django rest framework http status code

"""
Descriptive HTTP status codes, for code readability.

See RFC 2616 - https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
And RFC 6585 - https://tools.ietf.org/html/rfc6585
And RFC 4918 - https://tools.ietf.org/html/rfc4918
"""
from __future__ import unicode_literals


def is_informational(code):
    return 100 <= code <= 199


def is_success(code):
    return 200 <= code <= 299


def is_redirect(code):
    return 300 <= code <= 399


def is_client_error(code):
    return 400 <= code <= 499


def is_server_error(code):
    return 500 <= code <= 599


HTTP_100_CONTINUE = 100
HTTP_101_SWITCHING_PROTOCOLS = 101
HTTP_200_OK = 200
HTTP_201_CREATED = 201
HTTP_202_ACCEPTED = 202
HTTP_203_NON_AUTHORITATIVE_INFORMATION = 203
HTTP_204_NO_CONTENT = 204
HTTP_205_RESET_CONTENT = 205
HTTP_206_PARTIAL_CONTENT = 206
HTTP_207_MULTI_STATUS = 207
HTTP_300_MULTIPLE_CHOICES = 300
HTTP_301_MOVED_PERMANENTLY = 301
HTTP_302_FOUND = 302
HTTP_303_SEE_OTHER = 303
HTTP_304_NOT_MODIFIED = 304
HTTP_305_USE_PROXY = 305
HTTP_306_RESERVED = 306
HTTP_307_TEMPORARY_REDIRECT = 307
HTTP_400_BAD_REQUEST = 400
HTTP_401_UNAUTHORIZED = 401
HTTP_402_PAYMENT_REQUIRED = 402
HTTP_403_FORBIDDEN = 403
HTTP_404_NOT_FOUND = 404
HTTP_405_METHOD_NOT_ALLOWED = 405
HTTP_406_NOT_ACCEPTABLE = 406
HTTP_407_PROXY_AUTHENTICATION_REQUIRED = 407
HTTP_408_REQUEST_TIMEOUT = 408
HTTP_409_CONFLICT = 409
HTTP_410_GONE = 410
HTTP_411_LENGTH_REQUIRED = 411
HTTP_412_PRECONDITION_FAILED = 412
HTTP_413_REQUEST_ENTITY_TOO_LARGE = 413
HTTP_414_REQUEST_URI_TOO_LONG = 414
HTTP_415_UNSUPPORTED_MEDIA_TYPE = 415
HTTP_416_REQUESTED_RANGE_NOT_SATISFIABLE = 416
HTTP_417_EXPECTATION_FAILED = 417
HTTP_422_UNPROCESSABLE_ENTITY = 422
HTTP_423_LOCKED = 423
HTTP_424_FAILED_DEPENDENCY = 424
HTTP_428_PRECONDITION_REQUIRED = 428
HTTP_429_TOO_MANY_REQUESTS = 429
HTTP_431_REQUEST_HEADER_FIELDS_TOO_LARGE = 431
HTTP_451_UNAVAILABLE_FOR_LEGAL_REASONS = 451
HTTP_500_INTERNAL_SERVER_ERROR = 500
HTTP_501_NOT_IMPLEMENTED = 501
HTTP_502_BAD_GATEWAY = 502
HTTP_503_SERVICE_UNAVAILABLE = 503
HTTP_504_GATEWAY_TIMEOUT = 504
HTTP_505_HTTP_VERSION_NOT_SUPPORTED = 505
HTTP_507_INSUFFICIENT_STORAGE = 507
HTTP_511_NETWORK_AUTHENTICATION_REQUIRED = 511

from rest_framework.views import APIView
from django.http import JsonResponse
from rest_framework import status
import hashlib
import base64


class CeShi(APIView):
    def dispatch(self, request, *args, **kwargs):
        """
        请求到来之后，都要执行dispatch方法，dispatch方法根据请求方式不同触发 get/post/方法
        """
        return super().dispatch(request, *args, **kwargs)

    def get(self, request):
        # get 请求
        key = self.get_token()
        token = request.GET.get('token')
        print(key)
        if key != token:
            return JsonResponse({'status': status.HTTP_401_UNAUTHORIZED, 'msg': 'Token error'}, status=status.HTTP_401_UNAUTHORIZED)
        return JsonResponse({'status': status.HTTP_200_OK, 'data': []}, status=status.HTTP_200_OK)

    def post(self, request):
        token = request.data.get('token')
        key = self.get_token()
        print(request.data)
        # 判断token是否正确
        if key != token:
            return JsonResponse({'status': status.HTTP_401_UNAUTHORIZED, 'msg': 'Token error'}, status=status.HTTP_401_UNAUTHORIZED)
        return JsonResponse({'status': status.HTTP_200_OK, 'data': []}, status=status.HTTP_200_OK)

    def get_token(self):
        """
        sha256+base64得到token
        :return: token
        """
        appkey = 'helloworld'
        # sha256加密
        s = hashlib.sha256(appkey.encode("utf-8")).hexdigest()
        # base64编码
        token = base64.b64encode(s.encode("utf-8")).decode('utf-8')
        return token