plotly / plotly/dash

allow persist data in URL

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feature P3
Dominant language
Python
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Description

Thanks so much for your interest in Dash!

Before posting an issue here, please check the Dash community forum to see if the topic has already been discussed. The community forum is also great for implementation questions. When in doubt, please feel free to just post the issue here :)


Dash support persistence, which is a simple-to-use feature for storing user choices in the UI.
For now, it only support persist data in memory / localStorage / sessionStorage.

It's useful if we can persist data in url, e.g.: localhost:8050/?my_key=my_value
With this, we can easily share a filled form, a tabs with specific tab opened, etc. to others by sending them a url.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files, tests, or entry points. Start by reviewing the existing persistence behavior and URL handling, then determine how URL values should be encoded, restored, and shared. Done means supported UI state can persist in a URL and reconstruct the filled form or selected tab for another user.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
frontend, web-dev
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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