And for %:z directive

Author: donbarbos

Doc/library/datetime.rst

@@ -2548,7 +2548,7 @@ requires, and these work on all platforms with a standard C implementation.
 +-----------+--------------------------------+------------------------+-------+
 | ``%z``    | UTC offset in the form         | (empty), +0000,        | \(6)  |
 |           | ``±HH[MM[SS[.ffffff]]]``       | -0400, +1030,          |       |
-|           | (empty string if the object is | +063415,               |       |
+|           | (empty string if the object is | +063415, +04,          |       |
 |           | naive).                        | -030712.345216         |       |
 +-----------+--------------------------------+------------------------+-------+
 | ``%Z``    | Time zone name (empty string   | (empty), UTC, GMT      | \(6)  |
@@ -2609,8 +2609,8 @@ convenience. These parameters all correspond to ISO 8601 date values.
 |           | Jan 4.                         |                        |       |
 +-----------+--------------------------------+------------------------+-------+
 | ``%:z``   | UTC offset in the form         | (empty), +00:00,       | \(6)  |
-|           | ``±HH:MM[:SS[.ffffff]]``       | -04:00, +10:30,        |       |
-|           | (empty string if the object is | +06:34:15,             |       |
+|           | ``±HH[:MM[:SS[.ffffff]]]``     | -04:00, +10:30,        |       |
+|           | (empty string if the object is | +06:34:15, +04,        |       |
 |           | naive).                        | -03:07:12.345216       |       |
 +-----------+--------------------------------+------------------------+-------+
 

Lib/test/datetimetester.py

@@ -2902,7 +2902,9 @@ def test_strptime(self):
         strptime = self.theclass.strptime
 
         self.assertEqual(strptime("+01", "%z").utcoffset(), 1 * HOUR)
+        self.assertEqual(strptime("+01", "%:z").utcoffset(), 1 * HOUR)
         self.assertEqual(strptime("-10", "%z").utcoffset(), -10 * HOUR)
+        self.assertEqual(strptime("-10", "%:z").utcoffset(), -10 * HOUR)
         self.assertEqual(strptime("+0002", "%z").utcoffset(), 2 * MINUTE)
         self.assertEqual(strptime("-0002", "%z").utcoffset(), -2 * MINUTE)
         self.assertEqual(
@@ -4066,7 +4068,9 @@ def test_strptime(self):
     def test_strptime_tz(self):
         strptime = self.theclass.strptime
         self.assertEqual(strptime("+01", "%z").utcoffset(), 1 * HOUR)
+        self.assertEqual(strptime("+01", "%:z").utcoffset(), 1 * HOUR)
         self.assertEqual(strptime("-10", "%z").utcoffset(), -10 * HOUR)
+        self.assertEqual(strptime("-10", "%:z").utcoffset(), -10 * HOUR)
         self.assertEqual(strptime("+0002", "%z").utcoffset(), 2 * MINUTE)
         self.assertEqual(strptime("-0002", "%z").utcoffset(), -2 * MINUTE)
         self.assertEqual(

Lib/test/test_strptime.py

@@ -394,12 +394,6 @@ def test_offset(self):
         one_hour = 60 * 60
         half_hour = 30 * 60
         half_minute = 30
-        (*_, offset), _, offset_fraction = _strptime._strptime("+09", "%z")
-        self.assertEqual(offset, 9 * one_hour)
-        self.assertEqual(offset_fraction, 0)
-        (*_, offset), _, offset_fraction = _strptime._strptime("-01", "%z")
-        self.assertEqual(offset, -one_hour)
-        self.assertEqual(offset_fraction, 0)
         (*_, offset), _, offset_fraction = _strptime._strptime("+0130", "%z")
         self.assertEqual(offset, one_hour + half_hour)
         self.assertEqual(offset_fraction, 0)
@@ -414,6 +408,8 @@ def test_offset(self):
         self.assertEqual(offset_fraction, -1)
 
         cases = [
+            ("-01", -one_hour, 0),
+            ("+09", 9 * one_hour, 0),
             ("+01:00", one_hour, 0),
             ("-01:30", -(one_hour + half_hour), 0),
             ("-01:30:30", -(one_hour + half_hour + half_minute), 0),

Misc/NEWS.d/next/Library/2025-02-21-07-34-37.gh-issue-128074.qeCRrp.rst

@@ -1,4 +1,4 @@
 Update input time zone format from ``±HHMM[SS[.ffffff]]`` to
 ``±HH[MM[SS[.ffffff]]]`` for :meth:`datetime.date.strptime`,
-:meth:`datetime.datetime.strptime` and :meth:`datetime.time.strptime` methods.
-Patch by Semyon Moroz.
+:meth:`datetime.datetime.strptime`, :meth:`datetime.time.strptime` and
+:func:`time.strptime`. Patch by Semyon Moroz.