#! /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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA """Experiment in converting existing bzr branches to weaves.""" import sys import bzrlib.branch from bzrlib.weave import Weave from bzrlib.weavefile import write_weave import hotshot import tempfile def convert(): WEAVE_NAME = "test.weave" wf = Weave() toconvert = sys.argv[1] b = bzrlib.branch.find_branch(toconvert) rp = b.relpath(toconvert) print 'converting...' fid = b.read_working_inventory().path2id(rp) last_lines = None parents = set() revno = 0 for rev_id in b.revision_history(): revno += 1 print revno tree = b.revision_tree(rev_id) inv = tree.inventory if fid not in tree: print ' (not present)' continue text = tree.get_file(fid).readlines() if text == last_lines: continue last_lines = text weave_id = wf.add(parents, text) parents = [weave_id] print ' %4d lines' % len(text) 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)