While it is not mandatory and maybe can be avoided, current implementation of slaplib use computer_id heavily.

Otherwise not possible, because of slapos/slap/__init__.py doing
"from slap import *", and that "slap" module being shadowed by
"slapos.slap.slap.slap" class.

this optimisation is not valid.

This will reduce queries to server and improve performance for client.

This reverts commit e86433b1.

This commit has been not tested, and it was impossible to repair it quickly in
a060bed1

This reverts commit a060bed1.

In e86433b1 getComputerPartitionList shall not be called on function
object.

This will reduce queries to server and improve performance for client.

so it works with old versions.

Gets rid of the last class property in this file.

Your brain should pop out through your eyes already: this code is setting
a *class* property. On a class which is used as a base class everywhere in
this file. Mouhaha. *sob*