/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to patience-test.py

merge from bzr.dev

Show diffs side-by-side

added added

removed removed

Lines of Context:
patience-test.py
 
1
#!/usr/bin/env python2.4
 
2
# Copyright (C) 2006 by Canonical Ltd
 
3
#
 
4
# This program is free software; you can redistribute it and/or modify
 
5
# it under the terms of the GNU General Public License as published by
 
6
# the Free Software Foundation; either version 2 of the License, or
 
7
# (at your option) any later version.
 
8
#
 
9
# This program is distributed in the hope that it will be useful,
 
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
12
# GNU General Public License for more details.
 
13
#
 
14
# You should have received a copy of the GNU General Public License
 
15
# along with this program; if not, write to the Free Software
 
16
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
17
 
 
18
import difflib
 
19
from StringIO import StringIO
 
20
from subprocess import Popen, PIPE
 
21
from tempfile import mkdtemp
 
22
 
 
23
from bzrlib.branch import Branch
 
24
import bzrlib.patiencediff
 
25
from bzrlib.diff import internal_diff
 
26
from bzrlib.osutils import pathjoin
 
27
 
 
28
 
 
29
def patch(path, patch_lines):
 
30
    """Apply a patch to a branch, using patch(1).  URLs may be used."""
 
31
    cmd = ['patch', '--quiet', path]
 
32
    r = 0
 
33
    child_proc = Popen(cmd, stdin=PIPE)
 
34
    for line in patch_lines:
 
35
        child_proc.stdin.write(line)
 
36
    child_proc.stdin.close()
 
37
    r = child_proc.wait()
 
38
    return r
 
39
 
 
40
 
 
41
old_total = 0
 
42
new_total = 0
 
43
b = Branch.open_containing('.')[0]
 
44
repo = b.repository
 
45
repo.lock_write()
 
46
try:
 
47
    temp_dir = mkdtemp()
 
48
    transaction = repo.get_transaction()
 
49
    file_list = list(repo.text_store)
 
50
    for i, file_id in enumerate(file_list):
 
51
        print "%.2f%% %d of %d %s" % ((float(i)/len(file_list) * 100), i,
 
52
                                    len(file_list), file_id)
 
53
        versioned_file = repo.text_store.get_weave(file_id, transaction)
 
54
        last_id = None
 
55
        for revision_id in versioned_file.versions():
 
56
            if last_id != None:
 
57
                old_lines = versioned_file.get_lines(last_id)
 
58
                new_lines = versioned_file.get_lines(revision_id)
 
59
                if ''.join(old_lines) == ''.join(new_lines):
 
60
                    continue
 
61
 
 
62
                new_patch = StringIO()
 
63
                try:
 
64
                    internal_diff('old', old_lines, 'new', new_lines, new_patch,
 
65
                        sequence_matcher=bzrlib.patiencediff.PatienceSequenceMatcher)
 
66
                except:
 
67
                    file(pathjoin(temp_dir, 'old'), 
 
68
                         'wb').write(''.join(old_lines))
 
69
                    file(pathjoin(temp_dir, 'new'), 
 
70
                         'wb').write(''.join(new_lines))
 
71
                    print "temp dir is %s" % temp_dir
 
72
                    raise
 
73
                old_patch = StringIO()
 
74
                internal_diff('old', old_lines, 'new', new_lines, old_patch,
 
75
                              sequence_matcher=difflib.SequenceMatcher)
 
76
                old_total += len(old_patch.getvalue())
 
77
                new_total += len(new_patch.getvalue())
 
78
                new_patch.seek(0)
 
79
                file_path = pathjoin(temp_dir, 'file')
 
80
                orig_file = file(file_path, 'wb')
 
81
                for line in old_lines:
 
82
                    orig_file.write(line)
 
83
                orig_file.close()
 
84
                patch(file_path, new_patch)
 
85
                new_file = file(file_path, 'rb')
 
86
                assert list(new_file) == new_lines
 
87
            last_id = revision_id
 
88
    print old_total, new_total
 
89
finally:
 
90
    repo.unlock()