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#! /usr/bin/env python
# -*- coding: UTF-8 -*-
# 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
__copyright__ = "Copyright (C) 2005 Canonical Ltd."
__author__ = "Martin Pool <mbp@canonical.com>"
import sys, os, time, socket, stat, codecs
import bzrlib
######################################################################
# messages and logging
## TODO: If --verbose is given then write to both stderr and
## _tracefile; perhaps replace _tracefile with a tee thing.
global _tracefile, _starttime
_tracefile = None
# used to have % (os.environ['USER'], time.time(), os.getpid()), 'w')
_starttime = None
# If false, notes also go to stdout; should replace this with --silent
# at some point.
silent = False
# TODO: Somehow tie this to the --verbose option?
verbose = False
# fix this if we ever fork within python
_mypid = os.getpid()
_logprefix = '[%d] ' % _mypid
def _write_trace(msg):
_tracefile.write(_logprefix + msg + '\n')
def warning(msg):
sys.stderr.write('bzr: warning: ' + msg + '\n')
_write_trace('warning: ' + msg)
mutter = _write_trace
def note(msg):
b = '* ' + str(msg) + '\n'
if not silent:
sys.stderr.write(b)
_write_trace('note: ' + msg)
def log_error(msg):
sys.stderr.write(msg + '\n')
_write_trace(msg)
# TODO: Something to log exceptions in here.
def _rollover_trace_maybe(trace_fname):
try:
size = os.stat(trace_fname)[stat.ST_SIZE]
if size <= 1 << 20:
return
old_fname = trace_fname + '.old'
try:
# must remove before rename on windows
os.remove(old_fname)
except OSError:
pass
try:
# might fail if in use on windows
os.rename(trace_fname, old_fname)
except OSError:
pass
except OSError:
return
def create_tracefile(argv):
# TODO: Also show contents of /etc/lsb-release, if it can be parsed.
# Perhaps that should eventually go into the platform library?
# TODO: If the file doesn't exist, add a note describing it.
# Messages are always written to here, so that we have some
# information if something goes wrong. In a future version this
# file will be removed on successful completion.
global _starttime, _tracefile
_starttime = os.times()[4]
trace_fname = os.path.join(os.path.expanduser('~/.bzr.log'))
_rollover_trace_maybe(trace_fname)
# buffering=1 means line buffered
_tracefile = codecs.open(trace_fname, 'at', 'utf8', buffering=1)
t = _tracefile
if os.fstat(t.fileno())[stat.ST_SIZE] == 0:
t.write("\nthis is a debug log for diagnosing/reporting problems in bzr\n")
t.write("you can delete or truncate this file, or include sections in\n")
t.write("bug reports to bazaar-ng@lists.canonical.com\n\n")
# TODO: If we failed to create the file, perhaps give a warning
# but don't abort; send things to /dev/null instead?
_write_trace('bzr %s invoked on python %s (%s)'
% (bzrlib.__version__,
'.'.join(map(str, sys.version_info)),
sys.platform))
_write_trace(' arguments: %r' % argv)
_write_trace(' working dir: ' + os.getcwdu())
def close_trace():
times = os.times()
mutter("finished, %.3fu/%.3fs cpu, %.3fu/%.3fs cum, %.3f elapsed"
% (times[:4] + ((times[4] - _starttime),)))
def log_exception(e):
import traceback, cStringIO
s = cStringIO.StringIO()
traceback.print_exc(None, s)
for l in s.getvalue().split('\n'):
_write_trace(l)
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