pip install magiccfg==1.3 Or visit magiccfg.dev for full documentation.
# schema.yaml database: host: string port: number(min=1024, max=65535) If a value is missing or invalid, you’ll get a clear error before your app starts — no more runtime surprises. We rewrote the internal merge engine in Rust (behind a Python binding) while keeping the API identical. Large configs with deep inheritance now load in half the time. For microservices and serverless environments, this means faster cold starts. 4. Environment Variable Interpolation You can now reference environment variables directly inside any config file: magiccfg v1.3
— The MagicCFG Team Tags: #release #magiccfg #v1.3 #devtools #configuration pip install magiccfg==1
api: key: ${API_KEY} url: "https://${ENV}.example.com" MagicCFG resolves these at load time, with clear warnings for missing variables. Python (PyPI): Large configs with deep inheritance now load in
MagicCFG v1.3: Smarter Configuration, Less Boilerplate
April 18, 2026
db_host = config.dot("database.production.host") Better yet, dot() supports default fallbacks and will never throw an attribute error on missing paths. MagicCFG v1.3 introduces optional JSON Schema support. Define your expected config shape once, and let MagicCFG validate types, required fields, and patterns on load.