python:get_month_regrex

get_all_month_date.py

from dateutil import rrule
from datetime import datetime
import re
def get_dates():
        dates = []
        dates.append({"start":'201101010000',"end":'201101012359'})
        return dates;

def beween_day():
        a = '20110101'
        b = '20111231'
        date_a = []
        for dt in rrule.rrule(rrule.DAILY,
                              dtstart=datetime.strptime(a, '%Y%m%d'),
                              until=datetime.strptime(b, '%Y%m%d')):
                day = dt.strftime('%Y%m%d')
                date_s = {'start':day+'0000','end':day+'2359'}
                date_a.append(date_s)
        return date_a

if __name__ == '__main__' :
        # m = re.search('(?<=2011).*(?=\d{2}0000)', '201112290000')
        # print m.group(0)
        month = 1
        months = []
        months_all = []
        for d in beween_day():
                m = re.search('(?<=2011).*(?=\d{6}$)', d['end'])
                m_tmp = m.group(0)
                m = re.search('.*(?=\d{4}$)', d['end'])
                if int(month) == int(m_tmp):
                    months.append(m.group(0))
                else:
                    month = m_tmp
                    months = []
                    months.append(m.group(0))
                    months_all.append(months)
        months_all.append(months)
        print (len(months_all))
        print (months_all)