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Viewing changes to bzrlib/repofmt/pack_repo.py

  • Committer: Andrew Bennetts
  • Date: 2008-08-07 00:25:38 UTC
  • mfrom: (3612 +trunk)
  • mto: This revision was merged to the branch mainline in revision 3613.
  • Revision ID: andrew.bennetts@canonical.com-20080807002538-mtl1fcgy2fdabha4
Merge from bzr.dev.

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bzrlib/repofmt/pack_repo.py
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from itertools import izip
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import math
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import md5
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import time
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from bzrlib import (
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        debug,
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        graph,
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        pack,
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        ui,
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        )
 
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    debug,
 
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    graph,
 
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    pack,
 
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    transactions,
 
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    ui,
 
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    )
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from bzrlib.index import (
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    GraphIndex,
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    GraphIndexBuilder,
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    _DirectPackAccess,
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    )
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from bzrlib.osutils import rand_chars, split_lines
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from bzrlib.pack import ContainerWriter
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from bzrlib.store import revision
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from bzrlib import tsort
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""")
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from bzrlib import (
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    errors,
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    lockable_files,
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    lockdir,
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    osutils,
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    symbol_versioning,
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    transactions,
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    xml5,
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    xml6,
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    xml7,
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    )
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from bzrlib.decorators import needs_read_lock, needs_write_lock
 
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from bzrlib.decorators import needs_write_lock
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from bzrlib.repofmt.knitrepo import KnitRepository
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from bzrlib.repository import (
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    CommitBuilder,
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    InterRepository,
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    MetaDirRepository,
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    MetaDirRepositoryFormat,
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    RepositoryFormat,
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    RootCommitBuilder,
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    )
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import bzrlib.revision as _mod_revision
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from bzrlib.store.versioned import VersionedFileStore
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from bzrlib.trace import (
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    mutter,
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    mutter_callsite,
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    note,
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    warning,
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    )
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        self._reconcile_does_inventory_gc = True
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        self._reconcile_fixes_text_parents = True
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        self._reconcile_backsup_inventory = False
 
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        self._fetch_order = 'unsorted'
 
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    def _warn_if_deprecated(self):
 
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        # This class isn't deprecated
 
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        pass
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    def _abort_write_group(self):
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        self._pack_collection._abort_write_group()
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            raise errors.ReadOnlyError(self)
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        self._write_lock_count += 1
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        if self._write_lock_count == 1:
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            from bzrlib import transactions
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            self._transaction = transactions.WriteTransaction()
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            for repo in self._fallback_repositories:
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                # Writes don't affect fallback repos
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        pass
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class RepositoryFormatPack(MetaDirRepositoryFormat):
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    """Format logic for pack structured repositories.
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    This repository format has:
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     - a list of packs in pack-names
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     - packs in packs/NAME.pack
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     - indices in indices/NAME.{iix,six,tix,rix}
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     - knit deltas in the packs, knit indices mapped to the indices.
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     - thunk objects to support the knits programming API.
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     - a format marker of its own
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     - an optional 'shared-storage' flag
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     - an optional 'no-working-trees' flag
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     - a LockDir lock
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    """
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    # Set this attribute in derived classes to control the repository class
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    # created by open and initialize.
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    repository_class = None
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    # Set this attribute in derived classes to control the
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    # _commit_builder_class that the repository objects will have passed to
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    # their constructor.
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    _commit_builder_class = None
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    # Set this attribute in derived clases to control the _serializer that the
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    # repository objects will have passed to their constructor.
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    _serializer = None
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    # External references are not supported in pack repositories yet.
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    supports_external_lookups = False
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    def initialize(self, a_bzrdir, shared=False):
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        """Create a pack based repository.
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        :param a_bzrdir: bzrdir to contain the new repository; must already
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            be initialized.
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        :param shared: If true the repository will be initialized as a shared
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                       repository.
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        """
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        mutter('creating repository in %s.', a_bzrdir.transport.base)
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        dirs = ['indices', 'obsolete_packs', 'packs', 'upload']
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        builder = GraphIndexBuilder()
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        files = [('pack-names', builder.finish())]
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        utf8_files = [('format', self.get_format_string())]
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        self._upload_blank_content(a_bzrdir, dirs, files, utf8_files, shared)
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        return self.open(a_bzrdir=a_bzrdir, _found=True)
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    def open(self, a_bzrdir, _found=False, _override_transport=None):
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        """See RepositoryFormat.open().
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        :param _override_transport: INTERNAL USE ONLY. Allows opening the
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                                    repository at a slightly different url
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                                    than normal. I.e. during 'upgrade'.
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        """
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        if not _found:
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            format = RepositoryFormat.find_format(a_bzrdir)
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        if _override_transport is not None:
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            repo_transport = _override_transport
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        else:
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            repo_transport = a_bzrdir.get_repository_transport(None)
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        control_files = lockable_files.LockableFiles(repo_transport,
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                                'lock', lockdir.LockDir)
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        return self.repository_class(_format=self,
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                              a_bzrdir=a_bzrdir,
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                              control_files=control_files,
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                              _commit_builder_class=self._commit_builder_class,
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                              _serializer=self._serializer)
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class RepositoryFormatKnitPack1(RepositoryFormatPack):
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    """A no-subtrees parameterized Pack repository.
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    This format was introduced in 0.92.
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    """
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    repository_class = KnitPackRepository
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    _commit_builder_class = PackCommitBuilder
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    _serializer = xml5.serializer_v5
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    def _get_matching_bzrdir(self):
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        return bzrdir.format_registry.make_bzrdir('pack-0.92')
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    def _ignore_setting_bzrdir(self, format):
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        pass
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    _matchingbzrdir = property(_get_matching_bzrdir, _ignore_setting_bzrdir)
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    def get_format_string(self):
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        """See RepositoryFormat.get_format_string()."""
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        return "Bazaar pack repository format 1 (needs bzr 0.92)\n"
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    def get_format_description(self):
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        """See RepositoryFormat.get_format_description()."""
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        return "Packs containing knits without subtree support"
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    def check_conversion_target(self, target_format):
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        pass
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class RepositoryFormatKnitPack3(RepositoryFormatPack):
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    """A subtrees parameterized Pack repository.
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