version.py 文件源码

def _load_config():
    # Don't load in global context, since we can't assume
    # these modules are accessible when distutils uses
    # this module
    from six.moves import configparser

    from oslo_config import cfg

    import logging

    global loaded, NOVA_VENDOR, NOVA_PRODUCT, NOVA_PACKAGE
    if loaded:
        return

    loaded = True

    cfgfile = cfg.CONF.find_file("release")
    if cfgfile is None:
        return

    try:
        cfg = configparser.RawConfigParser()
        cfg.read(cfgfile)

        if cfg.has_option("Nova", "vendor"):
            NOVA_VENDOR = cfg.get("Nova", "vendor")

        if cfg.has_option("Nova", "product"):
            NOVA_PRODUCT = cfg.get("Nova", "product")

        if cfg.has_option("Nova", "package"):
            NOVA_PACKAGE = cfg.get("Nova", "package")
    except Exception as ex:
        LOG = logging.getLogger(__name__)
        LOG.error(_LE("Failed to load %(cfgfile)s: %(ex)s"),
                  {'cfgfile': cfgfile, 'ex': ex})