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#! /usr/bin/env python
# Copyright (C) 2005, 2006, 2007, 2008 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Bazaar -- a free distributed version-control tool"""
import os
import sys
# update this on each release
_script_version = (1, 5, 0)
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')
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
try:
import bzrlib
except ImportError, e:
sys.stderr.write("bzr: ERROR: "
"Couldn't import bzrlib and dependencies.\n"
"Please check 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.lazy_regex
bzrlib.lazy_regex.install_lazy_compile()
import bzrlib.breakin
bzrlib.breakin.hook_sigquit()
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(sys.argv)
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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