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import os, tempfile
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import bzrlib.store
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from bzrlib.store import hash_prefix
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from bzrlib.trace import mutter
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from bzrlib.errors import BzrError
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from bzrlib.errors import BzrError, FileExists
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from cStringIO import StringIO
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from stat import ST_SIZE
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Files are stored uncompressed, with no delta compression.
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def __init__(self, transport):
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def __init__(self, transport, prefixed=False):
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super(TextStore, self).__init__(transport)
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self._prefixed = prefixed
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def _check_fileid(self, fileid):
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if not isinstance(fileid, basestring):
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def _relpath(self, fileid):
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self._check_fileid(fileid)
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return hash_prefix(fileid) + fileid
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def add(self, f, fileid):
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"""Add contents of a file into the store.
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if self._transport.has(fn):
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raise BzrError("store %r already contains id %r" % (self._transport.base, fileid))
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self._transport.mkdir(hash_prefix(fileid))
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self._transport.put(fn, f)
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def _do_copy(self, other, to_copy, pb, permit_failure=False):
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if isinstance(other, TextStore):
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return self._copy_multi_text(other, to_copy, pb,
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permit_failure=permit_failure)
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return super(TextStore, self)._do_copy(other, to_copy,
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pb, permit_failure=permit_failure)
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def _copy_multi_text(self, other, to_copy, pb,
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permit_failure=False):
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# Because of _transport, we can no longer assume
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# that they are on the same filesystem, we can, however
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# assume that we only need to copy the exact bytes,
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# we don't need to process the files.
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for fileid, has in zip(to_copy, other.has(to_copy)):
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new_to_copy.add(fileid)
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#mutter('_copy_multi_text copying %s, failed %s' % (to_copy, failed))
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paths = [self._relpath(fileid) for fileid in to_copy]
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count = other._transport.copy_to(paths, self._transport, pb=pb)
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assert count == len(to_copy)
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def __contains__(self, fileid):
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fn = self._relpath(fileid)
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def __iter__(self):
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# TODO: case-insensitive?
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for f in self._transport.list_dir('.'):
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for relpath, st in self._iter_relpaths():
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yield os.path.basename(relpath)
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def __len__(self):
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return len([f for f in self._transport.list_dir('.')])
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return len(list(self._iter_relpath()))
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def __getitem__(self, fileid):
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"""Returns a file reading from a particular entry."""