# from dateutil import parser
# import os


# def extract_from_timestamp(timestamp, time_part):
#     """
#     Extract the year, month, day, hour, minute, or second from a Shipyard generated timestamp.
#     """
#     datetime_timestamp = parser.parse(timestamp)
#     if time_part in [
#         'year',
#         'YEAR',
#         'Year',
#         'Y',
#         'YY',
#         'YYYY',
#         'y',
#         'yy',
#         'yyyy'
#     ]:
#         time_value = datetime_timestamp.year
#     if time_part in ['month', 'MONTH', 'Month', 'M', 'MM']:
#         time_value = datetime_timestamp.month
#     if time_part in ['day', 'DAY', 'Day', 'D', 'DD', 'd', 'dd']:
#         time_value = datetime_timestamp.day
#     if time_part in [
#         'hour',
#         'HOUR',
#         'Hour',
#         'H',
#         'HH',
#         'h',
#         'hh',
#         'hr',
#         'HR',
#         'Hr'
#     ]:
#         time_value = datetime_timestamp.hour
#     if time_part in [
#         'minute',
#         'MINUTE',
#         'Minute',
#         'm',
#         'mm',
#         'min',
#         'MIN',
#         'Min'
#     ]:
#         time_value = datetime_timestamp.minute
#     if time_part in [
#         'second',
#         'SECOND',
#         'Second',
#         'S',
#         'SS',
#         's',
#         'ss',
#         'sec',
#         'SEC',
#         'Sec'
#     ]:
#         time_value = datetime_timestamp.second
#     return str(time_value)


# def set_extra_time_environment_variables():
#     """
#     Expand the existing set of Shipyard timestamp environment variables to include
#     year, month, day, hour, minute, and second.
#     """
#     shipyard_elements = ['VESSEL', 'FLEET']
#     time_types = ['START', 'SCHEDULED']

#     for element in shipyard_elements:
#         for time_type in time_types:
#             datetime_object = parser.parse(
#                 os.environ.get(f'SHIPYARD_{element}_{time_type}_TIME'))
#             os.environ[f'SHIPYARD_{element}_{time_type}_TIME_YEAR'] = str(
#                 datetime_object.year)
#             os.environ[f'SHIPYARD_{element}_{time_type}_TIME_MONTH'] = str(
#                 datetime_object.month)
#             os.environ[f'SHIPYARD_{element}_{time_type}_TIME_DAY'] = str(
#                 datetime_object.day)
#             os.environ[f'SHIPYARD_{element}_{time_type}_TIME_HOUR'] = str(
#                 datetime_object.hour)
#             os.environ[f'SHIPYARD_{element}_{time_type}_TIME_MINUTE'] = str(
#                 datetime_object.minute)
#             os.environ[f'SHIPYARD_{element}_{time_type}_TIME_SECOND'] = str(
#                 datetime_object.second)
