107 lines
3.3 KiB
Python
107 lines
3.3 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import logging
|
|
import logging.config
|
|
import logging.handlers
|
|
|
|
|
|
class DelayedHandler(logging.Handler):
|
|
def __init__(self):
|
|
logging.Handler.__init__(self)
|
|
self._released = False
|
|
self._buffer = []
|
|
|
|
def handle(self, record):
|
|
if not self._released:
|
|
self._buffer.append(record)
|
|
|
|
def release(self):
|
|
self._released = True
|
|
root = logging.getLogger('')
|
|
while self._buffer:
|
|
root.handle(self._buffer.pop(0))
|
|
|
|
|
|
_delayed_handler = DelayedHandler()
|
|
|
|
|
|
def bootstrap_delayed_logging():
|
|
root = logging.getLogger('')
|
|
root.setLevel(logging.NOTSET)
|
|
root.addHandler(_delayed_handler)
|
|
|
|
|
|
def setup_logging(config, verbosity_level, save_debug_log):
|
|
logging.captureWarnings(True)
|
|
|
|
if config['logging']['config_file']:
|
|
# Logging config from file must be read before other handlers are
|
|
# added. If not, the other handlers will have no effect.
|
|
logging.config.fileConfig(config['logging']['config_file'])
|
|
|
|
setup_console_logging(config, verbosity_level)
|
|
if save_debug_log:
|
|
setup_debug_logging_to_file(config)
|
|
|
|
_delayed_handler.release()
|
|
|
|
|
|
LOG_LEVELS = {
|
|
-1: dict(root=logging.ERROR, mopidy=logging.WARNING),
|
|
0: dict(root=logging.ERROR, mopidy=logging.INFO),
|
|
1: dict(root=logging.WARNING, mopidy=logging.DEBUG),
|
|
2: dict(root=logging.INFO, mopidy=logging.DEBUG),
|
|
3: dict(root=logging.DEBUG, mopidy=logging.DEBUG),
|
|
}
|
|
|
|
|
|
class VerbosityFilter(logging.Filter):
|
|
def __init__(self, verbosity_level, loglevels):
|
|
self.verbosity_level = verbosity_level
|
|
self.loglevels = loglevels
|
|
|
|
def filter(self, record):
|
|
for name, required_log_level in self.loglevels.items():
|
|
if record.name == name or record.name.startswith(name + '.'):
|
|
return record.levelno >= required_log_level
|
|
|
|
if record.name.startswith('mopidy'):
|
|
required_log_level = LOG_LEVELS[self.verbosity_level]['mopidy']
|
|
else:
|
|
required_log_level = LOG_LEVELS[self.verbosity_level]['root']
|
|
return record.levelno >= required_log_level
|
|
|
|
|
|
def setup_console_logging(config, verbosity_level):
|
|
if verbosity_level < min(LOG_LEVELS.keys()):
|
|
verbosity_level = min(LOG_LEVELS.keys())
|
|
if verbosity_level > max(LOG_LEVELS.keys()):
|
|
verbosity_level = max(LOG_LEVELS.keys())
|
|
|
|
loglevels = config.get('loglevels', {})
|
|
has_debug_loglevels = any([
|
|
level < logging.INFO for level in loglevels.values()])
|
|
|
|
verbosity_filter = VerbosityFilter(verbosity_level, loglevels)
|
|
|
|
if verbosity_level < 1 and not has_debug_loglevels:
|
|
log_format = config['logging']['console_format']
|
|
else:
|
|
log_format = config['logging']['debug_format']
|
|
formatter = logging.Formatter(log_format)
|
|
|
|
handler = logging.StreamHandler()
|
|
handler.addFilter(verbosity_filter)
|
|
handler.setFormatter(formatter)
|
|
|
|
logging.getLogger('').addHandler(handler)
|
|
|
|
|
|
def setup_debug_logging_to_file(config):
|
|
formatter = logging.Formatter(config['logging']['debug_format'])
|
|
handler = logging.handlers.RotatingFileHandler(
|
|
config['logging']['debug_file'], maxBytes=10485760, backupCount=3)
|
|
handler.setFormatter(formatter)
|
|
|
|
logging.getLogger('').addHandler(handler)
|