def _get_conflicting_appointment(calendar, X):
"""
Assuming a conflicting appointment, return the Appointment object
conflicting with X in calendar.
"""
#for each appointment in the calendar
for name, appointment in calendar.iteritems():
#if any appointment conflicts with new appointment X, they conflict
if is_appointments_conflicting(appointment, X):
return appointment
raise KeyError(str(X) + " does not conflict with any Appointment.")
def _is_calendar_conflicting(self, X, other_calendar=None):
"""
Determine if Appointment object X conflicts with some Appointment
already in the calendar.
"""
if other_calendar:
calendar = other_calendar
else:
calendar = self._calendar
#for each appointment in the calendar
for name, appointment in calendar.iteritems():
#if any appointment conflicts with new appointment X, they conflict
if is_appointments_conflicting(appointment, X):
return True
return False
