def test_format(self):
out = StringIO()
err = StringIO()
name = '%s.test_format' % self.__class__.__name__
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = ConfigureOutputHandler(out, err)
handler.setFormatter(logging.Formatter('%(levelname)s:%(message)s'))
logger.addHandler(handler)
logger.error('foo')
logger.warning('bar')
logger.info('baz')
# DEBUG level is not printed out by this handler
logger.debug('qux')
self.assertEqual(out.getvalue(), 'baz\n')
self.assertEqual(err.getvalue(), 'ERROR:foo\n' 'WARNING:bar\n')
def test_format(self):
out = StringIO()
err = StringIO()
name = '%s.test_format' % self.__class__.__name__
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = ConfigureOutputHandler(out, err)
handler.setFormatter(logging.Formatter('%(levelname)s:%(message)s'))
logger.addHandler(handler)
logger.error('foo')
logger.warning('bar')
logger.info('baz')
# DEBUG level is not printed out by this handler
logger.debug('qux')
self.assertEqual(out.getvalue(), 'baz\n')
self.assertEqual(
err.getvalue(),
'ERROR:foo\n'
'WARNING:bar\n'
)
def test_continuation(self):
out = StringIO()
name = '%s.test_continuation' % self.__class__.__name__
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = ConfigureOutputHandler(out, out)
handler.setFormatter(logging.Formatter('%(levelname)s:%(message)s'))
logger.addHandler(handler)
logger.info('foo')
logger.info('checking bar... ')
logger.info('yes')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'foo\n'
'checking bar... yes\n'
'qux\n'
)
out.seek(0)
out.truncate()
logger.info('foo')
logger.info('checking bar... ')
logger.warning('hoge')
logger.info('no')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'foo\n'
'checking bar... \n'
'WARNING:hoge\n'
' ... no\n'
'qux\n'
)
out.seek(0)
out.truncate()
logger.info('foo')
logger.info('checking bar... ')
logger.warning('hoge')
logger.warning('fuga')
logger.info('no')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'foo\n'
'checking bar... \n'
'WARNING:hoge\n'
'WARNING:fuga\n'
' ... no\n'
'qux\n'
)
out.seek(0)
out.truncate()
err = StringIO()
logger.removeHandler(handler)
handler = ConfigureOutputHandler(out, err)
handler.setFormatter(logging.Formatter('%(levelname)s:%(message)s'))
logger.addHandler(handler)
logger.info('foo')
logger.info('checking bar... ')
logger.warning('hoge')
logger.warning('fuga')
logger.info('no')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'foo\n'
'checking bar... no\n'
'qux\n'
)
self.assertEqual(
err.getvalue(),
'WARNING:hoge\n'
'WARNING:fuga\n'
)
def test_queue_debug(self):
out = StringIO()
name = '%s.test_queue_debug' % self.__class__.__name__
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = ConfigureOutputHandler(out, out, maxlen=3)
handler.setFormatter(logging.Formatter('%(levelname)s:%(message)s'))
logger.addHandler(handler)
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.info('yes')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'checking bar... yes\n'
'qux\n'
)
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.info('no')
logger.error('fail')
self.assertEqual(
out.getvalue(),
'checking bar... no\n'
'DEBUG:do foo\n'
'ERROR:fail\n'
)
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.debug('do bar')
logger.debug('do baz')
logger.info('no')
logger.error('fail')
self.assertEqual(
out.getvalue(),
'checking bar... no\n'
'DEBUG:do foo\n'
'DEBUG:do bar\n'
'DEBUG:do baz\n'
'ERROR:fail\n'
)
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.debug('do bar')
logger.debug('do baz')
logger.debug('do qux')
logger.debug('do hoge')
logger.info('no')
logger.error('fail')
self.assertEqual(
out.getvalue(),
'checking bar... no\n'
'DEBUG:<truncated - see config.log for full output>\n'
'DEBUG:do baz\n'
'DEBUG:do qux\n'
'DEBUG:do hoge\n'
'ERROR:fail\n'
)
def __init__(self, config, environ=os.environ, argv=sys.argv,
stdout=sys.stdout, stderr=sys.stderr, logger=None):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._environ = dict(environ)
self._paths = []
self._all_paths = set()
self._templates = set()
# Associate SandboxDependsFunctions to DependsFunctions.
self._depends = OrderedDict()
self._seen = set()
# Store the @imports added to a given function.
self._imports = {}
self._options = OrderedDict()
# Store raw option (as per command line or environment) for each Option
self._raw_options = OrderedDict()
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred. Their order matters, so use a list.
