114
113
def note(*args, **kwargs):
115
"""Output a note to the user.
117
Takes the same parameters as logging.info.
121
114
# FIXME note always emits utf-8, regardless of the terminal encoding
123
116
# FIXME: clearing the ui and then going through the abstract logging
124
117
# framework is whack; we should probably have a logging Handler that
125
118
# deals with terminal output if needed.
126
ui.ui_factory.clear_term()
120
bzrlib.ui.ui_factory.clear_term()
127
121
_bzr_logger.info(*args, **kwargs)
130
124
def warning(*args, **kwargs):
131
ui.ui_factory.clear_term()
126
bzrlib.ui.ui_factory.clear_term()
132
127
_bzr_logger.warning(*args, **kwargs)
305
300
logging.getLogger("bzr").
307
302
Output can be redirected away by calling _push_log_file.
309
:return: A memento from push_log_file for restoring the log state.
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()
311
307
start_time = osutils.format_local_date(_bzr_log_start_time,
312
308
timezone='local')
313
309
# create encoded wrapper around stderr
314
310
bzr_log_file = _open_bzr_log()
315
311
if bzr_log_file is not None:
316
312
bzr_log_file.write(start_time.encode('utf-8') + '\n')
317
memento = push_log_file(bzr_log_file,
313
push_log_file(bzr_log_file,
318
314
r'[%(process)5d] %(asctime)s.%(msecs)03d %(levelname)s: %(message)s',
319
315
r'%Y-%m-%d %H:%M:%S')
320
316
# after hooking output into bzr_log, we also need to attach a stderr
321
317
# handler, writing only at level info and with encoding
322
term_encoding = osutils.get_terminal_encoding()
323
318
writer_factory = codecs.getwriter(term_encoding)
324
319
encoded_stderr = writer_factory(sys.stderr, errors='replace')
325
320
stderr_handler = logging.StreamHandler(encoded_stderr)
326
321
stderr_handler.setLevel(logging.INFO)
327
322
logging.getLogger('bzr').addHandler(stderr_handler)
331
325
def push_log_file(to_file, log_format=None, date_format=None):
367
361
def pop_log_file((magic, old_handlers, new_handler, old_trace_file, new_trace_file)):
368
362
"""Undo changes to logging/tracing done by _push_log_file.
370
This flushes, but does not close the trace file (so that anything that was
364
This flushes, but does not close the trace file.
373
366
Takes the memento returned from _push_log_file."""
374
367
global _trace_file
375
368
_trace_file = old_trace_file
376
369
bzr_logger = logging.getLogger('bzr')
377
370
bzr_logger.removeHandler(new_handler)
378
# must be closed, otherwise logging will try to close it at exit, and the
371
# must be closed, otherwise logging will try to close it atexit, and the
379
372
# file will likely already be closed underneath.
380
373
new_handler.close()
381
374
bzr_logger.handlers = old_handlers
382
if new_trace_file is not None:
383
new_trace_file.flush()
375
new_trace_file.flush()
386
378
def log_exception_quietly():
471
def _dump_memory_usage(err_file):
474
fd, name = tempfile.mkstemp(prefix="bzr_memdump", suffix=".json")
475
dump_file = os.fdopen(fd, 'w')
476
from meliae import scanner
477
scanner.dump_gc_objects(dump_file)
478
err_file.write("Memory dumped to %s\n" % name)
480
err_file.write("Dumping memory requires meliae module.\n")
481
log_exception_quietly()
483
err_file.write("Exception while dumping memory.\n")
484
log_exception_quietly()
486
if dump_file is not None:
491
464
def report_exception(exc_info, err_file):
492
465
"""Report an exception to err_file (typically stderr) and to .bzr.log.
510
483
return errors.EXIT_ERROR
511
484
elif isinstance(exc_object, MemoryError):
512
485
err_file.write("bzr: out of memory\n")
513
if 'mem_dump' in debug.debug_flags:
514
_dump_memory_usage(err_file)
516
err_file.write("Use -Dmem_dump to dump memory to a file.\n")
517
486
return errors.EXIT_ERROR
518
487
elif isinstance(exc_object, ImportError) \
519
488
and str(exc_object).startswith("No module named "):
523
492
elif not getattr(exc_object, 'internal_error', True):
524
493
report_user_error(exc_info, err_file)
525
494
return errors.EXIT_ERROR
526
elif isinstance(exc_object, (OSError, IOError)) or (
527
# GZ 2010-05-20: Like (exc_type is pywintypes.error) but avoid import
528
exc_type.__name__ == "error" and exc_type.__module__ == "pywintypes"):
495
elif isinstance(exc_object, (OSError, IOError)):
529
496
# Might be nice to catch all of these and show them as something more
530
497
# specific, but there are too many cases at the moment.
531
498
report_user_error(exc_info, err_file)
580
547
def _flush_trace():
581
# called from the bzrlib library finalizer returned by bzrlib.initialize()
548
# run from atexit hook
582
549
global _trace_file
584
551
_trace_file.flush()
587
class Config(object):
588
"""Configuration of message tracing in bzrlib.
590
This implements the context manager protocol and should manage any global
591
variables still used. The default config used is DefaultConfig, but
592
embedded uses of bzrlib may wish to use a custom manager.
596
return self # This is bound to the 'as' clause in a with statement.
598
def __exit__(self, exc_type, exc_val, exc_tb):
599
return False # propogate exceptions.
602
class DefaultConfig(Config):
603
"""A default configuration for tracing of messages in bzrlib.
605
This implements the context manager protocol.
609
self._original_filename = _bzr_log_filename
610
self._original_state = enable_default_logging()
611
return self # This is bound to the 'as' clause in a with statement.
613
def __exit__(self, exc_type, exc_val, exc_tb):
614
pop_log_file(self._original_state)
615
global _bzr_log_filename
616
_bzr_log_filename = self._original_filename
617
return False # propogate exceptions.
added
removed
bzrlib/trace.py
