关于日活,周活,月活操作.

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import datetime

d = datetime.datetime.now()

def day_get(d):
oneday = datetime.timedelta(days=1)
day = d - oneday
date_from = datetime.datetime(day.year, day.month, day.day, 0, 0, 0)
date_to = datetime.datetime(day.year, day.month, day.day, 23, 59, 59)
print '---'.join([str(date_from), str(date_to)])

def week_get(d):
dayscount = datetime.timedelta(days=d.isoweekday())
dayto = d - dayscount
sixdays = datetime.timedelta(days=6)
dayfrom = dayto - sixdays
date_from = datetime.datetime(dayfrom.year, dayfrom.month, dayfrom.day, 0, 0, 0)
date_to = datetime.datetime(dayto.year, dayto.month, dayto.day, 23, 59, 59)
print '---'.join([str(date_from), str(date_to)])

def month_get(d):
dayscount = datetime.timedelta(days=d.day)
dayto = d - dayscount
date_from = datetime.datetime(dayto.year, dayto.month, 1, 0, 0, 0)
date_to = datetime.datetime(dayto.year, dayto.month, dayto.day, 23, 59, 59)
print '---'.join([str(date_from), str(date_to)])



print(day_get(d))
print(week_get(d))
print(month_get(d))