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# Copyright (C) 2005 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Weave algorithms benchmark"""
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from bzrlib.weave import Weave
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from bzrlib.weavefile import write_weave
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from bzrlib.progress import ProgressBar
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from random import randrange, randint, seed
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import hotshot, hotshot.stats
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WEAVE_NAME = "bench.weave"
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pb = ProgressBar(show_eta=False)
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for i in xrange(NUM_REVS):
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pb.update('building', i, NUM_REVS)
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for j in range(randint(0, 4)):
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o = randint(0, len(lines))
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lines.insert(o, "new in version %i\n" % i)
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for j in range(randint(0, 2)):
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del lines[randrange(0, len(lines))]
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rev_id = wf.add("%s" % i, parents, lines)
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write_weave(wf, file(WEAVE_NAME, 'wb'))
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# rev_history = b.revision_history()
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# for rev_id in rev_history:
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# pb.update('converting inventory', revno, len(rev_history))
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# inv_xml = b.inventory_store[rev_id].readlines()
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# weave_id = wf.add(parents, inv_xml)
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# parents = set([weave_id]) # always just one parent
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# pb.update('write weave', None, None)
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# write_weave(wf, file(WEAVE_NAME, 'wb'))
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prof_f = tempfile.NamedTemporaryFile()
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prof = hotshot.Profile(prof_f.name)
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stats = hotshot.stats.load(prof_f.name)
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stats.sort_stats('time')
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## XXX: Might like to write to stderr or the trace file instead but
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## print_stats seems hardcoded to stdout
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if '-p' in sys.argv[1:]:
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NUM_REVS = int(sys.argv[1])