1
# Copyright (C) 2005-2010 Canonical Ltd
1
# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
14
14
# along with this program; if not, write to the Free Software
15
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
"""Messages and logging.
17
"""Messages and logging for bazaar-ng.
19
19
Messages are supplied by callers as a string-formatting template, plus values
20
20
to be inserted into it. The actual %-formatting is deferred to the log
34
34
Output to stderr depends on the mode chosen by the user. By default, messages
35
35
of info and above are sent out, which results in progress messages such as the
36
list of files processed by add and commit. In debug mode, stderr gets debug messages too.
36
list of files processed by add and commit. In quiet mode, only warnings and
37
above are shown. In debug mode, stderr gets debug messages too.
38
39
Errors that terminate an operation are generally passed back as exceptions;
39
40
others may be just emitted as messages.
113
113
def note(*args, **kwargs):
114
"""Output a note to the user.
116
Takes the same parameters as logging.info.
120
114
# FIXME note always emits utf-8, regardless of the terminal encoding
122
116
# FIXME: clearing the ui and then going through the abstract logging
151
145
_bzr_logger.error(*args, **kwargs)
154
def show_error(*args, **kwargs):
155
149
"""Show an error message to the user.
157
151
Don't use this for exceptions, use report_exception instead.
244
238
This sets the global _bzr_log_filename.
246
240
global _bzr_log_filename
248
def _open_or_create_log_file(filename):
249
"""Open existing log file, or create with ownership and permissions
251
It inherits the ownership and permissions (masked by umask) from
252
the containing directory to cope better with being run under sudo
253
with $HOME still set to the user's homedir.
255
flags = os.O_WRONLY | os.O_APPEND | osutils.O_TEXT
258
fd = os.open(filename, flags)
261
if e.errno != errno.ENOENT:
264
fd = os.open(filename, flags | os.O_CREAT | os.O_EXCL, 0666)
266
if e.errno != errno.EEXIST:
269
osutils.copy_ownership_from_path(filename)
271
return os.fdopen(fd, 'at', 0) # unbuffered
274
241
_bzr_log_filename = _get_bzr_log_filename()
275
242
_rollover_trace_maybe(_bzr_log_filename)
277
bzr_log_file = _open_or_create_log_file(_bzr_log_filename)
244
bzr_log_file = open(_bzr_log_filename, 'at', buffering=0) # unbuffered
245
# bzr_log_file.tell() on windows always return 0 until some writing done
278
246
bzr_log_file.write('\n')
279
247
if bzr_log_file.tell() <= 2:
280
248
bzr_log_file.write("this is a debug log for diagnosing/reporting problems in bzr\n")
281
249
bzr_log_file.write("you can delete or truncate this file, or include sections in\n")
282
250
bzr_log_file.write("bug reports to https://bugs.launchpad.net/bzr/+filebug\n\n")
284
251
return bzr_log_file
286
except EnvironmentError, e:
287
# If we are failing to open the log, then most likely logging has not
288
# been set up yet. So we just write to stderr rather than using
289
# 'warning()'. If we using warning(), users get the unhelpful 'no
290
# handlers registered for "bzr"' when something goes wrong on the
291
# server. (bug #503886)
292
sys.stderr.write("failed to open trace file: %s\n" % (e,))
253
warning("failed to open trace file: %s" % (e))
293
254
# TODO: What should happen if we fail to open the trace file? Maybe the
294
255
# objects should be pointed at /dev/null or the equivalent? Currently
295
256
# returns None which will cause failures later.
535
496
"""Report an exception that probably indicates a bug in bzr"""
536
497
from bzrlib.crash import report_bug
537
498
report_bug(exc_info, err_file)
540
def _flush_stdout_stderr():
541
# installed into an atexit hook by bzrlib.initialize()
547
if e.errno in [errno.EINVAL, errno.EPIPE]:
554
# run from atexit hook
added
removed
bzrlib/trace.py