self._implied_options = []
# Store all results from _prepare_function
self._prepared_functions = set()
# Queue of functions to execute, with their arguments
self._execution_queue = []
# Store the `when`s associated to some options.
self._conditions = {}
# A list of conditions to apply as a default `when` for every *_impl()
self._default_conditions = []
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config = config
# Tracks how many templates "deep" we are in the stack.
self._template_depth = 0
logging.addLevelName(TRACE, 'TRACE')
if logger is None:
logger = moz_logger = logging.getLogger('moz.configure')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = ConfigureOutputHandler(stdout, stderr)
handler.setFormatter(formatter)
queue_debug = handler.queue_debug
logger.addHandler(handler)
else:
assert isinstance(logger, logging.Logger)
moz_logger = None
@contextmanager
def queue_debug():
yield
self._logger = logger
# Some callers will manage to log a bytestring with characters in it
# that can't be converted to ascii. Make our log methods robust to this
# by detecting the encoding that a producer is likely to have used.
encoding = getpreferredencoding()
def wrapped_log_method(logger, key):
method = getattr(logger, key)
def wrapped(*args, **kwargs):
out_args = [
six.ensure_text(arg, encoding=encoding or 'utf-8')
if isinstance(arg, six.binary_type) else arg for arg in args
]
return method(*out_args, **kwargs)
return wrapped
log_namespace = {
k: wrapped_log_method(logger, k)
for k in ('debug', 'info', 'warning', 'error')
}
log_namespace['queue_debug'] = queue_debug
self.log_impl = ReadOnlyNamespace(**log_namespace)
self._help = None
self._help_option = self.option_impl(
'--help', help='print this message', category=HELP_OPTIONS_CATEGORY)
self._seen.add(self._help_option)
self._always = DependsFunction(self, lambda: True, [])
self._never = DependsFunction(self, lambda: False, [])
if self._value_for(self._help_option):
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
elif moz_logger:
handler = logging.FileHandler('config.log', mode='w', delay=True,
encoding='utf-8')
handler.setFormatter(formatter)
logger.addHandler(handler)
def __init__(self, config, environ=os.environ, argv=sys.argv,
stdout=sys.stdout, stderr=sys.stderr, logger=None):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._paths = []
self._all_paths = set()
self._templates = set()
# Associate SandboxDependsFunctions to DependsFunctions.
self._depends = OrderedDict()
self._seen = set()
# Store the @imports added to a given function.
self._imports = {}
self._options = OrderedDict()
# Store raw option (as per command line or environment) for each Option
self._raw_options = OrderedDict()
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred. Their order matters, so use a list.
self._implied_options = []
# Store all results from _prepare_function
self._prepared_functions = set()
# Queue of functions to execute, with their arguments
self._execution_queue = []
# Store the `when`s associated to some options.
self._conditions = {}
# A list of conditions to apply as a default `when` for every *_impl()
self._default_conditions = []
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config = config
if logger is None:
logger = moz_logger = logging.getLogger('moz.configure')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = ConfigureOutputHandler(stdout, stderr)
handler.setFormatter(formatter)
queue_debug = handler.queue_debug
logger.addHandler(handler)
else:
assert isinstance(logger, logging.Logger)
moz_logger = None
@contextmanager
def queue_debug():
yield
# Some callers will manage to log a bytestring with characters in it
# that can't be converted to ascii. Make our log methods robust to this
# by detecting the encoding that a producer is likely to have used.
encoding = getpreferredencoding()
def wrapped_log_method(logger, key):
method = getattr(logger, key)
if not encoding:
return method
def wrapped(*args, **kwargs):
out_args = [
arg.decode(encoding) if isinstance(arg, str) else arg
for arg in args
]
return method(*out_args, **kwargs)
return wrapped
log_namespace = {
k: wrapped_log_method(logger, k)
for k in ('debug', 'info', 'warning', 'error')
}
log_namespace['queue_debug'] = queue_debug
self.log_impl = ReadOnlyNamespace(**log_namespace)
self._help = None
self._help_option = self.option_impl('--help',
help='print this message')
self._seen.add(self._help_option)
self._always = DependsFunction(self, lambda: True, [])
self._never = DependsFunction(self, lambda: False, [])
if self._value_for(self._help_option):
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
elif moz_logger:
handler = logging.FileHandler('config.log', mode='w', delay=True)
handler.setFormatter(formatter)
logger.addHandler(handler)
def __init__(self, config, environ=os.environ, argv=sys.argv,
stdout=sys.stdout, stderr=sys.stderr, logger=None):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._paths = []
self._all_paths = set()
self._templates = set()
