def test_plain_text_output_format(self):
"""Inspect the plain text output of coloredlogs."""
logger = VerboseLogger(random_string(25))
stream = StringIO()
install(level=logging.NOTSET, logger=logger, stream=stream)
# Test that filtering on severity works.
logger.setLevel(logging.INFO)
logger.debug("No one should see this message.")
assert len(stream.getvalue().strip()) == 0
# Test that the default output format looks okay in plain text.
logger.setLevel(logging.NOTSET)
for method, severity in ((logger.debug, 'DEBUG'),
(logger.info, 'INFO'),
(logger.verbose, 'VERBOSE'),
(logger.warning, 'WARNING'),
(logger.error, 'ERROR'),
(logger.critical, 'CRITICAL')):
# Prepare the text.
text = "This is a message with severity %r." % severity.lower()
# Log the message with the given severity.
method(text)
# Get the line of output generated by the handler.
output = stream.getvalue()
lines = output.splitlines()
last_line = lines[-1]
assert text in last_line
assert severity in last_line
assert PLAIN_TEXT_PATTERN.match(last_line)
def test_plain_text_output_format(self):
"""Inspect the plain text output of coloredlogs."""
logger = VerboseLogger(random_string(25))
stream = StringIO()
install(level=logging.NOTSET, logger=logger, stream=stream)
# Test that filtering on severity works.
logger.setLevel(logging.INFO)
logger.debug("No one should see this message.")
assert len(stream.getvalue().strip()) == 0
# Test that the default output format looks okay in plain text.
logger.setLevel(logging.NOTSET)
for method, severity in ((logger.debug, 'DEBUG'), (logger.info,
'INFO'),
(logger.verbose, 'VERBOSE'), (logger.warning,
'WARN'),
(logger.error, 'ERROR'), (logger.critical,
'CRITICAL')):
# Prepare the text.
text = "This is a message with severity %r." % severity.lower()
# Log the message with the given severity.
method(text)
# Get the line of output generated by the handler.
output = stream.getvalue()
lines = output.splitlines()
last_line = lines[-1]
assert text in last_line
assert severity in last_line
assert PLAIN_TEXT_PATTERN.match(last_line)
def init_logging(logfile: Path) -> VerboseLogger:
dev_sync_logger = VerboseLogger(NAME)
logfile.parent.mkdir(exist_ok=True, parents=True)
coloredlogs.install(level="DEBUG",
milliseconds=True,
logger=dev_sync_logger)
dev_sync_logger.setLevel(logging.DEBUG)
fh = TimedRotatingFileHandler(logfile, when="MIDNIGHT")
fh.setFormatter(logging.Formatter(coloredlogs.DEFAULT_LOG_FORMAT))
dev_sync_logger.addHandler(fh)
return dev_sync_logger
def test_plain_text_output_format(self):
"""Inspect the plain text output of coloredlogs."""
logger = VerboseLogger(random_string(25))
stream = StringIO()
install(level=logging.NOTSET, logger=logger, stream=stream)
# Test that filtering on severity works.
logger.setLevel(logging.INFO)
logger.debug("No one should see this message.")
assert len(stream.getvalue().strip()) == 0
# Test that the default output format looks okay in plain text.
logger.setLevel(logging.NOTSET)
for method, severity in ((logger.debug, 'DEBUG'),
(logger.info, 'INFO'),
(logger.verbose, 'VERBOSE'),
(logger.warning, 'WARNING'),
(logger.error, 'ERROR'),
(logger.critical, 'CRITICAL')):
# XXX Workaround for a regression in Python 3.7 caused by the
# Logger.isEnabledFor() method using stale cache entries. If we
# don't clear the cache then logger.isEnabledFor(logging.DEBUG)
# returns False and no DEBUG message is emitted.
try:
logger._cache.clear()
except AttributeError:
pass
# Prepare the text.
text = "This is a message with severity %r." % severity.lower()
# Log the message with the given severity.
method(text)
# Get the line of output generated by the handler.
output = stream.getvalue()
lines = output.splitlines()
last_line = lines[-1]
assert text in last_line
assert severity in last_line
assert PLAIN_TEXT_PATTERN.match(last_line)
return ansi_text(message, color=colorname, bold=bold)
else:
return message
if __name__ == '__main__':
# If my verbose logger is installed, we'll use that for the demo.
try:
from verboselogs import VerboseLogger as DemoLogger
except ImportError:
from logging import getLogger as DemoLogger
# Initialize the logger.
logger = DemoLogger('coloredlogs-demo')
logger.addHandler(ColoredStreamHandler())
logger.setLevel(logging.DEBUG)
# Print some examples with different timestamps.
for level in ['debug', 'verbose', 'info', 'warn', 'error', 'critical']:
if hasattr(logger, level):
getattr(logger, level)("message with level %r", level)
time.sleep(1)
# Show how exceptions are logged.
try:
class RandomException(Exception):
pass
raise RandomException, "Something went horribly wrong!"
except Exception, e:
logger.exception(e)
logger.info("Done, exiting ..")
else:
return message
if __name__ == '__main__':
# If my verbose logger is installed, we'll use that for the demo.
try:
from verboselogs import VerboseLogger as DemoLogger
except ImportError:
from logging import getLogger as DemoLogger
# Initialize the logger.
logger = DemoLogger('coloredlogs-demo')
logger.addHandler(ColoredStreamHandler())
logger.setLevel(logging.DEBUG)
# Print some examples with different timestamps.
for level in ['debug', 'verbose', 'info', 'warn', 'error', 'critical']:
if hasattr(logger, level):
getattr(logger, level)("message with level %r", level)
time.sleep(1)
# Show how exceptions are logged.
try:
class RandomException(Exception):
pass
raise RandomException, "Something went horribly wrong!"
except Exception, e: