def load_tick_data(
spread: SpreadData,
start: datetime,
end: datetime
):
""""""
return database_manager.load_tick_data(
spread.name, Exchange.LOCAL, start, end
)
def load_tick_data(
symbol: str,
exchange: Exchange,
start: datetime,
end: datetime
):
""""""
return database_manager.load_tick_data(
symbol, exchange, start, end
)
def load_tick_data(symbol: str,
exchange: Exchange,
start: datetime,
end: datetime,
collection_name: str = None):
""""""
return database_manager.load_tick_data(symbol,
exchange,
start,
end,
collection_name=collection_name)
def load_tick(self, vt_symbol: str, days: int,
callback: Callable[[TickData], None]):
""""""
symbol, exchange = extract_vt_symbol(vt_symbol)
end = datetime.now()
start = end - timedelta(days)
ticks = database_manager.load_tick_data(
symbol=symbol,
exchange=exchange,
start=start,
end=end,
)
for tick in ticks:
callback(tick)
