application.py 文件源码

def setup_sync_dir(self):
        self.cache_dir = appdirs.user_cache_dir("studip", "fknorr")
        self.create_path(self.cache_dir)
        history_file_name = os.path.join(appdirs.user_cache_dir("studip", "fknorr"), "history")
        history = []
        try:
            with open(history_file_name, "r", encoding="utf-8") as file:
                history = list(filter(None, file.read().splitlines()))
        except Exception:
            pass

        skipped_history = 0
        if "sync_dir" in self.command_line:
            sync_dir = self.command_line["sync_dir"]
        else:
            if history and os.path.isdir(history[0]):
                sync_dir = history[0]
                print("Using last sync directory {} ...".format(sync_dir))
            else:
                skipped_history = 1
                default_dir = "~/StudIP"
                for entry in history[1:]:
                    skipped_history += 1
                    if os.path.isdir(entry):
                        default_dir = entry

                sync_dir = input("Sync directory [{}]: ".format(default_dir))
                if not sync_dir:
                    sync_dir = default_dir

        sync_dir = os.path.abspath(os.path.expanduser(sync_dir))
        history = history[skipped_history:]
        while sync_dir in history:
            history.remove(sync_dir)

        history.insert(0, sync_dir)
        self.sync_dir = sync_dir

        try:
            with open(history_file_name, "w", encoding="utf-8") as file:
                file.write("\n".join(history) + "\n")
        except Exception as e:
            self.print_io_error("Unable to write to", history_file_name, e)
            raise ApplicationExit()

        self.dot_dir = os.path.join(self.sync_dir, ".studip")
        self.create_path(self.dot_dir)

        self.config_file_name = os.path.join(self.dot_dir, "studip.conf")
        self.db_file_name = os.path.join(self.dot_dir, "cache.sqlite")