In [1]:

    

import dbm

with dbm.open('/tmp/example.db', 'n') as db:
    db['key'] = 'value'
    db['today'] = 'Sunday'
    db['author'] = 'Doug'


    

In [2]:

    

import dbm

print(dbm.whichdb('/tmp/example.db'))


    

    




dbm.ndbm

In [3]:

    

import dbm

with dbm.open('/tmp/example.db', 'r') as db:
    print('keys():', db.keys())
    for k in db.keys():
        print('iterating:', k, db[k])
    print('db["author"] =', db['author'])


    

    




keys(): [b'key', b'today', b'author']
iterating: b'key' b'value'
iterating: b'today' b'Sunday'
iterating: b'author' b'Doug'
db["author"] = b'Doug'

In [4]:

    

import dbm

with dbm.open('/tmp/example.db', 'w') as db:
    try:
        db[1] = 'one'
    except TypeError as err:
        print(err)


    

    




dbm mappings have bytes or string keys only

In [5]:

    

import dbm

with dbm.open('/tmp/example.db', 'w') as db:
    try:
        db['one'] = 1
    except TypeError as err:
        print(err)


    

    




dbm mappings have byte or string elements only