# Store the real function and its dependencies, behind each
# DependsFunction generated from @depends.
self._depends = {}
self._seen = set()
# Store the @imports added to a given function.
self._imports = {}
self._options = OrderedDict()
# Store raw option (as per command line or environment) for each Option
self._raw_options = OrderedDict()
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred. Their order matters, so use a list.
self._implied_options = []
# Store all results from _prepare_function
self._prepared_functions = set()
# Queue of functions to execute, with their arguments
self._execution_queue = []
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config = config
if logger is None:
logger = moz_logger = logging.getLogger('moz.configure')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = ConfigureOutputHandler(stdout, stderr)
handler.setFormatter(formatter)
queue_debug = handler.queue_debug
logger.addHandler(handler)
else:
assert isinstance(logger, logging.Logger)
moz_logger = None
@contextmanager
def queue_debug():
yield
log_namespace = {
k: getattr(logger, k)
for k in ('debug', 'info', 'warning', 'error')
}
log_namespace['queue_debug'] = queue_debug
self.log_impl = ReadOnlyNamespace(**log_namespace)
self._help = None
self._help_option = self.option_impl('--help',
help='print this message')
self._seen.add(self._help_option)
if self._value_for(self._help_option):
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
elif moz_logger:
handler = logging.FileHandler('config.log', mode='w', delay=True)
handler.setFormatter(formatter)
logger.addHandler(handler)
def test_continuation(self):
out = StringIO()
name = '%s.test_continuation' % self.__class__.__name__
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = ConfigureOutputHandler(out, out)
handler.setFormatter(logging.Formatter('%(levelname)s:%(message)s'))
logger.addHandler(handler)
logger.info('foo')
logger.info('checking bar... ')
logger.info('yes')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'foo\n'
'checking bar... yes\n'
'qux\n'
)
out.seek(0)
out.truncate()
logger.info('foo')
logger.info('checking bar... ')
logger.warning('hoge')
logger.info('no')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'foo\n'
'checking bar... \n'
'WARNING:hoge\n'
' ... no\n'
'qux\n'
)
out.seek(0)
out.truncate()
logger.info('foo')
logger.info('checking bar... ')
logger.warning('hoge')
logger.warning('fuga')
logger.info('no')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'foo\n'
'checking bar... \n'
'WARNING:hoge\n'
'WARNING:fuga\n'
' ... no\n'
'qux\n'
)
out.seek(0)
out.truncate()
err = StringIO()
logger.removeHandler(handler)
handler = ConfigureOutputHandler(out, err)
handler.setFormatter(logging.Formatter('%(levelname)s:%(message)s'))
logger.addHandler(handler)
logger.info('foo')
logger.info('checking bar... ')
logger.warning('hoge')
logger.warning('fuga')
logger.info('no')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'foo\n'
'checking bar... no\n'
'qux\n'
)
self.assertEqual(
err.getvalue(),
'WARNING:hoge\n'
'WARNING:fuga\n'
)
def test_queue_debug_reentrant(self):
out = StringIO()
name = '%s.test_queue_debug_reentrant' % self.__class__.__name__
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = ConfigureOutputHandler(out, out, maxlen=10)
handler.setFormatter(logging.Formatter('%(levelname)s| %(message)s'))
logger.addHandler(handler)
try:
with handler.queue_debug():
logger.info('outer info')
logger.debug('outer debug')
with handler.queue_debug():
logger.info('inner info')
logger.debug('inner debug')
e = Exception('inner exception')
raise e
except Exception as caught:
self.assertIs(caught, e)
self.assertEqual(out.getvalue(),
'outer info\n'
'inner info\n'
'DEBUG| outer debug\n'
'DEBUG| inner debug\n')
out.seek(0)
out.truncate()
try:
with handler.queue_debug():
logger.info('outer info')
logger.debug('outer debug')
with handler.queue_debug():
logger.info('inner info')
logger.debug('inner debug')
e = Exception('outer exception')
raise e
except Exception as caught:
