修改在详情页删除数据报的错误

xadmin/views/delete.py

@@ -2,6 +2,7 @@
 from django.db import transaction, router
 from django.http import Http404, HttpResponseRedirect
 from django.template.response import TemplateResponse
+from django import VERSION as django_version
 from django.utils import six
 from django.utils.encoding import force_text
 from django.utils.html import escape
@@ -17,6 +18,13 @@
 class DeleteAdminView(ModelAdminView):
     delete_confirmation_template = None
 
+    def __init__(self, request, *args, **kwargs):
+        if django_version > (2, 0):
+            for model in self.admin_site._registry:
+                if not hasattr(self.admin_site._registry[model], 'has_delete_permission'):
+                    setattr(self.admin_site._registry[model], 'has_delete_permission', self.has_delete_permission)
+        super(DeleteAdminView, self).__init__(request, *args, **kwargs)
+
     def init_request(self, object_id, *args, **kwargs):
         "The 'delete' admin view for this model."
         self.obj = self.get_object(unquote(object_id))
@@ -31,8 +39,12 @@ def init_request(self, object_id, *args, **kwargs):
 
         # Populate deleted_objects, a data structure of all related objects that
         # will also be deleted.
-        (self.deleted_objects, model_count, self.perms_needed, self.protected) = get_deleted_objects(
-            [self.obj], self.opts, self.request.user, self.admin_site, using)
+        if django_version > (2, 0):
+            (self.deleted_objects, model_count, self.perms_needed, self.protected) = get_deleted_objects(
+                [self.obj], self.opts, self.admin_site)
+        else:
+            (self.deleted_objects, model_count, self.perms_needed, self.protected) = get_deleted_objects(
+                [self.obj], self.opts, self.request.user, self.admin_site, using)
 
     @csrf_protect_m
     @filter_hook