_function.py 文件源码

def get_ascii_char_width(unicode_str, east_asian_ambiguous_width=1):
    import unicodedata

    width = 0
    for char in unicode_str:
        char_width = unicodedata.east_asian_width(char)
        if char_width in "WF":
            width += 2
        elif char_width == "A":
            _validate_eaaw(east_asian_ambiguous_width)
            width += east_asian_ambiguous_width
        else:
            width += 1

    return width