Merge pull request arrow-py#308 from bjmc/fixes-307

Adds support for tz offsets without minutes

README.rst

@@ -42,7 +42,8 @@ Features
 - Time zone-aware & UTC by default
 - Provides super-simple creation options for many common input scenarios
 - Updated .replace method with support for relative offsets, including weeks
-- Formats and parses strings, including ISO-8601-formatted strings automatically
+- Formats and parses strings automatically
+- Partial support for ISO-8601
 - Timezone conversion
 - Timestamp available as a property
 - Generates time spans, ranges, floors and ceilings in timeframes from year to microsecond

arrow/parser.py

@@ -24,7 +24,7 @@ class DateTimeParser(object):
  _ONE_OR_TWO_DIGIT_RE = re.compile('\d{1,2}')
  _FOUR_DIGIT_RE = re.compile('\d{4}')
  _TWO_DIGIT_RE = re.compile('\d{2}')
- _TZ_RE = re.compile('[+\-]?\d{2}:?\d{2}')
+ _TZ_RE = re.compile('[+\-]?\d{2}:?(\d{2})?')
  _TZ_NAME_RE = re.compile('\w[\w+\-/]+')
 
 
@@ -290,7 +290,7 @@ def _choice_re(choices, flags=0):
 
 class TzinfoParser(object):
 
- _TZINFO_RE = re.compile('([+\-])?(\d\d):?(\d\d)')
+ _TZINFO_RE = re.compile('([+\-])?(\d\d):?(\d\d)?')
 
  @classmethod
  def parse(cls, string):
@@ -309,6 +309,8 @@ def parse(cls, string):
 
  if iso_match:
  sign, hours, minutes = iso_match.groups()
+ if minutes is None:
+ minutes = 0
  seconds = int(hours) * 3600 + int(minutes) * 60
 
  if sign == '-':

docs/index.rst

@@ -30,7 +30,8 @@ Features
 - Time zone-aware & UTC by default
 - Provides super-simple creation options for many common input scenarios
 - Updated .replace method with support for relative offsets, including weeks
-- Formats and parses strings, including ISO-8601-formatted strings automatically
+- Formats and parses strings automatically
+- Partial ISO-8601 support
 - Timezone conversion
 - Timestamp available as a property
 - Generates time spans, ranges, floors and ceilings in time frames from year to microsecond
@@ -145,7 +146,7 @@ Search a date in a string:
  >>> arrow.get('June was born in May 1980', 'MMMM YYYY')
  <Arrow [1980-05-01T00:00:00+00:00]>
 
-Many ISO-8601 compliant strings are recognized and parsed without a format string:
+Some ISO-8601 compliant strings are recognized and parsed without a format string:
 
  >>> arrow.get('2013-09-30T15:34:00.000-07:00')
  <Arrow [2013-09-30T15:34:00-07:00]>

tests/parser_tests.py

@@ -127,6 +127,11 @@ def test_parse_pm(self):
  assertEqual(self.parser.parse('12 pm', 'H A'), expected)
  assertEqual(self.parser.parse('12 pm', 'h A'), expected)
 
+ def test_parse_tz_hours_only(self):
+ expected = datetime(2025, 10, 17, 5, 30, 10, tzinfo=tz.tzoffset(None, 0))
+ parsed = self.parser.parse('2025-10-17 05:30:10+00', 'YYYY-MM-DD HH:mm:ssZ')
+ assertEqual(parsed, expected)
+
  def test_parse_tz_zz(self):
 
  expected = datetime(2013, 1, 1, tzinfo=tz.tzoffset(None, -7 * 3600))