self.assertIs(caught, e)
self.assertEqual(out.getvalue(),
'outer info\n'
'inner info\n'
'DEBUG| outer debug\n'
'DEBUG| inner debug\n')
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('outer info')
logger.debug('outer debug')
with handler.queue_debug():
logger.info('inner info')
logger.debug('inner debug')
logger.error('inner error')
self.assertEqual(out.getvalue(),
'outer info\n'
'inner info\n'
'DEBUG| outer debug\n'
'DEBUG| inner debug\n'
'ERROR| inner error\n')
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('outer info')
logger.debug('outer debug')
with handler.queue_debug():
logger.info('inner info')
logger.debug('inner debug')
logger.error('outer error')
self.assertEqual(out.getvalue(),
'outer info\n'
'inner info\n'
'DEBUG| outer debug\n'
'DEBUG| inner debug\n'
'ERROR| outer error\n')
def test_queue_debug(self):
out = StringIO()
name = '%s.test_queue_debug' % self.__class__.__name__
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = ConfigureOutputHandler(out, out, maxlen=3)
handler.setFormatter(logging.Formatter('%(levelname)s:%(message)s'))
logger.addHandler(handler)
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.info('yes')
logger.info('qux')
self.assertEqual(
out.getvalue(),
'checking bar... yes\n'
'qux\n'
)
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.info('no')
logger.error('fail')
self.assertEqual(
out.getvalue(),
'checking bar... no\n'
'DEBUG:do foo\n'
'ERROR:fail\n'
)
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.debug('do bar')
logger.debug('do baz')
logger.info('no')
logger.error('fail')
self.assertEqual(
out.getvalue(),
'checking bar... no\n'
'DEBUG:do foo\n'
'DEBUG:do bar\n'
'DEBUG:do baz\n'
'ERROR:fail\n'
)
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.debug('do bar')
logger.debug('do baz')
logger.debug('do qux')
logger.debug('do hoge')
logger.info('no')
logger.error('fail')
self.assertEqual(
out.getvalue(),
'checking bar... no\n'
'DEBUG:<truncated - see config.log for full output>\n'
'DEBUG:do baz\n'
'DEBUG:do qux\n'
'DEBUG:do hoge\n'
'ERROR:fail\n'
)
out.seek(0)
out.truncate()
try:
with handler.queue_debug():
logger.info('checking bar... ')
logger.debug('do foo')
logger.debug('do bar')
logger.info('no')
e = Exception('fail')
raise e
except Exception as caught:
self.assertIs(caught, e)
self.assertEqual(
out.getvalue(),
'checking bar... no\n'
'DEBUG:do foo\n'
'DEBUG:do bar\n'
)
def __init__(self,
config,
environ=os.environ,
argv=sys.argv,
stdout=sys.stdout,
stderr=sys.stderr,
logger=None):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._paths = []
self._templates = set()
# Store the real function and its dependencies, behind each
# DependsFunction generated from @depends.
self._depends = {}
self._seen = set()
# Store the @imports added to a given function.
self._imports = {}
self._options = OrderedDict()
# Store the raw values returned by @depends functions
self._results = {}
# Store values for each Option, as per returned by Option.get_value
self._option_values = {}
# Store raw option (as per command line or environment) for each Option
self._raw_options = {}
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred.
self._implied_options = {}
# Store all results from _prepare_function
self._prepared_functions = set()
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config = config
if logger is None:
logger = moz_logger = logging.getLogger('moz.configure')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = ConfigureOutputHandler(stdout, stderr)
handler.setFormatter(formatter)
queue_debug = handler.queue_debug
logger.addHandler(handler)
else:
assert isinstance(logger, logging.Logger)
moz_logger = None
@contextmanager
def queue_debug():
yield
log_namespace = {
k: getattr(logger, k)
for k in ('debug', 'info', 'warning', 'error')
}
log_namespace['queue_debug'] = queue_debug
self.log_impl = ReadOnlyNamespace(**log_namespace)
self._help = None
self._help_option = self.option_impl('--help',
help='print this message')
self._seen.add(self._help_option)
