Creates or re-creates this database

def create(args):
  """Creates or re-creates this database"""

  from bob.db.utils import session_try_nolock

  dbfile = args.files[0]

  if args.recreate:
    if args.verbose and os.path.exists(dbfile):
      print('unlinking %s...' % dbfile)
    if os.path.exists(dbfile): os.unlink(dbfile)

  if not os.path.exists(os.path.dirname(dbfile)):
    os.makedirs(os.path.dirname(dbfile))

  # the real work...
  create_tables(args)
  s = session_try_nolock(args.type, dbfile, echo=(args.verbose > 2))
  add_clients(s, args.verbose)
  add_files(s, args.imagedir, args.verbose)
  add_protocols(s, args.verbose)
  s.commit()
  s.close()