def require(role):
def wrapper(fn):
def new_fn(*args, **kwargs):
if not role in kwargs.get('roles', []):
print("%s not in %s" % (role, kwargs.get('roles', [])))
raise Exception("Unauthorized")
return fn(*args, **kwargs)
return new_fn
return wrapper
@require('admin')
def get_users(**kwargs):
return ('Alice', 'Bob')
上面的代码require
用admin
. 似乎该函数get_users
传递给 的参数fn
。wrapper
但是,如何get_users
传递给参数fn
?