Explore dropping Pandas requirement for Plotly Express
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 45/100
- Issue type
- Refactor
- Clarity
- Mostly clear
- Activity status
- Active
- Tech stack
- pandas, python
- Domain
- data-visualization
Research direction
Start with the trendline-related code shown in the linked Plotly.py pull request 4790 diff, especially lines R114-R129. Check how rolling, expanding, and ewm currently depend on Pandas and track the corresponding Narwhals support. Done means Plotly.py trendline functions no longer require Pandas after the needed Narwhals release is available.
Written by the indexing model from the issue text.
Description
In https://github.com/plotly/plotly.py/pull/4790, nearly all Pandas functionality is removed from Plotly.py, except some of our trendine functions.
Narwhals does not yet support rolling, expanding nor ewm, and until that support is added, we need to use Pandas to calculate trendlines.
Those functions are on the Narwhals roadmap, and we should have a quick follow-up in Plotly.py to implement those changes after the first set of Narwhals changes are made and the good folks at Narwhals release that update 🙂 .
- Dominant language
- Python
- Stars
- 18.8k
- Forks
- 2.8k
- Avg merge
- 13h 41m
- Merged PRs (30d)
- 21
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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