209
133
if size <= 4 << 20:
211
135
old_fname = trace_fname + '.old'
212
osutils.rename(trace_fname, old_fname)
136
from osutils import rename
137
rename(trace_fname, old_fname)
217
def _get_bzr_log_filename():
218
bzr_log = os.environ.get('BZR_LOG')
221
home = os.environ.get('BZR_HOME')
223
if sys.platform == 'win32':
224
from bzrlib import win32utils
225
home = win32utils.get_home_location()
227
home = os.path.expanduser('~')
228
return os.path.join(home, '.bzr.log')
232
"""Open the .bzr.log trace file.
234
If the log is more than a particular length, the old file is renamed to
235
.bzr.log.old and a new file is started. Otherwise, we append to the
238
This sets the global _bzr_log_filename.
240
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
_bzr_log_filename = _get_bzr_log_filename()
269
_rollover_trace_maybe(_bzr_log_filename)
142
def open_tracefile(tracefilename='~/.bzr.log'):
143
# Messages are always written to here, so that we have some
144
# information if something goes wrong. In a future version this
145
# file will be removed on successful completion.
146
global _file_handler, _bzr_log_file
149
trace_fname = os.path.join(os.path.expanduser(tracefilename))
150
_rollover_trace_maybe(trace_fname)
271
bzr_log_file = _open_or_create_log_file(_bzr_log_filename)
272
bzr_log_file.write('\n')
273
if bzr_log_file.tell() <= 2:
274
bzr_log_file.write("this is a debug log for diagnosing/reporting problems in bzr\n")
275
bzr_log_file.write("you can delete or truncate this file, or include sections in\n")
276
bzr_log_file.write("bug reports to https://bugs.launchpad.net/bzr/+filebug\n\n")
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,))
287
# TODO: What should happen if we fail to open the trace file? Maybe the
288
# objects should be pointed at /dev/null or the equivalent? Currently
289
# returns None which will cause failures later.
293
def enable_default_logging():
294
"""Configure default logging: messages to stderr and debug to .bzr.log
296
This should only be called once per process.
298
Non-command-line programs embedding bzrlib do not need to call this. They
299
can instead either pass a file to _push_log_file, or act directly on
300
logging.getLogger("bzr").
302
Output can be redirected away by calling _push_log_file.
304
# Do this before we open the log file, so we prevent
305
# get_terminal_encoding() from mutter()ing multiple times
306
term_encoding = osutils.get_terminal_encoding()
307
start_time = osutils.format_local_date(_bzr_log_start_time,
309
# create encoded wrapper around stderr
310
bzr_log_file = _open_bzr_log()
311
if bzr_log_file is not None:
312
bzr_log_file.write(start_time.encode('utf-8') + '\n')
313
push_log_file(bzr_log_file,
314
r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s',
315
r'%Y-%m-%d %H:%M:%S')
316
# after hooking output into bzr_log, we also need to attach a stderr
317
# handler, writing only at level info and with encoding
318
writer_factory = codecs.getwriter(term_encoding)
319
encoded_stderr = writer_factory(sys.stderr, errors='replace')
320
stderr_handler = logging.StreamHandler(encoded_stderr)
321
stderr_handler.setLevel(logging.INFO)
322
logging.getLogger('bzr').addHandler(stderr_handler)
325
def push_log_file(to_file, log_format=None, date_format=None):
326
"""Intercept log and trace messages and send them to a file.
328
:param to_file: A file-like object to which messages will be sent.
330
:returns: A memento that should be passed to _pop_log_file to restore the
331
previously active logging.
