1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
#! /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)
|