class Trader(object):
logger = logging.getLogger(__name__)
entity_schema: EntityMixin = None
def __init__(self,
entity_ids: List[str] = None,
exchanges: List[str] = ['sh', 'sz'],
codes: List[str] = None,
start_timestamp: Union[str, pd.Timestamp] = None,
end_timestamp: Union[str, pd.Timestamp] = None,
provider: str = None,
level: Union[str, IntervalLevel] = IntervalLevel.LEVEL_1DAY,
trader_name: str = None,
real_time: bool = False,
kdata_use_begin_time: bool = False,
draw_result: bool = True) -> None:
assert self.entity_schema is not None
if trader_name:
self.trader_name = trader_name
else:
self.trader_name = type(self).__name__.lower()
self.trading_signal_listeners = []
self.selectors: List[TargetSelector] = []
self.entity_ids = entity_ids
self.exchanges = exchanges
self.codes = codes
self.provider = provider
# make sure the min level selector correspond to the provider and level
self.level = IntervalLevel(level)
self.real_time = real_time
if start_timestamp and end_timestamp:
self.start_timestamp = to_pd_timestamp(start_timestamp)
self.end_timestamp = to_pd_timestamp(end_timestamp)
else:
assert False
if real_time:
logger.info(
'real_time mode, end_timestamp should be future,you could set it big enough for running forever'
)
assert self.end_timestamp >= now_pd_timestamp()
self.kdata_use_begin_time = kdata_use_begin_time
self.draw_result = draw_result
self.account_service = SimAccountService(
trader_name=self.trader_name,
timestamp=self.start_timestamp,
provider=self.provider,
level=self.level)
self.add_trading_signal_listener(self.account_service)
self.init_selectors(entity_ids=entity_ids,
entity_schema=self.entity_schema,
exchanges=self.exchanges,
codes=self.codes,
start_timestamp=self.start_timestamp,
end_timestamp=self.end_timestamp)
self.selectors_comparator = self.init_selectors_comparator()
self.trading_level_asc = list(
set([IntervalLevel(selector.level)
for selector in self.selectors]))
self.trading_level_asc.sort()
self.trading_level_desc = list(self.trading_level_asc)
self.trading_level_desc.reverse()
self.targets_slot: TargetsSlot = TargetsSlot()
self.session = get_db_session('zvt', 'business')
trader = get_trader(session=self.session,
trader_name=self.trader_name,
return_type='domain',
limit=1)
if trader:
self.logger.warning(
"trader:{} has run before,old result would be deleted".format(
self.trader_name))
self.session.query(business.Trader).filter(
business.Trader.trader_name == self.trader_name).delete()
self.session.commit()
self.on_start()
def on_start(self):
if not self.selectors:
raise Exception(
'please setup self.selectors in init_selectors at first')
# run all the selectors
for selector in self.selectors:
# run for the history data at first
selector.run()
if self.entity_ids:
entity_ids = json.dumps(self.entity_ids)
else:
entity_ids = None
if self.exchanges:
exchanges = json.dumps(self.exchanges)
else:
exchanges = None
if self.codes:
codes = json.dumps(self.codes)
else:
codes = None
trader_domain = business.Trader(
id=self.trader_name,
timestamp=self.start_timestamp,
trader_name=self.trader_name,
entity_type=entity_ids,
exchanges=exchanges,
codes=codes,
start_timestamp=self.start_timestamp,
end_timestamp=self.end_timestamp,
provider=self.provider,
level=self.level.value,
real_time=self.real_time,
kdata_use_begin_time=self.kdata_use_begin_time)
self.session.add(trader_domain)
self.session.commit()
def init_selectors(self, entity_ids, entity_schema, exchanges, codes,
start_timestamp, end_timestamp):
"""
implement this to init selectors
"""
raise NotImplementedError
def init_selectors_comparator(self):
"""
overwrite this to set selectors_comparator
"""
return LimitSelectorsComparator(self.selectors)
def add_trading_signal_listener(self, listener):
if listener not in self.trading_signal_listeners:
self.trading_signal_listeners.append(listener)
def remove_trading_signal_listener(self, listener):
if listener in self.trading_signal_listeners:
self.trading_signal_listeners.remove(listener)
def handle_targets_slot(self, timestamp):
"""
this function would be called in every cycle, you could overwrite it for your custom algorithm to select the
targets of different levels
the default implementation is selecting the targets in all levels
:param timestamp:
:type timestamp:
"""
long_selected = None
short_selected = None
for level in self.trading_level_desc:
targets = self.targets_slot.get_targets(level=level)
if targets:
long_targets = set(targets[0])
short_targets = set(targets[1])
if not long_selected:
long_selected = long_targets
else:
long_selected = long_selected & long_targets
if not short_selected:
short_selected = short_targets
else:
short_selected = short_selected & short_targets
self.logger.debug('timestamp:{},long_selected:{}'.format(
timestamp, long_selected))
self.logger.debug('timestamp:{},short_selected:{}'.format(
timestamp, short_selected))
self.send_trading_signals(timestamp=timestamp,
long_selected=long_selected,
short_selected=short_selected)
def send_trading_signals(self, timestamp, long_selected, short_selected):
# current position
account = self.account_service.latest_account
current_holdings = [
position['entity_id'] for position in account['positions']
if position['available_long'] > 0
]
if long_selected:
# just long the security not in the positions
longed = long_selected - set(current_holdings)
if longed:
position_pct = 1.0 / len(longed)
order_money = account['cash'] * position_pct
for entity_id in longed:
trading_signal = TradingSignal(
entity_id=entity_id,
the_timestamp=timestamp,
trading_signal_type=TradingSignalType.
