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authorMiss Skeleton (bot) <31488909+miss-islington@users.noreply.github.com>2020-10-18 08:32:56 -0700
committerGitHub <noreply@github.com>2020-10-18 18:32:56 +0300
commita055ced9d43630cadc3c1d5edab0884f2c5131ea (patch)
tree3bd0b566757d2a49bc23df33b162ae345ab1c7e2
parent6a2aa4994e99ae8e43011a0290646fde4724a003 (diff)
downloadcpython-git-a055ced9d43630cadc3c1d5edab0884f2c5131ea.tar.gz
bpo-41966: Fix pickling pure datetime.time subclasses (GH-22731) (GH-22747)
(cherry picked from commit c304c9a7efa8751b5bc7526fa95cd5f30aac2b92) Co-authored-by: scaramallion <scaramallion@users.noreply.github.com>
-rw-r--r--Lib/datetime.py2
-rw-r--r--Lib/test/datetimetester.py3
-rw-r--r--Misc/ACKS1
-rw-r--r--Misc/NEWS.d/next/Library/2020-10-17-07-52-53.bpo-41966.gwEQRZ.rst2
4 files changed, 7 insertions, 1 deletions
diff --git a/Lib/datetime.py b/Lib/datetime.py
index 2294ac2b68..e508d996fb 100644
--- a/Lib/datetime.py
+++ b/Lib/datetime.py
@@ -1579,7 +1579,7 @@ class time:
self._tzinfo = tzinfo
def __reduce_ex__(self, protocol):
- return (time, self._getstate(protocol))
+ return (self.__class__, self._getstate(protocol))
def __reduce__(self):
return self.__reduce_ex__(2)
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index a9741d6d40..b37ef91707 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -1781,6 +1781,7 @@ class TestDate(HarmlessMixedComparison, unittest.TestCase):
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertEqual(orig, derived)
+ self.assertTrue(isinstance(derived, SubclassDate))
def test_backdoor_resistance(self):
# For fast unpickling, the constructor accepts a pickle byte string.
@@ -2308,6 +2309,7 @@ class TestDateTime(TestDate):
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertEqual(orig, derived)
+ self.assertTrue(isinstance(derived, SubclassDatetime))
def test_compat_unpickle(self):
tests = [
@@ -3357,6 +3359,7 @@ class TestTime(HarmlessMixedComparison, unittest.TestCase):
green = pickler.dumps(orig, proto)
derived = unpickler.loads(green)
self.assertEqual(orig, derived)
+ self.assertTrue(isinstance(derived, SubclassTime))
def test_compat_unpickle(self):
tests = [
diff --git a/Misc/ACKS b/Misc/ACKS
index a16f15a74e..3125600284 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -781,6 +781,7 @@ Meador Inge
Peter Ingebretson
Tony Ingraldi
John Interrante
+Dean Inwood
Bob Ippolito
Roger Irwin
Atsuo Ishimoto
diff --git a/Misc/NEWS.d/next/Library/2020-10-17-07-52-53.bpo-41966.gwEQRZ.rst b/Misc/NEWS.d/next/Library/2020-10-17-07-52-53.bpo-41966.gwEQRZ.rst
new file mode 100644
index 0000000000..0e7fad4007
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-10-17-07-52-53.bpo-41966.gwEQRZ.rst
@@ -0,0 +1,2 @@
+Fix pickling pure Python :class:`datetime.time` subclasses. Patch by Dean
+Inwood.