335
new_handler = logging.StreamHandler(to_file)
336
new_handler.setLevel(logging.DEBUG)
337
if log_format is None:
338
log_format = '%(levelname)8s %(message)s'
339
new_handler.setFormatter(logging.Formatter(log_format, date_format))
340
# save and remove any existing log handlers
341
bzr_logger = logging.getLogger('bzr')
342
old_handlers = bzr_logger.handlers[:]
343
del bzr_logger.handlers[:]
344
# set that as the default logger
345
bzr_logger.addHandler(new_handler)
346
bzr_logger.setLevel(logging.DEBUG)
347
# TODO: check if any changes are needed to the root logger
349
# TODO: also probably need to save and restore the level on bzr_logger.
350
# but maybe we can avoid setting the logger level altogether, and just set
351
# the level on the handler?
353
# save the old trace file
354
old_trace_file = _trace_file
355
# send traces to the new one
356
_trace_file = to_file
357
result = new_handler, _trace_file
358
return ('log_memento', old_handlers, new_handler, old_trace_file, to_file)
361
def pop_log_file((magic, old_handlers, new_handler, old_trace_file, new_trace_file)):
362
"""Undo changes to logging/tracing done by _push_log_file.
364
This flushes, but does not close the trace file.
366
Takes the memento returned from _push_log_file."""
368
_trace_file = old_trace_file
369
bzr_logger = logging.getLogger('bzr')
370
bzr_logger.removeHandler(new_handler)
371
# must be closed, otherwise logging will try to close it atexit, and the
372
# file will likely already be closed underneath.
374
bzr_logger.handlers = old_handlers
375
new_trace_file.flush()
153
#tf = codecs.open(trace_fname, 'at', 'utf8', buffering=LINE_BUFFERED)
154
tf = open(trace_fname, 'at', LINE_BUFFERED)
157
tf.write("\nthis is a debug log for diagnosing/reporting problems in bzr\n")
158
tf.write("you can delete or truncate this file, or include sections in\n")
159
tf.write("bug reports to bazaar-ng@lists.canonical.com\n\n")
160
_file_handler = logging.StreamHandler(tf)
161
fmt = r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s'
162
datefmt = r'%a %H:%M:%S'
163
_file_handler.setFormatter(logging.Formatter(fmt, datefmt))
164
_file_handler.setLevel(logging.DEBUG)
165
logging.getLogger('').addHandler(_file_handler)
167
warning("failed to open trace file: %s" % (e))
170
@deprecated_function(zero_nine)
171
def log_exception(msg=None):
172
"""Log the last exception to stderr and the trace file.
174
The exception string representation is used as the error
175
summary, unless msg is given.
179
log_exception_quietly()
378
182
def log_exception_quietly():
379
183
"""Log the last exception to the trace file only.
381
Used for exceptions that occur internally and that may be
382
interesting to developers but not to users. For example,
185
Used for exceptions that occur internally and that may be
186
interesting to developers but not to users. For example,
383
187
errors loading plugins.
385
190
mutter(traceback.format_exc())
388
def set_verbosity_level(level):
389
"""Set the verbosity level.
391
:param level: -ve for quiet, 0 for normal, +ve for verbose
393
global _verbosity_level
394
_verbosity_level = level
395
_update_logging_level(level < 0)
396
ui.ui_factory.be_quiet(level < 0)
399
def get_verbosity_level():
400
"""Get the verbosity level.
402
See set_verbosity_level() for values.
404
return _verbosity_level
193
def enable_default_logging():
194
"""Configure default logging to stderr and .bzr.log"""
195
# FIXME: if this is run twice, things get confused
196
global _stderr_handler, _file_handler, _trace_file, _bzr_log_file
197
_stderr_handler = logging.StreamHandler()
198
logging.getLogger('').addHandler(_stderr_handler)
199
_stderr_handler.setLevel(logging.INFO)
200
if not _file_handler:
202
_trace_file = _bzr_log_file
204
_file_handler.setLevel(logging.DEBUG)
205
_bzr_logger.setLevel(logging.DEBUG)
407
208
def be_quiet(quiet=True):
409
set_verbosity_level(-1)
411
set_verbosity_level(0)
414
def _update_logging_level(quiet=True):
415
"""Hide INFO messages if quiet."""
