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# FIXME: clearing the ui and then going through the abstract logging
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# framework is whack; we should probably have a logging Handler that
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# deals with terminal output if needed.
126
bzrlib.ui.ui_factory.clear_term()
126
ui.ui_factory.clear_term()
127
127
_bzr_logger.info(*args, **kwargs)
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def warning(*args, **kwargs):
132
bzrlib.ui.ui_factory.clear_term()
131
ui.ui_factory.clear_term()
133
132
_bzr_logger.warning(*args, **kwargs)
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logging.getLogger("bzr").
308
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Output can be redirected away by calling _push_log_file.
309
:return: A memento from push_log_file for restoring the log state.
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# 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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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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bzr_log_file = _open_bzr_log()
317
315
if bzr_log_file is not None:
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316
bzr_log_file.write(start_time.encode('utf-8') + '\n')
319
push_log_file(bzr_log_file,
317
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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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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# handler, writing only at level info and with encoding
322
term_encoding = osutils.get_terminal_encoding()
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writer_factory = codecs.getwriter(term_encoding)
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encoded_stderr = writer_factory(sys.stderr, errors='replace')
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stderr_handler = logging.StreamHandler(encoded_stderr)
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stderr_handler.setLevel(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):
367
367
def pop_log_file((magic, old_handlers, new_handler, old_trace_file, new_trace_file)):
368
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"""Undo changes to logging/tracing done by _push_log_file.
370
This flushes, but does not close the trace file.
370
This flushes, but does not close the trace file (so that anything that was
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Takes the memento returned from _push_log_file."""
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global _trace_file
374
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_trace_file = old_trace_file
375
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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
378
# 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
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bzr_logger.handlers = old_handlers
381
new_trace_file.flush()
382
if new_trace_file is not None:
383
new_trace_file.flush()
384
386
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:
470
491
def report_exception(exc_info, err_file):
471
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"""Report an exception to err_file (typically stderr) and to .bzr.log.
489
510
return errors.EXIT_ERROR
490
511
elif isinstance(exc_object, MemoryError):
491
512
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")
492
517
return errors.EXIT_ERROR
493
518
elif isinstance(exc_object, ImportError) \
494
519
and str(exc_object).startswith("No module named "):
498
523
elif not getattr(exc_object, 'internal_error', True):
499
524
report_user_error(exc_info, err_file)
500
525
return errors.EXIT_ERROR
501
elif isinstance(exc_object, (OSError, IOError)):
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"):
502
529
# Might be nice to catch all of these and show them as something more
503
530
# specific, but there are too many cases at the moment.
504
531
report_user_error(exc_info, err_file)
553
580
def _flush_trace():
554
# run from atexit hook
581
# called from the bzrlib library finalizer returned by bzrlib.initialize()
555
582
global _trace_file
557
584
_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
