Function as_unicode

src/commoncode/text.py:136–147

Return a unicode string for a string be it bytes or unicode.

(s)

def as_unicode(s):
    """
    Return a unicode string for a string be it bytes or unicode.
    """
    if isinstance(s, str):
        return s
    if s == b"":
        return ""
    if not s:
        return s
    assert isinstance(s, bytes), "s must be bytes but is: {}".format(s)
    return UnicodeDammit(s).unicode_markup