tzeitim

Prevent context manager to overwrite previous one in jupyter

2

When in Jupyter lab, if I call independent instances of a `Progress()`, for example by mapping a function that invokes a `Progress()` through an iterable, the context manager overwrites/deletes previous...

Keep original order of rows for polars.cut()

8

It would be very useful to be able to keep the order of rows from the original series/column when using [pl.cut()](https://pola-rs.github.io/polars/py-polars/html/reference/api/polars.cut.html?highlight=cut#polars.cut)

Allow expressions as arguments for patterns in the .str.namespace

1

### Problem Description ## Description: Allow expressions to be used as arguments. Similar, but opposite to [this question](https://stackoverflow.com/questions/73427091/polars-replace-part-of-string-in-column-with-value-of-other-column/73427426#73427426) in which the replacement is a variable. The idea would be to...

`pl.read_parquet` throws `Segmentation fault` when `use_pyarrow=False``

3

### Polars version checks - [X] I have checked that this issue has not already been reported. - [X] I have confirmed this bug exists on the [latest version](https://pypi.org/project/polars/) of...

This is a hard call for whether this belongs to Ipython or Jupyter, sorry of this is not the right repo. If this is the case I would still be...

When starting a vanilla kernel (e.g. invoking ‘ipython’) it is possible to change the editing mode between ‘emacs’ or ‘vi’. There are other ways of doing it but a simple...

Add `top_k` in the GroupBy namespace

3

### Problem description It would be useful to include a `top_k` function to the GroupBy namespace. Toy data frame ``` df = pl.DataFrame( { "a": [1, 2, 2, 3, 4,...

Option to report zero-length groups when applying .group_by().len()

2

### Description Given a set of groups in a `group_by` after applying `.len()`, is there a way to keep track of groups of size zero? For some longitudinal data it...