[MERGE] Add simple Storage object

Robert Collins robertc at robertcollins.net
Mon Feb 11 21:28:29 GMT 2008

On Mon, 2008-02-11 at 08:47 -0500, Aaron Bentley wrote:
> Hash: SHA1

> I think that it would improve our separation of concerns to make
> bytestream reconstruction independent of physical storage, i.e. by
> having a separate Builder object.  That object would need to query the
> build dependencies in the UnifiedByteStore, and retrieve the raw entries
> from it.  So I would want a consistent API, even if technically it does
> not have to be public.

I think it is already separated to a significant degree - in knit.py the
Access objects handle physical data retrieval, the Index objects allow
querying in an abstract fashion for the location and compression method
of a single component, and the KnitData object does object building.

But for something like Weaves its very hard to consider the compressed
texts separate things to be combined by a third party, and I don't think
the way we structure the code should encourage considering them to be
separate things.

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