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Viewing changes to bzrlib/cache.py

  • Committer: Martin Pool
  • Date: 2005-05-10 06:00:59 UTC
  • Revision ID: mbp@sourcefrog.net-20050510060059-bae67a465325f650
- Use AtomicFile to update statcache.
- New closed property on AtomicFile

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bzrlib/cache.py
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from binascii import b2a_qp, a2b_qp
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from trace import mutter
 
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from errors import BzrError
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"""File stat cache to speed up tree comparisons.
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def write_cache(branch, entry_iter):
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    outf = branch.controlfile('work-cache.tmp', 'wt')
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    for entry in entry_iter:
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        outf.write(entry[0] + ' ' + entry[1] + ' ')
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        outf.write(b2a_qp(entry[2], True))
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        outf.write(' %d %d %d %d %d\n' % entry[3:])
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    outf.close()
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    os.rename(branch.controlfilename('work-cache.tmp'),
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              branch.controlfilename('work-cache'))
 
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    from atomicfile import AtomicFile
 
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    outf = AtomicFile(branch.controlfilename('work-cache.tmp'), 'wt')
 
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    try:
 
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        for entry in entry_iter:
 
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            outf.write(entry[0] + ' ' + entry[1] + ' ')
 
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            outf.write(b2a_qp(entry[2], True))
 
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            outf.write(' %d %d %d %d %d\n' % entry[3:])
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        outf.commit()
 
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    finally:
 
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        if not outf.closed:
 
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            outf.abort()
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def load_cache(branch):