trading_signal_open_long,
trading_level=self.level,
order_money=order_money)
for listener in self.trading_signal_listeners:
listener.on_trading_signal(trading_signal)
# just short the security in current_holdings and short_selected
if short_selected:
shorted = set(current_holdings) & short_selected
for entity_id in shorted:
trading_signal = TradingSignal(
entity_id=entity_id,
the_timestamp=timestamp,
trading_signal_type=TradingSignalType.
trading_signal_close_long,
position_pct=1.0,
trading_level=self.level)
for listener in self.trading_signal_listeners:
listener.on_trading_signal(trading_signal)
def on_finish(self):
# show the result
if self.draw_result:
import plotly.io as pio
pio.renderers.default = "browser"
reader = AccountReader(trader_names=[self.trader_name])
drawer = Drawer(main_data=NormalData(reader.data_df.copy()[
['trader_name', 'timestamp', 'all_value']],
category_field='trader_name'))
drawer.draw_line()
def run(self):
# iterate timestamp of the min level,e.g,9:30,9:35,9.40...for 5min level
# timestamp represents the timestamp in kdata
for timestamp in iterate_timestamps(
entity_type=self.entity_schema,
exchange=self.exchanges[0],
start_timestamp=self.start_timestamp,
end_timestamp=self.end_timestamp,
level=self.level):
if not is_trading_date(entity_type=self.entity_schema,
exchange=self.exchanges[0],
timestamp=timestamp):
continue
if self.real_time:
# all selector move on to handle the coming data
if self.kdata_use_begin_time:
real_end_timestamp = timestamp + pd.Timedelta(
seconds=self.level.to_second())
else:
real_end_timestamp = timestamp
waiting_seconds, _ = self.level.count_from_timestamp(
real_end_timestamp,
one_day_trading_minutes=get_one_day_trading_minutes(
entity_type=self.entity_schema))
# meaning the future kdata not ready yet,we could move on to check
if waiting_seconds and (waiting_seconds > 0):
# iterate the selector from min to max which in finished timestamp kdata
for level in self.trading_level_asc:
if (is_in_finished_timestamps(
entity_type=self.entity_schema,
exchange=self.exchanges[0],
timestamp=timestamp,
level=level)):
for selector in self.selectors:
if selector.level == level:
selector.move_on(timestamp,
self.kdata_use_begin_time,
timeout=waiting_seconds +
20)
# on_trading_open to setup the account
if self.level == IntervalLevel.LEVEL_1DAY or (
self.level != IntervalLevel.LEVEL_1DAY
and is_open_time(entity_type=self.entity_schema,
exchange=self.exchanges[0],
timestamp=timestamp)):
self.account_service.on_trading_open(timestamp)
# the time always move on by min level step and we could check all level targets in the slot
self.handle_targets_slot(timestamp=timestamp)
for level in self.trading_level_asc:
# in every cycle, all level selector do its job in its time
if (is_in_finished_timestamps(entity_type=self.entity_schema,
exchange=self.exchanges[0],
timestamp=timestamp,
level=level)):
long_targets, short_targets = self.selectors_comparator.make_decision(
timestamp=timestamp, trading_level=level)
self.targets_slot.input_targets(level, long_targets,
short_targets)
# on_trading_close to calculate date account
if self.level == IntervalLevel.LEVEL_1DAY or (
self.level != IntervalLevel.LEVEL_1DAY
and is_close_time(entity_type=self.entity_schema,
exchange=self.exchanges[0],
timestamp=timestamp)):
self.account_service.on_trading_close(timestamp)
self.on_finish()
class FixedCycleDataRecorder(TimeSeriesDataRecorder):
def __init__(self,
entity_type='stock',
exchanges=['sh', 'sz'],
entity_ids=None,
codes=None,
batch_size=10,
force_update=False,
sleeping_time=10,
default_size=2000,
one_shot=False,
fix_duplicate_way='add',
start_timestamp=None,
end_timestamp=None,
contain_unfinished_data=False,
