Function _prepare_program

openevolve/api.py:202–234

Convert program input to a file path

(
    initial_program: Union[str, Path, List[str]], temp_dir: Optional[str], temp_files: List[str]
)

def _prepare_program(
    initial_program: Union[str, Path, List[str]], temp_dir: Optional[str], temp_files: List[str]
) -> str:
    """Convert program input to a file path"""

    # If already a file path, use it directly
    if isinstance(initial_program, (str, Path)):
        if os.path.exists(str(initial_program)):
            return str(initial_program)

    # Otherwise, treat as code and write to temp file
    if isinstance(initial_program, list):
        code = "\n".join(initial_program)
    else:
        code = str(initial_program)

    # Ensure code has evolution markers if it doesn't already
    if "EVOLVE-BLOCK-START" not in code:
        # Wrap entire code in evolution block
        code = f"""# EVOLVE-BLOCK-START
{code}
# EVOLVE-BLOCK-END"""

    # Write to temp file
    if temp_dir is None:
        temp_dir = tempfile.gettempdir()

    program_file = os.path.join(temp_dir, f"program_{uuid.uuid4().hex[:8]}.py")
    with open(program_file, "w") as f:
        f.write(code)
    temp_files.append(program_file)

    return program_file


def _prepare_evaluator(