ComfyUI/app/logger.py
2026-05-25 10:00:55 +08:00

135 lines
3.8 KiB
Python

from collections import deque
from datetime import datetime
import io
import logging
import sys
import threading
ANSI_NAMED_COLORS = {
'black': '\033[30m',
'red': '\033[31m',
'green': '\033[32m',
'yellow': '\033[33m',
'blue': '\033[34m',
'magenta': '\033[35m',
'cyan': '\033[36m',
'white': '\033[37m',
}
ANSI_LEVEL_COLORS = {
'DEBUG': ANSI_NAMED_COLORS['cyan'],
'INFO': ANSI_NAMED_COLORS['green'],
'WARNING': ANSI_NAMED_COLORS['yellow'],
'ERROR': ANSI_NAMED_COLORS['red'],
'CRITICAL': ANSI_NAMED_COLORS['magenta'],
}
ANSI_RESET = '\033[0m'
ANSI_BOLD = '\033[1m'
class ColoredFormatter(logging.Formatter):
def format(self, record):
color = ANSI_LEVEL_COLORS.get(record.levelname, '')
bold = ANSI_BOLD if record.levelno >= logging.WARNING else ''
level_tag = f"{bold}{color}[{record.levelname}]{ANSI_RESET} "
message = super().format(record)
line_color = ANSI_NAMED_COLORS.get(getattr(record, 'color', ''), '')
if line_color:
return f"{level_tag}{line_color}{message}{ANSI_RESET}"
return level_tag + message
logs = None
stdout_interceptor = None
stderr_interceptor = None
class LogInterceptor(io.TextIOWrapper):
def __init__(self, stream, *args, **kwargs):
buffer = stream.buffer
encoding = stream.encoding
super().__init__(buffer, *args, **kwargs, encoding=encoding, line_buffering=stream.line_buffering)
self._lock = threading.Lock()
self._flush_callbacks = []
self._logs_since_flush = []
def write(self, data):
entry = {"t": datetime.now().isoformat(), "m": data}
with self._lock:
self._logs_since_flush.append(entry)
# Simple handling for cr to overwrite the last output if it isnt a full line
# else logs just get full of progress messages
if isinstance(data, str) and data.startswith("\r") and not logs[-1]["m"].endswith("\n"):
logs.pop()
logs.append(entry)
super().write(data)
def flush(self):
super().flush()
for cb in self._flush_callbacks:
cb(self._logs_since_flush)
self._logs_since_flush = []
def on_flush(self, callback):
self._flush_callbacks.append(callback)
def get_logs():
return logs
def on_flush(callback):
if stdout_interceptor is not None:
stdout_interceptor.on_flush(callback)
if stderr_interceptor is not None:
stderr_interceptor.on_flush(callback)
def setup_logger(log_level: str = 'INFO', capacity: int = 300, use_stdout: bool = False):
global logs
if logs:
return
# Override output streams and log to buffer
logs = deque(maxlen=capacity)
global stdout_interceptor
global stderr_interceptor
stdout_interceptor = sys.stdout = LogInterceptor(sys.stdout)
stderr_interceptor = sys.stderr = LogInterceptor(sys.stderr)
# Setup default global logger
logger = logging.getLogger()
logger.setLevel(log_level)
formatter = ColoredFormatter("%(message)s")
stream_handler = logging.StreamHandler()
stream_handler.setFormatter(formatter)
if use_stdout:
# Only errors and critical to stderr
stream_handler.addFilter(lambda record: not record.levelno < logging.ERROR)
# Lesser to stdout
stdout_handler = logging.StreamHandler(sys.stdout)
stdout_handler.setFormatter(formatter)
stdout_handler.addFilter(lambda record: record.levelno < logging.ERROR)
logger.addHandler(stdout_handler)
logger.addHandler(stream_handler)
STARTUP_WARNINGS = []
def log_startup_warning(msg):
logging.warning(msg)
STARTUP_WARNINGS.append(msg)
def print_startup_warnings():
for s in STARTUP_WARNINGS:
logging.warning(s)
STARTUP_WARNINGS.clear()