#!/usr/bin/python2.5
'''Generate a class calendar using duration of semester, the days of the week a class meets, and holidays. Also indicates tenative due-dates for assignments.'''

from dateutil.rrule import *
from dateutil.parser import *

sem_start = '20080902'
sem_end =	'20081211'
holidays = [parse(hday) for hday in ('081013', '081014', '081127', '081128')]

assgn_d = {}
class_num = 1

# class number and the assignment due
cm_assignments = '''4 = Conflict, its definition, and types
8 = Socio-psycho dynamics (film analysis)
10 = Conflict process and behaviors
18 = Apology and reconciliation
25 = Cross-cultural, intra-cultural or gender
28 = Take-home final'''

mts_assignments = '''11 = Midterm: Failed Predictions
24 = Final'''

#assgns = cm_assignments.split('\n')
#days = MO,WE
assgns = mts_assignments.split('\n')
days = TU,TH


for assgn in assgns:
	assgn_class,assgn_title = assgn.split(' = ')
	assgn_d[assgn_class] = assgn_title

meetings = list(rrule(WEEKLY, wkst=SU, byweekday=(days),
	dtstart=parse(sem_start), until=parse(sem_end)))
for meeting in meetings:
	if meeting not in holidays:
		print str(class_num) + ' ' + meeting.strftime("%b %d %a"),
		if str(class_num) in assgn_d.keys():
			print "Due: %s" % assgn_d[str(class_num)],
		class_num += 1
	else:
		print meeting.strftime("%b %d %a") + " NO CLASS",
	print