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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Deprecated weave-based repository formats.
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Weave based formats scaled linearly with history size and could not represent
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Old weave-based repository formats"""
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from StringIO import StringIO
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from bzrlib import (
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revision as _mod_revision,
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.repository import (
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MetaDirVersionedFileRepository,
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MetaDirRepositoryFormat,
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from bzrlib.store.text import TextStore
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from bzrlib.trace import mutter
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from bzrlib.tuned_gzip import GzipFile, bytes_to_gzip
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from bzrlib.versionedfile import (
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FulltextContentFactory,
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class AllInOneRepository(Repository):
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"""Legacy support - the repository behaviour for all-in-one branches."""
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def _serializer(self):
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return xml5.serializer_v5
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def _escape(self, file_or_path):
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if not isinstance(file_or_path, basestring):
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file_or_path = '/'.join(file_or_path)
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if file_or_path == '':
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return urlutils.escape(osutils.safe_unicode(file_or_path))
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def __init__(self, _format, a_bzrdir):
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_serializer = xml5.serializer_v5
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def __init__(self, _format, a_bzrdir, _revision_store, control_store, text_store):
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# we reuse one control files instance.
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dir_mode = a_bzrdir._get_dir_mode()
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file_mode = a_bzrdir._get_file_mode()
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dir_mode = a_bzrdir._control_files._dir_mode
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file_mode = a_bzrdir._control_files._file_mode
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def get_store(name, compressed=True, prefixed=False):
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# FIXME: This approach of assuming stores are all entirely compressed
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# or entirely uncompressed is tidy, but breaks upgrade from
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# some existing branches where there's a mixture; we probably
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# or entirely uncompressed is tidy, but breaks upgrade from
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# some existing branches where there's a mixture; we probably
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# still want the option to look for both.
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relpath = self._escape(name)
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store = TextStore(a_bzrdir.transport.clone(relpath),
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relpath = a_bzrdir._control_files._escape(name)
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store = TextStore(a_bzrdir._control_files._transport.clone(relpath),
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prefixed=prefixed, compressed=compressed,
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file_mode=file_mode)
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#if self._transport.should_cache():
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# cache_path = os.path.join(self.cache_root, name)
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# os.mkdir(cache_path)
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# store = bzrlib.store.CachedStore(store, cache_path)
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# not broken out yet because the controlweaves|inventory_store
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# and texts bits are still different.
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# and text_store | weave_store bits are still different.
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if isinstance(_format, RepositoryFormat4):
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# cannot remove these - there is still no consistent api
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# cannot remove these - there is still no consistent api
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# which allows access to this old info.
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self.inventory_store = get_store('inventory-store')
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self._text_store = get_store('text-store')
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super(AllInOneRepository, self).__init__(_format, a_bzrdir, a_bzrdir._control_files)
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def _all_possible_ids(self):
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"""Return all the possible revisions that we could find."""
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if 'evil' in debug.debug_flags:
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mutter_callsite(3, "_all_possible_ids scales with size of history.")
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return [key[-1] for key in self.inventories.keys()]
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def _all_revision_ids(self):
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"""Returns a list of all the revision ids in the repository.
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These are in as much topological order as the underlying store can
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present: for weaves ghosts may lead to a lack of correctness until
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the reweave updates the parents list.
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return [key[-1] for key in self.revisions.keys()]
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def _activate_new_inventory(self):
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"""Put a replacement inventory.new into use as inventories."""
