99 lines
2.6 KiB
Python
99 lines
2.6 KiB
Python
"""
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Component that will help set the level of logging for components.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/logger/
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"""
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import logging
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from collections import OrderedDict
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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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DOMAIN = 'logger'
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LOGSEVERITY = {
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'CRITICAL': 50,
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'FATAL': 50,
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'ERROR': 40,
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'WARNING': 30,
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'WARN': 30,
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'INFO': 20,
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'DEBUG': 10,
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'NOTSET': 0
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}
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LOGGER_DEFAULT = 'default'
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LOGGER_LOGS = 'logs'
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_VALID_LOG_LEVEL = vol.All(vol.Upper, vol.In(LOGSEVERITY))
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CONFIG_SCHEMA = vol.Schema({
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DOMAIN: vol.Schema({
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vol.Optional(LOGGER_DEFAULT): _VALID_LOG_LEVEL,
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vol.Optional(LOGGER_LOGS): vol.Schema({cv.string: _VALID_LOG_LEVEL}),
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}),
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}, extra=vol.ALLOW_EXTRA)
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class HomeAssistantLogFilter(logging.Filter):
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"""A log filter."""
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# pylint: disable=no-init
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def __init__(self, logfilter):
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"""Initialize the filter."""
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super().__init__()
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self.logfilter = logfilter
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def filter(self, record):
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"""A filter to use."""
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# Log with filtered severity
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if LOGGER_LOGS in self.logfilter:
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for filtername in self.logfilter[LOGGER_LOGS]:
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logseverity = self.logfilter[LOGGER_LOGS][filtername]
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if record.name.startswith(filtername):
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return record.levelno >= logseverity
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# Log with default severity
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default = self.logfilter[LOGGER_DEFAULT]
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return record.levelno >= default
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def setup(hass, config=None):
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"""Setup the logger component."""
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logfilter = {}
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# Set default log severity
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logfilter[LOGGER_DEFAULT] = LOGSEVERITY['DEBUG']
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if LOGGER_DEFAULT in config.get(DOMAIN):
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logfilter[LOGGER_DEFAULT] = LOGSEVERITY[
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config.get(DOMAIN)[LOGGER_DEFAULT]
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]
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# Compute log severity for components
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if LOGGER_LOGS in config.get(DOMAIN):
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for key, value in config.get(DOMAIN)[LOGGER_LOGS].items():
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config.get(DOMAIN)[LOGGER_LOGS][key] = LOGSEVERITY[value]
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logs = OrderedDict(
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sorted(
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config.get(DOMAIN)[LOGGER_LOGS].items(),
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key=lambda t: len(t[0]),
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reverse=True
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)
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)
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logfilter[LOGGER_LOGS] = logs
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logger = logging.getLogger('')
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logger.setLevel(logging.NOTSET)
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# Set log filter for all log handler
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for handler in logging.root.handlers:
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handler.setLevel(logging.NOTSET)
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handler.addFilter(HomeAssistantLogFilter(logfilter))
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return True
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