# self._option_impl('--help') will have set this if --help was on the
# command line.
if self._option_values[self._help_option]:
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
elif moz_logger:
handler = logging.FileHandler('config.log', mode='w', delay=True)
handler.setFormatter(formatter)
logger.addHandler(handler)
def test_queue_debug_reentrant(self):
out = StringIO()
name = '%s.test_queue_debug_reentrant' % self.__class__.__name__
logger = logging.getLogger(name)
logger.setLevel(logging.DEBUG)
handler = ConfigureOutputHandler(out, out, maxlen=10)
handler.setFormatter(logging.Formatter('%(levelname)s| %(message)s'))
logger.addHandler(handler)
try:
with handler.queue_debug():
logger.info('outer info')
logger.debug('outer debug')
with handler.queue_debug():
logger.info('inner info')
logger.debug('inner debug')
e = Exception('inner exception')
raise e
except Exception as caught:
self.assertIs(caught, e)
self.assertEqual(out.getvalue(),
'outer info\n'
'inner info\n'
'DEBUG| outer debug\n'
'DEBUG| inner debug\n')
out.seek(0)
out.truncate()
try:
with handler.queue_debug():
logger.info('outer info')
logger.debug('outer debug')
with handler.queue_debug():
logger.info('inner info')
logger.debug('inner debug')
e = Exception('outer exception')
raise e
except Exception as caught:
self.assertIs(caught, e)
self.assertEqual(out.getvalue(),
'outer info\n'
'inner info\n'
'DEBUG| outer debug\n'
'DEBUG| inner debug\n')
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('outer info')
logger.debug('outer debug')
with handler.queue_debug():
logger.info('inner info')
logger.debug('inner debug')
logger.error('inner error')
self.assertEqual(out.getvalue(),
'outer info\n'
'inner info\n'
'DEBUG| outer debug\n'
'DEBUG| inner debug\n'
'ERROR| inner error\n')
out.seek(0)
out.truncate()
with handler.queue_debug():
logger.info('outer info')
logger.debug('outer debug')
with handler.queue_debug():
logger.info('inner info')
logger.debug('inner debug')
logger.error('outer error')
self.assertEqual(out.getvalue(),
'outer info\n'
'inner info\n'
'DEBUG| outer debug\n'
'DEBUG| inner debug\n'
'ERROR| outer error\n')
def __init__(self, config, environ=os.environ, argv=sys.argv,
stdout=sys.stdout, stderr=sys.stderr, logger=None):
dict.__setitem__(self, '__builtins__', self.BUILTINS)
self._paths = []
self._all_paths = set()
self._templates = set()
# Store the real function and its dependencies, behind each
# DependsFunction generated from @depends.
self._depends = {}
self._seen = set()
# Store the @imports added to a given function.
self._imports = {}
self._options = OrderedDict()
# Store raw option (as per command line or environment) for each Option
self._raw_options = OrderedDict()
# Store options added with `imply_option`, and the reason they were
# added (which can either have been given to `imply_option`, or
# inferred. Their order matters, so use a list.
self._implied_options = []
# Store all results from _prepare_function
self._prepared_functions = set()
# Queue of functions to execute, with their arguments
self._execution_queue = []
self._helper = CommandLineHelper(environ, argv)
assert isinstance(config, dict)
self._config = config
if logger is None:
logger = moz_logger = logging.getLogger('moz.configure')
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(levelname)s: %(message)s')
handler = ConfigureOutputHandler(stdout, stderr)
handler.setFormatter(formatter)
queue_debug = handler.queue_debug
logger.addHandler(handler)
else:
assert isinstance(logger, logging.Logger)
moz_logger = None
@contextmanager
def queue_debug():
yield
# Some callers will manage to log a bytestring with characters in it
# that can't be converted to ascii. Make our log methods robust to this
# by detecting the encoding that a producer is likely to have used.
encoding = getpreferredencoding()
def wrapped_log_method(logger, key):
method = getattr(logger, key)
if not encoding:
return method
def wrapped(*args, **kwargs):
out_args = [
arg.decode(encoding) if isinstance(arg, str) else arg
for arg in args
]
return method(*out_args, **kwargs)
return wrapped
log_namespace = {
k: wrapped_log_method(logger, k)
for k in ('debug', 'info', 'warning', 'error')
}
log_namespace['queue_debug'] = queue_debug
self.log_impl = ReadOnlyNamespace(**log_namespace)
self._help = None
self._help_option = self.option_impl('--help',
help='print this message')
self._seen.add(self._help_option)
if self._value_for(self._help_option):
self._help = HelpFormatter(argv[0])
self._help.add(self._help_option)
elif moz_logger:
handler = logging.FileHandler('config.log', mode='w', delay=True)
handler.setFormatter(formatter)
logger.addHandler(handler)