1
# Copyright (C) 2005-2010 Canonical Ltd
1
# Copyright (C) 2005, 2006, 2007, 2008 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.
127
122
_bzr_logger.warning(*args, **kwargs)
130
@deprecated_function(deprecated_in((2, 1, 0)))
131
def info(*args, **kwargs):
132
"""Deprecated: use trace.note instead."""
133
note(*args, **kwargs)
136
@deprecated_function(deprecated_in((2, 1, 0)))
137
def log_error(*args, **kwargs):
138
"""Deprecated: use bzrlib.trace.show_error instead"""
139
_bzr_logger.error(*args, **kwargs)
142
@deprecated_function(deprecated_in((2, 1, 0)))
143
def error(*args, **kwargs):
144
"""Deprecated: use bzrlib.trace.show_error instead"""
145
_bzr_logger.error(*args, **kwargs)
148
def show_error(*args, **kwargs):
149
"""Show an error message to the user.
151
Don't use this for exceptions, use report_exception instead.
153
_bzr_logger.error(*args, **kwargs)
125
# configure convenient aliases for output routines
127
# TODO: deprecate them, have one name for each.
129
error = _bzr_logger.error
132
_last_mutter_flush_time = None
156
134
def mutter(fmt, *args):
135
global _last_mutter_flush_time
157
136
if _trace_file is None:
159
# XXX: Don't check this every time; instead anyone who closes the file
160
# ought to deregister it. We can tolerate None.
161
138
if (getattr(_trace_file, 'closed', None) is not None) and _trace_file.closed:
180
157
timestamp = '%0.3f ' % (now - _bzr_log_start_time,)
181
158
out = timestamp + out + '\n'
182
159
_trace_file.write(out)
183
# there's no explicit flushing; the file is typically line buffered.
160
# We flush if we haven't flushed for a few seconds. We don't want to flush
161
# on every mutter, but when a command takes a while, it can be nice to see
162
# updates in the debug log.
163
if (_last_mutter_flush_time is None
164
or (now - _last_mutter_flush_time) > 2.0):
165
flush = getattr(_trace_file, 'flush', None)
166
if flush is not None:
168
_last_mutter_flush_time = now
186
171
def mutter_callsite(stacklevel, fmt, *args):
238
223
This sets the global _bzr_log_filename.
240
225
global _bzr_log_filename
242
def _open_or_create_log_file(filename):
243
"""Open existing log file, or create with ownership and permissions
245
It inherits the ownership and permissions (masked by umask) from
246
the containing directory to cope better with being run under sudo
247
with $HOME still set to the user's homedir.
249
flags = os.O_WRONLY | os.O_APPEND | osutils.O_TEXT
252
fd = os.open(filename, flags)
255
if e.errno != errno.ENOENT:
258
fd = os.open(filename, flags | os.O_CREAT | os.O_EXCL, 0666)
260
if e.errno != errno.EEXIST:
263
osutils.copy_ownership_from_path(filename)
265
return os.fdopen(fd, 'at', 0) # unbuffered
268
226
_bzr_log_filename = _get_bzr_log_filename()
269
227
_rollover_trace_maybe(_bzr_log_filename)
271
bzr_log_file = _open_or_create_log_file(_bzr_log_filename)
229
bzr_log_file = open(_bzr_log_filename, 'at', 1) # line buffered
230
# bzr_log_file.tell() on windows always return 0 until some writing done
272
231
bzr_log_file.write('\n')
273
232
if bzr_log_file.tell() <= 2:
274
233
bzr_log_file.write("this is a debug log for diagnosing/reporting problems in bzr\n")
275
234
bzr_log_file.write("you can delete or truncate this file, or include sections in\n")
276
235
bzr_log_file.write("bug reports to https://bugs.launchpad.net/bzr/+filebug\n\n")
278
236
return bzr_log_file
280
except EnvironmentError, e:
281
# If we are failing to open the log, then most likely logging has not
282
# been set up yet. So we just write to stderr rather than using
283
# 'warning()'. If we using warning(), users get the unhelpful 'no
284
# handlers registered for "bzr"' when something goes wrong on the
285
# server. (bug #503886)
286
sys.stderr.write("failed to open trace file: %s\n" % (e,))
238
warning("failed to open trace file: %s" % (e))
287
239
# TODO: What should happen if we fail to open the trace file? Maybe the
288
240
# objects should be pointed at /dev/null or the equivalent? Currently
289
241
# returns None which will cause failures later.
469
421
:return: The appropriate exit code for this error.
423
exc_type, exc_object, exc_tb = exc_info
471
424
# Log the full traceback to ~/.bzr.log
472
425
log_exception_quietly()
473
if 'error' in debug.debug_flags:
474
print_exception(exc_info, err_file)
475
return errors.EXIT_ERROR
476
exc_type, exc_object, exc_tb = exc_info
477
426
if (isinstance(exc_object, IOError)
478
427
and getattr(exc_object, 'errno', None) == errno.EPIPE):
479
428
err_file.write("bzr: broken pipe\n")
520
469
:param advice: Extra advice to the user to be printed following the
472
if 'error' in debug.debug_flags:
473
print_exception(exc_info, err_file)
523
475
err_file.write("bzr: ERROR: %s\n" % (exc_info[1],))
525
477
err_file.write("%s\n" % (advice,))
529
481
"""Report an exception that probably indicates a bug in bzr"""
530
482
from bzrlib.crash import report_bug
531
483
report_bug(exc_info, err_file)
534
def _flush_stdout_stderr():
535
# installed into an atexit hook by bzrlib.initialize()
541
if e.errno in [errno.EINVAL, errno.EPIPE]:
548
# run from atexit hook
added
removed
bzrlib/trace.py
