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bitfinex-api-py/bfxapi/_utils/logging.py

73 lines
1.9 KiB
Python

import sys
from copy import copy
from logging import *
from typing import TYPE_CHECKING, Literal, Optional
if TYPE_CHECKING:
_Level = Literal["NOTSET", "DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"]
_BLACK, _RED, _GREEN, _YELLOW, _BLUE, _MAGENTA, _CYAN, _WHITE = [
f"\033[0;{90 + i}m" for i in range(8)
]
(
_BOLD_BLACK,
_BOLD_RED,
_BOLD_GREEN,
_BOLD_YELLOW,
_BOLD_BLUE,
_BOLD_MAGENTA,
_BOLD_CYAN,
_BOLD_WHITE,
) = [f"\033[1;{90 + i}m" for i in range(8)]
_NC = "\033[0m"
class _ColorFormatter(Formatter):
__LEVELS = {
"INFO": _BLUE,
"WARNING": _YELLOW,
"ERROR": _RED,
"CRITICAL": _BOLD_RED,
"DEBUG": _BOLD_WHITE,
}
def format(self, record: LogRecord) -> str:
_record = copy(record)
_record.name = _MAGENTA + record.name + _NC
_record.levelname = _ColorFormatter.__format_level(record.levelname)
return super().format(_record)
def formatTime(self, record: LogRecord, datefmt: Optional[str] = None) -> str:
return _GREEN + super().formatTime(record, datefmt) + _NC
@staticmethod
def __format_level(level: str) -> str:
return _ColorFormatter.__LEVELS[level] + level + _NC
_FORMAT = "%(asctime)s %(name)s %(levelname)s %(message)s"
_DATE_FORMAT = "%d-%m-%Y %H:%M:%S"
class ColorLogger(Logger):
__FORMATTER = Formatter(_FORMAT, _DATE_FORMAT)
def __init__(self, name: str, level: "_Level" = "NOTSET") -> None:
super().__init__(name, level)
formatter = _ColorFormatter(_FORMAT, _DATE_FORMAT)
handler = StreamHandler(stream=sys.stderr)
handler.setFormatter(fmt=formatter)
self.addHandler(hdlr=handler)
def register(self, filename: str) -> None:
handler = FileHandler(filename=filename)
handler.setFormatter(fmt=ColorLogger.__FORMATTER)
self.addHandler(hdlr=handler)