def start_loop():
# 更新时间
hour = 18
rdinfo = redisRW.redisrw(redisRW.db_info)
# 上次入库时间
update_time = rdinfo.read_dec_datetime('update')
if update_time is not None:
last_up_date = update_time['datetime']
now_date = datetime.datetime.now()
diff_days = (now_date.date() - last_up_date.date()).days
if diff_days > 1 or (diff_days == 1 and last_up_date.hour < hour):
last_up_date = now_date
update(rdinfo, last_up_date)
else:
last_up_date = datetime.datetime.now()
update(rdinfo, last_up_date)
while True:
now_date = datetime.datetime.now()
if now_date.hour >= hour:
# 只有在今天指定时间更新才有效
if last_up_date.date() < now_date.date(
) or last_up_date.hour < hour:
last_up_date = now_date
update(rdinfo, last_up_date)
if comm.is_trade_time():
global commobj
print('登陆交易终端', rpcTrade.login())
# 清空数据
redisRW.redisrw(redisRW.db_backtest_chicang).del_db()
redisRW.redisrw(redisRW.db_sell).del_db()
runQuotation.start_quotation_process(commobj)
print('结束交易终端', rpcTrade.kill())
time.sleep(5)
def start_quotation_process(commobj,
back_test_date: datetime.datetime = None,
process_count=3):
# 交易时间不允许回放行情
if commobj.is_backtest and comm.is_trade_time():
return
rdxg = redisRW.redisrw(redisRW.db_xg)
rdsell = redisRW.redisrw(redisRW.db_sell)
rdsell.del_db()
# 读取选股数据
xg_data_list = rdxg.read_all_dec()
if len(xg_data_list) == 0:
print('没有选股数据')
wait_trade_time_end()
return
# 清空数据
redisRW.redisrw(redisRW.db_realtime_tick).del_db()
rdmainquotation = redisRW.redisrw(redisRW.db_mainquotaion)
rdmainquotation.del_db()
# 数据分块
bk = math.ceil(len(xg_data_list) / process_count)
bk_data_list = []
temp = []
p_list = []
for i in range(len(xg_data_list)):
if i > 0 and i % bk == 0:
bk_data_list.append(temp)
temp = []
temp.append(xg_data_list[i])
if len(temp) > 0:
bk_data_list.append(temp)
if back_test_date is None:
tdx = dataTdx.DataTdx()
# 可用服务器
addrs_list_info = tdx.get_sort_address_info()
addr_ky_count = len(addrs_list_info)
if addr_ky_count == 0:
print('没有可用服务器。')
wait_trade_time_end()
return
print('可用服务器', addr_ky_count, '最大延时',
addrs_list_info[addr_ky_count - 1][3], 'ms')
# 启动通达信实时行情进程
for b in bk_data_list:
p = Process(target=c_ths_tdx, args=(commobj, addrs_list_info, b))
p_list.append(p)
p.start()
else:
# 启动回测行情模拟进程
for b in bk_data_list:
p = Process(target=c_ths_back_test,
args=(commobj, back_test_date, b))
p_list.append(p)
p.start()
print('行情服务已启动，选股数量', len(xg_data_list))
for p in p_list:
p.join()
print('行情服务结束。')
def wait_trade_time_end():
# 在交易时间就等待交易时间结束
while comm.is_trade_time():
time.sleep(10)