log11 0.1.9

A Python logging library

log11

A simple logging library built on top of loguru.

Features

• Modern API: Built on top of the powerful loguru library
• Flexible Configuration: Multiple output formats (text/JSON)
• Rich Formatting: Colored output, custom fields, and structured logging
• Project Root Detection: Automatic project root discovery
• Python 3.10+: Modern Python features and type hints
• Zero Configuration: Sensible defaults out of the box

Installation

pip install log11

Quick Start

Basic Usage

from log11 import get_logger

# Get the default logger
logger = get_logger()

# Log messages
logger.info("Application started")
logger.warning("This is a warning")
logger.error("Something went wrong")

Advanced Usage

from log11 import Log, TextFormatConfig

# Setup custom logging configuration
Log.clear()
Log.add_output(
    name="console",
    sink="logs/app.log",
    data_format="json",
    level="INFO",
    text_format_config=TextFormatConfig(
        date=True,
        time=True,
        level=True,
        location=False,
        function=True,
        message=True,
        extras=True
    )
)

# Apply configuration and get logger
logger = Log.apply()

# Log structured data
logger.info("User action", user_id=123, action="login")

Custom Formatting

from log11 import Log, TextFormatConfig, LogColor

# Setup with custom formatting
Log.clear()
Log.add_output(
    name="console",
    sink="stdout",
    data_format="text",
    colored=True,
    level="DEBUG",
    text_format_config=TextFormatConfig(
        date=False,
        time=True,
        level=True,
        location=True,
        function=False,
        message=True,
        extras=True
    )
)

logger = Log.apply()
logger.debug("Debug message with details", debug_info="extra data")

API Reference

Log

The main logging configuration manager.

• Log.clear(): Clear all output configurations
• Log.default_setup(): Setup default console logging
• Log.apply(): Apply all configured outputs and return logger
• Log.add_output(name, sink, data_format, colored, level, text_format_config, replace, auto_apply, **kwargs): Add a new output configuration
• Log.add_level(name, number, color): Add a custom logging level
• Log.set_global_level(level): Set logging level for all outputs

get_logger

• get_logger(): Get a configured logger instance (sets up defaults if needed)

Configuration Classes

• TextFormatConfig(date, time, level, location, function, message, extras): Configure text output format
• TextFormat(config): Text formatter implementation
• LogColor: Color constants for styling
• LogStyle: Text styling helpers
• LogField: Field rendering utilities

Development

Prerequisites

Install uv for modern Python dependency management:

# On Windows (PowerShell)
irm https://astral.sh/uv/install.ps1 | iex

# On macOS/Linux
curl -LsSf https://astral.sh/uv/install.sh | sh

Installation for Development

# Clone the repository
git clone https://github.com/vincentdeneuf/log11.git
cd log11

# Install dependencies and create virtual environment
uv sync

# Activate the virtual environment (optional, uv commands work without it)
source .venv/bin/activate  # On Windows: .venv\Scripts\activate

# Install in development mode
uv pip install -e .

Running Tests

# Run tests with uv
uv run pytest

# Run tests with coverage
uv run pytest --cov=log11 --cov-report=html

Building the Package

# Build the package
uv build

# Build for distribution
uv build --release

License

This project is licensed under the MIT License - see the LICENSE file for details.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

Changelog

0.1.0

• Initial release
• Built on loguru for powerful logging capabilities
• Flexible output configuration (text/JSON formats)
• Rich formatting with colors and custom fields
• Project root detection
• Python 3.10+ support with modern type hints
• Zero-configuration default setup