Function parse_features

src/textual/features.py:15–29

Parse features env var Args: features: Comma separated feature flags Returns: A frozen set of known features.

(features: str)

def parse_features(features: str) -> frozenset[FeatureFlag]:
    """Parse features env var

    Args:
        features: Comma separated feature flags

    Returns:
        A frozen set of known features.
    """

    features_set = frozenset(
        feature.strip().lower() for feature in features.split(",") if feature.strip()
    ).intersection(FEATURES)

    return cast("frozenset[FeatureFlag]", features_set)