#!/usr/bin/env python
import cgi
import cgitb; cgitb.enable() # troubleshooting in the browser.
import datetime
import random
print "Content-type: text/html"
print
form_data = cgi.FieldStorage()
number1 = int(form_data.getvalue("number1", 0))
number2 = int(form_data.getvalue("number2", 0))
number3 = int(form_data.getvalue("number3", 0))
prior_addition = form_data.getvalue("prior_addition", "")
username = form_data.getvalue("username", "")
if username == "":
username = str(datetime.datetime.now()) + ":" + str(random.randint(0,1000))
myvalue = number1 + number2 + number3
current_addition = " + ".join( map(str, [number1, number2, number3]) ) + " = " + str(myvalue)
if number1 != 0 or number2 != 0 or number3 != 0:
prior_addition += current_addition + "
\n"
f = file(username + ".txt", "a")
f.write(current_addition + "\n")
f.close()
print """
My adder
Results
%s
""" % (prior_addition, prior_addition, username)