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 release_dict_file(): """ Try to gather LSB release information manually when lsb_release tool is unavailable """ data = None try: if os.path.exists('/etc/lsb-release'): data = {} with open('/etc/lsb-release') as f: for line in f: key, value = line.split("=", 1) data[key] = value elif os.path.exists('/etc/redhat-release'): data = {} with open('/etc/redhat-release') as f: distro = f.readline().strip() import re match = re.match(r'(.*) release (.*) \((.*)\)', distro) if match: data['DISTRIB_ID'] = match.group(1) data['DISTRIB_RELEASE'] = match.group(2) elif os.path.exists('/etc/SuSE-release'): data = {} data['DISTRIB_ID'] = 'SUSE LINUX' with open('/etc/SuSE-release') as f: for line in f: if line.startswith('VERSION = '): data['DISTRIB_RELEASE'] = line[10:].rstrip() break except IOError: return None 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: lsb_data_file = release_dict_file() if lsb_data_file: distro_id, release = lsb_data_file['DISTRIB_ID'], lsb_data_file['DISTRIB_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(' ','-').replace('/','-')