主题：如何获得最新的不完整k线

from PythonApi import *

def init(context):

   """ Mandatory """

   settimer(auto_test, 1000)

   pass

def handle_bar(context):

   """ Mandatory """

   pass

def auto_test(context):

   contract_id = context.universe[0]

   bar_list = history_bars(order_book_id=contract_id,

                           bar_count=1,

                           frequency='5m',

                           fields=['open', 'close', 'high', 'low', 'datetime'],

                           include_now=True)

   write_logging(str(len(bar_list)))

   bar = bar_list[-1]

   text = contract_id + ' True'

   text += '\n- open: %s' % (bar[0])

   text += '\n- close: %s' % (bar[1])

   text += '\n- high: %s' % (bar[2])

   text += '\n- low: %s' % (bar[3])

   text += '\n- datetime: %s' % (bar[4])

   write_logging(text)

   bar_list = history_bars(order_book_id=contract_id,

                           bar_count=1,

                           frequency='5m',

                           fields=['open', 'close', 'high', 'low', 'datetime'],

                           include_now=False)

   bar = bar_list[-1]

   text = contract_id + ' False'

   text += '\n- open: %s' % (bar[0])

   text += '\n- close: %s' % (bar[1])

   text += '\n- high: %s' % (bar[2])

   text += '\n- low: %s' % (bar[3])

   text += '\n- datetime: %s' % (bar[4])

   write_logging(text)

   pass