database.py 文件源码

def __init__(self, pathname=None, cache=None):
        GObject.GObject.__init__(self)
        # initialize at creation time to avoid spurious AttributeError
        self._use_agent = False
        self._use_axi = False

        if pathname is None:
            pathname = softwarecenter.paths.XAPIAN_PATH
        self._db_pathname = pathname
        if cache is None:
            cache = get_pkg_info()
        self._aptcache = cache
        self._additional_databases = []
        # the xapian values as read from /var/lib/apt-xapian-index/values
        self._axi_values = {}
        # we open one db per thread, thread names are reused eventually
        # so no memory leak
        self._db_per_thread = {}
        self._parser_per_thread = {}
        self._axi_stamp_monitor = None