~bzr-pqm/bzr/bzr.dev

#! /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

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

# used to have % (os.environ['USER'], time.time(), os.getpid()), 'w')

# If false, notes also go to stdout; should replace this with --silent

# at some point.

silent = False

verbose = False

def mutter(msg):

    _tracefile.write(msg)

    _tracefile.write('\n')

    _tracefile.flush()

    if verbose:

        sys.stderr.write('- ' + msg + '\n')

def note(msg):

    b = '* ' + str(msg) + '\n'

    if not silent:

        sys.stderr.write(b)

    _tracefile.write(b)

    _tracefile.flush()

def log_error(msg):

    sys.stderr.write(msg)

    _tracefile.write(msg)

    _tracefile.flush()

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]

    _tracefile = file('.bzr.log', 'at')

    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?

    t.write('-' * 60 + '\n')

    t.write('bzr invoked at %s\n' % bzrlib.osutils.format_date(time.time()))

    t.write('  by %s on %s\n' % (bzrlib.osutils.username(), socket.getfqdn()))

    t.write('  arguments: %r\n' % argv)

    import platform

    t.write('  platform: %s\n' % platform.platform())

    t.write('  python: %s\n' % platform.python_version())

    import atexit

    atexit.register(_close_trace)

def _close_trace():

    times = os.times()

    mutter("finished, %.3fu/%.3fs cpu, %.3fu/%.3fs cum, %.3f elapsed"

           % (times[:4] + ((times[4] - _starttime),)))