def __init__(self,
connection,
event_type: str,
date_time: Union[str, datetime],
exact_format: bool = True):
"""
Parameters
----------
connection: dxfeed.core.DXFeedPy.ConnectionClass
Core class written in cython, that handle connection related details on the low level
event_type: str
One of possible event types: 'Trade', 'Quote', 'Summary', 'Profile', 'Order', 'TimeAndSale', 'Candle',
'TradeETH', 'SpreadOrder', 'Greeks', 'TheoPrice', 'Underlying', 'Series', 'Configuration' or ''
date_time: str or datetime.datetime
If present timed subscription will be created (conflated stream). For sting date format is following:
%Y-%m-%d %H:%M:%S.%f. If None - stream subscription will be created (non-conflated). Default - None.
exact_format: bool
If False no warning will be thrown in case of incomplete date_time parameter. Default - True
"""
self.__event_type = event_type
if date_time is None:
self.__sub = dxp.dxf_create_subscription(cc=connection,
event_type=event_type)
else:
date_time = cu.handle_datetime(date_time,
fmt='%Y-%m-%d %H:%M:%S.%f',
exact_format=exact_format)
timestamp = int(date_time.timestamp() * 1000)
self.__sub = dxp.dxf_create_subscription_timed(
cc=connection, event_type=event_type, time=timestamp)
def test_subscription_fail_on_incorrect_type(connection):
dxc.dxf_create_subscription_timed(cc=connection, event_type='TradeQuote', time=0)
def test_subscription_timed_on_correct_types(connection, sub_type):
sub = dxc.dxf_create_subscription_timed(cc=connection, event_type=sub_type, time=0)
act_sub_type = dxc.dxf_get_subscription_event_types(sc=sub)
dxc.dxf_close_subscription(sub)
assert act_sub_type == sub_type
