# Copyright 2016-present CERN – European Organization for Nuclear Research
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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# http://www.apache.org/licenses/LICENSE-2.0
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from qf_lib.backtesting.contract.contract_to_ticker_conversion.base import ContractTickerMapper
from qf_lib.common.tickers.tickers import Ticker
from qf_lib.containers.futures.future_tickers.future_ticker import FutureTicker
[docs]class SimulatedContractTickerMapper(ContractTickerMapper):
""" Simulated contract to ticker mapper, which should be used for backtesting purposes. It is a simplified mapper,
where both Broker and DataProvider use exactly the same data objects. """
[docs] def contract_to_ticker(self, contract: Ticker) -> Ticker:
""" Maps Contract objects into Tickers. """
ticker = contract
return ticker
[docs] def ticker_to_contract(self, ticker: Ticker) -> Ticker:
""" Maps contract parameters to corresponding ticker. """
contract = ticker.get_current_specific_ticker() if isinstance(ticker, FutureTicker) else ticker
return contract