JWT 如何与 django-phonenumber-field 一起使用

Question

我使用django-phonenumber-field 作为我的电话号码模型字段和序列化程序。它奏效了，一切都很好。现在，我正在尝试在 djsoer 和 djangorestframework-jwt 这两个包的 Django Rest Framework 中实现 Json Web Token。我正在管理旧的（django 1.11）代码库并将其迁移到 Django2。现在，每当我尝试创建新的身份验证令牌时，都会收到内部服务器错误。 错误信息：

TypeError: Object of type 'PhoneNumber' is not JSON serializable

我知道 Django-phonenumber-field 包中的 PhoneNumber 对象对此负责。但是，错误堆栈位于 djangorestframework-jwt 中。如何在 JWT 上添加/传递 PhoneNumber 序列化程序？

[ 我不知道需要哪个代码库，所以我没有添加任何代码库。问我，我稍后会描述/添加。]

TIA。

编辑#1：

追溯

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__)

Answer 1

这与 JWT 无关。 Rest Framework 正在尝试将 Phonenumber 字段序列化为 json，但它不知道该怎么做。查看 DRF 文档以了解如何实现 a custom field - 该字段负责了解如何在初始数据类型和序列化表示之间进行转换，反之亦然。