info.py 文件源码

def _displayMetaInfo(self):
        display_list = DisplayList()

        def mkkey(k):
            return Style.bright(Fg.blue(str(k)))

        def mkval(v):
            return str(v)

        display_list.add(mkkey("Version"), mkval(version))
        display_list.add(mkkey("Database URL"),
                         mkval(safeDbUrl(self.config.db_url)))
        try:
            meta = self.db_session.query(Meta).one()
        except (ProgrammingError, OperationalError) as ex:
            print("\nError querying metadata. Database may not be "
                  "initialized: %s" % str(ex), file=sys.stderr)
            return 1

        display_list.add(mkkey("Database version"), mkval(meta.version))
        display_list.add(mkkey("Last sync"), mkval(meta.last_sync or "Never"))
        display_list.add(mkkey("Configuration files "),
                         mkval(", ".join(self.args.config.input_filenames)))
        display_list.print("{k} {delim} {v}", delim=Style.bright(":"))