[Python] IMAP folder path encoding (IMAP UTF-7) for Python

I would like to know if any "official" function/library existed in Python for IMAP4 UTF-7 folder path encoding.

In the imapInstance.list() I get the following path IMAP UTF-7 encoded :

'(\\HasNoChildren) "." "[Mails].Test&AOk-"',


If I do the following encoding :

(u"[Mails].Testé").encode('utf-7')


I get :

'[Mails].Test+AOk-'


Which is UTF-7 but not IMAP UTF-7 encoded. Test+AOk- instead of Test&AOk- I'd need an official function or library to get the IMAP UTF-7 encoded version.

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