prompt-toolkit / prompt-toolkit/python-prompt-toolkit

create_output() uses sys.__stdout__ by default not sys.stdout

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Dominant language
Python
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Description

Is there a reason for this or could it be a mistake? ptpython for example calls prompt_toolkit.output.defaults.create_output() without parameters which means it requires some hacking to make it work in my situation where I've replaced stdout and stdin.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start at prompt_toolkit.output.defaults.create_output(), which the issue identifies as the entry point using sys.stdout by default. Trace how its default streams are selected and compare that behavior with ptpython's parameterless call. Done means the behavior for replaced stdout and stdin is clarified or corrected, with the relevant behavior covered by the project's tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
cli
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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