def release_dict(): """Return the output of lsb_release -a as a dictionary""" from subprocess import PIPE try: output, err = bb.process.run(['lsb_release', '-a'], stderr=PIPE) except bb.process.CmdError as exc: return None data = {} for line in output.splitlines(): try: key, value = line.split(":\t", 1) except ValueError: continue else: data[key] = value return data def distro_identifier(adjust_hook=None): """Return a distro identifier string based upon lsb_release -ri, with optional adjustment via a hook""" lsb_data = release_dict() if lsb_data: distro_id, release = lsb_data['Distributor ID'], lsb_data['Release'] else: distro_id, release = None, None if adjust_hook: distro_id, release = adjust_hook(distro_id, release) if not distro_id: return "Unknown" return '{0}-{1}'.format(distro_id, release).replace(' ','-')