86
# global verbosity for bzrlib; controls the log level for stderr; 0=normal; <0
87
# is quiet; >0 is verbose.
78
_stderr_handler = None
88
79
_verbosity_level = 0
90
# File-like object where mutter/debug output is currently sent. Can be
91
# changed by _push_log_file etc. This is directly manipulated by some
92
# external code; maybe there should be functions to do that more precisely
93
# than push/pop_log_file.
96
# Absolute path for ~/.bzr.log. Not changed even if the log/trace output is
97
# redirected elsewhere. Used to show the location in --version.
98
83
_bzr_log_filename = None
100
# The time the first message was written to the trace file, so that we can
101
# show relative times since startup.
102
_bzr_log_start_time = bzrlib._start_time
105
# held in a global for quick reference
86
# configure convenient aliases for output routines
106
88
_bzr_logger = logging.getLogger('bzr')
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90
def note(*args, **kwargs):
110
91
# FIXME note always emits utf-8, regardless of the terminal encoding
112
# FIXME: clearing the ui and then going through the abstract logging
113
# framework is whack; we should probably have a logging Handler that
114
# deals with terminal output if needed.
116
93
bzrlib.ui.ui_factory.clear_term()
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94
_bzr_logger.info(*args, **kwargs)
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96
def warning(*args, **kwargs):
122
98
bzrlib.ui.ui_factory.clear_term()
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99
_bzr_logger.warning(*args, **kwargs)
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# configure convenient aliases for output routines
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# TODO: deprecate them, have one name for each.
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102
log_error = _bzr_logger.error
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103
error = _bzr_logger.error
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def _get_bzr_log_filename():
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bzr_log = os.environ.get('BZR_LOG')
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home = os.environ.get('BZR_HOME')
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def open_tracefile(tracefilename=None):
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# Messages are always written to here, so that we have some
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# information if something goes wrong. In a future version this
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# file will be removed on successful completion.
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global _file_handler, _bzr_log_file, _bzr_log_filename
167
if tracefilename is None:
199
168
if sys.platform == 'win32':
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169
from bzrlib import win32utils
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170
home = win32utils.get_home_location()
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home = os.path.expanduser('~')
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return os.path.join(home, '.bzr.log')
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"""Open the .bzr.log trace file.
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If the log is more than a particular length, the old file is renamed to
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.bzr.log.old and a new file is started. Otherwise, we append to the
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This sets the global _bzr_log_filename.
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global _bzr_log_filename
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_bzr_log_filename = _get_bzr_log_filename()
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_bzr_log_filename = os.path.join(home, '.bzr.log')
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_bzr_log_filename = tracefilename
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_bzr_log_filename = os.path.expanduser(_bzr_log_filename)
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178
_rollover_trace_maybe(_bzr_log_filename)
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bzr_log_file = open(_bzr_log_filename, 'at', 1) # line buffered
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# bzr_log_file.tell() on windows always return 0 until some writing done
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bzr_log_file.write('\n')
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if bzr_log_file.tell() <= 2:
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bzr_log_file.write("this is a debug log for diagnosing/reporting problems in bzr\n")
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bzr_log_file.write("you can delete or truncate this file, or include sections in\n")
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bzr_log_file.write("bug reports to https://bugs.launchpad.net/bzr/+filebug\n\n")
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#tf = codecs.open(trace_fname, 'at', 'utf8', buffering=LINE_BUFFERED)
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tf = open(_bzr_log_filename, 'at', LINE_BUFFERED)
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# tf.tell() on windows always return 0 until some writing done
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tf.write("this is a debug log for diagnosing/reporting problems in bzr\n")
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tf.write("you can delete or truncate this file, or include sections in\n")
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tf.write("bug reports to bazaar@lists.canonical.com\n\n")
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_file_handler = logging.StreamHandler(tf)
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fmt = r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s'
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datefmt = r'%a %H:%M:%S'
193
_file_handler.setFormatter(logging.Formatter(fmt, datefmt))
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_file_handler.setLevel(logging.DEBUG)
195
logging.getLogger('').addHandler(_file_handler)
228
196
except IOError, e:
229
197
warning("failed to open trace file: %s" % (e))
230
# TODO: What should happen if we fail to open the trace file? Maybe the
231
# objects should be pointed at /dev/null or the equivalent? Currently
232
# returns None which will cause failures later.
235
def enable_default_logging():
236
"""Configure default logging: messages to stderr and debug to .bzr.log
238
This should only be called once per process.
240
Non-command-line programs embedding bzrlib do not need to call this. They
241
can instead either pass a file to _push_log_file, or act directly on
242
logging.getLogger("bzr").
244
Output can be redirected away by calling _push_log_file.
246
# create encoded wrapper around stderr
247
bzr_log_file = _open_bzr_log()
248
push_log_file(bzr_log_file,
249
r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s',
250
r'%Y-%m-%d %H:%M:%S')
251
# after hooking output into bzr_log, we also need to attach a stderr
252
# handler, writing only at level info and with encoding
253
writer_factory = codecs.getwriter(osutils.get_terminal_encoding())
254
encoded_stderr = writer_factory(sys.stderr, errors='replace')
255
stderr_handler = logging.StreamHandler(encoded_stderr)
256
stderr_handler.setLevel(logging.INFO)
257
logging.getLogger('bzr').addHandler(stderr_handler)
260
def push_log_file(to_file, log_format=None, date_format=None):
261
"""Intercept log and trace messages and send them to a file.
263
:param to_file: A file-like object to which messages will be sent.
