[Create Data Directory with Meaningful Name] #directory #python #pendulum

create_data_directory.py

import os

import pendulum

def create_data_directory(
        data_kind,  # 'VolCal'
        data_source_id,
        timezone,
        parent_directory
):
    """
    Create a data directory with a meaningful name. Name contains a timestamp 
    that corresponds to when the directory was made. Directory creation might be immediately followed by
    writing instrumentation data to the directory. 

    """

    start_datetime = pendulum.now(tz=timezone)
    write_subdirectory = '{data_kind}_{data_source_id}_{year}-{month:02d}-{day:02d}' \
                         '_{hour:02d}{minute:02d}{second:02d}{offset}'.format(
        data_kind=data_kind,
        data_source_id=data_source_id,
        year=start_datetime.year,
        month=start_datetime.month,
        day=start_datetime.day,
        hour=start_datetime.hour,
        minute=start_datetime.minute,
        second=start_datetime.second,
        offset=start_datetime.offset_hours,
    )
    data_dir = os.path.join(parent_directory, write_subdirectory)

    try:
        os.mkdir(data_dir)
    except FileExistsError:
        pass

    return data_dir