Closes issue bpo-5288: Allow tzinfo objects with sub-minute offsets. (#2896)
* Closes issue bpo-5288: Allow tzinfo objects with sub-minute offsets.
* bpo-5288: Implemented %z formatting of sub-minute offsets.
* bpo-5288: Removed mentions of the whole minute limitation on TZ offsets.
* bpo-5288: Removed one more mention of the whole minute limitation.
Thanks @csabella!
* Fix a formatting error in the docs
* Addressed review comments.
Thanks, @haypo.
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index 2200888..29b70e1 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -255,14 +255,15 @@
self.assertEqual(timezone.min.utcoffset(None), -limit)
self.assertEqual(timezone.max.utcoffset(None), limit)
-
def test_constructor(self):
self.assertIs(timezone.utc, timezone(timedelta(0)))
self.assertIsNot(timezone.utc, timezone(timedelta(0), 'UTC'))
self.assertEqual(timezone.utc, timezone(timedelta(0), 'UTC'))
+ for subminute in [timedelta(microseconds=1), timedelta(seconds=1)]:
+ tz = timezone(subminute)
+ self.assertNotEqual(tz.utcoffset(None) % timedelta(minutes=1), 0)
# invalid offsets
- for invalid in [timedelta(microseconds=1), timedelta(1, 1),
- timedelta(seconds=1), timedelta(1), -timedelta(1)]:
+ for invalid in [timedelta(1, 1), timedelta(1)]:
self.assertRaises(ValueError, timezone, invalid)
self.assertRaises(ValueError, timezone, -invalid)
@@ -301,6 +302,15 @@
self.assertEqual('UTC-00:01', timezone(timedelta(minutes=-1)).tzname(None))
self.assertEqual('XYZ', timezone(-5 * HOUR, 'XYZ').tzname(None))
+ # Sub-minute offsets:
+ self.assertEqual('UTC+01:06:40', timezone(timedelta(0, 4000)).tzname(None))
+ self.assertEqual('UTC-01:06:40',
+ timezone(-timedelta(0, 4000)).tzname(None))
+ self.assertEqual('UTC+01:06:40.000001',
+ timezone(timedelta(0, 4000, 1)).tzname(None))
+ self.assertEqual('UTC-01:06:40.000001',
+ timezone(-timedelta(0, 4000, 1)).tzname(None))
+
with self.assertRaises(TypeError): self.EST.tzname('')
with self.assertRaises(TypeError): self.EST.tzname(5)
@@ -2152,6 +2162,9 @@
t = self.theclass(2004, 12, 31, 6, 22, 33, 47)
self.assertEqual(t.strftime("%m %d %y %f %S %M %H %j"),
"12 31 04 000047 33 22 06 366")
+ tz = timezone(-timedelta(hours=2, seconds=33, microseconds=123))
+ t = t.replace(tzinfo=tz)
+ self.assertEqual(t.strftime("%z"), "-020033.000123")
def test_extract(self):
dt = self.theclass(2002, 3, 4, 18, 45, 3, 1234)
@@ -2717,8 +2730,8 @@
def utcoffset(self, dt): return timedelta(microseconds=61)
def dst(self, dt): return timedelta(microseconds=-81)
t = cls(1, 1, 1, tzinfo=C7())
- self.assertRaises(ValueError, t.utcoffset)
- self.assertRaises(ValueError, t.dst)
+ self.assertEqual(t.utcoffset(), timedelta(microseconds=61))
+ self.assertEqual(t.dst(), timedelta(microseconds=-81))
def test_aware_compare(self):
cls = self.theclass
@@ -4297,7 +4310,6 @@
self.assertEqual(gdt.strftime("%c %Z"),
'Mon Jun 23 22:00:00 1941 UTC')
-
def test_constructors(self):
t = time(0, fold=1)
dt = datetime(1, 1, 1, fold=1)
@@ -4372,7 +4384,6 @@
self.assertEqual(t0.fold, 0)
self.assertEqual(t1.fold, 1)
-
@support.run_with_tz('EST+05EDT,M3.2.0,M11.1.0')
def test_timestamp(self):
dt0 = datetime(2014, 11, 2, 1, 30)
@@ -4390,7 +4401,6 @@
s1 = t.replace(fold=1).timestamp()
self.assertEqual(s0 + 1800, s1)
-
@support.run_with_tz('EST+05EDT,M3.2.0,M11.1.0')
def test_astimezone(self):
dt0 = datetime(2014, 11, 2, 1, 30)
@@ -4406,7 +4416,6 @@
self.assertEqual(adt0.fold, 0)
self.assertEqual(adt1.fold, 0)
-
def test_pickle_fold(self):
t = time(fold=1)
dt = datetime(1, 1, 1, fold=1)