pickle = self.dumps(value, proto) + got = self.loads(pickle) + self.assertEqual(value, got) + @run_with_locale('LC_ALL', 'de_DE', 'fr_FR') def test_float_format(self): # make sure that floats are formatted locale independent @@ -194,6 +194,9 @@ Core and Builtins Library ------- +- Issue #1672332: fix unpickling of subnormal floats, which was + producing a ValueError on some platforms. + - Restore Python 2.3 compatibility for decimal.py. - Issue #1702551: distutils sdist was not excluding VCS directories under diff --git a/Modules/cPickle.c b/Modules/cPickle.c index 7f836c3126..fb13ba18bc 100644 --- a/Modules/cPickle.c +++ b/Modules/cPickle.c @@ -3465,7 +3465,8 @@ load_float(Unpicklerobject *self) errno = 0; d = PyOS_ascii_strtod(s, &endptr); - if (errno || (endptr[0] != '\n') || (endptr[1] != '\0')) { + if ((errno == ERANGE && !(fabs(d) <= 1.0)) || + (endptr[0] != '\n') || (endptr[1] != '\0')) { PyErr_SetString(PyExc_ValueError, "could not convert string to float"); goto finally; |