add textposition property for Sankey plot's node labels
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feature
P3
- Dominant language
- Python
- Stars
- 18.8k
- Forks
- 2.8k
- Avg merge
- 16h 26m
- Merged PRs (30d)
- 21
Description
Currently, there is no way to modify the position of node labels of a Sankey plot. Like putting them on nodes, for example.
How plotly.python cannot do (node labels are centered):

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.
Research direction
Start by locating the Sankey plot implementation and the code that controls node-label positioning. Trace how Sankey node properties are exposed and rendered, then identify the relevant tests. Done means users can configure a node-label text position, including placing labels on nodes, with coverage for the new behavior.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100