yaml.decode

yaml.decode(content)

Returns the data from a single YAML document as dictionaries, lists, strings, integers, floats, booleans, and None. Empty input returns None. Mapping keys must be strings; duplicate keys, non-finite numbers, recursive aliases, invalid syntax, and multiple documents fail the call.

catalog = yaml.decode(fs.read_file(".atmos-git-hooks.yaml"))
for check in catalog["checks"]:
    print(check["id"], check.get("fix", False))

Custom tags do not execute Atmos functions or load external resources. For example, yaml.decode("value: !env HOME") returns {"value": "HOME"}. YAML timestamps decode to RFC 3339 strings. Ordinary aliases and merge keys are supported.

Use yaml.validate for syntax-only checks that accept multiple documents and arbitrary mapping keys. Use fs.read_file to read a local YAML file.