otp.Source.time_filter#
- Source.time_filter(discard_on_match=False, start_time=0, end_time=0, day_patterns='', timezone=utils.default, end_time_tick_matches=False, inplace=False)#
Filters ticks by time.
- Parameters
discard_on_match (bool, optional) – If
True
, then ticks that match the filter will be discarded. Otherwise, only ticks that match the filter will be passed.start_time (str or int or datetime.time, optional) – Start time of the filter, string must be in the format
HHMMSSmmm
. Default value is 0.end_time (str or int or datetime.time, optional) – End time of the filter, string must be in the format
HHMMSSmmm
. To filter ticks for an entire day, this parameter should be set to 240000000. Default value is 0.Pattern or list of patterns that determines days for which the ticks can be propagated. A tick can be propagated if its date matches one or more of the patterns. Three supported pattern formats are:
month.week.weekdays
, 0 month means any month, 0 week means any week,6 week means the last week of the month for a given weekday(s), weekdays are digits for each day, 0 being Sunday.
month/day
, 0 month means any month.year/month/day
, 0 year means any year, 0 month means any month.
timezone (str, optional) – Timezone of the filter. Default value is
configuration.config.tz
or timezone set in the parameter ofonetick.py.run()
.end_time_tick_matches (bool, optional) – If
True
, then the end time is inclusive. Otherwise, the end time is exclusive.inplace (bool, optional) – The flag controls whether operation should be applied inplace or not. If
inplace=True
, then it returns nothing. Otherwise method returns a new modified object. Default value isFalse
.self (Source) –
- Returns
Returns
None
ifinplace=True
.- Return type
Source
orNone
Examples
>>> data = otp.DataSource(db='NYSE_TAQ', tick_type='TRD', symbols='AAPL') >>> data = data.time_filter(start_time='000000001', end_time='000000003') >>> otp.run(data, start=otp.dt(2022, 3, 1), end=otp.dt(2022, 3, 2)) Time PRICE SIZE 0 2022-03-01 00:00:00.001 1.4 10 1 2022-03-01 00:00:00.002 1.4 50
See also
TIME_FILTER OneTick event processor