Function _quote_periods

Lib/smtplib.py:174–175

(bindata)

        re.sub(r'(?:\r\n|\n|\r(?!\n))', CRLF, data))

def _quote_periods(bindata):
    return re.sub(br'(?m)^\.', b'..', bindata)

def _fix_eols(data):
    return  re.sub(r'(?:\r\n|\n|\r(?!\n))', CRLF, data)