DataLink SDK

A lightweight, unified database connector SDK for Python. Connect to MySQL, PostgreSQL, MongoDB, and Redis using a single consistent interface.

Installation

pip install datalink-sdk

Supported Databases

Quick Start

from datalink_sdk import DataLinkClient

# MySQL
conn = DataLinkClient.get_connection("mysql", {
    "host": "localhost",
    "user": "root",
    "password": "secret",
    "database": "mydb",
    "port": 3306,
})

# PostgreSQL
conn = DataLinkClient.get_connection("postgres", {
    "host": "localhost",
    "user": "postgres",
    "password": "secret",
    "database": "mydb",
    "port": 5432,
})

# MongoDB
conn = DataLinkClient.get_connection("mongodb", {
    "uri": "mongodb://localhost:27017",
})

# Redis
conn = DataLinkClient.get_connection("redis", {
    "host": "localhost",
    "port": 6379,
    "password": None,
})

Exception Handling

from datalink_sdk import DataLinkClient, DataLinkConnectionError, UnsupportedDriverError

try:
    conn = DataLinkClient.get_connection("mysql", config)
except DataLinkConnectionError as e:
    print(f"Connection failed: {e}")
except UnsupportedDriverError as e:
    print(f"Unknown driver: {e}")

Exceptions Reference

Project Structure

datalink_sdk/
├── core/
│   ├── base_driver.py       # Abstract base class for all drivers
│   ├── client.py            # DataLinkClient — main entry point
│   └── exceptions.py        # All SDK exceptions
├── drivers/
│   ├── mysql.py
│   ├── postgres.py
│   ├── mongodb.py
│   └── redis.py
└── config/
    └── settings.py

License

MIT