How do you import json files to Blender?

Question

I am Following Chris P's 'Visualize Real-world JSON Data in Blender (3D Chart Animation Nodes Tutorial)' on YouTube but I seem to have got stuck at the first hurdle of importing the data. I have followed his instructions completely and am unsure why the script keeps failing. I have attached his script, My script, my file location, my error message and a snap shot of his video. I am On windows OS, he is on Linux I'menter image description here not sure if that makes a difference. Here is the link to the video: https://www.youtube.com/watch?v=0aRjInmibSw&t=1055s THE TIMESTAMP FOR HIS CODE IS 6 min.

FILE NAME: Export.json

MY FILE LOCATION: C:\Users\Jordan\Downloads

MY CODE

import json

with open(r'C:/Users/Jordan/Downloads/Export.json','r') as f: 
      j=json.load(f) 
      print (j)

MY ERROR MESSAGE:

Traceback (most recent call last):
  File "D:\Mixed Graphs\Blender json\3D Charts.blend\My Script", line 3, in <module>
OSError: [Errno 22] Invalid argument: '/C:/Users/Jordan/Downloads/Export'
Error: Python script failed, check the message in the system console

HIS CODE:

import json

with open('/Home/chris/downloads/tutorial1.json') as f: 
    json.load(f) 
    print (j)

I have just changed it but it still seems to be displaying the same error message unfortunately. Thank you for the super fast reply though!!!! — Stacy Jordans
– Stacy Jordans, Commented Nov 5, 2020 at 17:34
Well, print (j) is going to fail because you never defined j. Did you mean to put j = json.load(f)? As for the invalid argument error, do you still get it if you use backslashes instead? You'll have to prepend r to the string like r'C:\Users\...'. Also add 'r' to your open, like with open('path', 'r') as f: — Random Davis
– Random Davis, Commented Nov 5, 2020 at 17:40
import json with open(r'C:\Users\Jordan\Downloads\Export.json','r') as f: j=json.load(f) print (j) I've tried both ways and it still cant seem to find the file. Thanks for commenting though :) Also I cant seem to format these comments very well I apologise for that. — Stacy Jordans
– Stacy Jordans, Commented Nov 5, 2020 at 17:50
I'd recommend updating the question itself with your updated code, actually. Also are you still getting the same error or is it a different one? — Random Davis
– Random Davis, Commented Nov 5, 2020 at 18:02

Bouncing Bit · Accepted Answer · 2020-12-13 20:38:35Z

0

Your problem seems to be that you're using "/"(slash) instead of ""(backslash) on Windows. In addition you need to use two "\" as one backslash signals an escaping for the next character.

Fix therefore should be:

import json

with open(r'C:\\Users\\Jordan\\Downloads\\Export.json','r') as f: 
      j=json.load(f) 
      print (j)

answered Dec 13, 2020 at 20:38

Bouncing Bit

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