def censor_stream_handlers():
for handler in handlers.values():
handler.censored = True
def uncensor_stream_handlers():
for handler in handlers.values():
handler.censored = False
def dump_config(f=None):
fclose = lambda: None
if isinstance(f, six.string_types):
f = open(f, 'w')
fclose = f.close
if f is None:
f = sys.stdout
try:
handlers = {}
formatters = {}
loggers = {}
def process_formatter(formatter):
if formatter is None:
return dict(sectname=None)
if id(formatter) in formatters:
return formatters[id(formatter)]
klass = formatter.__class__
fmtinfo = {
'format': formatter._fmt,
'datefmt': formatter.datefmt or ''
}
if klass is not logging.Formatter:
fmtinfo['class'] = klass.__module__ + '.' + klass.__name__
style = getattr(formatter, '_style', None)
if style:
for k, (tp, df) in getattr(logging, '_STYLES', {}).items():
if isinstance(style, tp):
if k != '%':
fmtinfo['style'] = k
break
formatters[id(formatter)] = fmtinfo
fmtinfo['sectname'] = 'form%d' % (len(formatters), )
return fmtinfo
def process_stream(stream):
if stream is None:
return None
if stream is sys.stdout:
return LiteralExpr('sys.stdout')
if stream is sys.stderr:
return LiteralExpr('sys.stderr')
return stream.name
def process_handler(handler):
if handler is None:
return dict(sectname=None)
if id(handler) in handlers:
return handlers[id(handler)]
klass = handler.__class__
try:
reduced_obj = handler.__reduce_ex__(2)
assert reduced_obj[0] is copy_reg.__newobj__
assert isinstance(reduced_obj[1], tuple)
assert len(reduced_obj[1]) == 1
assert reduced_obj[1][0] is klass
except Exception:
reduced_obj = None
if reduced_obj is None:
hdlrdict = handler.__dict__.copy()
else:
hndldict = reduced_obj[2].copy()
if klass is getattr(logging, '_StderrHandler', None):
hndlinfo = {'class': '_StderrHandler', 'args': '()'}
elif klass is logging.FileHandler:
if handler.delay is not False:
args = os.path.relpath(
handler.baseFilename
), handler.mode, handler.encoding, handler.delay
elif handler.encoding is not None:
args = os.path.relpath(
handler.baseFilename), handler.mode, handler.encoding
else:
args = os.path.relpath(handler.baseFilename), handler.mode
hndlinfo = {
'class': 'FileHandler',
'args': repr(args),
'filename': args[0],
'mode': args[1]
}
elif klass is logging.StreamHandler:
args = process_stream(handler.stream),
hndlinfo = {'class': 'StreamHandler', 'args': repr(args)}
elif isinstance(klass, logging.FileHandler):
args = os.path.relpath(handler.baseFilename), handler.mode
hndlinfo = {
'args': repr(args),
'filename': args[0],
'mode': args[1]
}
else:
assert klass.__module__ == 'logging', "Unknown class of handler " + repr(
handler)
if 'class' not in hndlinfo:
hndlinfo['class'] = klass.__module__ + '.' + klass.__name__
if getattr(handler, 'formatter', None):
hndlinfo['formatter'] = process_formatter(
handler.formatter)['sectname']
hndlinfo['level'] = logging.getLevelName(handler.level)
if issubclass(klass,
logging.handlers.MemoryHandler) and handler.target:
hndlinfo['target'] = process_handler(handler.target)
handlers[id(handler)] = hndlinfo
hndlinfo['sectname'] = handler._name or 'hand%d' % (
len(handlers), )
return hndlinfo
def process_logger(logger):
if isinstance(logger, logging.PlaceHolder):
return
if logger is None:
# used as "parent" of root logger
return dict(name='', qualname='')
if id(logger) in loggers:
return loggers[id(logger)]
channel = name = logger.name
if logger is logger.root:
channel = name = ''
parent = process_logger(logger.parent)
pnamel = len(parent['name'])
if pnamel and name[:pnamel + 1] == parent['name'] + '.':
channel = name[pnamel + 1:]
loginfo = dict(
name=name,
channel=channel,
qualname=name or '(root)',
sectname=(name or 'root').replace('.', '_'),
level=logging.getLevelName(logger.level),
parent=parent['qualname'],
)
if not logger.propagate:
loginfo['propagate'] = '0'
loginfo['handlers'] = ','.join(
hndlinfo['sectname']
for hndlinfo in (process_handler(handler)
for handler in logger.handlers) if hndlinfo)
loggers[id(logger)] = loginfo
#loginfo['sectname'] = name and 'log%d'%(len(loggers),) or 'root'
return loginfo
process_logger(logging.root)
for logname in sorted(list(logging.root.manager.loggerDict.keys())):
logger = logging.root.manager.loggerDict[logname]
process_logger(logger)
assert id(logging.root) in loggers
assert all('sectname' in loginfo for loginfo in loggers.values())
assert loggers[id(logging.root)]['sectname'] == 'root'
assert all('sectname' in loginfo for loginfo in loggers.values())
conf = RawConfigParser()
conf.add_section('loggers')
conf.set('loggers', 'keys',
','.join(loginfo['sectname'] for loginfo in loggers.values()))
if handlers:
conf.add_section('handlers')
conf.set(
'handlers', 'keys',
','.join(hndlinfo['sectname']
for hndlinfo in handlers.values()))
if formatters:
conf.add_section('formatters')
conf.set(
'formatters', 'keys',
','.join(fmtinfo['sectname']
for fmtinfo in formatters.values()))
for loginfo in loggers.values():
sectname = 'logger_' + loginfo.pop('sectname')
loginfo.pop('name')
conf.add_section(sectname)
for k, v in loginfo.items():
conf.set(sectname, k, v)
for hdlrinfo in handlers.values():
sectname = 'handler_' + hdlrinfo.pop('sectname')
conf.add_section(sectname)
for k, v in hdlrinfo.items():
conf.set(sectname, k, v)
for fmtinfo in formatters.values():
sectname = 'formatter_' + fmtinfo.pop('sectname')
conf.add_section(sectname)
for k, v in fmtinfo.items():
conf.set(sectname, k, v)
if sys.version_info[0:2] >= (3, 4):
conf.write(f, False)
else:
conf.write(f)
finally:
fclose()