~bzr-pqm/bzr/bzr.dev

#! /usr/bin/python

# Copyright (C) 2005 Canonical Ltd

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Experiment in converting existing bzr branches to weaves."""

import bzrlib.branch

from weave import Weave

from weavefile import write_weave

import tempfile

import hotshot

def convert():

    WEAVE_NAME = "inventory.weave"

    wf = Weave()

    b = bzrlib.branch.find_branch('.')

    print 'converting...'

    parents = set()

    revno = 1

    for rev_id in b.revision_history():

        print revno

        inv_xml = b.inventory_store[rev_id].readlines()

        weave_id = wf.add(parents, inv_xml)

        parents.add(weave_id)

        revno += 1

    write_weave(wf, file(WEAVE_NAME, 'wb'))

prof_f = tempfile.NamedTemporaryFile()

prof = hotshot.Profile(prof_f.name)

prof.runcall(convert) 

prof.close()

import hotshot.stats

stats = hotshot.stats.load(prof_f.name)

#stats.strip_dirs()

stats.sort_stats('time')

## XXX: Might like to write to stderr or the trace file instead but

## print_stats seems hardcoded to stdout

stats.print_stats(20)