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User-selectable logger formats

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Unrud 2023-03-21 16:48:39 +01:00 • committed by Unrud
parent 8efb942892
commit 6ae831a324
1 changed files with 22 additions and 7 deletions
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29
radicale/log.py
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@ -40,7 +40,10 @@ from typing import (Any, Callable, ClassVar, Dict, Iterator, Mapping, Optional,
from radicale import types
LOGGER_NAME: str = "radicale"
LOGGER_FORMAT: str = "[%(asctime)s] [%(ident)s] [%(levelname)s] %(message)s"
LOGGER_FORMATS: Mapping[str, str] = {
"verbose": "[%(asctime)s] [%(ident)s] [%(levelname)s] %(message)s",
"journal": "[%(ident)s] [%(levelname)s] %(message)s",
}
DATE_FORMAT: str = "%Y-%m-%d %H:%M:%S %z"
logger: logging.Logger = logging.getLogger(LOGGER_NAME)
@ -89,8 +92,10 @@ class ThreadedStreamHandler(logging.Handler):
_journal_stream_id: Optional[Tuple[int, int]]
_journal_socket: Optional[socket.socket]
_journal_socket_failed: bool
_formatters: Mapping[str, logging.Formatter]
_formatter: Optional[logging.Formatter]
def __init__(self) -> None:
def __init__(self, format_name: Optional[str] = None) -> None:
super().__init__()
self._streams = {}
self._journal_stream_id = None
@ -99,6 +104,13 @@ class ThreadedStreamHandler(logging.Handler):
self._journal_stream_id = (int(dev), int(inode))
self._journal_socket = None
self._journal_socket_failed = False
self._formatters = {name: logging.Formatter(fmt, DATE_FORMAT)
for name, fmt in LOGGER_FORMATS.items()}
self._formatter = (self._formatters[format_name]
if format_name is not None else None)
def _get_formatter(self, default_format_name: str) -> logging.Formatter:
return self._formatter or self._formatters[default_format_name]
def _detect_journal(self, stream: types.ErrorStream) -> bool:
if not self._journal_stream_id or not isinstance(stream, io.IOBase):
@ -161,7 +173,7 @@ class ThreadedStreamHandler(logging.Handler):
"CODE_FILE": record.pathname,
"CODE_LINE": record.lineno,
"CODE_FUNC": record.funcName,
"MESSAGE": self.format(record)}
"MESSAGE": self._get_formatter("journal").format(record)}
self._journal_socket.sendall(self._encode_journal(data))
return True
@ -170,7 +182,7 @@ class ThreadedStreamHandler(logging.Handler):
stream = self._streams.get(threading.get_ident(), sys.stderr)
if self._detect_journal(stream) and self._try_emit_journal(record):
return
msg = self.format(record)
msg = self._get_formatter("verbose").format(record)
stream.write(msg + self.terminator)
stream.flush()
except Exception:
@ -196,13 +208,16 @@ def register_stream(stream: types.ErrorStream) -> Iterator[None]:
def setup() -> None:
"""Set global logging up."""
global register_stream
handler = ThreadedStreamHandler()
logging.basicConfig(format=LOGGER_FORMAT, datefmt=DATE_FORMAT,
handlers=[handler])
format_name = os.environ.get("RADICALE_LOG_FORMAT") or None
sane_format_name = format_name if format_name in LOGGER_FORMATS else None
handler = ThreadedStreamHandler(sane_format_name)
logging.basicConfig(handlers=[handler])
register_stream = handler.register_stream
log_record_factory = IdentLogRecordFactory(logging.getLogRecordFactory())
logging.setLogRecordFactory(log_record_factory)
set_level(logging.WARNING)
if format_name != sane_format_name:
logger.error("Invalid RADICALE_LOG_FORMAT: %r", format_name)
def set_level(level: Union[int, str]) -> None: