~bzr-pqm/bzr/bzr.dev

#! /usr/bin/env python

# Copyright (C) 2005-2011 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

from __future__ import absolute_import

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

import os

import sys

import warnings

# update this on each release

_script_version = (2, 5, 0)

NEED_VERS = (2, 6)

if sys.version_info < NEED_VERS:

    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)

profiling = False

if '--profile-imports' in sys.argv:

    import profile_imports

    profile_imports.install()

    profiling = True

if os.name == "posix":

    import locale

    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)

    # Use better default than ascii with posix filesystems that deal in bytes

    # natively even when the C locale or no locale at all is given. Note that

    # we need an immortal string for the hack, hence the lack of a hyphen.

    sys._bzr_default_fs_enc = "utf8"

# 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 is version %s from %s\n"

        "bzr is version %s from %s\n" % (

        bzrlib._format_version_tuple(bzrlib.version_info),

        bzrlib.__path__[0],

        bzrlib._format_version_tuple(_script_version),

        __file__))

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.")