django_global_request

import contextvars
import django.http

GLOBAL_REQUEST = contextvars.ContextVar("GLOBAL_REQUEST", default=None)

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

    def __call__(self, request):
        global GLOBAL_REQUEST
        GLOBAL_REQUEST.set(request)
        return self.get_response(request)

# 用这个获取 request 实例
def get_request() -> django.http.HttpRequest:
    return middleware.GLOBAL_REQUEST.get()