[Freeipa-devel] [PATCHES] 0688-0689 Remove Editable DN and DN component classes

[Petr Viktorin]

The attached patches remove EditableDN, EditableRDN and EditableAVA.
They depend on Petr Voborník's patch 811 (performance: faster DN 
implementation).


Mutable DNs are not very useful. When creating them it is easier to work 
with lists or generators, and needing to change DNs aside from 
operations like `DN(new_rdn, original[1:])` is very rare -- I'd even say 
theoretical.
Mutable DNs are not hashable, so they can't be used as dist keys. 
Storing them as "keys" in other structures (e.g. in a LDAPEntry) is 
dangerous -- it's hard to reason about outside modifications.

The first patch removes the last use of EditableDN. I could be convinced 
it's not an improvement in elegance/readability, but I believe this is 
the strongest case for EditableDN in IPA, and it doesn't justify keeping it.

-- 
Petr Viktorin
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