[Tutor] index list out of range

[pythonhack@yahoo.com]

hey guys-

i'm writing a small address book program, and i think there's a
problem with the way the lists are structured and manipulated.  i'm
getting a "list index out of range" error when i try to exit the
program (using the closeApp function).

help!

here's the code...

#!/usr/bin/env python

import sys, string, os
from time import sleep

newmaster = []
master = []
yeslist = ['y', 'Y', 'YES', 'yes']
nolist = ['n', 'N', 'NO', 'no']

##################################
## FUNCTIONS
##################################

#this function runs at the beginning of the script
#reads entire master address book into memory

def startApp():
    print "Loading address book..."
    sleep(3)
    print " "
    result = open('address.book', 'r')
    for line in result.readlines():
        master.append(line.split())
    print "Address book loaded successfully."
    print " "
    return result
    
# print function returns formatted output

def printEntry(entry):
    print entry[0], entry[1]
    print entry[2]
    print entry[3]
    print entry[4]
    if len(entry[5]) > 0:
        print entry[5]
    else:
        print "<no comment>"
    mainMenu()

#the main menu

def mainMenu():
    quit = 1
    while quit == 1:
        print "What would you like to do? - Please select  "
        print "1. Add an entry"
        print "2. Display an entry"
        print "3. Delete an entry"
        print "4. Edit an entry"
        print "5. Exit the program"
        x = int(raw_input())
        if x == 1:
            addEntry()
        elif x == 2:
            findEntry()
        elif x == 3:
            deleteEntry()
        elif x == 4:
            editEntry()
        elif x == 5:
            closeApp()
        else:
            print "Invalid Selection."
            print " "
            quit == 1
            
            
#adds an entry to the address book

def addEntry():
    newentry = []
    print " "
    print "You have chosen to add an entry to the address book."
    print " "
    lastname = raw_input("Last Name: ")
    firstname = raw_input("First Name: ")
    address1 = raw_input("Street Name and Number: ")
    address2 = raw_input("City, State, Zip: ")
    phone = raw_input("Phone Number: ")
    comments = raw_input("Comments (if none, juts hit enter): ")
    print " "
    print "This is what you entered: "
    print " "
    print lastname,',', firstname
    print address1
    print address2
    print phone
    if len(comments) >= 1:
        print comments
    else:
        print "<no comment>"
    print " "
    correct = raw_input("is this correct?(y/n): ")
    if correct == 'y':
        print "adding new entry..."
        newentry.append(lastname)
        newentry.append(firstname)
        newentry.append(address1)
        newentry.append(address2)
        newentry.append(phone)
        newentry.append(comments)
        master.append(newentry)
        newentry = []
        print "new entry added successfully"
        mainMenu()
    elif correct == 'n':
        print "Please re-enter information..."
        addEntry()
    else:
        print "Invalid response."
        print " "
        mainMenu()

# this searches for an entry in the address book and returns matches

def findEntry():
    quit = 1
    while quit == 1:
        print "Enter Last Name (or just hit enter to return to Main Menu): "
        name = raw_input()
        if len(name) > 0:
            for entry in master:
                if entry[0] == name:
                    printEntry(entry)
                else:
                    print "no matches"
        else:
            mainMenu()
        
#this searches for an entry to delete and prompts user for confirmation

def deleteEntry():
    print "Enter Last Name (or just hit enter to return to Main Menu): "
    name = raw_input()
    quit = 1
    if len(name) > 0:
        for entry in master:
            if entry[0] == name:
                printEntry(entry)
                while quit == 1:
                    x = raw_input("Delete? y or n: ")
                    if x in yeslist:
                        entry = []
                        print "Deleted"
                        mainMenu()
                    elif x in nolist:
                        print "entry not deleted"
                        mainMenu()
                    else:
                        print "invalid entry, try again"
                        quit == 1
            else:
                print "no matches"
                mainMenu()
    else:
        mainMenu()

# This allows an entry to be pulled from file and edited, then written (using addEntry function
# from earlier

def editEntry():
    for entry in master:
        if entry[0] == lastname:
            printEntry(entry)
            x = raw_input("Edit this entry? y or n: ")
            if x in yeslist:
                entry = []
                addEntry()
            else:
                mainMenu()
                
# This is run when the program exits, writes all entries back to text file and closes text file

def closeApp():
    print "Saving address book changes..."
    newmaster = open('address.book', 'w')
    for list in master:
        print len(list)
        newmaster.write(list[0]),
        newmaster.write(" ")
        newmaster.write(list[1]),
        newmaster.write(" ")
        newmaster.write(list[2]),
        newmaster.write(" ")
        newmaster.write(list[3]),
        newmaster.write(" ")
        newmaster.write(list[4]),
        newmaster.write(" ")
    print "closing address.book..."
    newmaster.close
    sleep(3)
    print "Goodbye..."
    sys.exit()
                
######################################
## MAIN CODE
######################################

print "Welcome to PyAddressbook!"
print " "
startApp()
mainMenu()

thanks!!

brett


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