120
# FIXME note always emits utf-8, regardless of the terminal encoding
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115
# FIXME: clearing the ui and then going through the abstract logging
123
116
# framework is whack; we should probably have a logging Handler that
124
117
# deals with terminal output if needed.
126
bzrlib.ui.ui_factory.clear_term()
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ui.ui_factory.clear_term()
127
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_bzr_logger.info(*args, **kwargs)
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122
def warning(*args, **kwargs):
132
bzrlib.ui.ui_factory.clear_term()
123
ui.ui_factory.clear_term()
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124
_bzr_logger.warning(*args, **kwargs)
136
@deprecated_function(deprecated_in((2, 1, 0)))
137
def info(*args, **kwargs):
138
"""Deprecated: use trace.note instead."""
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note(*args, **kwargs)
142
@deprecated_function(deprecated_in((2, 1, 0)))
143
def log_error(*args, **kwargs):
144
"""Deprecated: use bzrlib.trace.show_error instead"""
145
_bzr_logger.error(*args, **kwargs)
148
@deprecated_function(deprecated_in((2, 1, 0)))
149
def error(*args, **kwargs):
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"""Deprecated: use bzrlib.trace.show_error instead"""
151
_bzr_logger.error(*args, **kwargs)
154
127
def show_error(*args, **kwargs):
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128
"""Show an error message to the user.
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279
logging.getLogger("bzr").
308
281
Output can be redirected away by calling _push_log_file.
283
:return: A memento from push_log_file for restoring the log state.
310
# Do this before we open the log file, so we prevent
311
# get_terminal_encoding() from mutter()ing multiple times
312
term_encoding = osutils.get_terminal_encoding()
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285
start_time = osutils.format_local_date(_bzr_log_start_time,
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timezone='local')
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# create encoded wrapper around stderr
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287
bzr_log_file = _open_bzr_log()
317
288
if bzr_log_file is not None:
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289
bzr_log_file.write(start_time.encode('utf-8') + '\n')
319
push_log_file(bzr_log_file,
290
memento = push_log_file(bzr_log_file,
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r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s',
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292
r'%Y-%m-%d %H:%M:%S')
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# after hooking output into bzr_log, we also need to attach a stderr
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294
# handler, writing only at level info and with encoding
324
writer_factory = codecs.getwriter(term_encoding)
325
encoded_stderr = writer_factory(sys.stderr, errors='replace')
326
stderr_handler = logging.StreamHandler(encoded_stderr)
327
stderr_handler.setLevel(logging.INFO)
295
stderr_handler = EncodedStreamHandler(sys.stderr,
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osutils.get_terminal_encoding(), 'replace', level=logging.INFO)
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logging.getLogger('bzr').addHandler(stderr_handler)
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def push_log_file(to_file, log_format=None, date_format=None):
334
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:param to_file: A file-like object to which messages will be sent.
336
306
:returns: A memento that should be passed to _pop_log_file to restore the
337
previously active logging.
307
previously active logging.
339
309
global _trace_file
340
310
# make a new handler
341
new_handler = logging.StreamHandler(to_file)
342
new_handler.setLevel(logging.DEBUG)
311
new_handler = EncodedStreamHandler(to_file, "utf-8", level=logging.DEBUG)
343
312
if log_format is None:
344
313
log_format = '%(levelname)8s %(message)s'
345
314
new_handler.setFormatter(logging.Formatter(log_format, date_format))
367
336
def pop_log_file((magic, old_handlers, new_handler, old_trace_file, new_trace_file)):
368
337
"""Undo changes to logging/tracing done by _push_log_file.
370
This flushes, but does not close the trace file.
339
This flushes, but does not close the trace file (so that anything that was
372
342
Takes the memento returned from _push_log_file."""
373
343
global _trace_file
374
344
_trace_file = old_trace_file
375
345
bzr_logger = logging.getLogger('bzr')
376
346
bzr_logger.removeHandler(new_handler)
377
# must be closed, otherwise logging will try to close it atexit, and the
347
# must be closed, otherwise logging will try to close it at exit, and the
378
348
# file will likely already be closed underneath.
379
349
new_handler.close()
380
350
bzr_logger.handlers = old_handlers
381
new_trace_file.flush()
351
if new_trace_file is not None:
352
new_trace_file.flush()
384
355
def log_exception_quietly():
440
def _dump_memory_usage(err_file):
443
fd, name = tempfile.mkstemp(prefix="bzr_memdump", suffix=".json")
444
dump_file = os.fdopen(fd, 'w')
445
from meliae import scanner
446
scanner.dump_gc_objects(dump_file)
447
err_file.write("Memory dumped to %s\n" % name)
449
err_file.write("Dumping memory requires meliae module.\n")
450
log_exception_quietly()
452
err_file.write("Exception while dumping memory.\n")
453
log_exception_quietly()
455
if dump_file is not None:
461
def _qualified_exception_name(eclass, unqualified_bzrlib_errors=False):
462
"""Give name of error class including module for non-builtin exceptions
464
If `unqualified_bzrlib_errors` is True, errors specific to bzrlib will
465
also omit the module prefix.
