如何修复TypeError：期望的字符串或类似字节的对象？

Question

当我提交，这个错误是炸毁，谁可以帮助，欢迎，兄弟）！

堆栈问我添加更多的文本，但要添加什么？如果一切都被告知？

但要添加什么？如果一切都被告知？

的错误与日期

fulltraceback

> Internal Server Error: /accounts/reset_activation_key/ Traceback (most 
> recent call last): File 
> "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\core\handlers\exception.py", 
> line 41, in inner 
>  response = get_response(request) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\core\handlers\base.py", 
> line 187, in _get_response 
>  response = self.process_exception_by_middleware(e, request) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\core\handlers\base.py", 
> line 185, in _get_response 
>  response = wrapped_callback(request, *callback_args, **callback_kwargs) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\newstudio\accounts\views.py", 
> line 140, in reset_activation_key 
>  profile.save() File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\base.py", 
> line 806, in save 
>  force_update=force_update, update_fields=update_fields) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\base.py", 
> line 836, in save_base 
>  updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields) File 
> "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\base.py", 
> line 903, in _save_table 
>  forced_update) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\base.py", 
> line 953, in _do_update 
>  return filtered._update(values) > 0 File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\query.py", 
> line 664, in _update 
>  return query.get_compiler(self.db).execute_sql(CURSOR) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\sql\compiler.py", 
> line 1191, in execute_sql 
>  cursor = super(SQLUpdateCompiler, self).execute_sql(result_type) File 
> "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\sql\compiler.py", 
> line 863, in execute_sql 
>  sql, params = self.as_sql() File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\sql\compiler.py", 
> line 1157, in as_sql 
>  val = field.get_db_prep_save(val, connection=self.connection) File 
> "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\fields\__init__.py", 
> line 770, in get_db_prep_save 
>  prepared=False) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\fields\__init__.py", 
> line 1459, in get_db_prep_value 
>  value = self.get_prep_value(value) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\fields\__init__.py", 
> line 1438, in get_prep_value 
>  value = super(DateTimeField, self).get_prep_value(value) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\fields\__init__.py", 
> line 1296, in get_prep_value 
>  return self.to_python(value) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\db\models\fields\__init__.py", 
> line 1399, in to_python 
>  parsed = parse_datetime(value) File "C:\Users\P.A.N.D.E.M.I.C\Desktop\td11\lib\site-packages\django\utils\dateparse.py", 
> line 94, in parse_datetime 
>  match = datetime_re.match(value) TypeError: expected string or bytes-like object 

views.py

def reset_activation_key(request): 
    if request.user.is_authenticated(): 
     return redirect('/accounts/logout') 
    if request.method == "POST": 
     form     = ResetActivatioKey(request.POST or None) 
     if form.is_valid(): 
      email    = form.cleaned_data['email'] 
      user    = User.objects.get(email=email) 
      profile    = UserProfile.objects.get(user=user) 
      if profile.is_active: 
       return redirect('/accounts/login') 
      if profile is not None and profile.is_active == False : 
       username  = user.username 
       get_secret_key = activation_key_generator(username) 
       print(get_secret_key) 
       profile.activation_key = get_secret_key 
       profile.key_expires = (timezone.now() + datetime.timedelta(days=2)), 
       profile.save() 

       send_some_email(email, username, get_secret_key) 
       return redirect('/account/register/') 
    form = ResetActivatioKey() 
    context = {"form":form} 
    return render(request, 'accounts/registration/reset_activation_key.html', context) 

Answer 1

下面的线造成你麻烦

profile.key_expires = (timezone.now() + datetime.timedelta(days=2)), 

要设置key_expires为元组而不是字符串。将其更改为

profile.key_expires = timezone.now() + datetime.timedelta(days=2) 

也从上面提到的行末尾删除逗号。