bundle_utils.py 文件源码

def get_periods_range(start_dt, end_dt, freq):
    """
    Get a date range for the specified parameters.

    Parameters
    ----------
    start_dt: datetime
    end_dt: datetime
    freq: str

    Returns
    -------
    DateTimeIndex

    """
    if freq == 'minute':
        freq = 'T'

    elif freq == 'daily':
        freq = 'D'

    return pd.date_range(start_dt, end_dt, freq=freq)