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# Copy the content across
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t = self.bzrdir._control_files._transport
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t.copy('inventory.new.weave', 'inventory.weave')
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# delete the temp inventory
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t.delete('inventory.new.weave')
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# Check we can parse the new weave properly as a sanity check
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self.inventories.keys()
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def _backup_inventory(self):
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t = self.bzrdir._control_files._transport
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t.copy('inventory.weave', 'inventory.backup.weave')
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def _temp_inventories(self):
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t = self.bzrdir._control_files._transport
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return self._format._get_inventories(t, self, 'inventory.new')
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text_store = get_store('text-store')
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super(AllInOneRepository, self).__init__(_format, a_bzrdir, a_bzrdir._control_files, _revision_store, control_store, text_store)
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def get_commit_builder(self, branch, parents, config, timestamp=None,
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timezone=None, committer=None, revprops=None,
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revision_id=None):
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self._check_ascii_revisionid(revision_id, self.get_commit_builder)
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result = CommitBuilder(self, parents, config, timestamp, timezone,
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committer, revprops, revision_id)
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self.start_write_group()
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return Repository.get_commit_builder(self, branch, parents, config,
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timestamp, timezone, committer, revprops, revision_id)
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def get_revisions(self, revision_ids):
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revs = self._get_revisions(revision_ids)
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def _inventory_add_lines(self, revision_id, parents, lines,
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"""Store lines in inv_vf and return the sha1 of the inventory."""
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present_parents = self.get_graph().get_parent_map(parents)
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for parent in parents:
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if parent in present_parents:
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final_parents.append((parent,))
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return self.inventories.add_lines((revision_id,), final_parents, lines,
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check_content=check_content)[0]
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def is_shared(self):
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"""AllInOne repositories cannot be shared."""
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:param new_value: True to restore the default, False to disable making
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raise errors.RepositoryUpgradeRequired(self.bzrdir.root_transport.base)
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raise NotImplementedError(self.set_make_working_trees)
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def make_working_trees(self):
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"""Returns the policy for making working trees on new branches."""
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def revision_graph_can_have_wrong_parents(self):
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# XXX: This is an old format that we don't support full checking on, so
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# just claim that checking for this inconsistency is not required.
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class WeaveMetaDirRepository(MetaDirVersionedFileRepository):
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class WeaveMetaDirRepository(MetaDirRepository):
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"""A subclass of MetaDirRepository to set weave specific policy."""
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def __init__(self, _format, a_bzrdir, control_files):
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super(WeaveMetaDirRepository, self).__init__(_format, a_bzrdir, control_files)
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self._serializer = _format._serializer
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def _all_possible_ids(self):
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"""Return all the possible revisions that we could find."""
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if 'evil' in debug.debug_flags:
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mutter_callsite(3, "_all_possible_ids scales with size of history.")
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return [key[-1] for key in self.inventories.keys()]
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def _all_revision_ids(self):
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"""Returns a list of all the revision ids in the repository.
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These are in as much topological order as the underlying store can
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present: for weaves ghosts may lead to a lack of correctness until
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the reweave updates the parents list.
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return [key[-1] for key in self.revisions.keys()]
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def _activate_new_inventory(self):
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"""Put a replacement inventory.new into use as inventories."""
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# Copy the content across
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t.copy('inventory.new.weave', 'inventory.weave')
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# delete the temp inventory
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t.delete('inventory.new.weave')
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# Check we can parse the new weave properly as a sanity check
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self.inventories.keys()
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def _backup_inventory(self):
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t.copy('inventory.weave', 'inventory.backup.weave')
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def _temp_inventories(self):
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return self._format._get_inventories(t, self, 'inventory.new')
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_serializer = xml5.serializer_v5
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def get_commit_builder(self, branch, parents, config, timestamp=None,
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timezone=None, committer=None, revprops=None,
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revision_id=None):
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self._check_ascii_revisionid(revision_id, self.get_commit_builder)
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result = CommitBuilder(self, parents, config, timestamp, timezone,
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committer, revprops, revision_id)
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self.start_write_group()
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def get_revision(self, revision_id):
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"""Return the Revision object for a named revision"""
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r = self.get_revision_reconcile(revision_id)
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def _inventory_add_lines(self, revision_id, parents, lines,
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"""Store lines in inv_vf and return the sha1 of the inventory."""
