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  • Committer: Martin Pool
  • Date: 2005-11-01 21:51:17 UTC
  • mfrom: (1185.16.147)
  • mto: (1185.33.49 bzr.dev)
  • mto: This revision was merged to the branch mainline in revision 1512.
  • Revision ID: mbp@sourcefrog.net-20051101215117-e7c33dde397b2350
[merge] main -> bzr.mbp.basic_io

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bzrlib/branch.py
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import shutil
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import sys
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import os
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import errno
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from bzrlib.errors import (BzrError, InvalidRevisionNumber, InvalidRevisionId,
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                           NoSuchRevision, HistoryMissing, NotBranchError,
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                           DivergedBranches, LockError, UnlistableStore,
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                           UnlistableBranch, NoSuchFile, NotVersionedError)
 
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                           UnlistableBranch, NoSuchFile, NotVersionedError,
 
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                           NoWorkingTree)
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from bzrlib.textui import show_status
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from bzrlib.revision import (Revision, is_ancestor, get_intervening_revisions,
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                             NULL_REVISION)
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    def __str__(self):
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        return '%s(%r)' % (self.__class__.__name__, self._transport.base)
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    __repr__ = __str__
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    def __del__(self):
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        if self._lock_mode or self._lock:
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            # XXX: This should show something every time, and be suitable for
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        # should never expect their __del__ function to run.
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        if hasattr(self, 'cache_root') and self.cache_root is not None:
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            try:
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                import shutil
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                shutil.rmtree(self.cache_root)
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            except:
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                pass
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    def get_root_id(self):
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        """Return the id of this branches root"""
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        inv = self.read_working_inventory()
 
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        inv = self.get_inventory(self.last_revision())
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        return inv.root.file_id
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    @needs_write_lock
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    def set_root_id(self, file_id):
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        inv = self.read_working_inventory()
 
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        inv = self.working_tree().read_working_inventory()
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        orig_root_id = inv.root.file_id
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        del inv._byid[inv.root.file_id]
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        inv.root.file_id = file_id
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                entry.parent_id = inv.root.file_id
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        self._write_inventory(inv)
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    @needs_read_lock
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    def read_working_inventory(self):
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        """Read the working inventory."""
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        # ElementTree does its own conversion from UTF-8, so open in
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        # binary.
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        f = self.controlfile('inventory', 'rb')
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        return bzrlib.xml5.serializer_v5.read_inventory(f)
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    @needs_write_lock
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    def _write_inventory(self, inv):
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        """Update the working inventory.
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        mutter('wrote working inventory')
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    inventory = property(read_working_inventory, _write_inventory, None,
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                         """Inventory for the working copy.""")
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    @needs_write_lock
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    def add(self, files, ids=None):
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        """Make files versioned.
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        else:
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            assert(len(ids) == len(files))
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        inv = self.read_working_inventory()
 
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        inv = self.working_tree().read_working_inventory()
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        for f,file_id in zip(files, ids):
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            if is_control_file(f):
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                raise BzrError("cannot add control file %s" % quotefn(f))
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            raise BzrError("%r is not present in revision %s" % (file, revno))
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        tree.print_file(file_id)
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    # FIXME: this doesn't need to be a branch method
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    def set_inventory(self, new_inventory_list):
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        from bzrlib.inventory import Inventory, InventoryEntry
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        inv = Inventory(self.get_root_id())
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        for path, file_id, parent, kind in new_inventory_list:
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            name = os.path.basename(path)
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            if name == "":
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                continue
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            # fixme, there should be a factory function inv,add_?? 
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            if kind == 'directory':
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                inv.add(inventory.InventoryDirectory(file_id, name, parent))
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            elif kind == 'file':
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                inv.add(inventory.InventoryFile(file_id, name, parent))
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            elif kind == 'symlink':
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                inv.add(inventory.InventoryLink(file_id, name, parent))
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            else:
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                raise BzrError("unknown kind %r" % kind)
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        self._write_inventory(inv)
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    def unknowns(self):
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        """Return all unknown files.
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        # bzr 0.0.6 and later imposes the constraint that the inventory_id
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        # must be the same as its revision, so this is trivial.
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        if revision_id == None:
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            return Inventory(self.get_root_id())
 
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            # This does not make sense: if there is no revision,
 
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            # then it is the current tree inventory surely ?!
 
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            # and thus get_root_id() is something that looks at the last
 
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            # commit on the branch, and the get_root_id is an inventory check.
 
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            raise NotImplementedError
 
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            # return Inventory(self.get_root_id())
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        else:
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            return self.get_inventory(revision_id)
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        # much more complex to keep consistent than our careful .bzr subset.
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        # instead, we should say that working trees are local only, and optimise
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        # for that.
 
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        if self._transport.base.find('://') != -1:
 
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            raise NoWorkingTree(self.base)
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        return WorkingTree(self.base, branch=self)
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    @needs_write_lock
 
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    def pull(self, source, overwrite=False):
 
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        source.lock_read()
 
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        try:
 
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            try:
 
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                self.update_revisions(source)
 
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            except DivergedBranches:
 
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                if not overwrite:
 
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                    raise
 
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                self.set_revision_history(source.revision_history())
 
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        finally:
 
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            source.unlock()
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    def basis_tree(self):
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        """Return `Tree` object for last revision.
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        from bzrlib.atomicfile import AtomicFile
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        from bzrlib.osutils import backup_file
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        inv = self.read_working_inventory()
 
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        inv = self.working_tree().read_working_inventory()
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        if old_tree is None:
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            old_tree = self.basis_tree()
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        old_inv = old_tree.inventory
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                    raise
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        return None
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    def get_push_location(self):
 
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        """Return the None or the location to push this branch to."""
 
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        config = bzrlib.config.BranchConfig(self)
 
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        push_loc = config.get_user_option('push_location')
 
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        return push_loc
 
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    def set_push_location(self, location):
 
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        """Set a new push location for this branch."""
 
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        config = bzrlib.config.LocationConfig(self.base)
 
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        config.set_user_option('push_location', location)
 
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    @needs_write_lock
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    def set_parent(self, url):
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        # TODO: Maybe delete old location files?