Serhiy Storchaka added the comment:
The issue is still here.
>>> f = open('/dev/null')
>>> f
<_io.TextIOWrapper name='/dev/null' mode='r' encoding='UTF-8'>
>>> f.buffer.detach()
<_io.FileIO name='/dev/null' mode='rb' closefd=True>
>>> f
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: raw stream has been detached
Python implementation works.
>>> import _pyio
>>> f = _pyio.open('/dev/null')
>>> f
<_pyio.TextIOWrapper name='/dev/null' mode='r' encoding='UTF-8'>
>>> f.buffer.detach()
<_io.FileIO name='/dev/null' mode='rb' closefd=True>
>>> f
<_pyio.TextIOWrapper mode='r' encoding='UTF-8'>
>>> f = _pyio.open('/dev/null')
>>> f.detach()
<_pyio.BufferedReader name='/dev/null'>
>>> f
<_pyio.TextIOWrapper mode='r' encoding='UTF-8'>
>>> f = _pyio.open('/dev/null', 'rb')
>>> f
<_pyio.BufferedReader name='/dev/null'>
>>> f.detach()
<_io.FileIO name='/dev/null' mode='rb' closefd=True>
>>> f
<_pyio.BufferedReader>
I would be good to make Python and C implementation match.
----------
nosy: +benjamin.peterson, hynek, pitrou, serhiy.storchaka, stutzbach
stage: -> patch review
versions: +Python 2.7, Python 3.5
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue23093>
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