allow pything dates and times (#122)

* allow pything dates and times

* update history

HISTORY.rst

@@ -3,6 +3,10 @@
 History
 -------
 
+v0.6.4 (2018-02-01)
+...................
+* allow python date and times objects #122
+
 v0.6.3 (2017-11-26)
 ...................
 * fix direct install without ``README.rst`` present

pydantic/datetime_parse.py

@@ -80,13 +80,16 @@ def from_unix_seconds(seconds: int) -> datetime:
     return dt.replace(tzinfo=timezone.utc)
 
 
-def parse_date(value: StrIntFloat) -> date:
+def parse_date(value: Union[date, StrIntFloat]) -> date:
     """
     Parse a string and return a datetime.date.
 
     Raise ValueError if the input is well formatted but not a valid date.
     Raise ValueError if the input isn't well formatted.
     """
+    if isinstance(value, date):
+        return value
+
     number = get_numeric(value)
     if number:
         return from_unix_seconds(number).date()
@@ -99,7 +102,7 @@ def parse_date(value: StrIntFloat) -> date:
     return date(**kw)
 
 
-def parse_time(value: StrIntFloat) -> time:
+def parse_time(value: Union[time, StrIntFloat]) -> time:
     """
     Parse a string and return a datetime.time.
 
@@ -108,6 +111,9 @@ def parse_time(value: StrIntFloat) -> time:
     Raise ValueError if the input is well formatted but not a valid time.
     Raise ValueError if the input isn't well formatted, in particular if it contains an offset.
     """
+    if isinstance(value, time):
+        return value
+
     match = time_re.match(value)
     if not match:
         raise ValueError('Invalid time format')
@@ -119,7 +125,7 @@ def parse_time(value: StrIntFloat) -> time:
     return time(**kw)
 
 
-def parse_datetime(value: StrIntFloat) -> datetime:
+def parse_datetime(value: Union[datetime, StrIntFloat]) -> datetime:
     """
     Parse a string and return a datetime.datetime.
 

pydantic/version.py

@@ -2,4 +2,4 @@ from distutils.version import StrictVersion
 
 __all__ = ['VERSION']
 
-VERSION = StrictVersion('0.6.3')
+VERSION = StrictVersion('0.6.4')

tests/test_datetime_parse.py

@@ -25,6 +25,7 @@ def create_tz(minutes):
     (1494012444, date(2017, 5, 5)),
     ('2012-04-23', date(2012, 4, 23)),
     ('2012-4-9', date(2012, 4, 9)),
+    (date(2012, 4, 9), date(2012, 4, 9)),
     # Invalid inputs
     ('x20120423', ValueError),
     ('2012-04-56', ValueError),
@@ -43,6 +44,7 @@ def test_date_parsing(value, result):
     ('10:10', time(10, 10)),
     ('10:20:30.400', time(10, 20, 30, 400000)),
     ('4:8:16', time(4, 8, 16)),
+    (time(4, 8, 16), time(4, 8, 16)),
     # Invalid inputs
     ('091500', ValueError),
     ('09:15:90', ValueError),