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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def disable(self):
 """ Disable this site """

        log = logging.getLogger('ipsv.models.sites.site')
        sites_enabled_path = _cfg.get('Paths', 'NginxSitesEnabled')
        symlink_path = os.path.join(sites_enabled_path, '{domain}-{fn}.conf'.format(domain=self.domain.name,
                                                                                    fn=self.slug))
        log.debug('Symlink path: %s', symlink_path)
        if os.path.islink(symlink_path):
            log.info('Removing configuration symlink: %s', symlink_path)
            os.unlink(symlink_path)

        self.enabled = 0
        Session.commit()