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def note(*args, **kwargs):
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"""Output a note to the user.
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Takes the same parameters as logging.info.
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# FIXME note always emits utf-8, regardless of the terminal encoding
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123
# FIXME: clearing the ui and then going through the abstract logging
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logging.getLogger("bzr").
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Output can be redirected away by calling _push_log_file.
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: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
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# get_terminal_encoding() from mutter()ing multiple times
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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()
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if bzr_log_file is not None:
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bzr_log_file.write(start_time.encode('utf-8') + '\n')
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push_log_file(bzr_log_file,
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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
324
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):
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369
def pop_log_file((magic, old_handlers, new_handler, old_trace_file, new_trace_file)):
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"""Undo changes to logging/tracing done by _push_log_file.
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This flushes, but does not close the trace file.
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This flushes, but does not close the trace file (so that anything that was
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375
Takes the memento returned from _push_log_file."""
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global _trace_file
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_trace_file = old_trace_file
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bzr_logger = logging.getLogger('bzr')
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379
bzr_logger.removeHandler(new_handler)
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# must be closed, otherwise logging will try to close it atexit, and the
380
# 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.
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new_handler.close()
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bzr_logger.handlers = old_handlers
375
new_trace_file.flush()
384
if new_trace_file is not None:
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new_trace_file.flush()
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388
def log_exception_quietly():
473
def _dump_memory_usage(err_file):
476
fd, name = tempfile.mkstemp(prefix="bzr_memdump", suffix=".json")
477
dump_file = os.fdopen(fd, 'w')
478
from meliae import scanner
479
scanner.dump_gc_objects(dump_file)
480
err_file.write("Memory dumped to %s\n" % name)
482
err_file.write("Dumping memory requires meliae module.\n")
483
log_exception_quietly()
485
err_file.write("Exception while dumping memory.\n")
486
log_exception_quietly()
488
if dump_file is not None:
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493
def report_exception(exc_info, err_file):
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"""Report an exception to err_file (typically stderr) and to .bzr.log.
483
512
return errors.EXIT_ERROR
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513
elif isinstance(exc_object, MemoryError):
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err_file.write("bzr: out of memory\n")
515
if 'mem_dump' in debug.debug_flags:
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_dump_memory_usage(err_file)
518
err_file.write("Use -Dmem_dump to dump memory to a file.\n")
486
519
return errors.EXIT_ERROR
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520
elif isinstance(exc_object, ImportError) \
488
521
and str(exc_object).startswith("No module named "):
492
525
elif not getattr(exc_object, 'internal_error', True):
493
526
report_user_error(exc_info, err_file)
494
527
return errors.EXIT_ERROR
495
elif isinstance(exc_object, (OSError, IOError)):
528
elif isinstance(exc_object, (OSError, IOError)) or (
529
# GZ 2010-05-20: Like (exc_type is pywintypes.error) but avoid import
530
exc_type.__name__ == "error" and exc_type.__module__ == "pywintypes"):
496
531
# Might be nice to catch all of these and show them as something more
497
532
# specific, but there are too many cases at the moment.
498
533
report_user_error(exc_info, err_file)
547
582
def _flush_trace():
548
# run from atexit hook
583
# called from the bzrlib library finalizer returned by bzrlib.initialize()
549
584
global _trace_file
551
586
_trace_file.flush()
589
class Config(object):
590
"""Configuration of message tracing in bzrlib.
592
This implements the context manager protocol and should manage any global
593
variables still used. The default config used is DefaultConfig, but
594
embedded uses of bzrlib may wish to use a custom manager.
598
return self # This is bound to the 'as' clause in a with statement.
600
def __exit__(self, exc_type, exc_val, exc_tb):
601
return False # propogate exceptions.
604
class DefaultConfig(Config):
605
"""A default configuration for tracing of messages in bzrlib.
607
This implements the context manager protocol.
611
self._original_filename = _bzr_log_filename
612
self._original_state = enable_default_logging()
613
return self # This is bound to the 'as' clause in a with statement.
615
def __exit__(self, exc_type, exc_val, exc_tb):
616
pop_log_file(self._original_state)
617
global _bzr_log_filename
618
_bzr_log_filename = self._original_filename
619
return False # propogate exceptions.