半角全角转换

https://www.cnblogs.com/kaituorensheng/p/3554571.html

from six import unichr


def strQ2B(ustring):
    """全角转半角"""
    rstring = ""
    for uchar in ustring:
        inside_code = ord(uchar)
        if inside_code == 12288:  # 全角空格直接转换
            inside_code = 32
        elif 65281 <= inside_code <= 65374:  # 全角字符（除空格）根据关系转化
            inside_code -= 65248

        rstring += unichr(inside_code)
    return rstring


def strB2Q(ustring):
    """半角转全角"""
    rstring = ""
    for uchar in ustring:
        inside_code = ord(uchar)
        if inside_code == 32:  # 半角空格直接转化
            inside_code = 12288
        elif 32 <= inside_code <= 126:  # 半角字符（除空格）根据关系转化
            inside_code += 65248

        rstring += unichr(inside_code)
    return rstring


b = strQ2B("ｍｎ123abc博客园")
print(b)

c = strB2Q("ｍｎ123abc博客园")
print(c)