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/_pickle.c | 3 |
4 files changed, 20 insertions, 6 deletions
diff --git a/Lib/pickletools.py b/Lib/pickletools.py index 6614df7..cfd5fcc 100644 --- a/Lib/pickletools.py +++ b/Lib/pickletools.py @@ -2128,11 +2128,11 @@ highest protocol among opcodes = 1 Exercise the INST/OBJ/BUILD family. ->>> import random ->>> dis(pickle.dumps(random.getrandbits, 0)) - 0: c GLOBAL 'random getrandbits' - 20: p PUT 0 - 23: . 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 3ed84fb..51dd0fc 100644 --- a/Lib/test/pickletester.py +++ b/Lib/test/pickletester.py @@ -545,6 +545,16 @@ 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 with proto 0 @@ -139,6 +139,9 @@ Core and Builtins Library ------- +- Issue #1672332: fix unpickling of subnormal floats, which was + producing a ValueError on some platforms. + - Issue #3881: Help Tcl to load even when started through the unreadable local symlink to "Program Files" on Vista. diff --git a/Modules/_pickle.c b/Modules/_pickle.c index 6536e6f..5813fd4 100644 --- a/Modules/_pickle.c +++ b/Modules/_pickle.c @@ -2958,7 +2958,8 @@ 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"); return -1; } |