install_lib.py 文件源码

def byte_compile(self, files):
        if sys.dont_write_bytecode:
            self.warn('byte-compiling is disabled, skipping.')
            return

        from distutils.util import byte_compile

        # Get the "--root" directory supplied to the "install" command,
        # and use it as a prefix to strip off the purported filename
        # encoded in bytecode files.  This is far from complete, but it
        # should at least generate usable bytecode in RPM distributions.
        install_root = self.get_finalized_command('install').root

        if self.compile:
            byte_compile(files, optimize=0,
                         force=self.force, prefix=install_root,
                         dry_run=self.dry_run)
        if self.optimize > 0:
            byte_compile(files, optimize=self.optimize,
                         force=self.force, prefix=install_root,
                         verbose=self.verbose, dry_run=self.dry_run)


    # -- Utility methods -----------------------------------------------