python-json-config

import os import tempfile # Create a dummy config.json for the example config_content = ''' { "server": { "host": "localhost", "port": 8080 }, "database": { "name": "mydb", "user": "admin" }, "jwt_secret": "${JWT_SECRET:-default_secret_key}" } ''' with tempfile.TemporaryDirectory() as tmpdir: config_path = os.path.join(tmpdir, 'config.json') with open(config_path, 'w') as f: f.write(config_content) # Set an environment variable to demonstrate its use os.environ['JWT_SECRET'] = 'my_super_secret_jwt_key' from python_json_config import ConfigBuilder # Create config parser builder = ConfigBuilder() # Parse config from the temporary file config = builder.parse_config(config_path) # Access elements using dot notation host = config.server.host port = config.server.port db_name = config.database.name jwt_secret = config.jwt_secret # This will pick up from os.environ print(f"Server Host: {host}") print(f"Server Port: {port}") print(f"Database Name: {db_name}") print(f"JWT Secret: {jwt_secret}") # Validate field types builder.validate_field_type('server.port', int) builder.validate_field_type('database.user', str) print("Configuration fields validated successfully.") # Clean up environment variable del os.environ['JWT_SECRET']