[Python-Dev] zlib module doesn't build - inflateCopy() not found

[Guido van Rossum]

Then options 2 and 3 are both fine.

Not compiling at all is *not*, so if nobody has time to implement 2 or
3, we'll have to do 4.

--Guido

On 5/21/06, "Martin v. Löwis" <martin at v.loewis.de> wrote:
> Guido van Rossum wrote:
> > What was the purpose of the patch in the first place?
>
> I don't fully understand it. I guess the objective of the patch
> was to expose the feature of the underlying library. The SF
> submission then gives the rationale for that feature as
>
> """
> Copying a
> (de)compression object allows a developer to store the
> state of the (de)compressor at a certain point of the
> input stream in order to more efficiently compress data
> sharing some identical header, or to more efficiently
> seek inside compressed data.
> """
>
> The submitter first posted this message to c.l.p:
>
> http://groups.google.com/group/comp.lang.python/msg/13f8ce4057162ad5
>
> Apparently, one application is to take a snapshot of a gzip
> file that is being created, then add to it, and if that fails
> (e.g. because the size of the CD would be exceeded), truncate
> it to back to the snapshot (and then close the zlib stream).
>
> Regards,
> Martin
>
>
>


-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)