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#! /usr/bin/env python
# Copyright (C) 2005, 2006, 2007, 2008, 2009 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, 0, 7)
if __doc__ is None:
print "bzr does not support python -OO."
sys.exit(2)
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:
sys.argv.remove('--profile-imports')
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
# 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',
)
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,\n'
' it might cause problems with some plugins.\n'
' To investigate the issue, look at the output\n'
' of the locale(1p) tool available on POSIX systems.\n'
% e)
# 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__':
bzrlib.trace.enable_default_logging()
exit_val = bzrlib.commands.main()
if profiling:
profile_imports.log_stack_info(sys.stderr)
# run anything registered by atexit, because it won't be run in the normal
# way
sys.exitfunc()
# 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
try:
sys.stdout.flush()
sys.stderr.flush()
except IOError, e:
import errno
if e.errno in [errno.EINVAL, errno.EPIPE]:
pass
else:
raise
if bzrlib.trace._trace_file:
# this is also _bzr_log
bzrlib.trace._trace_file.flush()
os._exit(exit_val)
else:
raise ImportError("The bzr script cannot be imported.")
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