setup.py

#!/usr/bin/env python

import setuptools
from setuptools.command.test import test as TestCommand
import sys

# In python < 2.7.4, a lazy loading of package `pbr` will break
# setuptools if some other modules registered functions in `atexit`.
# solution from: http://bugs.python.org/issue15881#msg170215
try:
 import multiprocessing # noqa
except ImportError:
 pass


class PyTest(TestCommand):

 def initialize_options(self):
 TestCommand.initialize_options(self)
 self.pytest_args = []

 def finalize_options(self):
 TestCommand.finalize_options(self)
 self.test_args = []
 self.test_suite = True

 def run_tests(self):
 # import here, cause outside the eggs aren't loaded
 import pytest
 errno = pytest.main(self.pytest_args)
 sys.exit(errno)


setuptools.setup(
 setup_requires=['pbr>=1.9', 'setuptools>=17.1', 'pytest-runner'],
 pbr=True,
 cmdclass={'test': PyTest},
 test_suite='tests')