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"""OpenAPI core contrib django middlewares module"""
from typing import Callable
from django.conf import settings
from django.http.request import HttpRequest
from django.http.response import HttpResponse
from openapi_core.contrib.django.handlers import DjangoOpenAPIErrorsHandler
from openapi_core.contrib.django.handlers import (
DjangoOpenAPIValidRequestHandler,
)
from openapi_core.contrib.django.integrations import DjangoIntegration
from openapi_core.contrib.django.providers import get_default_openapi_instance
class DjangoOpenAPIMiddleware(DjangoIntegration):
valid_request_handler_cls = DjangoOpenAPIValidRequestHandler
errors_handler = DjangoOpenAPIErrorsHandler()
def __init__(self, get_response: Callable[[HttpRequest], HttpResponse]):
self.get_response = get_response
if hasattr(settings, "OPENAPI_RESPONSE_CLS"):
self.response_cls = settings.OPENAPI_RESPONSE_CLS
openapi = get_default_openapi_instance()
super().__init__(openapi)
def __call__(self, request: HttpRequest) -> HttpResponse:
valid_request_handler = self.valid_request_handler_cls(
request, self.get_response
)
response = self.handle_request(
request, valid_request_handler, self.errors_handler
)
return self.handle_response(request, response, self.errors_handler)
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