setuptools + data_files = 2

[luc2]

hello, would you know how to make data_files work in setuptools ?
i can't figure out how to put datas in the generated .tar.gz

$ find .
./hello
./hello/__init__.py
./share
./share/test_file.txt
./setup.py

$ cat ./hello/__init__.py
def hello():
    print( 'hello' )

$ cat ./share/test_file.txt
this is a test

$ cat ./hello/setup.py
from setuptools import setup, find_packages
setup(
    name = "Hello",
    version = "0.1",
    packages = find_packages(),
    data_files = [
        ( 'share', ['share/test_file.txt'] )
    ]
)

$ python setup.py sdist

$ tar tvf dist/Hello-0.1.tar.gz | grep test_file.txt

$ echo "no test_file.txt :-("