viewvc.py 文件源码

def load_config(pathname=None, server=None):
  """Load the ViewVC configuration file.  SERVER is the server object
  that will be using this configuration.  Consult the environment for
  the variable VIEWVC_CONF_PATHNAME and VIEWCVS_CONF_PATHNAME (its
  legacy name) and, if set, use its value as the path of the
  configuration file; otherwise, use PATHNAME (if provided).  Failing
  all else, use a hardcoded default configuration path."""

  debug.t_start('load-config')

  # See if the environment contains overrides to the configuration
  # path.  If we have a SERVER object, consult its environment; use
  # the OS environment otherwise.
  env_get = server and server.getenv or os.environ.get
  env_pathname = (env_get("VIEWVC_CONF_PATHNAME")
                  or env_get("VIEWCVS_CONF_PATHNAME"))

  # Try to find the configuration pathname by searching these ordered
  # locations: the environment, the passed-in PATHNAME, the hard-coded
  # default.
  pathname = (env_pathname
              or pathname
              or os.path.join(os.path.dirname(os.path.dirname(__file__)),
                              "viewvc.conf"))

  # Load the configuration!
  cfg = config.Config()
  cfg.set_defaults()
  cfg.load_config(pathname, env_get("HTTP_HOST"))

  # Load mime types file(s), but reverse the order -- our
  # configuration uses a most-to-least preferred approach, but the
  # 'mimetypes' package wants things the other way around.
  if cfg.general.mime_types_files:
    files = cfg.general.mime_types_files[:]
    files.reverse()
    files = map(lambda x, y=pathname: os.path.join(os.path.dirname(y), x), files)
    mimetypes.init(files)

  debug.t_end('load-config')
  return cfg