code: def compile(self) -> None:
      self.sources = _prepare_sources(
          self.modulename, self.sources, self.build_dir
      )
      self.write_meson_build(self.build_dir)
      self.run_meson(self.build_dir)
      self._move_exec_to_root(self.build_dir)
  
imports: from __future__ import annotations
  import os
  import errno
  import shutil
  import subprocess
  import sys
  import re
  from pathlib import Path
  from ._backend import Backend
  from string import Template
  from itertools import chain
  import warnings
label_desc: Use image node_id 6 for calling the MesonBackend obj's underlying member method code with example usage: obj.compile() without return types