1
# Copyright (C) 2005-2011 Canonical Ltd
1
# Copyright (C) 2005-2010 Canonical Ltd
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
48
from __future__ import absolute_import
50
48
# FIXME: Unfortunately it turns out that python's logging module
51
49
# is quite expensive, even when the message is not printed by any handlers.
52
50
# We should perhaps change back to just simply doing it here.
56
54
# increased cost of logging.py is not so bad, and we could standardize on
64
64
from bzrlib.lazy_import import lazy_import
65
65
lazy_import(globals(), """
66
66
from cStringIO import StringIO
74
from bzrlib.symbol_versioning import (
75
79
lazy_import(globals(), """
76
80
from bzrlib import (
121
# FIXME note always emits utf-8, regardless of the terminal encoding
115
123
# FIXME: clearing the ui and then going through the abstract logging
116
124
# framework is whack; we should probably have a logging Handler that
117
125
# deals with terminal output if needed.
118
ui.ui_factory.clear_term()
127
bzrlib.ui.ui_factory.clear_term()
119
128
_bzr_logger.info(*args, **kwargs)
122
131
def warning(*args, **kwargs):
123
ui.ui_factory.clear_term()
133
bzrlib.ui.ui_factory.clear_term()
124
134
_bzr_logger.warning(*args, **kwargs)
137
@deprecated_function(deprecated_in((2, 1, 0)))
138
def info(*args, **kwargs):
139
"""Deprecated: use trace.note instead."""
140
note(*args, **kwargs)
143
@deprecated_function(deprecated_in((2, 1, 0)))
144
def log_error(*args, **kwargs):
145
"""Deprecated: use bzrlib.trace.show_error instead"""
146
_bzr_logger.error(*args, **kwargs)
149
@deprecated_function(deprecated_in((2, 1, 0)))
150
def error(*args, **kwargs):
151
"""Deprecated: use bzrlib.trace.show_error instead"""
152
_bzr_logger.error(*args, **kwargs)
127
155
def show_error(*args, **kwargs):
128
156
"""Show an error message to the user.
285
313
start_time = osutils.format_local_date(_bzr_log_start_time,
286
314
timezone='local')
315
# create encoded wrapper around stderr
287
316
bzr_log_file = _open_bzr_log()
288
317
if bzr_log_file is not None:
289
318
bzr_log_file.write(start_time.encode('utf-8') + '\n')
292
321
r'%Y-%m-%d %H:%M:%S')
293
322
# after hooking output into bzr_log, we also need to attach a stderr
294
323
# handler, writing only at level info and with encoding
295
stderr_handler = EncodedStreamHandler(sys.stderr,
296
osutils.get_terminal_encoding(), 'replace', level=logging.INFO)
324
term_encoding = osutils.get_terminal_encoding()
325
writer_factory = codecs.getwriter(term_encoding)
326
encoded_stderr = writer_factory(sys.stderr, errors='replace')
327
stderr_handler = logging.StreamHandler(encoded_stderr)
328
stderr_handler.setLevel(logging.INFO)
297
329
logging.getLogger('bzr').addHandler(stderr_handler)
304
336
:param to_file: A file-like object to which messages will be sent.
306
338
:returns: A memento that should be passed to _pop_log_file to restore the
307
previously active logging.
339
previously active logging.
309
341
global _trace_file
310
342
# make a new handler
311
new_handler = EncodedStreamHandler(to_file, "utf-8", level=logging.DEBUG)
343
new_handler = logging.StreamHandler(to_file)
344
new_handler.setLevel(logging.DEBUG)
312
345
if log_format is None:
313
346
log_format = '%(levelname)8s %(message)s'
314
347
new_handler.setFormatter(logging.Formatter(log_format, date_format))
457
490
elif fd 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)
475
493
def report_exception(exc_info, err_file):
476
494
"""Report an exception to err_file (typically stderr) and to .bzr.log.
485
503
print_exception(exc_info, err_file)
486
504
return errors.EXIT_ERROR
487
505
exc_type, exc_object, exc_tb = exc_info
488
if isinstance(exc_object, KeyboardInterrupt):
506
if (isinstance(exc_object, IOError)
507
and getattr(exc_object, 'errno', None) == errno.EPIPE):
508
err_file.write("bzr: broken pipe\n")
509
return errors.EXIT_ERROR
510
elif isinstance(exc_object, KeyboardInterrupt):
489
511
err_file.write("bzr: interrupted\n")
490
512
return errors.EXIT_ERROR
491
513
elif isinstance(exc_object, MemoryError):
503
525
elif not getattr(exc_object, 'internal_error', True):
504
526
report_user_error(exc_info, err_file)
505
527
return errors.EXIT_ERROR
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
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"):
510
531
# Might be nice to catch all of these and show them as something more
511
532
# specific, but there are too many cases at the moment.
512
533
report_user_error(exc_info, err_file)
569
586
_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
589
class Config(object):
616
590
"""Configuration of message tracing in bzrlib.