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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: Could remember a bias towards whether a particular store is typically
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Stores are the main data-storage mechanism for Bazaar-NG.
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import os, tempfile, types, osutils, gzip, errno
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from stat import ST_SIZE
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from StringIO import StringIO
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from trace import mutter
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from bzrlib.errors import BzrError
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from bzrlib.trace import mutter
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import bzrlib.osutils as osutils
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######################################################################
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def __init__(self, basedir):
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self._basedir = basedir
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if '\\' in id or '/' in id:
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raise ValueError("invalid store id %r" % id)
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return os.path.join(self._basedir, id)
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def _path(self, entry_id):
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if not isinstance(entry_id, basestring):
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raise TypeError(type(entry_id))
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if '\\' in entry_id or '/' in entry_id:
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raise ValueError("invalid store id %r" % entry_id)
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return os.path.join(self._basedir, entry_id)
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def __repr__(self):
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return "%s(%r)" % (self.__class__.__name__, self._basedir)
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p = self._path(fileid)
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if os.access(p, os.F_OK) or os.access(p + '.gz', os.F_OK):
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from bzrlib.errors import bailout
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raise BzrError("store %r already contains id %r" % (self._basedir, fileid))
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def copy_multi(self, other, ids):
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def copy_multi(self, other, ids, permit_failure=False):
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"""Copy texts for ids from other into self.
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If an id is present in self, it is skipped. A count of copied
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ids is returned, which may be less than len(ids).
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If an id is present in self, it is skipped.
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Returns (count_copied, failed), where failed is a collection of ids
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that could not be copied.
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from bzrlib.progress import ProgressBar
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pb = bzrlib.ui.ui_factory.progress_bar()
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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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for id in to_copy:
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pb.update('copy', count, len(to_copy))
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self.add(other[id], id)
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assert count == len(to_copy)
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if not permit_failure:
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self.add(other[id], id)
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if not permit_failure:
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assert count == len(to_copy)
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def copy_multi_immutable(self, other, to_copy, pb):
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def copy_multi_immutable(self, other, to_copy, pb, permit_failure=False):
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from shutil import copyfile
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for id in to_copy:
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p = self._path(id)
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other_p = other._path(id)
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copyfile(other_p, p)
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except IOError, e:
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if e.errno == errno.ENOENT:
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copyfile(other_p+".gz", p+".gz")
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if not permit_failure:
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copyfile(other_p+".gz", p+".gz")
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copyfile(other_p+".gz", p+".gz")
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if e.errno == errno.ENOENT:
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return (os.access(p, os.R_OK)
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or os.access(p + '.gz', os.R_OK))
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# TODO: Guard against the same thing being stored twice, compressed and uncompresse
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# TODO: Guard against the same thing being stored twice,
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# compressed and uncompressed
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def __iter__(self):
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for f in os.listdir(self._basedir):