moshi/utils/logging.py

# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: MIT
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import logging
import sys
import random
import string
from typing import Optional
from ..client_utils import make_log, colorize


def random_id(n=4):
    return "".join(random.choices(string.ascii_uppercase + string.digits, k=n))


def setup_logger(name: str, log_file=None, level=logging.INFO):
    logger = logging.getLogger(name)
    logger.setLevel(level)

    formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
    )

    console_handler = logging.StreamHandler(sys.stdout)
    console_handler.setFormatter(formatter)
    logger.addHandler(console_handler)

    if log_file:
        file_handler = logging.FileHandler(log_file)
        file_handler.setFormatter(formatter)
        logger.addHandler(file_handler)

    return logger


def print_log(level: str, msg: str, prefix: Optional[str] = None, info_color: Optional[str] = None):
    colorized_msg = make_log(level, msg) if info_color is None or level != "info" else colorize(msg, info_color)
    if prefix is None:
        print(colorized_msg)
    else:
        print(prefix + colorized_msg)


class ColorizedLog(object):
    def __init__(self, prefix: str, info_color: str):
        self.prefix = prefix
        self.info_color = info_color

    def log(self, level: str, msg: str):
        print_log(level, msg, prefix=self.prefix, info_color=self.info_color)

    @classmethod
    def randomize(cls):
        cid = random_id()
        color = random.choice(["91", "92", "93", "94", "95", "96", "97"])
        prefix = colorize(f"[{cid}] ", color)
        return cls(prefix=prefix, info_color=color)