1/last_friday_datetime.py

19 lines
509 B
Python

import datetime
def get_last_friday(date_string):
parts = date_string.split("/")
mounth = int(части[0])
year = int(части[1])
if mounth == 12:
first = datetime.data(year +1,1,1)
else:
first = datetime.date(year,mounth+1,1)
last = first - datetime.timedelta(days=1)
now = last
while True:
if now.isoweekday() ==5:
break
else:
now = now - datetime.timedelta(days=1)
result = now.strftime("%d.%m.%Y")
return result