Method save_instruments

scripts/dump_bin.py:214–225

(self, instruments_data: Union[list, pd.DataFrame])

        np.savetxt(calendars_path, result_calendars_list, fmt="%s", encoding="utf-8")

    def save_instruments(self, instruments_data: Union[list, pd.DataFrame]):
        self._instruments_dir.mkdir(parents=True, exist_ok=True)
        instruments_path = str(self._instruments_dir.joinpath(self.INSTRUMENTS_FILE_NAME).resolve())
        if isinstance(instruments_data, pd.DataFrame):
            _df_fields = [self.symbol_field_name, self.INSTRUMENTS_START_FIELD, self.INSTRUMENTS_END_FIELD]
            instruments_data = instruments_data.loc[:, _df_fields]
            instruments_data[self.symbol_field_name] = instruments_data[self.symbol_field_name].apply(
                lambda x: fname_to_code(x.lower()).upper()
            )
            instruments_data.to_csv(instruments_path, header=False, sep=self.INSTRUMENTS_SEP, index=False)
        else:
            np.savetxt(instruments_path, instruments_data, fmt="%s", encoding="utf-8")

    def data_merge_calendar(self, df: pd.DataFrame, calendars_list: List[pd.Timestamp]) -> pd.DataFrame:
        # calendars