generic_shiftdates_with_emailer.py

import datetime
from emailer_live import mailer
from monthly_tally import EOM
''' calculates shift pattern of 6 nights 3 off for a set period, along with the shidts and hours.worked in every month for that period '''
class Shift_Pattern_Dates:
    def pattern_generator_2(self, sdate, edate, ons, offs):
        """ons who the shifts scheduled amd offs the immediate off days for the corresponding shift in ons """
        result =''
        new_month = False
        startdate = datetime.datetime.strptime(sdate, '%d/%m/%Y')
        enddate = datetime.datetime.strptime(edate,'%d/%m/%Y' )
        monthly_tally = 0
        oneday = datetime.timedelta(days = 1)
        current_month = startdate.month
        while startdate <= enddate:
            for i in range(0, 6):
                current_month, startdate, result, monthly_tally = EOM.tally(current_month, startdate, new_month, monthly_tally)
                mnth_name = startdate.strftime('%B')
                if new_month:
                    result += '='*40+'\n'
                    result += mnth_name + ':  Shifts = ' + str(monthly_tally)+ ' Hours Total = ' + str(monthly_tally * 12) +'\n' +'='*40+'\n'
                monthly_tally = monthly_tally + 1
                result += startdate.strftime('%A, %B %d, %Y') + ' - On' +'\n'
                startdate = startdate + oneday
          #skip current day and following 2 days
            for j in range(0, 3):
                current_month, startdate, result, monthly_tally = EOM.tally(current_month, startdate, new_month, monthly_tally)
                mnth_name = startdate.strftime('%B')
                if new_month:
                    result += '='*40+'\n'
                    result += mnth_name + ':  Shifts = ' + str(monthly_tally)+ ' Hours Total = ' + str(monthly_tally * 12) +'\n' +'='*40+'\n'
                result += startdate.strftime('%A, %B %d, %Y') +  ' - Off' + '\n'
                startdate = startdate + oneday
        return result + summary

c = Shift_Pattern_Dates()
e = mailer()
# startdate, enddate, days, off, nights, off
shifts_and_tally = c.pattern_generator_2('27/01/2018', '31/12/2018', [3,0],[3,3])
print(shifts_and_tally)
e.smtp_mailer(shifts_and_tally, 'Rota For Period: 27/01/2018 - 31/12/2018', 'dsthecheduler', ['denis.seale@gmail.com'])