Iterating through historical data until today

daterange.py

import datetime

# Set the config for the date iterator
start_date = datetime.datetime(2018, 9, 10)
end_date = datetime.datetime(2018, 11, 20)
d = start_date
delta = datetime.timedelta(days=1)

# Iterate from start date, adding delta with every iteration
while d <= end_date:
  print('Doing something for date %s' % d)
  d += delta