def subdivideTime(timeframe: Timeframe, period: Period) -> List[Timeframe]:
"""Subdivide the time between startTime and endTime given into
periods of length period and return tuples containing the start
and end time of the respective period"""
if period.isInfinite():
return [timeframe]
delta = period.delta
periods = []
today = timeframe.start
oneDay = timedelta(1)
while today <= timeframe.end:
afterOnePeriod = today + delta
periods.append(
Timeframe(today, afterOnePeriod - oneDay)
) # Shift the last date backward one day so we dont have overlapping dates.
today = afterOnePeriod
return periods
