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# 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>"
"""Messages and logging for bazaar-ng
Nothing is actually logged unless you call bzrlib.open_tracefile().
"""
import sys, os
######################################################################
# messages and logging
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
# fix this if we ever fork within python
_mypid = os.getpid()
_logprefix = '[%d] ' % _mypid
def _write_trace(msg):
if _tracefile:
_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)
def _rollover_trace_maybe(trace_fname):
import stat
try:
size = os.stat(trace_fname)[stat.ST_SIZE]
if size <= 4 << 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 open_tracefile(argv=[], tracefilename='~/.bzr.log'):
# 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
import stat, codecs
_starttime = os.times()[4]
trace_fname = os.path.join(os.path.expanduser(tracefilename))
_rollover_trace_maybe(trace_fname)
# buffering=1 means line buffered
try:
_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")
import bzrlib
_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())
except IOError, e:
warning("failed to open trace file: %s" % (e))
def close_trace():
times = os.times()
mutter("finished, %.3fu/%.3fs cpu, %.3fu/%.3fs cum, %.3f elapsed"
% (times[:4] + ((times[4] - _starttime),)))
def log_exception():
"""Log the last exception into the trace file."""
import cgitb
s = cgitb.text(sys.exc_info())
for l in s.split('\n'):
_write_trace(l)
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