gistfile1.txt

#!/usr/bin/python

import os
import os.path
import ovh
import pprint
import shutil

client = ovh.Client()

backup_base = '/path/to/backup/zones/'

if not os.path.isdir(backup_base):
  os.mkdir(backup_base)

domains = client.get("/domain/zone")

for domain in domains:
  print domain
  if '..' in domain:
    print "WTF - double dot in domain name"
    sys.exit(0)
  backup_path = os.path.join(backup_base, domain)

  export = client.get("/domain/zone/%s/export" % domain)

  f = open(backup_path, "w+")
  f.write(export)
  f.close()