formatting the datetime in an instrument Parameters ---------- inst_df: pd.DataFrame inst_df.columns = [self.SYMBOL_FIELD_NAME, self.START_DATE_FIELD, self.END_DATE_FIELD] Returns -------
(self, inst_df: pd.DataFrame)
| 118 | |
| 119 | @abc.abstractmethod |
| 120 | def format_datetime(self, inst_df: pd.DataFrame) -> pd.DataFrame: |
| 121 | """formatting the datetime in an instrument |
| 122 | |
| 123 | Parameters |
| 124 | ---------- |
| 125 | inst_df: pd.DataFrame |
| 126 | inst_df.columns = [self.SYMBOL_FIELD_NAME, self.START_DATE_FIELD, self.END_DATE_FIELD] |
| 127 | |
| 128 | Returns |
| 129 | ------- |
| 130 | |
| 131 | """ |
| 132 | raise NotImplementedError("rewrite format_datetime") |
| 133 | |
| 134 | def save_new_companies(self): |
| 135 | """save new companies |