SLinfra 0.2.0

A lightweight Python utility for file-based logging and persistent state tracking.

SLinfra

A lightweight Python utility for file-based logging and persistent state tracking.

Overview

• SLinfra is a minimal Python package designed to help small to medium projects:
• Keep clean and readable logs
• Persist application state between runs
• Avoid heavy logging frameworks
• It is especially useful for scripts, automation tools, and long-running processes.

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Features

• Simple file-based logger
• Persistent state storage (JSON-based)
• Zero external dependencies
• Easy to integrate into existing projects

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Installation

pip install SLinfra

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Quick Start

File Logging

from SLinfra.file_logger import FileLogger

logger = FileLogger("app.log")

logger.info("Application started")
logger.warning("Low memory warning")
logger.error("Unexpected error occurred")

This will create (or append to) a log file and store timestamped log messages.

State Tracking

from SLinfra.state_tracker import StateTracker

state = StateTracker("state.json")

state["last_run"] = "2026-01-23T14:00"
state["counter"] = 5
state.save()

This allows your application to persist important values between executions.

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Project Structure

SLinfra/
├── SLinfra/
│   ├── __init__.py
│   ├── file_logger.py
│   └── state_tracker.py
├── README.md
├── LICENSE
└── pyproject.toml

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Design Goals

• Keep the API small and intuitive
• Prefer simplicity over feature overload
• Avoid external dependencies
• Be suitable for educational and practical use

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Limitations

• Not thread-safe
• No log rotation support
• Designed for small to medium workloads

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Roadmap / TODO

• Add unit tests
• Add log rotation support
• Improve type hints and documentation

License

This project is licensed under the MIT License.