I have used django-phonenumber-field as my Phone number model field and serializer. It worked and everything was okay. Now, I am trying to implement Json Web Token in Django Rest Framework of these two package, djsoer and djangorestframework-jwt. I am managing and migrating an old (django 1.11) codebase to Django2. Right now, whenever I am trying to create a new auth token, I am getting an internal server error. Error message:
TypeError: Object of type 'PhoneNumber' is not JSON serializable
I know PhoneNumber object from Django-phonenumber-field package is responsible for this. However, The error stack is in djangorestframework-jwt. How can I add/pass PhoneNumber serializer on JWT?
[ I don't get which codebase is necessary, so I have not added any. Ask me, I will describe/add later.]
TIA.
Edit #1:
Traceback
Internal Server Error: /api/auth/create_token/
Traceback (most recent call last):
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
response = get_response(request)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/django/core/handlers/base.py", line 126, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/django/core/handlers/base.py", line 124, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
return view_func(*args, **kwargs)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/django/views/generic/base.py", line 68, in view
return self.dispatch(request, *args, **kwargs)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/rest_framework/views.py", line 483, in dispatch
response = self.handle_exception(exc)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/rest_framework/views.py", line 443, in handle_exception
self.raise_uncaught_exception(exc)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/rest_framework/views.py", line 480, in dispatch
response = handler(request, *args, **kwargs)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/rest_framework_jwt/views.py", line 57, in post
if serializer.is_valid():
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/rest_framework/serializers.py", line 236, in is_valid
self._validated_data = self.run_validation(self.initial_data)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/rest_framework/serializers.py", line 437, in run_validation
value = self.validate(value)
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/rest_framework_jwt/serializers.py", line 60, in validate
'token': jwt_encode_handler(payload),
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/rest_framework_jwt/utils.py", line 95, in jwt_encode_handler
api_settings.JWT_ALGORITHM
File "/home/a_o/.local/share/virtualenvs/conveyanceappbackend-Y2Y7Ynbu/lib/python3.6/site-packages/jwt/api_jwt.py", line 62, in encode
cls=json_encoder
File "/usr/lib/python3.6/json/__init__.py", line 238, in dumps
**kw).encode(obj)
File "/usr/lib/python3.6/json/encoder.py", line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/lib/python3.6/json/encoder.py", line 257, in iterencode
return _iterencode(o, 0)
File "/usr/lib/python3.6/json/encoder.py", line 180, in default
o.__class__.__name__)
This is not related to JWT. Rest Framework is trying to serialize the Phonenumber field to json, but it doesn't know how to do that. Take a look at the DRF docs for how to implement a custom field -- the field is responsible for knowing how to convert between the initial data-type and a serialized representation, and vice versa.