13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
132
123
_bzr_logger.warning(*args, **kwargs)
135
@deprecated_function(deprecated_in((2, 1, 0)))
136
def info(*args, **kwargs):
137
"""Deprecated: use trace.note instead."""
138
note(*args, **kwargs)
141
@deprecated_function(deprecated_in((2, 1, 0)))
142
def log_error(*args, **kwargs):
143
"""Deprecated: use bzrlib.trace.show_error instead"""
144
_bzr_logger.error(*args, **kwargs)
147
@deprecated_function(deprecated_in((2, 1, 0)))
148
def error(*args, **kwargs):
149
"""Deprecated: use bzrlib.trace.show_error instead"""
150
_bzr_logger.error(*args, **kwargs)
153
def show_error(*args, **kwargs):
154
"""Show an error message to the user.
156
Don't use this for exceptions, use report_exception instead.
158
_bzr_logger.error(*args, **kwargs)
126
# configure convenient aliases for output routines
128
# TODO: deprecate them, have one name for each.
130
log_error = _bzr_logger.error
131
error = _bzr_logger.error
161
134
def mutter(fmt, *args):
162
135
if _trace_file is None:
164
# XXX: Don't check this every time; instead anyone who closes the file
165
# ought to deregister it. We can tolerate None.
166
137
if (getattr(_trace_file, 'closed', None) is not None) and _trace_file.closed:
222
189
def _get_bzr_log_filename():
223
bzr_log = os.environ.get('BZR_LOG')
226
home = os.environ.get('BZR_HOME')
228
if sys.platform == 'win32':
229
from bzrlib import win32utils
230
home = win32utils.get_home_location()
232
home = os.path.expanduser('~')
190
# TODO: should this be overridden by $BZR_HOME?
191
if sys.platform == 'win32':
192
from bzrlib import win32utils
193
home = win32utils.get_home_location()
195
home = os.path.expanduser('~')
233
196
return os.path.join(home, '.bzr.log')
236
199
def _open_bzr_log():
237
"""Open the .bzr.log trace file.
200
"""Open the .bzr.log trace file.
239
202
If the log is more than a particular length, the old file is renamed to
240
203
.bzr.log.old and a new file is started. Otherwise, we append to the
243
206
This sets the global _bzr_log_filename.
245
208
global _bzr_log_filename
247
def _open_or_create_log_file(filename):
248
"""Open existing log file, or create with ownership and permissions
250
It inherits the ownership and permissions (masked by umask) from
251
the containing directory to cope better with being run under sudo
252
with $HOME still set to the user's homedir.
254
flags = os.O_WRONLY | os.O_APPEND | osutils.O_TEXT
257
fd = os.open(filename, flags)
260
if e.errno != errno.ENOENT:
263
fd = os.open(filename, flags | os.O_CREAT | os.O_EXCL, 0666)
265
if e.errno != errno.EEXIST:
268
osutils.copy_ownership_from_path(filename)
270
return os.fdopen(fd, 'at', 0) # unbuffered
273
209
_bzr_log_filename = _get_bzr_log_filename()
274
210
_rollover_trace_maybe(_bzr_log_filename)
276
bzr_log_file = _open_or_create_log_file(_bzr_log_filename)
212
bzr_log_file = open(_bzr_log_filename, 'at', 1) # line buffered
213
# bzr_log_file.tell() on windows always return 0 until some writing done
277
214
bzr_log_file.write('\n')
278
215
if bzr_log_file.tell() <= 2:
279
216
bzr_log_file.write("this is a debug log for diagnosing/reporting problems in bzr\n")
280
217
bzr_log_file.write("you can delete or truncate this file, or include sections in\n")
281
218
bzr_log_file.write("bug reports to https://bugs.launchpad.net/bzr/+filebug\n\n")
283
219
return bzr_log_file
285
except EnvironmentError, e:
286
# If we are failing to open the log, then most likely logging has not
287
# been set up yet. So we just write to stderr rather than using
288
# 'warning()'. If we using warning(), users get the unhelpful 'no
289
# handlers registered for "bzr"' when something goes wrong on the
290
# server. (bug #503886)
291
sys.stderr.write("failed to open trace file: %s\n" % (e,))
221
warning("failed to open trace file: %s" % (e))
292
222
# TODO: What should happen if we fail to open the trace file? Maybe the
293
223
# objects should be pointed at /dev/null or the equivalent? Currently
294
224
# returns None which will cause failures later.
298
227
def enable_default_logging():
299
228
"""Configure default logging: messages to stderr and debug to .bzr.log
301
230
This should only be called once per process.
303
232
Non-command-line programs embedding bzrlib do not need to call this. They
304
233
can instead either pass a file to _push_log_file, or act directly on
305
234
logging.getLogger("bzr").
307
236
Output can be redirected away by calling _push_log_file.
309
# Do this before we open the log file, so we prevent
310
# get_terminal_encoding() from mutter()ing multiple times
311
term_encoding = osutils.get_terminal_encoding()
312
start_time = osutils.format_local_date(_bzr_log_start_time,
314
238
# create encoded wrapper around stderr
315
239
bzr_log_file = _open_bzr_log()
316
if bzr_log_file is not None:
317
bzr_log_file.write(start_time.encode('utf-8') + '\n')
318
240
push_log_file(bzr_log_file,
319
241
r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s',
320
242
r'%Y-%m-%d %H:%M:%S')
321
243
# after hooking output into bzr_log, we also need to attach a stderr
322
244
# handler, writing only at level info and with encoding
323
writer_factory = codecs.getwriter(term_encoding)
245
writer_factory = codecs.getwriter(osutils.get_terminal_encoding())
324
246
encoded_stderr = writer_factory(sys.stderr, errors='replace')
325
247
stderr_handler = logging.StreamHandler(encoded_stderr)
326
248
stderr_handler.setLevel(logging.INFO)
380
303
new_trace_file.flush()
306
@symbol_versioning.deprecated_function(symbol_versioning.one_two)
307
def enable_test_log(to_file):
308
"""Redirect logging to a temporary file for a test
310
:returns: an opaque reference that should be passed to disable_test_log
311
after the test completes.
