def _update_override(self, override_type: str, key: str,
new_override_object: Override):
if new_override_object.is_no_override():
self._update_override_to_no_override(override_type, key,
new_override_object)
else:
self._update_other_type_of_override(override_type, key,
new_override_object)
def get_overide_object_from_user():
invalid_input = True
while invalid_input:
print(
"Overide options are: A number between 0.0 and 1.0 that we multiply the natural position by,"
)
print(" or one of the following special values %s" % override_dict)
value = input("Your value?")
value = float(value)
try:
override_object = Override.from_numeric_value(value)
return override_object
except Exception as e:
print(e)
"""
An override is something that affects our normal trading behaviour
"""
from syslogdiag.log import logtoscreen
from sysobjects.production.override import Override
from sysobjects.production.tradeable_object import instrumentStrategy
from sysdata.base_data import baseData
DEFAULT_OVERRIDE = Override(1.0)
strategy_overrides = "strategies"
instrument_overrides = "instruments"
strategy_instruments_overrides = "strategies_instruments"
class overrideData(baseData):
def __init__(self, log=logtoscreen("Overrides")):
super().__init__(log=log)
def default_override(self):
return DEFAULT_OVERRIDE
def get_cumulative_override_for_instrument_strategy(
self, instrument_strategy: instrumentStrategy) -> Override:
strategy_override = self._get_override_for_strategy(
instrument_strategy.strategy_name)
instrument_override = self._get_override_for_instrument(
instrument_strategy.instrument_code)
strategy_instrument_override = self._get_override_for_instrument_strategy(
instrument_strategy)
def _from_override_to_dict(override: Override) -> dict:
override_as_value = override.as_numeric_value()
override_as_dict = {OVERRIDE_VALUE: override_as_value}
return override_as_dict
def _from_dict_to_override(result_dict: dict) -> Override:
value = result_dict[OVERRIDE_VALUE]
override = Override.from_numeric_value(value)
return override
