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Viewing changes to bzrlib/upgrade.py

  • Committer: Samuel Bronson
  • Date: 2012-08-30 20:36:18 UTC
  • mto: (6015.57.3 2.4)
  • mto: This revision was merged to the branch mainline in revision 6558.
  • Revision ID: naesten@gmail.com-20120830203618-y2dzw91nqpvpgxvx
Update INSTALL for switch to Python 2.6 and up.

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bzrlib/upgrade.py
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"""bzr upgrade logic."""
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from __future__ import absolute_import
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from bzrlib import (
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    errors,
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    trace,
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    ui,
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    urlutils,
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    )
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from bzrlib.controldir import (
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    ControlDir,
 
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from bzrlib.bzrdir import (
 
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    BzrDir,
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    format_registry,
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    )
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from bzrlib.i18n import gettext
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from bzrlib.remote import RemoteBzrDir
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        if control_dir is not None:
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            self.bzrdir = control_dir
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        else:
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            self.bzrdir = ControlDir.open_unsupported(url)
 
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            self.bzrdir = BzrDir.open_unsupported(url)
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        if isinstance(self.bzrdir, RemoteBzrDir):
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            self.bzrdir._ensure_real()
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            self.bzrdir = self.bzrdir._real_bzrdir
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        try:
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            branch = self.bzrdir.open_branch()
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            if branch.user_url != self.bzrdir.user_url:
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                ui.ui_factory.note(gettext(
 
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                ui.ui_factory.note(
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                    'This is a checkout. The branch (%s) needs to be upgraded'
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                    ' separately.') % (urlutils.unescape_for_display(
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                        branch.user_url, 'utf-8')))
 
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                    ' separately.' % (branch.user_url,))
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            del branch
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        except (errors.NotBranchError, errors.IncompatibleRepositories):
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            # might not be a format we can open without upgrading; see e.g.
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        if not self.bzrdir.needs_format_conversion(format):
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            raise errors.UpToDateFormat(self.bzrdir._format)
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        if not self.bzrdir.can_convert_format():
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            raise errors.BzrError(gettext("cannot upgrade from bzrdir format %s") %
 
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            raise errors.BzrError("cannot upgrade from bzrdir format %s" %
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                           self.bzrdir._format)
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        self.bzrdir.check_conversion_target(format)
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        ui.ui_factory.note(gettext('starting upgrade of %s') % 
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            urlutils.unescape_for_display(self.transport.base, 'utf-8'))
 
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        ui.ui_factory.note('starting upgrade of %s' % self.transport.base)
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        self.backup_oldpath, self.backup_newpath = self.bzrdir.backup_bzrdir()
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        while self.bzrdir.needs_format_conversion(format):
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            converter = self.bzrdir._format.get_converter(format)
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            self.bzrdir = converter.convert(self.bzrdir, None)
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        ui.ui_factory.note(gettext('finished'))
 
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        ui.ui_factory.note('finished')
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    def clean_up(self):
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        """Clean-up after a conversion.
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        transport = self.transport
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        backup_relpath = transport.relpath(self.backup_newpath)
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        child_pb = ui.ui_factory.nested_progress_bar()
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        child_pb.update(gettext('Deleting backup.bzr'))
 
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        child_pb.update('Deleting backup.bzr')
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        try:
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            transport.delete_tree(backup_relpath)
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        finally:
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    :param dry_run: show what would happen but don't actually do any upgrades
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    :return: the list of exceptions encountered
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    """
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    control_dirs = [ControlDir.open_unsupported(url)]
 
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    control_dirs = [BzrDir.open_unsupported(url)]
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    attempted, succeeded, exceptions = smart_upgrade(control_dirs,
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        format, clean_up=clean_up, dry_run=dry_run)
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    if len(attempted) > 1:
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        succeeded_count = len(succeeded)
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        failed_count = attempted_count - succeeded_count
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        ui.ui_factory.note(
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            gettext('\nSUMMARY: {0} upgrades attempted, {1} succeeded,'\
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                    ' {2} failed').format(
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                     attempted_count, succeeded_count, failed_count))
 
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            '\nSUMMARY: %d upgrades attempted, %d succeeded, %d failed'
 
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            % (attempted_count, succeeded_count, failed_count))
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    return exceptions
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    succeeded, exceptions = _convert_items([control_dir], format, clean_up,
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                                           dry_run)
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    if succeeded and dependents:
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        ui.ui_factory.note(gettext('Found %d dependent branches - upgrading ...')
 
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        ui.ui_factory.note('Found %d dependent branches - upgrading ...'
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                           % (len(dependents),))
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        # Convert dependent branches
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        branch_cdirs = [b.bzrdir for b in dependents]
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    succeeded = []
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    exceptions = []
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    child_pb = ui.ui_factory.nested_progress_bar()
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    child_pb.update(gettext('Upgrading bzrdirs'), 0, len(items))
 
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    child_pb.update('Upgrading bzrdirs', 0, len(items))
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    for i, control_dir in enumerate(items):
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        # Do the conversion
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        location = control_dir.root_transport.base
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        bzr_object, bzr_label = _get_object_and_label(control_dir)
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        type_label = label or bzr_label
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        child_pb.update(gettext("Upgrading %s") % (type_label), i+1, len(items))
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        ui.ui_factory.note(gettext('Upgrading {0} {1} ...').format(type_label, 
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            urlutils.unescape_for_display(location, 'utf-8'),))
 
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        child_pb.update("Upgrading %s" % (type_label), i+1, len(items))
 
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        ui.ui_factory.note('Upgrading %s %s ...' % (type_label, location,))
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        try:
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            if not dry_run:
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                cv = Convert(control_dir=control_dir, format=format)
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        except errors.UpToDateFormat, ex:
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            ui.ui_factory.note(str(ex))
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            succeeded.append(control_dir)
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            continue
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        except Exception, ex:
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            trace.warning('conversion error: %s' % ex)
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            exceptions.append(ex)
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        succeeded.append(control_dir)
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        if clean_up:
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            try:
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                ui.ui_factory.note(gettext('Removing backup ...'))
 
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                ui.ui_factory.note('Removing backup ...')
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                if not dry_run:
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                    cv.clean_up()
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            except Exception, ex:
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                trace.warning(gettext('failed to clean-up {0}: {1}') % (location, ex))
 
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                trace.warning('failed to clean-up %s: %s' % (location, ex))
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                exceptions.append(ex)
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    child_pb.finished()