Function tarfile_open

nodeenv.py:588–594

Compatibility layer because py26.

(*args, **kwargs)

@contextlib.contextmanager
def tarfile_open(*args, **kwargs):
    """Compatibility layer because py26."""
    tf = tarfile.open(*args, **kwargs)
    try:
        yield tf
    finally:
        tf.close()


def _download_node_file(node_url, n_attempt=3):