265
:returns: A memento that should be passed to _pop_log_file to restore the
266
previously active logging.
270
new_handler = logging.StreamHandler(to_file)
271
new_handler.setLevel(logging.DEBUG)
272
if log_format is None:
273
log_format = '%(levelname)8s %(message)s'
274
new_handler.setFormatter(logging.Formatter(log_format, date_format))
275
# save and remove any existing log handlers
276
bzr_logger = logging.getLogger('bzr')
277
old_handlers = bzr_logger.handlers[:]
278
del bzr_logger.handlers[:]
279
# set that as the default logger
280
bzr_logger.addHandler(new_handler)
281
bzr_logger.setLevel(logging.DEBUG)
282
# TODO: check if any changes are needed to the root logger
284
# TODO: also probably need to save and restore the level on bzr_logger.
285
# but maybe we can avoid setting the logger level altogether, and just set
286
# the level on the handler?
288
# save the old trace file
289
old_trace_file = _trace_file
290
# send traces to the new one
291
_trace_file = to_file
292
result = new_handler, _trace_file
293
return ('log_memento', old_handlers, new_handler, old_trace_file, to_file)
296
def pop_log_file((magic, old_handlers, new_handler, old_trace_file, new_trace_file)):
297
"""Undo changes to logging/tracing done by _push_log_file.
299
This flushes, but does not close the trace file.
301
Takes the memento returned from _push_log_file."""
303
_trace_file = old_trace_file
304
bzr_logger = logging.getLogger('bzr')
305
bzr_logger.removeHandler(new_handler)
306
# must be closed, otherwise logging will try to close it atexit, and the
307
# file will likely already be closed underneath.
309
bzr_logger.handlers = old_handlers
310
new_trace_file.flush()
313
@symbol_versioning.deprecated_function(symbol_versioning.one_two)
314
def enable_test_log(to_file):
315
"""Redirect logging to a temporary file for a test
317
:returns: an opaque reference that should be passed to disable_test_log
318
after the test completes.
320
return push_log_file(to_file)
323
@symbol_versioning.deprecated_function(symbol_versioning.one_two)
324
def disable_test_log(memento):
325
return pop_log_file(memento)
328
200
def log_exception_quietly():
379
267
return _verbosity_level > 0
382
@symbol_versioning.deprecated_function(symbol_versioning.one_two)
383
270
def disable_default_logging():
384
271
"""Turn off default log handlers.
386
Don't call this method, use _push_log_file and _pop_log_file instead.
273
This is intended to be used by the test framework, which doesn't
274
want leakage from the code-under-test into the main logs.
277
l = logging.getLogger('')
278
l.removeHandler(_stderr_handler)
280
l.removeHandler(_file_handler)
284
def enable_test_log(to_file):
285
"""Redirect logging to a temporary file for a test
287
returns an opaque reference that should be passed to disable_test_log
288
after the test completes.
290
disable_default_logging()
293
hdlr = logging.StreamHandler(to_file)
294
hdlr.setLevel(logging.DEBUG)
295
hdlr.setFormatter(logging.Formatter('%(levelname)8s %(message)s'))
296
_bzr_logger.addHandler(hdlr)
297
_bzr_logger.setLevel(logging.DEBUG)
298
result = hdlr, _trace_file, _trace_depth
299
_trace_file = to_file
304
def disable_test_log((test_log_hdlr, old_trace_file, old_trace_depth)):
305
_bzr_logger.removeHandler(test_log_hdlr)
306
test_log_hdlr.close()
309
_trace_file = old_trace_file
310
_trace_depth = old_trace_depth
312
enable_default_logging()
391
315
def report_exception(exc_info, err_file):
423
342
return errors.EXIT_INTERNAL_ERROR
426
def print_exception(exc_info, err_file):
427
exc_type, exc_object, exc_tb = exc_info
428
err_file.write("bzr: ERROR: %s.%s: %s\n" % (
429
exc_type.__module__, exc_type.__name__, exc_object))
431
traceback.print_exception(exc_type, exc_object, exc_tb, file=err_file)
434
345
# TODO: Should these be specially encoding the output?
435
def report_user_error(exc_info, err_file, advice=None):
346
def report_user_error(exc_info, err_file):
436
347
"""Report to err_file an error that's not an internal error.
438
349
These don't get a traceback unless -Derror was given.
440
:param exc_info: 3-tuple from sys.exc_info()
441
:param advice: Extra advice to the user to be printed following the
444
351
if 'error' in debug.debug_flags:
445
print_exception(exc_info, err_file)
352
report_bug(exc_info, err_file)
447
354
err_file.write("bzr: ERROR: %s\n" % (exc_info[1],))
449
err_file.write("%s\n" % (advice,))
452
357
def report_bug(exc_info, err_file):
453
358
"""Report an exception that probably indicates a bug in bzr"""
454
print_exception(exc_info, err_file)
360
exc_type, exc_object, exc_tb = exc_info
361
err_file.write("bzr: ERROR: %s.%s: %s\n" % (
362
exc_type.__module__, exc_type.__name__, exc_object))
364
traceback.print_exception(exc_type, exc_object, exc_tb, file=err_file)
455
365
err_file.write('\n')
456
366
err_file.write('bzr %s on python %s (%s)\n' % \
457
367
(bzrlib.__version__,
458
bzrlib._format_version_tuple(sys.version_info),
368
'.'.join(map(str, sys.version_info)),
460
370
err_file.write('arguments: %r\n' % sys.argv)