417
_bzr_logger.setLevel(logging.WARNING)
419
_bzr_logger.setLevel(logging.INFO)
209
global _stderr_handler, _stderr_quiet
211
_stderr_quiet = quiet
213
_stderr_handler.setLevel(logging.WARNING)
215
_stderr_handler.setLevel(logging.INFO)
423
"""Is the verbosity level negative?"""
424
return _verbosity_level < 0
428
"""Is the verbosity level positive?"""
429
return _verbosity_level > 0
432
def debug_memory(message='', short=True):
433
"""Write out a memory dump."""
434
if sys.platform == 'win32':
435
from bzrlib import win32utils
436
win32utils.debug_memory_win32api(message=message, short=short)
438
_debug_memory_proc(message=message, short=short)
441
_short_fields = ('VmPeak', 'VmSize', 'VmRSS')
443
def _debug_memory_proc(message='', short=True):
445
status_file = file('/proc/%s/status' % os.getpid(), 'rb')
449
status = status_file.read()
454
for line in status.splitlines():
458
for field in _short_fields:
459
if line.startswith(field):
223
def disable_default_logging():
224
"""Turn off default log handlers.
226
This is intended to be used by the test framework, which doesn't
227
want leakage from the code-under-test into the main logs.
230
l = logging.getLogger('')
231
l.removeHandler(_stderr_handler)
233
l.removeHandler(_file_handler)
237
def enable_test_log(to_file):
238
"""Redirect logging to a temporary file for a test
240
returns an opaque reference that should be passed to disable_test_log
241
after the test completes.
243
disable_default_logging()
246
hdlr = logging.StreamHandler(to_file)
247
hdlr.setLevel(logging.DEBUG)
248
hdlr.setFormatter(logging.Formatter('%(levelname)8s %(message)s'))
249
_bzr_logger.addHandler(hdlr)
250
_bzr_logger.setLevel(logging.DEBUG)
251
result = hdlr, _trace_file, _trace_depth
252
_trace_file = to_file
257
def disable_test_log((test_log_hdlr, old_trace_file, old_trace_depth)):
258
_bzr_logger.removeHandler(test_log_hdlr)
259
test_log_hdlr.close()
262
_trace_file = old_trace_file
263
_trace_depth = old_trace_depth
265
enable_default_logging()
464
268
def report_exception(exc_info, err_file):
465
"""Report an exception to err_file (typically stderr) and to .bzr.log.
467
This will show either a full traceback or a short message as appropriate.
469
:return: The appropriate exit code for this error.
269
exc_type, exc_object, exc_tb = exc_info
471
270
# Log the full traceback to ~/.bzr.log
472
271
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
272
if (isinstance(exc_object, IOError)
478
273
and getattr(exc_object, 'errno', None) == errno.EPIPE):
479
err_file.write("bzr: broken pipe\n")
480
return errors.EXIT_ERROR
274
print >>err_file, "bzr: broken pipe"
481
275
elif isinstance(exc_object, KeyboardInterrupt):
482
err_file.write("bzr: interrupted\n")
483
return errors.EXIT_ERROR
484
elif isinstance(exc_object, MemoryError):
485
err_file.write("bzr: out of memory\n")
486
return errors.EXIT_ERROR
487
elif isinstance(exc_object, ImportError) \
488
and str(exc_object).startswith("No module named "):
489
report_user_error(exc_info, err_file,
490
'You may need to install this Python library separately.')
491
return errors.EXIT_ERROR
276
print >>err_file, "bzr: interrupted"
492
277
elif not getattr(exc_object, 'internal_error', True):
493
278
report_user_error(exc_info, err_file)
494
return errors.EXIT_ERROR
495
279
elif isinstance(exc_object, (OSError, IOError)):
496
280
# Might be nice to catch all of these and show them as something more
497
281
# specific, but there are too many cases at the moment.
498
282
report_user_error(exc_info, err_file)
499
return errors.EXIT_ERROR
501
report_bug(exc_info, err_file)
502
return errors.EXIT_INTERNAL_ERROR
505
def print_exception(exc_info, err_file):
506
exc_type, exc_object, exc_tb = exc_info
507
err_file.write("bzr: ERROR: %s.%s: %s\n" % (
508
exc_type.__module__, exc_type.__name__, exc_object))
510
traceback.print_exception(exc_type, exc_object, exc_tb, file=err_file)
284
return report_bug(exc_info, err_file)
513
287
# TODO: Should these be specially encoding the output?
514
def report_user_error(exc_info, err_file, advice=None):
288
def report_user_error(exc_info, err_file):
515
289
"""Report to err_file an error that's not an internal error.
