def apply_new_versions(self):
        target = self.buildout[self.target_section]

        # update the versions in the parent buildout
        target.clear ()
        target.update (self.versions)

        # set the new version information for use by easy_install
        zc.buildout.easy_install.default_versions (self.versions)

        for k, v in self.versions.iteritems():
            LOG.debug ("'%s' = '%s'", k, v)
uses members:
dataset/ETHPy150Open zillow/buildout-platform-versions/buildout_platform_versions/__init__.py/PlatformVersions.apply_new_versions