IMAP UTF-7, any codec for that anywhere?

Jp Calderone exarkun at divmod.com
Wed Dec 1 14:50:59 CET 2004


On Wed, 01 Dec 2004 10:35:59 +0100, Max M <maxm at mxm.dk> wrote:
>Brian Quinlan wrote:
>  > Max M wrote:
>  >
>  >> Is there any codec available for handling The special UTF-7 codec for
>  >> IMAP?
> 
>  > Is there something special do you need or is recipe OK?
>  >
>  >  >>> u"\u00ff".encode('utf-7')
>  > '+AP8-'
> 
> 
> A recipe would be excellent. Unfortunately yours is no right. It should 
> have looke like:
> 
>  >>> imapUTF7Encode(u"\u00ff")
> '&AP8-'
> 
> I believe you missed the 'special' in "The special UTF-7 codec for IMAP?"
> 
> Imap folders use a non-standard version of utf-7, where some characters 
> are different.
> 
> I found som messages from 2001 on the net between a few Python unicode 
> developers, where they discuss implementing it. But I cannot find an 
> implementation anywhere.
> 
> I found a perl module that converts to/from the codec, but as usual that 
> is regex hell. Well ok its not that difficult, but I still need to think 
> to hard to parse Perl regex'

  Twisted's IMAP4 support includes an implementation of this codec.  Most of the API also happily accepts unicode objects and encodes them as necessary, too.

    http://www.twistedmatrix.com/

  Jp



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