build.py 文件源码

def _compile(self):
        """
        Byte-compile all modules and packages.
        """
        self.log('\n# Byte-compiling all *.py files...')

        quiet = self.verbosity <= 1
        valid = compileall.compile_dir(self._root, quiet=quiet, force=True)

        if not valid:
            self.log('\n  FAIL: Compilation error(s)\n')
            self._success = False