467
class_name = eclass.__name__
468
module_name = eclass.__module__
469
if module_name in ("exceptions", "__main__") or (
470
unqualified_bzrlib_errors and module_name == "bzrlib.errors"):
472
return "%s.%s" % (module_name, class_name)
470
475
def report_exception(exc_info, err_file):
471
476
"""Report an exception to err_file (typically stderr) and to .bzr.log.
480
485
print_exception(exc_info, err_file)
481
486
return errors.EXIT_ERROR
482
487
exc_type, exc_object, exc_tb = exc_info
483
if (isinstance(exc_object, IOError)
484
and getattr(exc_object, 'errno', None) == errno.EPIPE):
485
err_file.write("bzr: broken pipe\n")
486
return errors.EXIT_ERROR
487
elif isinstance(exc_object, KeyboardInterrupt):
488
if isinstance(exc_object, KeyboardInterrupt):
488
489
err_file.write("bzr: interrupted\n")
489
490
return errors.EXIT_ERROR
490
491
elif isinstance(exc_object, MemoryError):
491
492
err_file.write("bzr: out of memory\n")
493
if 'mem_dump' in debug.debug_flags:
494
_dump_memory_usage(err_file)
496
err_file.write("Use -Dmem_dump to dump memory to a file.\n")
492
497
return errors.EXIT_ERROR
493
498
elif isinstance(exc_object, ImportError) \
494
499
and str(exc_object).startswith("No module named "):
498
503
elif not getattr(exc_object, 'internal_error', True):
499
504
report_user_error(exc_info, err_file)
500
505
return errors.EXIT_ERROR
501
elif isinstance(exc_object, (OSError, IOError)):
506
elif osutils.is_environment_error(exc_object):
507
if getattr(exc_object, 'errno', None) == errno.EPIPE:
508
err_file.write("bzr: broken pipe\n")
509
return errors.EXIT_ERROR
502
510
# Might be nice to catch all of these and show them as something more
503
511
# specific, but there are too many cases at the moment.
504
512
report_user_error(exc_info, err_file)
553
565
def _flush_trace():
554
# run from atexit hook
566
# called from the bzrlib library finalizer returned by bzrlib.initialize()
555
567
global _trace_file
557
569
_trace_file.flush()
572
class EncodedStreamHandler(logging.Handler):
573
"""Robustly write logging events to a stream using the specified encoding
575
Messages are expected to be formatted to unicode, but UTF-8 byte strings
576
are also accepted. An error during formatting or a str message in another
577
encoding will be quitely noted as an error in the Bazaar log file.
579
The stream is not closed so sys.stdout or sys.stderr may be passed.
582
def __init__(self, stream, encoding=None, errors='strict', level=0):
583
logging.Handler.__init__(self, level)
586
encoding = getattr(stream, "encoding", "ascii")
587
self.encoding = encoding
591
flush = getattr(self.stream, "flush", None)
592
if flush is not None:
595
def emit(self, record):
597
line = self.format(record)
598
if not isinstance(line, unicode):
599
line = line.decode("utf-8")
600
self.stream.write(line.encode(self.encoding, self.errors) + "\n")
602
log_exception_quietly()
603
# Try saving the details that would have been logged in some form
604
msg = args = "<Unformattable>"
606
msg = repr(record.msg).encode("ascii")
607
args = repr(record.args).encode("ascii")
610
# Using mutter() bypasses the logging module and writes directly
611
# to the file so there's no danger of getting into a loop here.
612
mutter("Logging record unformattable: %s %% %s", msg, args)
615
class Config(object):
616
"""Configuration of message tracing in bzrlib.
618
This implements the context manager protocol and should manage any global
619
variables still used. The default config used is DefaultConfig, but
620
embedded uses of bzrlib may wish to use a custom manager.
624
return self # This is bound to the 'as' clause in a with statement.
626
def __exit__(self, exc_type, exc_val, exc_tb):
627
return False # propogate exceptions.
630
class DefaultConfig(Config):
631
"""A default configuration for tracing of messages in bzrlib.
633
This implements the context manager protocol.
637
self._original_filename = _bzr_log_filename
638
self._original_state = enable_default_logging()
639
return self # This is bound to the 'as' clause in a with statement.
641
def __exit__(self, exc_type, exc_val, exc_tb):
642
pop_log_file(self._original_state)
643
global _bzr_log_filename
644
_bzr_log_filename = self._original_filename
645
return False # propogate exceptions.