binary stumble

This script takes a csv file, output from the mood reporting Android app that Peter wrote us and inserts the records into a database

#! usr/bin/env python
#-*- coding:utf-8 -*-
#
# Daniel Belasco Rogers 2011 Wed 16 Feb 2011 23:40:35 CET
# An attempt to parse Peter's mood track log file
#
# Takes a user (dan or soph), path to the text file and a path to a
# database

import csv
import sys
import sqlite3
from optparse import OptionParser

def getUser(username):
    """ check whether user supplied is valid
    In future, consider making this populate from database
    """
    username = username.lower()
    userDict = {'dan': 1, 'soph': 2}
    try:
        userid = userDict[username]
    except(KeyError):
        print "user '%s' not in database" % username
        sys.exit(2)
    return int(userid), username

def updateDB(moodReader, dbpath, userid):
    """ 
    iterate through the mood reports and execute insert sql on each
    record
    """
    connect = sqlite3.connect(dbpath)
    recordnum = 0
    for row in moodReader:
        # skip header
        if row[1] == 'happiness':
            continue
        recordnum += 1
        print (row)
        try:
            connect.execute("insert into mood (created, happiness, tiredness, hopeful, stress, secure, anxiety, productive, loved, note, user) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 1)", row)
        except sqlite3.IntegrityError:
            print "\n*** Message already entered - skipping ***\n"
            recordnum -=1
        connect.commit()
    return recordnum


def main():
    """ 
    
    """
    usage = "usage: %prog user (dan, soph) /path/to/csv/file.csv, /path/to/database.sqlite"
    parser = OptionParser(usage, version="1.0")
    (options, args) = parser.parse_args()
    if len(args) != 3:
        parser.error("Specify a user, csv file and a database file\n")
    userid, username = getUser(args[0])
    filename = args[1]
    dbpath = args[2]
    f = open(filename,'r')
    moodReader = csv.reader(f, skipinitialspace=True)   
    recordnum = updateDB(moodReader, dbpath, userid)
    print 'Updated %d records to database\nScript Ends sucessfully - Goodbye\n' % recordnum
    f.close()
    return

if __name__ == '__main__':
    sys.exit(main())