def robotsrulesetOfDomain(self, domain):
		'''检查domain是否在数据库中,
			否 --> (False, None)
			是 --> (True, 数据库中存储的robots.txt内容)
		'''
		exist = False
		cur = self.conn.cursor()
		# 是否存在
		cur.execute("SELECT 1 FROM Domains WHERE domain=?", (domain,))
		if cur.fetchone() :
			exist = True
		# 存在的话,结果是什么
		cur.execute("SELECT rules FROM Domains,Rulesets "
			"WHERE domain=? AND Domains.did=Rulesets.did"
			,(domain,) )
		ruleset = cur.fetchone()
		return (exist, ruleset)
def parse(self):
		f = tempfile.NamedTemporaryFile(delete=True)
		cmd_str = "curl http://pkgs.fedoraproject.org/cgit/rpms/%s.git/plain/%s.spec > %s"
		runCommand(cmd_str % (self.package, self.package, f.name))
		self.sp_obj = SpecParser(f.name)
		if not self.sp_obj.parse():
			self.err = self.sp_obj.getError()
			f.close()
			return False

		f.close()
		return True