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io and _pyio modules require the _io module #62184
Description
| BPO | 17984 |
|---|---|
| Nosy | @pitrou, @vstinner, @benjaminp, @alex, @hynek, @serhiy-storchaka |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = None
created_at = <Date 2013-05-15.19:49:27.725>
labels = ['type-feature', 'expert-IO']
title = 'io and _pyio modules require the _io module'
updated_at = <Date 2014-07-11.14:40:31.288>
user = 'https://github.com/serhiy-storchaka'bugs.python.org fields:
activity = <Date 2014-07-11.14:40:31.288>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['IO']
creation = <Date 2013-05-15.19:49:27.725>
creator = 'serhiy.storchaka'
dependencies = []
files = []
hgrepos = []
issue_num = 17984
keywords = []
message_count = 5.0
messages = ['189295', '189296', '189297', '189298', '222752']
nosy_count = 8.0
nosy_names = ['pitrou', 'vstinner', 'benjamin.peterson', 'stutzbach', 'alex', 'hynek', 'piotr.dobrogost', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue17984'
versions = ['Python 3.4']
Activity
serhiy-storchaka commented on May 15, 2013
io and _pyio modules don't usable without the _io module. In particular when 2.7 build without unicode. Why we have a Python implementation if it can't be used as a fallback when a C implementation is not available?
benjaminp commented on May 15, 2013
Well, we at least need some C level _fileio.
alex commented on May 15, 2013
I don't see why we need some C level _fileio, the os module has everythign we need.
benjaminp commented on May 15, 2013
Patches welcome, of course!
vstinner commented on Jul 11, 2014
Serhiy implemented the FileIO class in pure Python: see the issue bpo-21859 (patch under review).
pythongh-62184: Remove _pyio import of _io.FileIO
gh-62184: Remove _pyio import of _io.FileIO (gh-134192)
pythongh-62184: Remove _pyio import of _io.FileIO (pythongh-134192)
pythongh-62184: Remove _pyio import of _io.FileIO (pythongh-134192)
[3.13] gh-62184: Remove _pyio import of _io.FileIO (gh-134192) (gh-13…
[3.14] gh-62184: Remove _pyio import of _io.FileIO (gh-134192) (gh-13…
pythongh-62184: Remove _pyio import of _io.FileIO (pythongh-134192)
pythongh-62184: Remove _pyio import of _io.FileIO (pythongh-134192)
pythongh-62184: Remove _pyio import of _io.FileIO (pythongh-134192)
StanFromIreland commented on Oct 31, 2025
Triage: Can this be closed?
cmaloney commented on Oct 31, 2025
_pyio (Python implementation) still does an import io which unconditionally imports _io (C implementation) so I'd argue still not pep-399 compliant.
pythongh-62184: Remove _pyio import of _io.FileIO (pythongh-134192)