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present_parents = self.get_graph().get_parent_map(parents)
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for parent in parents:
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if parent in present_parents:
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final_parents.append((parent,))
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return self.inventories.add_lines((revision_id,), final_parents, lines,
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check_content=check_content)[0]
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def revision_graph_can_have_wrong_parents(self):
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return MetaDirRepository.get_commit_builder(self, branch, parents,
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config, timestamp, timezone, committer, revprops, revision_id)
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class PreSplitOutRepositoryFormat(RepositoryFormat):
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rich_root_data = False
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supports_tree_reference = False
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supports_ghosts = False
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supports_external_lookups = False
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supports_chks = False
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_fetch_order = 'topological'
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_fetch_reconcile = True
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def initialize(self, a_bzrdir, shared=False, _internal=False):
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"""Create a weave repository."""
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"""Create a weave repository.
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TODO: when creating split out bzr branch formats, move this to a common
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base for Format5, Format6. or something like that.
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raise errors.IncompatibleFormat(self, a_bzrdir._format)
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if not _internal:
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# always initialized when the bzrdir is.
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return self.open(a_bzrdir, _found=True)
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# Create an empty weave
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weavefile.write_weave_v5(weave.Weave(), sio)
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empty_weave = sio.getvalue()
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mutter('creating repository in %s.', a_bzrdir.transport.base)
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dirs = ['revision-store', 'weaves']
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files = [('inventory.weave', StringIO(empty_weave)),
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# FIXME: RBC 20060125 don't peek under the covers
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# NB: no need to escape relative paths that are url safe.
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control_files = lockable_files.LockableFiles(a_bzrdir.transport,
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'branch-lock', lockable_files.TransportLock)
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'branch-lock', lockable_files.TransportLock)
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control_files.create_lock()
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control_files.lock_write()
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transport = a_bzrdir.transport
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control_files._transport.mkdir_multi(dirs,
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mode=control_files._dir_mode)
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transport.mkdir_multi(['revision-store', 'weaves'],
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mode=a_bzrdir._get_dir_mode())
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transport.put_bytes_non_atomic('inventory.weave', empty_weave,
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mode=a_bzrdir._get_file_mode())
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for file, content in files:
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control_files.put(file, content)
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control_files.unlock()
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return self.open(a_bzrdir, _found=True)
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def _get_control_store(self, repo_transport, control_files):
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"""Return the control store for this repository."""
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return self._get_versioned_file_store('',
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def _get_text_store(self, transport, control_files):
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"""Get a store for file texts for this format."""
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raise NotImplementedError(self._get_text_store)
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def open(self, a_bzrdir, _found=False):
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"""See RepositoryFormat.open()."""
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"""Format 4 is not supported.
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It is not supported because the model changed from 4 to 5 and the
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conversion logic is expensive - so doing it on the fly was not
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conversion logic is expensive - so doing it on the fly was not
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def _get_inventories(self, repo_transport, repo, name='inventory'):
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# No inventories store written so far.
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def _get_control_store(self, repo_transport, control_files):
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"""Format 4 repositories have no formal control store at this point.
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This will cause any control-file-needing apis to fail - this is desired.
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def _get_revisions(self, repo_transport, repo):
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def _get_revision_store(self, repo_transport, control_files):
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"""See RepositoryFormat._get_revision_store()."""
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from bzrlib.xml4 import serializer_v4
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return RevisionTextStore(repo_transport.clone('revision-store'),
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serializer_v4, True, versionedfile.PrefixMapper(),
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repo.is_locked, repo.is_write_locked)
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def _get_signatures(self, repo_transport, repo):
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return SignatureTextStore(repo_transport.clone('revision-store'),
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False, versionedfile.PrefixMapper(),
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repo.is_locked, repo.is_write_locked)
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def _get_texts(self, repo_transport, repo):
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return self._get_text_rev_store(repo_transport,
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serializer=serializer_v4)
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def _get_text_store(self, transport, control_files):
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"""See RepositoryFormat._get_text_store()."""
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class RepositoryFormat5(PreSplitOutRepositoryFormat):
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_versionedfile_class = weave.WeaveFile
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_matchingbzrdir = bzrdir.BzrDirFormat5()
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def _serializer(self):
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return xml5.serializer_v5
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super(RepositoryFormat5, self).__init__()
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def get_format_description(self):
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"""See RepositoryFormat.get_format_description()."""
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return "Weave repository format 5"
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def network_name(self):
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"""The network name for this format is the control dirs disk label."""
