shift+tab completion on chained methods
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
Research direction
Reproduce the behavior in a Jupyter notebook with int().as_integer_ratio().count( and Shift+Tab, then compare it with the documented XPython Raw kernel behavior. Trace the ipython/ipykernel handling involved in showing docstrings or signatures for chained methods; done means the signature appears consistently for the reproduction case.
Written by the indexing model from the issue text.
Description
The behaviour in this issue has been raised previously in https://github.com/jupyterlab/jupyterlab/issues/12570 and https://github.com/altair-viz/altair/pull/2770#issuecomment-1364100231.
It seems it is not possible to make the docstring/function signature appear for chained methods using ipython/ipykernel.
See the following screencast:
As can be seen this can be reproduced with the following procedure:
Copy the following in a Jupyter notebook
int().as_integer_ratio().count(
Press shift+tab to try to make the docstring/function signature appear.
Result, nothing happens.
When doing the same using a XPython Raw kernel (through xeus-python) the docstring/function signature does appear. See following screencast:
- Dominant language
- Python
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