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logging.getLogger("bzr").
308
308
Output can be redirected away by calling _push_log_file.
310
: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()
313
312
start_time = osutils.format_local_date(_bzr_log_start_time,
314
313
timezone='local')
315
314
# create encoded wrapper around stderr
316
315
bzr_log_file = _open_bzr_log()
317
316
if bzr_log_file is not None:
318
317
bzr_log_file.write(start_time.encode('utf-8') + '\n')
319
push_log_file(bzr_log_file,
318
memento = push_log_file(bzr_log_file,
320
319
r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s',
321
320
r'%Y-%m-%d %H:%M:%S')
322
321
# after hooking output into bzr_log, we also need to attach a stderr
323
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# handler, writing only at level info and with encoding
323
term_encoding = osutils.get_terminal_encoding()
324
324
writer_factory = codecs.getwriter(term_encoding)
325
325
encoded_stderr = writer_factory(sys.stderr, errors='replace')
326
326
stderr_handler = logging.StreamHandler(encoded_stderr)
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stderr_handler.setLevel(logging.INFO)
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328
logging.getLogger('bzr').addHandler(stderr_handler)
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332
def push_log_file(to_file, log_format=None, date_format=None):
367
368
def pop_log_file((magic, old_handlers, new_handler, old_trace_file, new_trace_file)):
368
369
"""Undo changes to logging/tracing done by _push_log_file.
370
This flushes, but does not close the trace file.
371
This flushes, but does not close the trace file (so that anything that was
372
374
Takes the memento returned from _push_log_file."""
373
375
global _trace_file
374
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_trace_file = old_trace_file
375
377
bzr_logger = logging.getLogger('bzr')
376
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bzr_logger.removeHandler(new_handler)
377
# must be closed, otherwise logging will try to close it atexit, and the
379
# must be closed, otherwise logging will try to close it at exit, and the
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# file will likely already be closed underneath.
379
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new_handler.close()
380
382
bzr_logger.handlers = old_handlers
381
new_trace_file.flush()
383
if new_trace_file is not None:
384
new_trace_file.flush()
384
387
def log_exception_quietly():
498
501
elif not getattr(exc_object, 'internal_error', True):
499
502
report_user_error(exc_info, err_file)
500
503
return errors.EXIT_ERROR
501
elif isinstance(exc_object, (OSError, IOError)):
504
elif isinstance(exc_object, (OSError, IOError)) or (
505
# GZ 2010-05-20: Like (exc_type is pywintypes.error) but avoid import
506
exc_type.__name__ == "error" and exc_type.__module__ == "pywintypes"):
502
507
# Might be nice to catch all of these and show them as something more
503
508
# specific, but there are too many cases at the moment.
504
509
report_user_error(exc_info, err_file)
553
558
def _flush_trace():
554
# run from atexit hook
559
# called from the bzrlib library finalizer returned by bzrlib.initialize()
555
560
global _trace_file
557
562
_trace_file.flush()
565
class Config(object):
566
"""Configuration of message tracing in bzrlib.
568
This implements the context manager protocol and should manage any global
569
variables still used. The default config used is DefaultConfig, but
570
embedded uses of bzrlib may wish to use a custom manager.
574
return self # This is bound to the 'as' clause in a with statement.
576
def __exit__(self, exc_type, exc_val, exc_tb):
577
return False # propogate exceptions.
580
class DefaultConfig(Config):
581
"""A default configuration for tracing of messages in bzrlib.
583
This implements the context manager protocol.
587
self._original_filename = _bzr_log_filename
588
self._original_state = enable_default_logging()
589
return self # This is bound to the 'as' clause in a with statement.
591
def __exit__(self, exc_type, exc_val, exc_tb):
592
pop_log_file(self._original_state)
593
global _bzr_log_filename
594
_bzr_log_filename = self._original_filename
595
return False # propogate exceptions.
added
removed
bzrlib/trace.py
