loguru-wrapper 0.2.1

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loguru_wrapper

A lightweight wrapper around loguru that provides lazy evaluation and automatic caller context detection.

Features

• Lazy Evaluation: Log arguments are only evaluated if the log level is enabled
• Automatic Caller Detection: Shows actual function name and line number in logs
• Format Conversion: Automatically converts %s format strings to {} format
• Full Loguru Support: All log levels (debug, info, success, warning, error, critical)
• Structured Logging: Built-in structured logging support

Installation

pip install -e /path/to/loguru_wrapper

Quick Start

from loguru_wrapper import logger

def my_function():
    log = logger()
    log.debug("User: {}", get_username)  # Lazy evaluation
    log.info("Processing %s items", item_count)  # Format conversion
    log.structured("user_login", user_id=123, success=True)

Output:

2025-07-17 09:18:27.409 | DEBUG | my_module:my_function:42 | User: john_doe
2025-07-17 09:18:27.429 | INFO  | my_module:my_function:43 | Processing 5 items
2025-07-17 09:18:27.449 | INFO  | my_module:my_function:44 | EVENT=user_login user_id=123 success=True

Configuration

from loguru_wrapper import logger, LoggerConfig

config = LoggerConfig(
    default_level="DEBUG",
    enable_lazy=True
)
log = logger(config=config)

Requirements

• Python ≥ 3.10
• loguru ≥ 0.7.3
• stackwalker ≥ 0.4.2