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return self._matchingbzrdir.get_format_string()
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def _get_inventories(self, repo_transport, repo, name='inventory'):
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mapper = versionedfile.ConstantMapper(name)
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return versionedfile.ThunkedVersionedFiles(repo_transport,
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weave.WeaveFile, mapper, repo.is_locked)
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def _get_revisions(self, repo_transport, repo):
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return RevisionTextStore(repo_transport.clone('revision-store'),
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xml5.serializer_v5, False, versionedfile.PrefixMapper(),
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repo.is_locked, repo.is_write_locked)
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def _get_signatures(self, repo_transport, repo):
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return SignatureTextStore(repo_transport.clone('revision-store'),
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False, versionedfile.PrefixMapper(),
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repo.is_locked, repo.is_write_locked)
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def _get_texts(self, repo_transport, repo):
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mapper = versionedfile.PrefixMapper()
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base_transport = repo_transport.clone('weaves')
415
return versionedfile.ThunkedVersionedFiles(base_transport,
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weave.WeaveFile, mapper, repo.is_locked)
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def _get_revision_store(self, repo_transport, control_files):
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"""See RepositoryFormat._get_revision_store()."""
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"""Return the revision store object for this a_bzrdir."""
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return self._get_text_rev_store(repo_transport,
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def _get_text_store(self, transport, control_files):
275
"""See RepositoryFormat._get_text_store()."""
276
return self._get_versioned_file_store('weaves', transport, control_files, prefixed=False)
419
279
class RepositoryFormat6(PreSplitOutRepositoryFormat):
428
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_versionedfile_class = weave.WeaveFile
429
289
_matchingbzrdir = bzrdir.BzrDirFormat6()
431
def _serializer(self):
432
return xml5.serializer_v5
292
super(RepositoryFormat6, self).__init__()
434
294
def get_format_description(self):
435
295
"""See RepositoryFormat.get_format_description()."""
436
296
return "Weave repository format 6"
438
def network_name(self):
439
"""The network name for this format is the control dirs disk label."""
440
return self._matchingbzrdir.get_format_string()
442
def _get_inventories(self, repo_transport, repo, name='inventory'):
443
mapper = versionedfile.ConstantMapper(name)
444
return versionedfile.ThunkedVersionedFiles(repo_transport,
445
weave.WeaveFile, mapper, repo.is_locked)
447
def _get_revisions(self, repo_transport, repo):
448
return RevisionTextStore(repo_transport.clone('revision-store'),
449
xml5.serializer_v5, False, versionedfile.HashPrefixMapper(),
450
repo.is_locked, repo.is_write_locked)
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def _get_signatures(self, repo_transport, repo):
453
return SignatureTextStore(repo_transport.clone('revision-store'),
454
False, versionedfile.HashPrefixMapper(),
455
repo.is_locked, repo.is_write_locked)
457
def _get_texts(self, repo_transport, repo):
458
mapper = versionedfile.HashPrefixMapper()
459
base_transport = repo_transport.clone('weaves')
460
return versionedfile.ThunkedVersionedFiles(base_transport,
461
weave.WeaveFile, mapper, repo.is_locked)
298
def _get_revision_store(self, repo_transport, control_files):
299
"""See RepositoryFormat._get_revision_store()."""
300
return self._get_text_rev_store(repo_transport,
306
def _get_text_store(self, transport, control_files):
307
"""See RepositoryFormat._get_text_store()."""
308
return self._get_versioned_file_store('weaves', transport, control_files)
464
311
class RepositoryFormat7(MetaDirRepositoryFormat):
492
337
"""See RepositoryFormat.get_format_description()."""
