Method changelist_view

django/contrib/admin/options.py:2298–2470

The 'change list' admin view for this model.

(self, request, extra_context=None)

    @csrf_protect_m
    def changelist_view(self, request, extra_context=None):
        """
        The 'change list' admin view for this model.
        """
        from django.contrib.admin.views.main import ERROR_FLAG

        app_label = self.opts.app_label
        if not self.has_view_or_change_permission(request):
            raise PermissionDenied

        try:
            cl = self.get_changelist_instance(request)
        except IncorrectLookupParameters:
            # Wacky lookup parameters were given, so redirect to the main
            # changelist page, without parameters, and pass an 'invalid=1'
            # parameter via the query string. If wacky parameters were given
            # and the 'invalid=1' parameter was already in the query string,
            # something is screwed up with the database, so display an error
            # page.
            if ERROR_FLAG in request.GET:
                return SimpleTemplateResponse(
                    "admin/invalid_setup.html",
                    {
                        "title": _("Database error"),
                    },
                )
            return HttpResponseRedirect(request.path + "?" + ERROR_FLAG + "=1")

        # If the request was POSTed, this might be a bulk action or a bulk
        # edit. Try to look up an action or confirmation first, but if this
        # isn't an action the POST will fall through to the bulk edit check,
        # below.
        action_failed = False
        selected = request.POST.getlist(helpers.ACTION_CHECKBOX_NAME)

        # RemovedInDjango70Warning: When the deprecation ends, replace with:
        # actions = self.get_actions(
        #     request, action_location=ActionLocation.CHANGE_LIST
        # )
        actions = self._get_actions_with_action_location(
            request, action_location=ActionLocation.CHANGE_LIST
        )
        # Actions with no confirmation
        if (
            actions
            and request.method == "POST"
            and "index" in request.POST
            and "_save" not in request.POST
        ):
            if selected:
                response = self.response_action(
                    request,
                    queryset=cl.get_queryset(request),
                    action_location=ActionLocation.CHANGE_LIST,
                )
                if response:
                    return response
                else: