Python detect Linux distribution

# İsa Mert GÜRBÜZ <isamertgurbuz@gmail.com>
# isamert.wordpress.com

class distribution:
    def getvalue(self, x):
        file = open("/etc/lsb-release", 'r')
        rd = file.read().strip()
        file.close()
        lines = rd.split("\n")
        dd = dict((key, value) for key, value in (line.split('=') for line in lines))
        return dd[x]
    def name(self):
        return self.getvalue("DISTRIB_ID")
    def relase(self):
        return self.getvalue("DISTRIB_RELEASE")
    def codename(self):
        return self.getvalue("DISTRIB_CODENAME")