517
291
These don't get a traceback unless -Derror was given.
519
:param exc_info: 3-tuple from sys.exc_info()
520
:param advice: Extra advice to the user to be printed following the
523
err_file.write("bzr: ERROR: %s\n" % (exc_info[1],))
525
err_file.write("%s\n" % (advice,))
293
if 'error' in debug.debug_flags:
294
report_bug(exc_info, err_file)
296
print >>err_file, "bzr: ERROR:", str(exc_info[1])
528
299
def report_bug(exc_info, err_file):
529
300
"""Report an exception that probably indicates a bug in bzr"""
530
from bzrlib.crash import report_bug
531
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
301
# local import because its only needed here, and this is not a loop.
303
# local import because the other functions do it too.
305
# local import due to circular dependency
309
# detect apport presence.
311
import problem_report
313
# not present, dont use it.
316
# policy disabled, or not present, use the old ui.
317
return _old_report_bug(exc_info, err_file)
319
exc_type, exc_object, exc_tb = exc_info
321
"bzr: ERROR: %s.%s: %s\n" % (
322
exc_type.__module__, exc_type.__name__, exc_object)
324
report = problem_report.ProblemReport()
325
report_file, report_filename = tempfile.mkstemp(
326
suffix='.txt', prefix='bzr-crash-', dir='/tmp')
327
python_report_file = os.fdopen(report_file, 'w')
329
report['CommandLine'] = ' '.join(sys.argv)
330
# assume we are packaged as bzr.
331
apport_utils.report_add_package_info(report, 'bzr')
332
report['BzrPlugins'] = ' '.join(bzrlib.plugin.all_plugins())
334
traceback.print_exception(exc_type, exc_object, exc_tb, file=tb_file)
335
report['Traceback'] = tb_file.getvalue()
336
apport_utils.report_add_os_info(report)
337
report.write(python_report_file)
338
# give the user a pretty output.
341
'This is an unexpected error within bzr and we would appreciate a bug report.\n'
343
'bzr has written a crash report file that will assist our debugging of this\n'
346
'This is a plain text file, whose contents you can check if you have privacy\n'
347
'concerns. We gather the package data about bzr, your command line, plugins\n'
348
'And the backtrace from within bzr. If you had a password in the URL you\n'
349
'provided to bzr, you should edit that file to remove the password.\n'
351
'** To file a bug for this please visit our bugtracker at the URL \n'
352
'"https://launchpad.net/products/bzr/+filebug" and report a bug describing\n'
353
'what you were attempting and attach the bzr-crash file mentioned above.\n'
354
'Alternatively you can email bazaar-ng@lists.canonical.com with the same\n'
355
'description and attach the bzr-crash file to the email.\n' %
359
python_report_file.close()
360
return report, report_filename
362
def _old_report_bug(exc_info, err_file):
363
"""Write a synopsis of an exception that is probably a bug to err_file."""
365
exc_type, exc_object, exc_tb = exc_info
366
print >>err_file, "bzr: ERROR: %s.%s: %s" % (
367
exc_type.__module__, exc_type.__name__, exc_object)
369
traceback.print_exception(exc_type, exc_object, exc_tb, file=err_file)
371
print >>err_file, 'bzr %s on python %s (%s)' % \
373
'.'.join(map(str, sys.version_info)),
375
print >>err_file, 'arguments: %r' % sys.argv
377
print >>err_file, "** please send this report to bazaar-ng@lists.ubuntu.com"