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  • Committer: John Arbash Meinel
  • Date: 2010-09-21 19:30:33 UTC
  • mto: This revision was merged to the branch mainline in revision 5451.
  • Revision ID: john@arbash-meinel.com-20100921193033-9ftw56og72mhlwo4
Change GroupCompressBlock to work in self._z_compress_chunks

This pushes down one of the peak memory locations. We still have a requirement
during commit of 1 fulltext + 2 compressed texts, but at least this code
path is now better about only using 1 fulltext and 1 compressed text.
We need to push this into more apis to get a bigger benefit.

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bzrlib/tuned_gzip.py
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        # (4 seconds to 1 seconds for the sample upgrades I was testing).
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        self.write(''.join(lines))
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    if sys.version_info > (2, 7):
 
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        # As of Python 2.7 the crc32 must be positive when close is called
 
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        def close(self):
 
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            if self.fileobj is None:
 
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                return
 
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            if self.mode == gzip.WRITE:
 
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                self.crc &= 0xFFFFFFFFL
 
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            gzip.GzipFile.close(self)
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