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  • Committer: Robert Collins
  • Date: 2005-09-28 05:37:53 UTC
  • mfrom: (1092.3.4)
  • mto: This revision was merged to the branch mainline in revision 1397.
  • Revision ID: robertc@robertcollins.net-20050928053753-68e6e4c0642eccea
merge from symlink branch

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bzrlib/store.py
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unique ID.
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"""
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import os, tempfile, types, osutils, gzip, errno
 
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import errno
 
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import gzip
 
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import os
 
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import tempfile
 
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import types
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from stat import ST_SIZE
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from StringIO import StringIO
 
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from bzrlib.errors import BzrError
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from bzrlib.trace import mutter
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import bzrlib.ui
 
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import bzrlib.osutils as osutils
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from bzrlib.remotebranch import get_url
 
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import urllib2
 
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######################################################################
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# stores
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        pb.update('preparing to copy')
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        to_copy = [id for id in ids if id not in self]
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        if isinstance(other, ImmutableStore):
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            return self.copy_multi_immutable(other, to_copy, pb)
 
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            return self.copy_multi_immutable(other, to_copy, pb, 
 
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                                             permit_failure=permit_failure)
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        count = 0
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        failed = set()
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        for id in to_copy:
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            else:
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                try:
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                    entry = other[id]
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                except IndexError:
 
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                except KeyError:
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                    failed.add(id)
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                    continue
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                self.add(entry, id)
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            if e.errno != errno.ENOENT:
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                raise
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        raise IndexError(fileid)
 
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        raise KeyError(fileid)
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class ImmutableScratchStore(ImmutableStore):
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        p = self._path(fileid)
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        try:
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            return get_url(p, compressed=True)
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        except:
 
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        except urllib2.URLError:
 
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            pass
 
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        try:
 
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            return get_url(p, compressed=False)
 
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        except urllib2.URLError:
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            raise KeyError(fileid)
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class CachedStore:
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    """A store that caches data locally, to avoid repeated downloads.
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    The precacache method should be used to avoid server round-trips for
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        """Copy a series of ids into the cache, before they are used.
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        For remote stores that support pipelining or async downloads, this can
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        increase speed considerably.
 
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        Failures while prefetching are ignored.
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        """
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        mutter("Prefetch of ids %s" % ",".join(ids))
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        self.cache_store.copy_multi(self.source_store, ids)
 
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        self.cache_store.copy_multi(self.source_store, ids,
 
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                                    permit_failure=True)