← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/version.py

  • Committer: Martin Packman
  • Date: 2011-11-24 17:01:07 UTC
  • mto: This revision was merged to the branch mainline in revision 6304.
  • Revision ID: martin.packman@canonical.com-20111124170107-b3yd5vkzdglmnjk7
Allow a bracketed suffix in option help test

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/version.py
 
1
# Copyright (C) 2006-2010 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Report on version of bzrlib"""
 
18
 
 
19
import os
 
20
import sys
 
21
 
 
22
import bzrlib
 
23
from bzrlib import (
 
24
    config,
 
25
    controldir,
 
26
    errors,
 
27
    osutils,
 
28
    trace,
 
29
    )
 
30
 
 
31
 
 
32
def show_version(show_config=True, show_copyright=True, to_file=None):
 
33
    import platform
 
34
 
 
35
    if to_file is None:
 
36
        to_file = sys.stdout
 
37
    to_file.write("Bazaar (bzr) %s\n" % bzrlib.__version__)
 
38
    # is bzrlib itself in a branch?
 
39
    src_tree = _get_bzr_source_tree()
 
40
    if src_tree:
 
41
        src_revision_id = src_tree.last_revision()
 
42
        revno = src_tree.branch.revision_id_to_revno(src_revision_id)
 
43
        to_file.write("  from bzr checkout %s\n" % (src_tree.basedir,))
 
44
        to_file.write("    revision: %s\n" % (revno,))
 
45
        to_file.write("    revid: %s\n" % (src_revision_id,))
 
46
        to_file.write("    branch nick: %s\n" % (src_tree.branch.nick,))
 
47
 
 
48
    to_file.write("  Python interpreter: ")
 
49
    # show path to python interpreter
 
50
    # (bzr.exe use python interpreter from pythonXY.dll
 
51
    # but sys.executable point to bzr.exe itself)
 
52
    # however, sys.frozen exists if running from bzr.exe
 
53
    # see http://www.py2exe.org/index.cgi/Py2exeEnvironment
 
54
    if getattr(sys, 'frozen', None) is None: # if not bzr.exe
 
55
        to_file.write(sys.executable + ' ')
 
56
    else:
 
57
        # pythonXY.dll
 
58
        basedir = os.path.dirname(sys.executable)
 
59
        python_dll = "python%d%d.dll" % sys.version_info[:2]
 
60
        to_file.write(os.path.join(basedir, python_dll) + ' ')
 
61
    # and now version of python interpreter
 
62
    to_file.write(bzrlib._format_version_tuple(sys.version_info))
 
63
    to_file.write('\n')
 
64
 
 
65
    to_file.write("  Python standard library:" + ' ')
 
66
    to_file.write(os.path.dirname(os.__file__) + '\n')
 
67
    to_file.write("  Platform: %s\n" % platform.platform(aliased=1))
 
68
    to_file.write("  bzrlib: ")
 
69
    if len(bzrlib.__path__) > 1:
 
70
        # print repr, which is a good enough way of making it clear it's
 
71
        # more than one element (eg ['/foo/bar', '/foo/bzr'])
 
72
        to_file.write(repr(bzrlib.__path__) + '\n')
 
73
    else:
 
74
        to_file.write(bzrlib.__path__[0] + '\n')
 
75
    if show_config:
 
76
        config_dir = osutils.normpath(config.config_dir())  # use native slashes
 
77
        if not isinstance(config_dir, unicode):
 
78
            config_dir = config_dir.decode(osutils.get_user_encoding())
 
79
        to_file.write("  Bazaar configuration: %s\n" % (config_dir,))
 
80
        to_file.write("  Bazaar log file: ")
 
81
        to_file.write(trace._bzr_log_filename + '\n')
 
82
    if show_copyright:
 
83
        to_file.write('\n')
 
84
        to_file.write(bzrlib.__copyright__ + '\n')
 
85
        to_file.write("http://bazaar.canonical.com/\n")
 
86
        to_file.write('\n')
 
87
        to_file.write("bzr comes with ABSOLUTELY NO WARRANTY.  bzr is free software, and\n")
 
88
        to_file.write("you may use, modify and redistribute it under the terms of the GNU\n")
 
89
        to_file.write("General Public License version 2 or later.\n")
 
90
        to_file.write("\nBazaar is part of the GNU Project to produce a free operating "
 
91
                "system.\n")
 
92
    to_file.write('\n')
 
93
 
 
94
 
 
95
def _get_bzr_source_tree():
 
96
    """Return the WorkingTree for bzr source, if any.
 
97
 
 
98
    If bzr is not being run from its working tree, returns None.
 
99
    """
 
100
    try:
 
101
        control = controldir.ControlDir.open_containing(__file__)[0]
 
102
        return control.open_workingtree(recommend_upgrade=False)
 
103
    except (errors.NotBranchError, errors.UnknownFormatError,
 
104
            errors.NoWorkingTree):
 
105
        return None