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stderr "refs" output does not respect PYTHONIOENCODING #59853

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cjerdonek opened this issue Aug 14, 2012 · 2 comments
Closed

stderr "refs" output does not respect PYTHONIOENCODING #59853

cjerdonek opened this issue Aug 14, 2012 · 2 comments

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@cjerdonek
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BPO 15648
Nosy @birkenfeld, @cjerdonek

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 = <Date 2013-10-14.14:19:30.556>
created_at = <Date 2012-08-14.11:40:28.084>
labels = []
title = 'stderr "refs" output does not respect PYTHONIOENCODING'
updated_at = <Date 2013-10-14.14:19:30.554>
user = 'https://github.com/cjerdonek'

bugs.python.org fields:

activity = <Date 2013-10-14.14:19:30.554>
actor = 'georg.brandl'
assignee = 'none'
closed = True
closed_date = <Date 2013-10-14.14:19:30.556>
closer = 'georg.brandl'
components = []
creation = <Date 2012-08-14.11:40:28.084>
creator = 'chris.jerdonek'
dependencies = []
files = []
hgrepos = []
issue_num = 15648
keywords = []
message_count = 2.0
messages = ['168192', '199894']
nosy_count = 2.0
nosy_names = ['georg.brandl', 'chris.jerdonek']
pr_nums = []
priority = 'normal'
resolution = 'wont fix'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue15648'
versions = ['Python 3.3']
@cjerdonek
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The --help documentation for the python executable says--

PYTHONIOENCODING: Encoding[:errors] used for stdin/stdout/stderr.

However, PYTHONIOENCODING doesn't seem to be respected for the python executable's "refs" output to stderr. For example, this--

args = [sys.executable, '-c', "print('[100 refs]')"]

env = {'PYTHONIOENCODING': 'utf-8'}
popen = Popen(args, universal_newlines=False, stdin=PIPE, stdout=PIPE, stderr=PIPE, env=env)
print(repr(popen.communicate()))

env = {'PYTHONIOENCODING': 'utf-16'}
popen = Popen(args, universal_newlines=False, stdin=PIPE, stdout=PIPE, stderr=PIPE, env=env)
print(repr(popen.communicate()))

yields--

(b'[10 refs]\n', b'[41761 refs]\n')
(b'[\x001\x000\x00 \x00r\x00e\x00f\x00s\x00]\x00\n\x00', b'[42367 refs]\n')

@birkenfeld
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The "refs" output is only active in debug mode, and only for debugging. It is printed directly to stderr using C fprintf(), I don't think it's worth the complication.

@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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@birkenfeld @cjerdonek