Customized middleware

middleware.py

import collections
import json
import logging
import uuid

request_logger = logging.getLogger('django')


class LoggingMiddleware:
    """
    Provides simple logging of requests and responses
    I decided to start logging at RESTful API first then I will expand it later
    """
    _initial_http_body = None
    __uuid = None

    def __init__(self, get_response):
        self.get_response = get_response

    def __call__(self, request):
        response = self.get_response(request)
        self.process_request(request)
        self.process_response(request, response)
        return response

    def process_request(self, request):

        if request.path.startswith('/api/'):
            data = collections.OrderedDict()
            data["user"] = request.user.username
            data["path"] = request.path
            data["method"] = request.method
            data["content-type"] = request.content_type
            if request.method == 'GET':
                data['GET'] = request.GET
            elif request.method == 'POST':
                data['POST'] = request.POST
            elif request.method == 'DELETE':
                pass
            self.__uuid = str(uuid.uuid4())
            request_logger.info(f'{self.__uuid} {json.dumps(data)}')

    def process_response(self, request, response):
        """
        Adding request and response logging
        """
        if request.path.startswith('/api/'):
            try:
                response.data
            except Exception:
                msg = f'{self.__uuid} {response.status_code}'
            else:
                msg = f'{self.__uuid} {response.status_code} {response.data}'
            finally:
                request_logger.info(msg)
        return response

    def process_exception(self, request, exception):
        request_logger.info(f"{self.__uuid} {exception}")