313
return push_log_file(to_file)
316
@symbol_versioning.deprecated_function(symbol_versioning.one_two)
317
def disable_test_log(memento):
318
return pop_log_file(memento)
383
321
def log_exception_quietly():
384
322
"""Log the last exception to the trace file only.
386
Used for exceptions that occur internally and that may be
387
interesting to developers but not to users. For example,
324
Used for exceptions that occur internally and that may be
325
interesting to developers but not to users. For example,
388
326
errors loading plugins.
390
328
mutter(traceback.format_exc())
434
372
return _verbosity_level > 0
437
def debug_memory(message='', short=True):
438
"""Write out a memory dump."""
439
if sys.platform == 'win32':
440
from bzrlib import win32utils
441
win32utils.debug_memory_win32api(message=message, short=short)
443
_debug_memory_proc(message=message, short=short)
446
_short_fields = ('VmPeak', 'VmSize', 'VmRSS')
448
def _debug_memory_proc(message='', short=True):
450
status_file = file('/proc/%s/status' % os.getpid(), 'rb')
454
status = status_file.read()
459
for line in status.splitlines():
463
for field in _short_fields:
464
if line.startswith(field):
375
@symbol_versioning.deprecated_function(symbol_versioning.one_two)
376
def disable_default_logging():
377
"""Turn off default log handlers.
379
Don't call this method, use _push_log_file and _pop_log_file instead.
469
384
def report_exception(exc_info, err_file):
474
389
:return: The appropriate exit code for this error.
391
exc_type, exc_object, exc_tb = exc_info
476
392
# Log the full traceback to ~/.bzr.log
477
393
log_exception_quietly()
478
if 'error' in debug.debug_flags:
479
print_exception(exc_info, err_file)
480
return errors.EXIT_ERROR
481
exc_type, exc_object, exc_tb = exc_info
482
394
if (isinstance(exc_object, IOError)
483
395
and getattr(exc_object, 'errno', None) == errno.EPIPE):
484
396
err_file.write("bzr: broken pipe\n")
486
398
elif isinstance(exc_object, KeyboardInterrupt):
487
399
err_file.write("bzr: interrupted\n")
488
400
return errors.EXIT_ERROR
489
elif isinstance(exc_object, MemoryError):
490
err_file.write("bzr: out of memory\n")
491
return errors.EXIT_ERROR
492
elif isinstance(exc_object, ImportError) \
493
and str(exc_object).startswith("No module named "):
494
report_user_error(exc_info, err_file,
495
'You may need to install this Python library separately.')
496
return errors.EXIT_ERROR
497
401
elif not getattr(exc_object, 'internal_error', True):
498
402
report_user_error(exc_info, err_file)
499
403
return errors.EXIT_ERROR
507
411
return errors.EXIT_INTERNAL_ERROR
510
def print_exception(exc_info, err_file):
511
exc_type, exc_object, exc_tb = exc_info
512
err_file.write("bzr: ERROR: %s.%s: %s\n" % (
513
exc_type.__module__, exc_type.__name__, exc_object))
515
traceback.print_exception(exc_type, exc_object, exc_tb, file=err_file)
518
414
# TODO: Should these be specially encoding the output?
519
def report_user_error(exc_info, err_file, advice=None):
415
def report_user_error(exc_info, err_file):
520
416
"""Report to err_file an error that's not an internal error.
522
418
These don't get a traceback unless -Derror was given.
524
:param exc_info: 3-tuple from sys.exc_info()
525
:param advice: Extra advice to the user to be printed following the
420
if 'error' in debug.debug_flags:
421
report_bug(exc_info, err_file)
528
423
err_file.write("bzr: ERROR: %s\n" % (exc_info[1],))
530
err_file.write("%s\n" % (advice,))
533
426
def report_bug(exc_info, err_file):
534
427
"""Report an exception that probably indicates a bug in bzr"""
535
from bzrlib.crash import report_bug
536
report_bug(exc_info, err_file)
539
def _flush_stdout_stderr():
540
# installed into an atexit hook by bzrlib.initialize()
546
if e.errno in [errno.EINVAL, errno.EPIPE]:
553
# run from atexit hook
428
exc_type, exc_object, exc_tb = exc_info
429
err_file.write("bzr: ERROR: %s.%s: %s\n" % (
430
exc_type.__module__, exc_type.__name__, exc_object))
432
traceback.print_exception(exc_type, exc_object, exc_tb, file=err_file)
434
err_file.write('bzr %s on python %s (%s)\n' % \
436
'.'.join(map(str, sys.version_info)),
438
err_file.write('arguments: %r\n' % sys.argv)
440
'encoding: %r, fsenc: %r, lang: %r\n' % (
441
osutils.get_user_encoding(), sys.getfilesystemencoding(),
442
os.environ.get('LANG')))
443
err_file.write("plugins:\n")
444
for name, a_plugin in sorted(plugin.plugins().items()):
445
err_file.write(" %-20s %s [%s]\n" %
446
(name, a_plugin.path(), a_plugin.__version__))
449
*** Bazaar has encountered an internal error.
450
Please report a bug at https://bugs.launchpad.net/bzr/+filebug
451
including this traceback, and a description of what you
452
were doing when the error occurred.