setupext.py 文件源码

def get_version(self, package):
        """
        Get the version of the package from pkg-config.
        """
        if not self.has_pkgconfig:
            return None

        status, output = getstatusoutput(
            self.pkg_config + " %s --modversion" % (package))
        if status == 0:
            return output
        return None


# The PkgConfig class should be used through this singleton