Luma is a python (not the snake) ldap browser.
Its mentioned in the debian handbook of which i have an old copy of on disk.
It is not in debian testing or wheezy which as i write this is debian stable. It went bye bye in squeeze.
apt-get install luma Reading package lists... Done Building dependency tree Reading state information... Done Package luma is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another sourceE: Package 'luma' has no installation candidate