timedelta_to_isoformat#

openstef_core.utils.timedelta_to_isoformat(td: timedelta) → str[source]#

Convert timedelta to ISO 8601 string format.

Parameters:: td (timedelta) – The timedelta object to convert.
Returns:: ISO 8601 duration string representation (e.g., ‘PT15M’ for 15 minutes).
Return type:: str

Example

Convert a 15-minute interval:

>>> from datetime import timedelta
>>> td = timedelta(minutes=15)
>>> timedelta_to_isoformat(td)
'PT15M'