132
196
if size <= 4 << 20:
134
198
old_fname = trace_fname + '.old'
135
from osutils import rename
136
rename(trace_fname, old_fname)
199
osutils.rename(trace_fname, old_fname)
141
def open_tracefile(tracefilename=None):
142
# Messages are always written to here, so that we have some
143
# information if something goes wrong. In a future version this
144
# file will be removed on successful completion.
145
global _file_handler, _bzr_log_file, _bzr_log_filename
148
if tracefilename is None:
204
def _get_bzr_log_filename():
205
bzr_log = os.environ.get('BZR_LOG')
208
home = os.environ.get('BZR_HOME')
149
210
if sys.platform == 'win32':
150
211
from bzrlib import win32utils
151
212
home = win32utils.get_home_location()
153
214
home = os.path.expanduser('~')
154
_bzr_log_filename = os.path.join(home, '.bzr.log')
156
_bzr_log_filename = os.path.expanduser(_bzr_log_filename)
215
return os.path.join(home, '.bzr.log')
219
"""Open the .bzr.log trace file.
221
If the log is more than a particular length, the old file is renamed to
222
.bzr.log.old and a new file is started. Otherwise, we append to the
225
This sets the global _bzr_log_filename.
227
global _bzr_log_filename
228
_bzr_log_filename = _get_bzr_log_filename()
157
229
_rollover_trace_maybe(_bzr_log_filename)
160
#tf = codecs.open(trace_fname, 'at', 'utf8', buffering=LINE_BUFFERED)
161
tf = open(_bzr_log_filename, 'at', LINE_BUFFERED)
163
# tf.tell() on windows always return 0 until some writing done
166
tf.write("this is a debug log for diagnosing/reporting problems in bzr\n")
167
tf.write("you can delete or truncate this file, or include sections in\n")
168
tf.write("bug reports to bazaar@lists.canonical.com\n\n")
169
_file_handler = logging.StreamHandler(tf)
170
fmt = r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s'
171
datefmt = r'%a %H:%M:%S'
172
_file_handler.setFormatter(logging.Formatter(fmt, datefmt))
173
_file_handler.setLevel(logging.DEBUG)
174
logging.getLogger('').addHandler(_file_handler)
231
bzr_log_file = open(_bzr_log_filename, 'at', 1) # line buffered
232
# bzr_log_file.tell() on windows always return 0 until some writing done
233
bzr_log_file.write('\n')
234
if bzr_log_file.tell() <= 2:
235
bzr_log_file.write("this is a debug log for diagnosing/reporting problems in bzr\n")
236
bzr_log_file.write("you can delete or truncate this file, or include sections in\n")
237
bzr_log_file.write("bug reports to https://bugs.launchpad.net/bzr/+filebug\n\n")
175
239
except IOError, e:
176
240
warning("failed to open trace file: %s" % (e))
179
@deprecated_function(zero_nine)
180
def log_exception(msg=None):
181
"""Log the last exception to stderr and the trace file.
183
The exception string representation is used as the error
184
summary, unless msg is given.
186
Please see log_exception_quietly() for the replacement API.
190
log_exception_quietly()
241
# TODO: What should happen if we fail to open the trace file? Maybe the
242
# objects should be pointed at /dev/null or the equivalent? Currently
243
# returns None which will cause failures later.
247
def enable_default_logging():
248
"""Configure default logging: messages to stderr and debug to .bzr.log
250
This should only be called once per process.
252
Non-command-line programs embedding bzrlib do not need to call this. They
253
can instead either pass a file to _push_log_file, or act directly on
254
logging.getLogger("bzr").
256
Output can be redirected away by calling _push_log_file.
258
# Do this before we open the log file, so we prevent
259
# get_terminal_encoding() from mutter()ing multiple times
260
term_encoding = osutils.get_terminal_encoding()
261
start_time = osutils.format_local_date(_bzr_log_start_time,
263
# create encoded wrapper around stderr
264
bzr_log_file = _open_bzr_log()
265
if bzr_log_file is not None:
266
bzr_log_file.write(start_time.encode('utf-8') + '\n')
267
push_log_file(bzr_log_file,
268
r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s',
269
r'%Y-%m-%d %H:%M:%S')
270
# after hooking output into bzr_log, we also need to attach a stderr
271
# handler, writing only at level info and with encoding
272
writer_factory = codecs.getwriter(term_encoding)
273
encoded_stderr = writer_factory(sys.stderr, errors='replace')
274
stderr_handler = logging.StreamHandler(encoded_stderr)
275
stderr_handler.setLevel(logging.INFO)
276
logging.getLogger('bzr').addHandler(stderr_handler)
279
def push_log_file(to_file, log_format=None, date_format=None):
280
"""Intercept log and trace messages and send them to a file.
282
:param to_file: A file-like object to which messages will be sent.
284
:returns: A memento that should be passed to _pop_log_file to restore the
285
previously active logging.
