How to convert javascript array to a python dictionary

Question

I want to try to make a little webserver where you can put location data into a database using a grid system in Javascript. I've found a setup that I really liked and maked an example in CodePen: https://codepen.io/anon/pen/XGxEaj. A user can click in a grid to point out the location. In the console log I see the data that is generated as output. For every cell in the grid it has a dictionary that looks like this:

click: 4
height: 50
width: 50
x: 1
xnum: 1
y: 1
ynum: 1

A complete overview of output data looks like this, where their are 10 arrays for every row, 10 arrays for every column of that row, and then a dictionary with the values:

Now i want to get this information back to python in a dictionary as well, so i can store particular information in a database. But I can't figure out what the best way is to do that. Hopefully you could provide a little push in the right direction, links to usefull pages or code snippets to guide me.

Thanks for any help in advance!

This doesn't have anything to do with javascript. You just need to look into parsing json in Python, docs.python.org/2/library/json.html. — Geuis
– Geuis, Commented Mar 23, 2019 at 22:14
json stringify on js/ client side and json module on python/ server side maybe — Vitaliy Terziev
– Vitaliy Terziev, Commented Mar 23, 2019 at 22:22

Max Stevens · Accepted Answer · 2019-03-23 22:48:14Z

2

This can be achieved by converting your JS object into JSON:

var json = JSON.stringify(myJsObj);

And then converting your Python object to JSON:

import json
myPythonObj = json.loads(json)

More information about the JSON package for Python can be found here and more information about converting JS objects to and from JSON can be found here

answered Mar 23, 2019 at 22:48

Max Stevens

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Imnotapotato · Accepted Answer · 2021-10-28 18:37:47Z

1

You should use the python json module.

Here is how you can perform such operation using the module.

import json
json_data = '{"a": 1, "b": 2, "c": 3, "d": 4, "e": 5}'
loaded_json = json.loads(json_data)

edited Oct 28, 2021 at 18:37

Imnotapotato

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answered Mar 23, 2019 at 22:42

Ulrich Dohou

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