493
338
return "Weave repository format 7"
495
def _get_inventories(self, repo_transport, repo, name='inventory'):
496
mapper = versionedfile.ConstantMapper(name)
497
return versionedfile.ThunkedVersionedFiles(repo_transport,
498
weave.WeaveFile, mapper, repo.is_locked)
500
def _get_revisions(self, repo_transport, repo):
501
return RevisionTextStore(repo_transport.clone('revision-store'),
502
xml5.serializer_v5, True, versionedfile.HashPrefixMapper(),
503
repo.is_locked, repo.is_write_locked)
505
def _get_signatures(self, repo_transport, repo):
506
return SignatureTextStore(repo_transport.clone('revision-store'),
507
True, versionedfile.HashPrefixMapper(),
508
repo.is_locked, repo.is_write_locked)
510
def _get_texts(self, repo_transport, repo):
511
mapper = versionedfile.HashPrefixMapper()
512
base_transport = repo_transport.clone('weaves')
513
return versionedfile.ThunkedVersionedFiles(base_transport,
514
weave.WeaveFile, mapper, repo.is_locked)
340
def check_conversion_target(self, target_format):
343
def _get_revision_store(self, repo_transport, control_files):
344
"""See RepositoryFormat._get_revision_store()."""
345
return self._get_text_rev_store(repo_transport,
352
def _get_text_store(self, transport, control_files):
353
"""See RepositoryFormat._get_text_store()."""
354
return self._get_versioned_file_store('weaves',
516
358
def initialize(self, a_bzrdir, shared=False):
517
359
"""Create a weave repository.
527
369
mutter('creating repository in %s.', a_bzrdir.transport.base)
528
370
dirs = ['revision-store', 'weaves']
529
files = [('inventory.weave', StringIO(empty_weave)),
371
files = [('inventory.weave', StringIO(empty_weave)),
531
373
utf8_files = [('format', self.get_format_string())]
533
375
self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
534
376
return self.open(a_bzrdir=a_bzrdir, _found=True)
536
378
def open(self, a_bzrdir, _found=False, _override_transport=None):
537
379
"""See RepositoryFormat.open().
539
381
:param _override_transport: INTERNAL USE ONLY. Allows opening the
540
382
repository at a slightly different url
541
383
than normal. I.e. during 'upgrade'.
544
386
format = RepositoryFormat.find_format(a_bzrdir)
387
assert format.__class__ == self.__class__
545
388
if _override_transport is not None:
546
389
repo_transport = _override_transport
548
391
repo_transport = a_bzrdir.get_repository_transport(None)
549
392
control_files = lockable_files.LockableFiles(repo_transport,
550
393
'lock', lockdir.LockDir)
551
result = WeaveMetaDirRepository(_format=self, a_bzrdir=a_bzrdir,
552
control_files=control_files)
553
result.revisions = self._get_revisions(repo_transport, result)
554
result.signatures = self._get_signatures(repo_transport, result)
555
result.inventories = self._get_inventories(repo_transport, result)
556
result.texts = self._get_texts(repo_transport, result)
557
result.chk_bytes = None
558
result._transport = repo_transport
562
class TextVersionedFiles(VersionedFiles):
563
"""Just-a-bunch-of-files based VersionedFile stores."""
565
def __init__(self, transport, compressed, mapper, is_locked, can_write):
566
self._compressed = compressed
567
self._transport = transport
568
self._mapper = mapper
573
self._is_locked = is_locked
574
self._can_write = can_write
576
def add_lines(self, key, parents, lines):
577
"""Add a revision to the store."""
578
if not self._is_locked():
579
raise errors.ObjectNotLocked(self)
580
if not self._can_write():
581
raise errors.ReadOnlyError(self)
583
raise ValueError('bad idea to put / in %r' % (key,))
584
text = ''.join(lines)
586
text = bytes_to_gzip(text)
587
path = self._map(key)
588
self._transport.put_bytes_non_atomic(path, text, create_parent_dir=True)
590
def insert_record_stream(self, stream):
592
for record in stream:
