New submission from py.user:
It depends on encoded part in the header, what email.header.decode_header()
returns.
If the header has both raw part and encoded part, the function returns (bytes,
None) for the raw part. But if the header has only raw part, the function
returns (str, None) for it.
>>> import email.header
>>>
>>> s = 'abc=?koi8-r?q?\xc1\xc2\xd7?='
>>> email.header.decode_header(s)
[(b'abc', None), (b'\xc1\xc2\xd7', 'koi8-r')]
>>>
>>> s = 'abc'
>>> email.header.decode_header(s)
[('abc', None)]
>>>
There should be (bytes, None) for both cases.
----------
components: Library (Lib), email
messages: 230932
nosy: barry, py.user, r.david.murray
priority: normal
severity: normal
status: open
title: The decode_header() function decodes raw part to bytes or str, depending
on encoded part
versions: Python 3.3, Python 3.4, Python 3.5
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue22833>
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