@task
@virtualenv(dir=os.path.join(r"test_env",r"pltest"))
def big_tests(quiet=False):
    """ Run all example unit_tests in a fresh python 2.7 context. """
    tell("Run acceptance tests (big examples)")
    # sh("pip install -r requirements.txt", capture=quiet)
    sh("pip install %s --upgrade" % get_latest_dist(), capture=quiet)
    files = " ".join(match_files("examples", "*.py"))
    sh("py.test-2.7 -v " + files)
dataset/ETHPy150Open gdanezis/petlib/pavement.py/big_tests/original