82 lines
2.5 KiB
Python
82 lines
2.5 KiB
Python
import traceback
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from contextlib import contextmanager
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from contextvars import ContextVar
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from uuid import uuid4
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_ACTIVE_LOG_GROUP = ContextVar('appdaemon_log_group', default=None)
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@contextmanager
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def log_group(kind, label=None, *, inherit=True):
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"""Tag LoggerInterface messages in this synchronous operation with one group ID."""
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parent = _ACTIVE_LOG_GROUP.get() if inherit else None
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group = parent or {
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'id': uuid4().hex[:12],
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'kind': kind,
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'label': str(label) if label is not None else '',
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}
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token = _ACTIVE_LOG_GROUP.set(group)
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try:
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yield group
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finally:
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_ACTIVE_LOG_GROUP.reset(token)
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class LoggerInterface:
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def __init__(self):
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self.initialized = False
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def __init__(self, ad_api, default_log='main_log', mute=False):
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self.initialize_logger_interface(ad_api, default_log, mute)
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def initialize_logger_interface(self, ad_api, default_log='main_log', mute=False):
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self.ad_api = ad_api
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self.default_log = default_log
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self.mute = False
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self.initialized = True
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def log_group(self, kind, label=None):
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return log_group(kind, label)
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@staticmethod
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def _tag_log_message(message):
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group = _ACTIVE_LOG_GROUP.get()
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if group is None:
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return message
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marker = f"[group={group['kind']}:{group['id']}]"
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if isinstance(message, str) and marker in message:
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return message
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return f"{message} {marker}"
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def mute_logger(self, mute: bool):
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if mute:
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self.ad_api.log(self._tag_log_message('Muting logger'), level='INFO', log=self.default_log)
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self.mute = bool(mute)
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def log_info(self, message):
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assert self.initialized
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if not self.mute:
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self.ad_api.log(self._tag_log_message(message), level='INFO', log=self.default_log)
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def log_warning(self, message):
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assert self.initialized
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self.ad_api.log(self._tag_log_message(message), level='WARNING', log=self.default_log)
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def log_error(self, message, stop_app=False, dump_stack=False):
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assert self.initialized
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if dump_stack:
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stack = '\n'
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for line in traceback.format_stack()[:-1]:
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stack += line.strip() + '\n'
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else:
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stack = ''
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message = self._tag_log_message(message)
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self.ad_api.log(message, level='ERROR', log=self.default_log)
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self.ad_api.log(message + stack, level='ERROR', log='error_log')
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if stop_app:
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self.stop_app(self.name)
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