How to pass tuple as argument to django function

Question

I want to pass tuple to this function but i am getting error

mytuple = [('id', 'name','author')]
mybooks = Book.objects.values_list(mytuple)

error is

'list' object has no attribute 'split'

Actually i was using tuple but when i get error i put [] to test — tej.tan, Jul 07 '11 at 17:23

score 9 · Accepted Answer · answered Jul 07 '11 at 17:21

9

You should use:

mytuple = ('id', 'name', 'author')
mybooks = Book.objects.values_list(*mytuple)

answered Jul 07 '11 at 17:21

David Wolever

It works because he used the * before the tuple name which expands it. – Eric Fortin Jul 07 '11 at 17:24
2

In Python, calling `foo(*list)` is roughy equivalent to calling `foo(list[0], list[1], …, list[len(list)-1])`. – David Wolever Jul 07 '11 at 17:24
See also: http://stackoverflow.com/questions/36901/what-does-and-do-for-python-parameters – David Wolever Jul 07 '11 at 17:25

1 Answers1