Function build_python_executable 

pub fn build_python_executable<'a>(
    env: &Environment,
    bin_name: &str,
    exe: &'a (dyn PythonBinaryBuilder + 'a),
    target_triple: &str,
    opt_level: &str,
    release: bool,
) -> Result<BuiltExecutable<'a>>

Build a Python executable using a temporary Rust project.

Returns the binary data constituting the built executable.