Method decode

Lib/imaplib.py:1755–1758

(self, inp)

        return oup

    def decode(self, inp):
        if not inp:
            return b''
        return binascii.a2b_base64(inp)

Months = ' Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec'.split(' ')
Mon2num = {s.encode():n+1 for n, s in enumerate(Months[1:])}