repair.py 文件源码

def verify_patchelf():
    """This function looks for the ``patchelf`` external binary in the PATH,
    checks for the required version, and throws an exception if a proper
    version can't be found. Otherwise, silcence is golden
    """
    if not find_executable('patchelf'):
        raise ValueError('Cannot find required utility `patchelf` in PATH')
    try:
        version = check_output(['patchelf', '--version']).decode('utf-8')
    except CalledProcessError:
        raise ValueError('Could not call `patchelf` binary')

    m = re.match('patchelf\s+(\d+(.\d+)?)', version)
    if m and tuple(int(x) for x in m.group(1).split('.')) >= (0, 9):
        return
    raise ValueError(('patchelf %s found. auditwheel repair requires '
                      'patchelf >= 0.9.') %
                     version)