HttpVerbViewMiddleware for Django+HTMX

middleware.py

from django.http import HttpRequest, HttpResponse, QueryDict


class HttpVerbViewMiddleware:
  """Adds support for all HTTP verbs.

  Notes
  -----
  Django uses request.GET and request.POST to store QueryDicts
  of the request's URL parameters and body respectively. In an
  attempt to more accurately depict their roles, we store these
  values in request.QUERY and request.BODY.

  """

  def __init__(self, get_response) -> None:
    self.get_response = get_response

  def __call__(self, request: HttpRequest) -> HttpResponse:
    return self.get_response(request)

  def process_view(self, request, view_func, view_args, view_kwargs):
    request.QUERY = request.GET.copy()
    request.BODY = request.POST.copy() or QueryDict(request.body)
    if not getattr(request, 'htmx', None):
      if _method := (request.POST.get('_method') or request.GET.get('_method')):
        request.method = _method.upper()