prompt-toolkit / prompt-toolkit/python-prompt-toolkit
Broken when piped to.
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- Python
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Description
When piping to python script that uses prompt() everything breaks:
File "/home/user/lib/python3.6/site-packages/prompt_toolkit/input.py", line 67, in __init__
assert self.stdin.isatty()
AssertionError
To reproduce:
#test.py
from prompt_toolkit import prompt
text = prompt('> ')
Then:
$ echo "foo" | python test.py
<...>
File "/home/user/lib/python3.6/site-packages/prompt_toolkit/input.py", line 67, in __init__
assert self.stdin.isatty()
AssertionError
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First steps
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Research direction
Start with the reproduction in test.py and run echo "foo" | python test.py to confirm the failure. Inspect prompt_toolkit/input.py around line 67 and trace how stdin is handled when it is not a TTY; completion requires an agreed behavior for piped input and a regression test covering it.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100