Uvic - CSC 326 Algorithms - check for posted assignments and send them by email.

check4assignments.py

import commands
import re

#I wrote this script to check whether our Uvic CSC 326 assignments are posted.
#That's because our instructor can't be bothered to let us know when he posts them.
#I suggest using cron to schedule it every 15 mins on your server

email = "email@domain.com"

def do_mailout(email, filename, url):
    cmd = "cat "+ filename + " | mail -s '"+url+"' " + email  
    print commands.getstatusoutput(cmd)


# urls are of the form 'http://csc.uvic.ca/courses/csc326/assign/hw[x]_F2012.html"
root = "http://csc.uvic.ca/courses/csc326/assign/hw"
# and if he hasn't posted it we get a 302 return code
notthere = re.compile("302 Found")

for i in range(1,7):
    path = root + str(i) + "_F2012.html"
    filename = "assignment" +str(i) + ".html"

# we first check to see whether we already have this assignment by reading the file, 
# checking for a 302 error code.
# if we don't find one, we have the assignment, so move on to the next one.

    findit = "cat " + filename
    haveit = commands.getstatusoutput(findit)
    is302 = notthere.search(haveit[1])
    if ((haveit[0] ==0) & (not is302)):
        continue
    else:
        query = "curl " + path
        response = commands.getstatusoutput(query)
        is302 = notthere.search(response[1])
        if (not is302):
           print "Curling " + filename
           curlit = query + " > " + filename
           gotit = commands.getstatusoutput(curlit)
           if ((gotit[0]==0)):
               #then email it!  
               do_mailout(email, filename, path)
        else: 
           pass