289
new_handler = logging.StreamHandler(to_file)
290
new_handler.setLevel(logging.DEBUG)
291
if log_format is None:
292
log_format = '%(levelname)8s %(message)s'
293
new_handler.setFormatter(logging.Formatter(log_format, date_format))
294
# save and remove any existing log handlers
295
bzr_logger = logging.getLogger('bzr')
296
old_handlers = bzr_logger.handlers[:]
297
del bzr_logger.handlers[:]
298
# set that as the default logger
299
bzr_logger.addHandler(new_handler)
300
bzr_logger.setLevel(logging.DEBUG)
301
# TODO: check if any changes are needed to the root logger
303
# TODO: also probably need to save and restore the level on bzr_logger.
304
# but maybe we can avoid setting the logger level altogether, and just set
305
# the level on the handler?
307
# save the old trace file
308
old_trace_file = _trace_file
309
# send traces to the new one
310
_trace_file = to_file
311
result = new_handler, _trace_file
312
return ('log_memento', old_handlers, new_handler, old_trace_file, to_file)
315
def pop_log_file((magic, old_handlers, new_handler, old_trace_file, new_trace_file)):
316
"""Undo changes to logging/tracing done by _push_log_file.
318
This flushes, but does not close the trace file.
320
Takes the memento returned from _push_log_file."""
322
_trace_file = old_trace_file
323
bzr_logger = logging.getLogger('bzr')
324
bzr_logger.removeHandler(new_handler)
325
# must be closed, otherwise logging will try to close it atexit, and the
326
# file will likely already be closed underneath.
328
bzr_logger.handlers = old_handlers
329
new_trace_file.flush()
193
332
def log_exception_quietly():
194
333
"""Log the last exception to the trace file only.
196
Used for exceptions that occur internally and that may be
197
interesting to developers but not to users. For example,
335
Used for exceptions that occur internally and that may be
336
interesting to developers but not to users. For example,
198
337
errors loading plugins.
201
339
mutter(traceback.format_exc())
204
def enable_default_logging():
205
"""Configure default logging to stderr and .bzr.log"""
206
# FIXME: if this is run twice, things get confused
207
global _stderr_handler, _file_handler, _trace_file, _bzr_log_file
208
_stderr_handler = logging.StreamHandler()
209
logging.getLogger('').addHandler(_stderr_handler)
210
_stderr_handler.setLevel(logging.INFO)
211
if not _file_handler:
213
_trace_file = _bzr_log_file
215
_file_handler.setLevel(logging.DEBUG)
216
_bzr_logger.setLevel(logging.DEBUG)
342
def set_verbosity_level(level):
343
"""Set the verbosity level.
345
:param level: -ve for quiet, 0 for normal, +ve for verbose
347
global _verbosity_level
348
_verbosity_level = level
349
_update_logging_level(level < 0)
352
def get_verbosity_level():
353
"""Get the verbosity level.
355
See set_verbosity_level() for values.
357
return _verbosity_level
219
360
def be_quiet(quiet=True):
220
global _stderr_handler, _stderr_quiet
222
_stderr_quiet = quiet
224
_stderr_handler.setLevel(logging.WARNING)
226
_stderr_handler.setLevel(logging.INFO)
361
# Perhaps this could be deprecated now ...
363
set_verbosity_level(-1)
365
set_verbosity_level(0)
368
def _update_logging_level(quiet=True):
369
"""Hide INFO messages if quiet."""
371
_bzr_logger.setLevel(logging.WARNING)
373
_bzr_logger.setLevel(logging.INFO)
234
def disable_default_logging():
235
"""Turn off default log handlers.
237
This is intended to be used by the test framework, which doesn't
238
want leakage from the code-under-test into the main logs.
241
l = logging.getLogger('')
242
l.removeHandler(_stderr_handler)
244
l.removeHandler(_file_handler)
248
def enable_test_log(to_file):
249
"""Redirect logging to a temporary file for a test
251
returns an opaque reference that should be passed to disable_test_log
252
after the test completes.
254
disable_default_logging()
257
hdlr = logging.StreamHandler(to_file)
258
hdlr.setLevel(logging.DEBUG)
259
hdlr.setFormatter(logging.Formatter('%(levelname)8s %(message)s'))
260
_bzr_logger.addHandler(hdlr)
261
_bzr_logger.setLevel(logging.DEBUG)
262
result = hdlr, _trace_file, _trace_depth
263
_trace_file = to_file
268
def disable_test_log((test_log_hdlr, old_trace_file, old_trace_depth)):
269
_bzr_logger.removeHandler(test_log_hdlr)
270
test_log_hdlr.close()
273
_trace_file = old_trace_file
274
_trace_depth = old_trace_depth
276
enable_default_logging()
377
"""Is the verbosity level negative?"""
378
return _verbosity_level < 0
382
"""Is the verbosity level positive?"""
