← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to patience-test.py

  • Committer: mbp at sourcefrog
  • Date: 2005-04-06 14:06:32 UTC
  • Revision ID: mbp@sourcefrog.net-20050406140632-b44f572e110216f266a43b71
pychecker fixups

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
 
from bzrlib.patiencediff import SequenceMatcher
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=SequenceMatcher)
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()