Fixes parsing of datetime with offset.

Author: sdispater

pendulum/pendulum.py

@@ -14,6 +14,7 @@
 from pytz.tzinfo import BaseTzInfo, tzinfo
 from dateutil.relativedelta import relativedelta
 from dateutil import parser as dateparser
+from dateutil.tz import tzoffset
 
 from .translator import Translator
 
@@ -201,6 +202,12 @@ def parse(cls, time=None, tz=pytz.UTC):
         if not dt:
             raise PendulumException('Invalid time string "{}"'.format(time))
 
+        if dt.tzinfo:
+            if isinstance(dt.tzinfo, tzoffset):
+                tz = int(dt.tzinfo.utcoffset(None).total_seconds() / 3600)
+            else:
+                tz = tzinfo
+
         return cls(
             dt.year, dt.month, dt.day,
             dt.hour, dt.minute, dt.second, dt.microsecond,

tests/pendulum_tests/test_construct.py

@@ -35,6 +35,12 @@ def test_parse_with_default_timezone(self):
         p = Pendulum.parse('now')
         self.assertEqual('America/Toronto', p.timezone_name)
 
+    def test_parse_with_offset_in_string(self):
+        p = Pendulum.parse('2016-04-15T18:21:08.7454873-05:00')
+        self.assertPendulum(p, 2016, 4, 15, 18, 21, 8)
+        self.assertIsNone(p.timezone_name)
+        self.assertEqual(-18000, p.offset)
+
     def test_setting_timezone(self):
         timezone = 'Europe/London'
         dtz = pytz.timezone(timezone)