Changing Objects in a Shelve File : shelve « Database « Python Tutorial

1. Python Tutorial
2. Database
3. shelve

import shelve

newtimes = ["110pm", "220pm", "300pm", "445pm"]

db = shelve.open("shelved.dat", "w", writeback=1)

for k in db.keys():
    obj = db[k]
    print "%s: %s" % (k, obj)

flights = db['flights']
times = db['times']

flights['1145'] = "Dallas"
flights['1709'] = "Orlando"

db['times'] = newtimes

db['oldtimes'] = times

db.sync()

for k in db.keys():
    obj = db[k]
    print "%s: %s" % (k, obj)

db.close()