pydevconsole.py 文件源码

def process_exec_queue(interpreter):
    init_mpl_in_console(interpreter)
    from pydev_ipython.inputhook import get_inputhook

    while 1:
        # Running the request may have changed the inputhook in use
        inputhook = get_inputhook()

        if _ProcessExecQueueHelper._debug_hook:
            _ProcessExecQueueHelper._debug_hook()

        if inputhook:
            try:
                # Note: it'll block here until return_control returns True.
                inputhook()
            except:
                import traceback;traceback.print_exc()
        try:
            try:
                code_fragment = interpreter.exec_queue.get(block=True, timeout=1/20.) # 20 calls/second
            except _queue.Empty:
                continue

            if hasattr(code_fragment, '__call__'):
                # It can be a callable (i.e.: something that must run in the main
                # thread can be put in the queue for later execution).
                code_fragment()
            else:
                more = interpreter.add_exec(code_fragment)
        except KeyboardInterrupt:
            interpreter.buffer = None
            continue
        except SystemExit:
            raise
        except:
            type, value, tb = sys.exc_info()
            traceback.print_exception(type, value, tb, file=sys.__stderr__)
            exit()