[Python-Dev] headers api for email package
chris at simplistix.co.uk
Sat Apr 11 14:39:40 CEST 2009
Barry Warsaw wrote:
> >>> message['Subject']
> The raw bytes or the decoded unicode?
A header object.
> Okay, so you've picked one. Now how do you spell the other way?
> Now, setting headers. Sometimes you have some unicode thing and
> sometimes you have some bytes. You need to end up with bytes in the
> ASCII range and you'd like to leave the header value unencoded if so.
> But in both cases, you might have bytes or characters outside that
> range, so you need an explicit encoding, defaulting to utf-8 probably.
> >>> Message.set_header('Subject', 'Some text', encoding='utf-8')
> >>> Message.set_header('Subject', b'Some bytes')
Where you just want "a damned valid email and stop making my life hard!":
Where you care about what encoding is used:
If you have bytes, for whatever reason:
...because only you know what encoding those bytes use!
> One of those maps to
> >>> message['Subject'] = ???
...should only accept text or a Header object.
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