rob-murray

SELECT sub.ip FROM
(SELECT set_masklen(((generate_series(1,
(2 ^ (32 - masklen('10.10.100.0/24'::cidr)))::integer - 2) +
'10.10.100.0/24'::cidr)::inet), 32) as ip) AS sub
WHERE sub.ip NOT IN
(SELECT ip_address from ip_table)
AND sub.ip > set_masklen('10.10.100.0/24', 32)+10
AND sub.ip < set_masklen(broadcast('10.10.100.0/24')::inet, 32)-5;

aaugustin

from django.contrib import admin


class ReadOnlyModelAdmin(admin.ModelAdmin):
    """
    ModelAdmin class that prevents modifications through the admin.

    The changelist and the detail view work, but a 403 is returned
    if one actually tries to edit an object.