Confusing error message when passing bytes to print with file pointing to a binary file

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
python
Domain
backend

Research direction

Start by reproducing the confusing error from passing bytes to print when file points to a binary file. Read the relevant Python I/O and print behavior, then determine the intended error wording and add coverage for the reported case. Done means the failure is understandable and the behavior is covered by a test.

Written by the indexing model from the issue text.

Description

3.10 3.11 3.12 topic-IO type-bug
BPO 6304
Nosy @birkenfeld, @amauryfa, @pitrou, @bitdancer

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 2009-06-18.02:51:44.668>
labels = ['3.10', 'type-bug', '3.8', '3.9', 'expert-IO']
title = 'Confusing error message when passing bytes to print with file pointing to a binary file'
updated_at = <Date 2020-11-06.15:00:03.316>
user = 'https://github.com/bitdancer'

bugs.python.org fields:

activity = <Date 2020-11-06.15:00:03.316>
actor = 'iritkatriel'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['IO']
creation = <Date 2009-06-18.02:51:44.668>
creator = 'r.david.murray'
dependencies = []
files = []
hgrepos = []
issue_num = 6304
keywords = []
message_count = 3.0
messages = ['89490', '89493', '89725']
nosy_count = 4.0
nosy_names = ['georg.brandl', 'amaury.forgeotdarc', 'pitrou', 'r.david.murray']
pr_nums = []
priority = 'low'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue6304'
versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']

Dominant language
Python
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Forks
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Avg merge
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Merged PRs (30d)
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