[server] remove not-so-useful entity_name and entity_attr functions, introduce entity_oldnewvalue
entity_oldnewvalue(entity, attr) is usable in before_update_entity and
returns both old and new value of entity
# permissions for "meta" entity type (readable by anyone, can only be
# added/deleted by managers)
META_ETYPE_PERMS = {
'read': ('managers', 'users', 'guests',),
'add': ('managers',),
'delete': ('managers',),
'update': ('managers', 'owners',),
}
# permissions for "meta" relation type (readable by anyone, can only be
# added/deleted by managers)
META_RTYPE_PERMS = {
'read': ('managers', 'users', 'guests',),
'add': ('managers',),
'delete': ('managers',),
}
# permissions for relation type that should only set by hooks using unsafe
# execute, readable by anyone
HOOKS_RTYPE_PERMS = {
'read': ('managers', 'users', 'guests',),
'add': (),
'delete': (),
}