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#! /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 bzrlib.branch
from bzrlib.weave import Weave
from bzrlib.weavefile import write_weave
from bzrlib.progress import ProgressBar
import tempfile
import hotshot, hotshot.stats
import sys
def convert():
WEAVE_NAME = "inventory.weave"
pb = ProgressBar()
wf = Weave()
b = bzrlib.branch.find_branch('.')
parents = set()
revno = 1
rev_history = b.revision_history()
for rev_id in rev_history:
pb.update('converting inventory', revno, len(rev_history))
inv_xml = b.inventory_store[rev_id].readlines()
weave_id = wf.add(parents, inv_xml)
parents = set([weave_id]) # always just one parent
revno += 1
pb.update('write weave', None, None)
write_weave(wf, file(WEAVE_NAME, 'wb'))
pb.clear()
def profile_convert():
prof_f = tempfile.NamedTemporaryFile()
prof = hotshot.Profile(prof_f.name)
prof.runcall(convert)
prof.close()
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)
if '-p' in sys.argv[1:]:
profile_convert()
else:
convert()
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