strip microseconds in text.parse_datetime()

gallery_dl/text.py

@@ -252,8 +252,11 @@ def parse_datetime(date_string, format="%Y-%m-%dT%H:%M:%S%z", utcoffset=0):
         o = d.utcoffset()
         if o is not None:
             # convert to naive UTC
-            d = d.replace(tzinfo=None) - o
-        elif utcoffset:
+            d = d.replace(tzinfo=None, microsecond=0) - o
+        else:
+            if d.microsecond:
+                d = d.replace(microsecond=0)
+            if utcoffset:
                 # apply manual UTC offset
                 d += datetime.timedelta(0, utcoffset * -3600)
         return d

test/test_text.py

@@ -406,6 +406,10 @@ class TestText(unittest.TestCase):
             f("2019-05-07T21:25:02+0900"),
             datetime.datetime(2019, 5, 7, 12, 25, 2),
         )
+        self.assertEqual(
+            f("2019-05-07T21:25:02.753+0900", "%Y-%m-%dT%H:%M:%S.%f%z"),
+            datetime.datetime(2019, 5, 7, 12, 25, 2),
+        )
         self.assertEqual(
             f("2019-05-07T21:25:02", "%Y-%m-%dT%H:%M:%S", utcoffset=9),
             datetime.datetime(2019, 5, 7, 12, 25, 2),