我想撰寫一個裝飾器，它接受來自重定向函式的輸入（值：id_contrat）。如果我再解釋一點。用戶在表單中選擇一個值，然后將該值重定向到另一個視圖“主頁”。我想檢查用戶是否擁有這個值的權限！所以我需要把它放在我的裝飾器里。如何將此值添加到我的裝飾器。
I tried something but it is not working : `TypeError: wrapper_func() got an unexpected keyword argument 'id_contrat'`
我的看法：
@authenticated_user
def selectcontrat(request) :
context = initialize_context(request)
form_client = SelectClient(request.POST, user=request.user)
if form_client.is_valid():
id_contrat = request.POST.get("ID_Customer")
return redirect(reverse('home', args=(id_contrat,)))
context['form_client'] = form_client
return render(request, 'base/selectcontrat.html', context)
@authenticated_user
@check_user_rights
def home(request, id_contrat=None):
context = initialize_context(request)
return render(request, 'home.html', context)
網址定義：
from django.urls import path
from . import views
urlpatterns = [
path('home/<int:id_contrat>/', views.home, name="home"),
path('', views.loginAD, name="login"),
path('signin', views.sign_in, name='signin'),
path('callback', views.callback, name='callback'),
path('selectcontrat', views.selectcontrat, name='selectcontrat')
表格 ：
class SelectClient(forms.Form):
ID_Customer = forms.ChoiceField(label="Company :")
def __init__(self, *args, **kwargs) :
self.user = kwargs.pop('user')
super(SelectClient, self).__init__(*args, **kwargs)
id_client_list = AADJNTGroup.objects.filter(ID_User_id=self.user.id).values_list('ID_Group_id', flat=True)
id_client_list = list(id_client_list)
client_choices = Groups.objects.all().filter(ID__in=id_client_list).values_list('IDCustomer','GroupName')
self.fields['ID_Customer'].choices = client_choices
編輯：裝飾師
def check_user_rights(id_contrat) ：
def wrapper_func(view_func) :
@wraps(view_func)
def wrapper(request, *args, **kwargs) :
print(kwargs["id_contrat"])
return view_func(request, *args, **kwargs)
return wrapper
return wrapper_func
uj5u.com熱心網友回復：
您應該id_contrat從裝飾器中洗掉引數，除非您計劃在裝飾視圖時傳遞此引數，例如@check_user_rights(my_id_contrat)
def check_user_rights():
def wrapper_func(view_func):
@wraps(view_func)
def wrapper(request, *args, **kwargs):
# This prints all the keyword arguments passed to your view
# and should contain id_contrat from your url
print(kwargs)
return view_func(request, *args, **kwargs)
return wrapper
return wrapper_func
@check_user_rights()
def home(request, id_contrat=None):
context = initialize_context(request)
return render(request, 'home.html', context)
您還可能會在“制作自定義 django 視圖裝飾器（帶引數）時遇到問題”的答案的評論中找到一些價值
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