Incompatible with dateutil library about freezegun HOT 5 CLOSED

In [1]: import datetime

In [2]: import dateutil

In [3]: d = datetime.date.today()

In [4]: type(d)
Out[4]: <type 'datetime.date'>

In [5]: isinstance(d, datetime.date)
Out[5]: True

In [6]: d + dateutil.relativedelta.relativedelta(days=1)
Out[6]: datetime.date(2012, 12, 13)

In [7]: d = datetime.datetime.now()

In [8]: type(d)
Out[8]: <type 'datetime.datetime'>

In [9]: isinstance(d, datetime.datetime)
Out[9]: True

In [10]: isinstance(d, datetime.date)
Out[10]: True

In [11]: d + dateutil.relativedelta.relativedelta(days=1)
Out[11]: datetime.datetime(2012, 12, 13, 17, 14, 30, 291827)

In [12]: from freezegun import freeze_time

In [13]: d = datetime.date.today()

In [14]: type(d)
Out[14]: <class 'freezegun.api.FakeDate'>

In [15]: isinstance(d, datetime.date)
Out[15]: True

In [16]: d + dateutil.relativedelta.relativedelta(days=1)
Out[16]: datetime.date(2012, 12, 13)

In [17]: d = datetime.datetime.now()

In [18]: type(d)
Out[18]: <class 'freezegun.api.FakeDatetime'>

In [19]: isinstance(d, datetime.datetime)
Out[19]: True

In [20]: isinstance(d, datetime.date)
Out[20]: False

In [21]: d + dateutil.relativedelta.relativedelta(days=1)
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)

/vagrant/<ipython console> in <module>()

/home/vagrant/.virtualenvs/upshot/local/lib/python2.7/site-packages/dateutil/relativedelta.pyc in __radd__(self, other)
    245     def __radd__(self, other):
    246         if not isinstance(other, datetime.date):
--> 247             raise TypeError, "unsupported type for add operation"
    248         elif self._has_time and not isinstance(other, datetime.datetime):
    249             other = datetime.datetime.fromordinal(other.toordinal())

TypeError: unsupported type for add operation

/home/vagrant/.virtualenvs/upshot/local/lib/python2.7/site-packages/dateutil/relativedelta.pyc in __radd__(self, other)
    245     def __radd__(self, other):
    246         if not isinstance(other, datetime.date):
--> 247             raise TypeError, "unsupported type for add operation"
    248         elif self._has_time and not isinstance(other, datetime.datetime):
    249             other = datetime.datetime.fromordinal(other.toordinal())

TypeError: unsupported type for add operation

import datetime
from dateutil.relativedelta import relativedelta
from freezegun import freeze_time


def test_dateutil():
        d1 = datetime.datetime.now()
        #print type(d1)  # <class 'freezegun.api.FakeDatetime'>
        assert isinstance(d1, datetime.datetime)
        d2 = d1 + relativedelta(days=0)
        #print type(d2)  # <type 'datetime.datetime'>
        assert isinstance(d2, datetime.datetime)


======================================================================
FAIL: test_dateutil.test_dateutil
----------------------------------------------------------------------
Traceback (most recent call last):
  File "[...]test_dateutil.py", line 12, in test_dateutil
    assert isinstance(d2, datetime.datetime)
AssertionError:
    assert isinstance(FakeDatetime(2012, 12, 13, 16, 0, 38, 500929), <module 'datetime' from '/virtualenvs/freezegun/lib/python2.6/lib-dynload/datetime.so'>.<module 'datetime' from '/virtualenvs/freezegun/lib/python2.6/lib-dynload/datetime.so'>)
    datetime.datetime(2012, 12, 13, 16, 0, 38, 500929) = FakeDatetime(2012, 12, 13, 16, 0, 38, 500929) + relativedelta(days=0)
    #print type(d2)  # <type 'datetime.datetime'>
>>  assert isinstance(datetime.datetime(2012, 12, 13, 16, 0, 38, 500929), <module 'datetime' from '/virtualenvs/freezegun/lib/python2.6/lib-dynload/datetime.so'>.<module 'datetime' from '/virtualenvs/freezegun/lib/python2.6/lib-dynload/datetime.so'>)