Giorni lavorativi

import datetime
from dateutil import rrule
alpha=datetime.date(2004, 01, 01) # change to accept input
omega=datetime.date(2004, 02, 01) # change to accept input
dates=rrule.rruleset() # create an rrule.rruleset instance
dates.rrule(rrule.rrule(rrule.FREQ_DAILY, dtstart=alpha, until=omega))
             # this set is INCLUSIVE of alpha and omega
dates.exrule(rrule.rrule(rrule.FREQ_DAILY,
                        byweekday=(rrule.SA, rrule.SU),
                        dtstart=alpha))
# here's where we exclude the weekend dates
print len(list(dates)) # there's probably a faster way to handle this