__init__.py 文件源码

def shell():
    c = Chitin()

    cmd_history = FileHistory(os.path.expanduser('~') + '/.chitin.history')
    print(WELCOME)
    message = VERSION

    def get_bottom_toolbar_tokens(cli):
        return [(Token.Toolbar, ' '+message)]

    style = style_from_dict({
        Token.Toolbar: '#ffffff bg:#333333',
    })
    completer = SystemCompleter()
    del completer.completers["executable"]

    # Check whether files in and around the current directory have been changed...
    for failed in util.check_integrity_set(set(".")):
        print("[WARN] '%s' has been modified outside of lab book." % failed)
    try:
        while True:
            cmd_str = ""
            while len(cmd_str.strip()) == 0:
                cmd_str = prompt(u'===> ',
                        history=cmd_history,
                        auto_suggest=AutoSuggestFromHistory(),
                        completer=completer,
                        lexer=PygmentsLexer(BashLexer),
                        get_bottom_toolbar_tokens=get_bottom_toolbar_tokens,
                        style=style,
                        on_abort=AbortAction.RETRY,
                )


            fields = cmd_str.split(" ")
            command_set = [" ".join(fields)]

            skip, special_command_set = c.attempt_special(cmd_str)
            if skip:
                continue
            if len(special_command_set) > 0:
                command_set = special_command_set

            #####################################
            handled = c.super_handle(command_set)
            if handled:
                if "message" in handled:
                    message = handled["message"]
                else:
                    message = VERSION
            #####################################

    except EOFError:
        print("Bye!")