prompt.py 文件源码

def __init__(self, parser, engine, options=None):
        self.parser = parser
        self.engine = engine
        self.options = options if options is not None else {}
        util.ensure_data_dir_exists()
        application = create_prompt_application(
            message='> ',
            lexer=PygmentsLexer(SqlLexer),
            history=FileHistory(os.path.expanduser('~/.aq/history')),
            completer=AqCompleter(schemas=engine.available_schemas, tables=engine.available_tables),
            auto_suggest=AutoSuggestFromHistory(),
            validator=QueryValidator(parser),
            on_abort=AbortAction.RETRY,
        )
        loop = create_eventloop()
        self.cli = CommandLineInterface(application=application, eventloop=loop)
        self.patch_context = self.cli.patch_stdout_context()