Function _expand_paths

toon/decoder.py:462–501

Expand dotted paths into nested objects. Args: obj: Object with potentially dotted keys Returns: Expanded object

(obj: dict)

def _expand_paths(obj: dict) -> dict:
    """
    Expand dotted paths into nested objects.
    
    Args:
        obj: Object with potentially dotted keys
        
    Returns:
        Expanded object
    """
    result = {}
    
    for key, value in obj.items():
        if '.' in key:
            # Split path and create nested structure
            parts = key.split('.')
            current = result
            
            for i, part in enumerate(parts[:-1]):
                if part not in current:
                    current[part] = {}
                elif not isinstance(current[part], dict):
                    # Conflict - keep original
                    result[key] = value
                    break
                current = current[part]
            else:
                # Set final value
                current[parts[-1]] = value
        else:
            result[key] = value
    
    # Recursively expand nested objects
    for key, value in result.items():
        if isinstance(value, dict):
            result[key] = _expand_paths(value)
        elif isinstance(value, list):
            result[key] = [_expand_paths(item) if isinstance(item, dict) else item for item in value]
    
    return result