Example

#! /usr/bin/env python

# python-cdb 0.32 "Example"

import cdb

print cdb.__version__

## cdbmake object

fn = "f.cdb"

maker = cdb.cdbmake(fn, fn + ".tmp");

maker.add('flim', 'flam') # +4,4:flim->flam
maker.add('map', 'hash') # +3,4:map->hash
maker.add('spam', 'eggs') # +4,4:spam->eggs
maker.add('map', 'dictionary') # +3,10:map->dictionary
maker.add('map', 'assoc. array') # +3,12:map->assoc. array

print "Added %d records to CDB %s (fd %d)" % \
 (maker.numentries, maker.fn, maker.fd)

maker.finish()

del(maker)

## cdb object

c = cdb.init(fn) # or init( file_obj.fileno() )

print len(c) # 5

print c['flim'] # 'flam'
print c.get('spam') # 'eggs'
print c.get('map', 0) # 'hash' -- a la cdbget utility
print c.get('map', 1) # 'dictionary'

r = c.get('map') # will print:
while r is not None: # 'hash'
 print r # 'dictionary'
 r = c.getnext() # 'assoc. array'

print c.keys() # ['flim', 'map', 'spam']

for k in c.keys(): # flim => ['flam']
 print k, '=>', c.getall(k) # map => ['hash', 'dictionary', 'assoc. array']
 # spam => ['eggs']

k = c.firstkey() # same as above
while k is not None:
 print k, "=>", c.getall(k)
 k = c.nextkey()


def cdbdump(cdb_o): # as the cdbdump utility
 r = cdb_o.each() # r = ('key', 'val') or None
 while r:
 print "+%d,%d:%s->%s" % (
 len(r[0]), len(r[1]),
 r[0], r[1] )
 r = cdb_o.each()
 print


cdbdump(c)