ymljson-cli 1.0.0

YAML ↔ JSON converter

ymljson-cli

A lightweight CLI tool for bidirectional YAML ↔ JSON conversion with optional JSON Schema validation.

Installation

Requires Python >= 3.8.

pip install ymljson-cli

Or from source:

git clone <repo-url>
cd ymljson-cli
pip install .

Usage

The input format (JSON or YAML) is auto-detected, and the output format is the opposite.

ymljson [-h] [-i INPUT] [-o OUTPUT] [--compact] [--schema SCHEMA] [-v]

Options

Flag	Description
-i, --input PATH	Input file path (default: stdin)
-o, --output PATH	Output file path (default: stdout)
--compact	Compact output — disables pretty-printing
--schema PATH	Path to a JSON Schema file to validate input against
-v, --verbose	Enable debug logging

Examples

JSON → YAML (stdin/stdout):

echo '{"name": "Alice", "age": 30}' | ymljson

YAML → JSON from file:

ymljson -i config.yaml -o config.json

Compact JSON output:

ymljson -i data.yaml --compact

With schema validation:

ymljson -i data.yaml --schema schema.json -o data.json

If validation fails, the tool exits with code 2 and logs the error. Any other error exits with code 1.

Dependencies

• pyyaml
• jsonschema

License

MIT — see LICENSE.