593
# Raise an error when a record is missing.
594
if record.storage_kind == 'absent':
595
raise errors.RevisionNotPresent([record.key[0]], self)
596
# adapt to non-tuple interface
597
if record.storage_kind == 'fulltext':
598
self.add_lines(record.key, None,
599
osutils.split_lines(record.get_bytes_as('fulltext')))
601
adapter_key = record.storage_kind, 'fulltext'
603
adapter = adapters[adapter_key]
605
adapter_factory = adapter_registry.get(adapter_key)
606
adapter = adapter_factory(self)
607
adapters[adapter_key] = adapter
608
lines = osutils.split_lines(adapter.get_bytes(
609
record, record.get_bytes_as(record.storage_kind)))
611
self.add_lines(record.key, None, lines)
612
except RevisionAlreadyPresent:
615
def _load_text(self, key):
616
if not self._is_locked():
617
raise errors.ObjectNotLocked(self)
618
path = self._map(key)
620
text = self._transport.get_bytes(path)
621
compressed = self._compressed
622
except errors.NoSuchFile:
624
# try without the .gz
627
text = self._transport.get_bytes(path)
629
except errors.NoSuchFile:
634
text = GzipFile(mode='rb', fileobj=StringIO(text)).read()
638
return self._mapper.map(key) + self._ext
641
class RevisionTextStore(TextVersionedFiles):
642
"""Legacy thunk for format 4 repositories."""
644
def __init__(self, transport, serializer, compressed, mapper, is_locked,
646
"""Create a RevisionTextStore at transport with serializer."""
647
TextVersionedFiles.__init__(self, transport, compressed, mapper,
648
is_locked, can_write)
649
self._serializer = serializer
651
def _load_text_parents(self, key):
652
text = self._load_text(key)
655
parents = self._serializer.read_revision_from_string(text).parent_ids
656
return text, tuple((parent,) for parent in parents)
658
def get_parent_map(self, keys):
661
parents = self._load_text_parents(key)[1]
664
result[key] = parents
667
def get_known_graph_ancestry(self, keys):
668
"""Get a KnownGraph instance with the ancestry of keys."""
670
parent_map = self.get_parent_map(keys)
671
kg = _mod_graph.KnownGraph(parent_map)
674
def get_record_stream(self, keys, sort_order, include_delta_closure):
676
text, parents = self._load_text_parents(key)
678
yield AbsentContentFactory(key)
680
yield FulltextContentFactory(key, parents, None, text)
683
if not self._is_locked():
684
raise errors.ObjectNotLocked(self)
686
for quoted_relpath in self._transport.iter_files_recursive():
687
relpath = urllib.unquote(quoted_relpath)
688
path, ext = os.path.splitext(relpath)
691
if not relpath.endswith('.sig'):
692
relpaths.add(relpath)
693
paths = list(relpaths)
694
return set([self._mapper.unmap(path) for path in paths])
697
class SignatureTextStore(TextVersionedFiles):
698
"""Legacy thunk for format 4-7 repositories."""
700
def __init__(self, transport, compressed, mapper, is_locked, can_write):
701
TextVersionedFiles.__init__(self, transport, compressed, mapper,
702
is_locked, can_write)
703
self._ext = '.sig' + self._ext
705
def get_parent_map(self, keys):
708
text = self._load_text(key)
714
def get_record_stream(self, keys, sort_order, include_delta_closure):
716
text = self._load_text(key)
718
yield AbsentContentFactory(key)
720
yield FulltextContentFactory(key, None, None, text)
723
if not self._is_locked():
724
raise errors.ObjectNotLocked(self)
726
for quoted_relpath in self._transport.iter_files_recursive():
727
relpath = urllib.unquote(quoted_relpath)
728
path, ext = os.path.splitext(relpath)
731
if not relpath.endswith('.sig'):
733
relpaths.add(relpath[:-4])
734
paths = list(relpaths)
735
return set([self._mapper.unmap(path) for path in paths])
394
text_store = self._get_text_store(repo_transport, control_files)
395
control_store = self._get_control_store(repo_transport, control_files)
396
_revision_store = self._get_revision_store(repo_transport, control_files)
397
return WeaveMetaDirRepository(_format=self,
399
control_files=control_files,
400
_revision_store=_revision_store,
401
control_store=control_store,
402
text_store=text_store)
737
405
_legacy_formats = [RepositoryFormat4(),
738
406
RepositoryFormat5(),
added
removed
bzrlib/repofmt/weaverepo.py
