[英]pass a variable between multiple custom permission classes in drf
I have a base permission class that two ViewSets are sharing and one other permission class each that is custom to each of the ViewSets, so 3 permissions all together, is there a way to pass a specific variable down from the base permission class to the other permission classes?我有一个基本权限 class 两个 ViewSets 共享和一个其他权限 class 每个都是自定义的每个 ViewSets,所以 3 个权限一起,有没有办法从基本权限 ZA2F2ED4F8EBC2CBBD1Z21A2 向下传递特定变量权限类? My setup looks like this:
我的设置如下所示:
class BasePerm(permissions.BasePermission):
def has_permission(self, request, view):
some_var = # call an API using request variable
class Perm1(permissions.BasePermission):
def has_permission(self, request, view):
# get the value of some_var from BasePerm
class Perm2(permissions.BasePermission):
def has_permission(self, request, view):
# get the value of some_var from BasePerm
class MyViewSet1(mixins.CreateModelMixin, viewsets.GenericViewSet):
permission_classes = [BasePerm, Perm1]
class MyViewSet2(mixins.CreateModelMixin, viewsets.GenericViewSet):
permission_classes = [BasePerm, Perm2]
i don't understand why you don't use mixin.我不明白你为什么不使用mixin。 For you ask:
你问:
class BasePerm(permissions.BasePermission):
def has_permission(self, request, view):
self.some_var = # call an API using request variable
return True
class Perm1(BasePerm):
def has_permission(self, request, view):
# get the value of some_var from BasePerm
return super().has_permission(request, view) and some_staff_with(self.some_var)
class Perm2(BasePerm):
def has_permission(self, request, view):
# get the value of some_var from BasePerm
return super().has_permission(request, view) and some_other_staff_with(self.some_var)
class MyViewSet1(mixins.CreateModelMixin, viewsets.GenericViewSet):
permission_classes = [Perm1]
class MyViewSet2(mixins.CreateModelMixin, viewsets.GenericViewSet):
permission_classes = [Perm2]
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