python判断unicode字符类型

def is_chinese(uchar):
        """判断一个unicode是否是汉字"""
        if uchar >= u'\u4e00' and uchar= u'\u0030' and uchar= u'\u0041' and uchar= u'\u0061' and uchar0x7e:      #不是半角字符就返回原来的字符
                return uchar
        if inside_code==0x0020: #除了空格其他的全角半角的公式为:半角=全角-0xfee0
                inside_code=0x3000
        else:
                inside_code+=0xfee0
        return unichr(inside_code)
 
def q2b(uchar):
        """全角转半角"""
        inside_code=ord(uchar)
        if inside_code==0x3000:
                inside_code=0x0020
        else:
                inside_code-=0xfee0
        if inside_code0x7e:      #转完之后不是半角字符返回原来的字符
                return uchar
        return unichr(inside_code)
 
def stringq2b(ustring):
        """把字符串全角转半角"""
        return "".join([q2b(uchar) for uchar in ustring])
 
def uniform(ustring):
        """格式化字符串，完成全角转半角，大写转小写的工作"""
        return stringq2b(ustring).lower()
 
def string2list(ustring):
        """将ustring按照中文，字母，数字分开"""
        retlist=[]
        utmp=[]
        for uchar in ustring:
                if is_other(uchar):
                        if len(utmp)==0:
                                continue
                        else:
                                retlist.append("".join(utmp))
                                utmp=[]
                else:
                        utmp.append(uchar)
        if len(utmp)!=0:
                retlist.append("".join(utmp))
        return retlist
 
if __name__=="__main__":
        #test q2b and b2q
        for i in range(0x0020,0x007f):
                print q2b(b2q(unichr(i))),b2q(unichr(i))
 
        #test uniform
        ustring=u'中国 人名ａ高频ａ'
        ustring=uniform(ustring)
        ret=string2list(ustring)
        print ret