~bzr-pqm/bzr/bzr.dev

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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
#! /usr/bin/env python

# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 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

"""Bazaar -- a free distributed version-control tool"""

import os
import sys
import warnings

# update this on each release
_script_version = (2, 4, 0)

try:
    version_info = sys.version_info
except AttributeError:
    version_info = 1, 5 # 1.5 or older

REINVOKE = "__BZR_REINVOKE"
NEED_VERS = (2, 4)
KNOWN_PYTHONS = ('python2.4', 'python2.5', 'python2.6')

if version_info < NEED_VERS:
    if not os.environ.has_key(REINVOKE):
        # mutating os.environ doesn't work in old Pythons
        os.putenv(REINVOKE, "1")
        for python in KNOWN_PYTHONS:
            try:
                os.execvp(python, [python] + sys.argv)
            except OSError:
                pass
    sys.stderr.write("bzr: error: cannot find a suitable python interpreter\n")
    sys.stderr.write("  (need %d.%d or later)\n" % NEED_VERS)
    sys.exit(1)
if hasattr(os, "unsetenv"):
    os.unsetenv(REINVOKE)


profiling = False
if '--profile-imports' in sys.argv:
    import profile_imports
    profile_imports.install()
    profiling = True

if sys.platform == 'darwin':
    # jameinel says this hack is to force python to honor the LANG setting,
    # even on Darwin.  Otherwise it is apparently hardcoded to Mac-Roman,
    # which is incorrect for the normal Terminal.app which wants UTF-8.
    #
    # "It might be that I should be setting the "system locale" somewhere else
    # on the system, rather than setting LANG=en_US.UTF-8 in .bashrc.
    # Switching to 'posix' and setting LANG worked for me."
    #
    # So we can remove this if someone works out the right way to tell Mac
    # Python which encoding to use.  -- mbp 20080703
    sys.platform = 'posix'
    try:
        import locale
    finally:
        sys.platform = 'darwin'
else:
    import locale

if os.name == "posix":
    try:
        locale.setlocale(locale.LC_ALL, '')
    except locale.Error, e:
        sys.stderr.write('bzr: warning: %s\n'
            '  bzr could not set the application locale.\n'
            '  Although this should be no problem for bzr itself, it might\n'
            '  cause problems with some plugins. To investigate the issue,\n'
            '  look at the output of the locale(1p) tool.\n' % e)


# The python2.6 release includes some libraries that have deprecation warnings
# against the interpreter - see https://bugs.launchpad.net/bzr/+bug/387139
warnings.filterwarnings('ignore',
    r"(struct integer overflow masking is deprecated|"
    r"'L' format requires 0 <= number <= 4294967295)",
    DeprecationWarning,
    'gzip',
    )


# instruct bzrlib/__init__.py to install lazy_regex
sys._bzr_lazy_regex = True
try:
    import bzrlib
except ImportError, e:
    sys.stderr.write("bzr: ERROR: "
        "Couldn't import bzrlib and dependencies.\n"
        "Please check the directory containing bzrlib is on your PYTHONPATH.\n"
        "\n")
    raise

if bzrlib.version_info[:3] != _script_version:
    sys.stderr.write("bzr: WARNING: bzrlib version doesn't match the bzr program.\n"
            "This may indicate an installation problem.\n"
            "bzrlib from %s is version %r\n"
            % (bzrlib.__path__, bzrlib.version_info))

import bzrlib.inspect_for_copy
bzrlib.inspect_for_copy.import_copy_with_hacked_inspect()

import bzrlib.breakin
bzrlib.breakin.hook_debugger_to_signal()

import bzrlib.decorators
if ('--lsprof' in sys.argv
    or '--lsprof-file' in sys.argv
    or '--profile' in sys.argv
    or '--lsprof-timed' in sys.argv):
    bzrlib.decorators.use_pretty_decorators()
else:
    bzrlib.decorators.use_fast_decorators()

import bzrlib.commands
import bzrlib.trace


if __name__ == '__main__':
    library_state = bzrlib.initialize()
    library_state.__enter__()
    try:
        exit_val = bzrlib.commands.main()
        if profiling:
            profile_imports.log_stack_info(sys.stderr)
    finally:
        library_state.__exit__(None, None, None)

    # By this point we really have completed everything we want to do, and
    # there's no point doing any additional cleanup.  Abruptly exiting here
    # stops any background threads getting into trouble as code is unloaded,
    # and it may also be slightly faster, through avoiding gc of objects that
    # are just about to be discarded anyhow.  This does mean that atexit hooks
    # won't run but we don't use them.  Also file buffers won't be flushed,
    # but our policy is to always close files from a finally block. -- mbp 20070215
    sys.exitfunc()
    os._exit(exit_val)
else:
    raise ImportError("The bzr script cannot be imported.")