383
return _verbosity_level > 0
386
def debug_memory(message='', short=True):
387
"""Write out a memory dump."""
388
if sys.platform == 'win32':
389
from bzrlib import win32utils
390
win32utils.debug_memory_win32api(message=message, short=short)
392
_debug_memory_proc(message=message, short=short)
395
_short_fields = ('VmPeak', 'VmSize', 'VmRSS')
397
def _debug_memory_proc(message='', short=True):
399
status_file = file('/proc/%s/status' % os.getpid(), 'rb')
403
status = status_file.read()
408
for line in status.splitlines():
412
for field in _short_fields:
413
if line.startswith(field):
279
418
def report_exception(exc_info, err_file):
419
"""Report an exception to err_file (typically stderr) and to .bzr.log.
421
This will show either a full traceback or a short message as appropriate.
423
:return: The appropriate exit code for this error.
280
425
exc_type, exc_object, exc_tb = exc_info
281
426
# Log the full traceback to ~/.bzr.log
282
427
log_exception_quietly()
283
428
if (isinstance(exc_object, IOError)
284
429
and getattr(exc_object, 'errno', None) == errno.EPIPE):
285
print >>err_file, "bzr: broken pipe"
430
err_file.write("bzr: broken pipe\n")
431
return errors.EXIT_ERROR
286
432
elif isinstance(exc_object, KeyboardInterrupt):
287
print >>err_file, "bzr: interrupted"
433
err_file.write("bzr: interrupted\n")
434
return errors.EXIT_ERROR
435
elif isinstance(exc_object, ImportError) \
436
and str(exc_object).startswith("No module named "):
437
report_user_error(exc_info, err_file,
438
'You may need to install this Python library separately.')
439
return errors.EXIT_ERROR
288
440
elif not getattr(exc_object, 'internal_error', True):
289
441
report_user_error(exc_info, err_file)
442
return errors.EXIT_ERROR
290
443
elif isinstance(exc_object, (OSError, IOError)):
291
444
# Might be nice to catch all of these and show them as something more
292
445
# specific, but there are too many cases at the moment.
293
446
report_user_error(exc_info, err_file)
447
return errors.EXIT_ERROR
295
449
report_bug(exc_info, err_file)
450
return errors.EXIT_INTERNAL_ERROR
453
def print_exception(exc_info, err_file):
454
exc_type, exc_object, exc_tb = exc_info
455
err_file.write("bzr: ERROR: %s.%s: %s\n" % (
456
exc_type.__module__, exc_type.__name__, exc_object))
458
traceback.print_exception(exc_type, exc_object, exc_tb, file=err_file)
298
461
# TODO: Should these be specially encoding the output?
299
def report_user_error(exc_info, err_file):
462
def report_user_error(exc_info, err_file, advice=None):
300
463
"""Report to err_file an error that's not an internal error.
302
465
These don't get a traceback unless -Derror was given.
467
:param exc_info: 3-tuple from sys.exc_info()
468
:param advice: Extra advice to the user to be printed following the
304
471
if 'error' in debug.debug_flags:
305
report_bug(exc_info, err_file)
472
print_exception(exc_info, err_file)
307
print >>err_file, "bzr: ERROR:", str(exc_info[1])
474
err_file.write("bzr: ERROR: %s\n" % (exc_info[1],))
476
err_file.write("%s\n" % (advice,))
310
479
def report_bug(exc_info, err_file):
311
480
"""Report an exception that probably indicates a bug in bzr"""
313
exc_type, exc_object, exc_tb = exc_info
314
print >>err_file, "bzr: ERROR: %s.%s: %s" % (
315
exc_type.__module__, exc_type.__name__, exc_object)
317
traceback.print_exception(exc_type, exc_object, exc_tb, file=err_file)
319
print >>err_file, 'bzr %s on python %s (%s)' % \
481
print_exception(exc_info, err_file)
483
err_file.write('bzr %s on python %s (%s)\n' % \
320
484
(bzrlib.__version__,
321
'.'.join(map(str, sys.version_info)),
323
print >>err_file, 'arguments: %r' % sys.argv
325
print >>err_file, "** please send this report to bazaar@lists.ubuntu.com"
485
bzrlib._format_version_tuple(sys.version_info),
487
err_file.write('arguments: %r\n' % sys.argv)
489
'encoding: %r, fsenc: %r, lang: %r\n' % (
490
osutils.get_user_encoding(), sys.getfilesystemencoding(),
491
os.environ.get('LANG')))
492
err_file.write("plugins:\n")
493
for name, a_plugin in sorted(plugin.plugins().items()):
494
err_file.write(" %-20s %s [%s]\n" %
495
(name, a_plugin.path(), a_plugin.__version__))
498
*** Bazaar has encountered an internal error.
499
Please report a bug at https://bugs.launchpad.net/bzr/+filebug
500
including this traceback, and a description of what you
501
were doing when the error occurred.