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Error when deserializing empty Date() #96

svenstaro opened this Issue Dec 13, 2014 · 2 comments


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svenstaro commented Dec 13, 2014

So when deserializing an empty (but non-required) DateTime, everything works fine. When deserializing an empty (but non-required) Date(), I get:

File "/home/svenstaro/prj/blah/", line 181, in patch result, errors = schema.load(request.json) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 481, in load result, errors = self._do_load(data, many, postprocess=True) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 589, in _do_load dict_class=self.dict_class File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 282, in deserialize strict=strict File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 107, in _call_and_store value = getter_func(data) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 453, in deserialize return self._call_and_reraise(do_deserialization, UnmarshallingError) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 403, in _call_and_reraise return func() File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 450, in do_deserialization output = self._deserialize(value) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 960, in _deserialize return utils.from_iso_date(value) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/marshmallow/", line 262, in from_iso_date return parser.parse(datestring).date() File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/dateutil/", line 743, in parse return DEFAULTPARSER.parse(timestr, **kwargs) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/dateutil/", line 300, in parse res = self._parse(timestr, **kwargs) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/dateutil/", line 358, in _parse l = _timelex.split(timestr) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/dateutil/", line 139, in split return list(cls(s)) File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/dateutil/", line 130, in __next__ token = self.get_token() File "/home/svenstaro/prj/blah/env/lib/python3.4/site-packages/dateutil/", line 61, in get_token nextchar = AttributeError: 'NoneType' object has no attribute 'read'


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sloria commented Dec 13, 2014

Thanks for reporting. Will look into this when I have more time.


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sloria commented Dec 15, 2014

Fixed as of 8b33b22

@sloria sloria closed this Dec 15, 2014

@sloria sloria added this to the 1.2.0 milestone Dec 15, 2014

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