level=IntervalLevel.LEVEL_1DAY,
kdata_use_begin_time=False,
close_hour=0,
close_minute=0,
one_day_trading_minutes=24 * 60) -> None:
super().__init__(entity_type, exchanges, entity_ids, codes, batch_size,
force_update, sleeping_time, default_size, one_shot,
fix_duplicate_way, start_timestamp, end_timestamp)
self.level = IntervalLevel(level)
# FIXME:should remove unfinished data when recording,always set it to False now
self.contain_unfinished_data = contain_unfinished_data
self.kdata_use_begin_time = kdata_use_begin_time
self.close_hour = close_hour
self.close_minute = close_minute
self.one_day_trading_minutes = one_day_trading_minutes
def get_latest_saved_record(self, entity):
order = eval('self.data_schema.{}.desc()'.format(
self.get_evaluated_time_field()))
return get_data(entity_id=entity.id,
provider=self.provider,
data_schema=self.data_schema,
order=order,
limit=1,
return_type='domain',
session=self.session,
level=self.level.value)
def evaluate_start_end_size_timestamps(self, entity):
# get latest record
latest_saved_record = self.get_latest_saved_record(entity=entity)
if latest_saved_record:
latest_timestamp = latest_saved_record[0].timestamp
else:
latest_timestamp = entity.timestamp
if not latest_timestamp:
return latest_timestamp, None, self.default_size, None
current_time = pd.Timestamp.now()
time_delta = current_time - latest_timestamp
if self.level == IntervalLevel.LEVEL_1DAY:
if is_same_date(current_time, latest_timestamp):
return latest_timestamp, None, 0, None
return latest_timestamp, None, time_delta.days + 1, None
# to today,check closing time
# 0,0 means never stop,e.g,coin
if (self.close_hour != 0
and self.close_minute != 0) and time_delta.days == 0:
if latest_timestamp.hour == self.close_hour and latest_timestamp.minute == self.close_minute:
return latest_timestamp, None, 0, None
if self.kdata_use_begin_time:
touching_timestamp = latest_timestamp + pd.Timedelta(
seconds=self.level.to_second())
else:
touching_timestamp = latest_timestamp
waiting_seconds, size = self.level.count_from_timestamp(
touching_timestamp,
one_day_trading_minutes=self.one_day_trading_minutes)
if not self.one_shot and waiting_seconds and (waiting_seconds > 30):
t = waiting_seconds / 2
self.logger.info(
'level:{},recorded_time:{},touching_timestamp:{},current_time:{},next_ok_time:{},just sleep:{} seconds'
.format(
self.level.value, latest_timestamp, touching_timestamp,
current_time, touching_timestamp +
pd.Timedelta(seconds=self.level.to_second()), t))
time.sleep(t)
return latest_timestamp, None, size, None
def persist(self, entity, domain_list):
if domain_list:
if domain_list[0].timestamp >= domain_list[-1].timestamp:
first_timestamp = domain_list[-1].timestamp
last_timestamp = domain_list[0].timestamp
else:
first_timestamp = domain_list[0].timestamp
last_timestamp = domain_list[-1].timestamp
self.logger.info(
"persist {} for entity_id:{},time interval:[{},{}]".format(
self.data_schema, entity.id, first_timestamp,
last_timestamp))
current_timestamp = now_pd_timestamp()
saving_datas = domain_list
# FIXME:remove this logic
# FIXME:should remove unfinished data when recording,always set it to False now
if is_same_date(current_timestamp,
last_timestamp) and self.contain_unfinished_data:
if current_timestamp.hour >= self.close_hour and current_timestamp.minute >= self.close_minute + 2:
# after the closing time of the day,we think the last data is finished
saving_datas = domain_list
else:
# ignore unfinished kdata
saving_datas = domain_list[:-1]
self.logger.info(
"ignore kdata for entity_id:{},level:{},timestamp:{},current_timestamp"
.format(entity.id, self.level, last_timestamp,
current_timestamp))
self.session.add_all(saving_datas)
self.session.commit()
