Help with photos module and http post?

[inzel]

Hello Everyone,

I am currently messing around with the Kairos API and am trying to use Pythonista to take a new photo on my iPad and then upload that photo to the Kairos enroll API. I am able to get this to work fine with a URL image but for the life of me I am unable to get this to work by taking a photo with the photos module. From my understanding the photos module returns a PIL Image and I think I need to base64 encode that before uploading to the Kairos API??

Here is my code without using the photos module:

#import photos
import requests

#img = photos.capture_image()
url = "https://api.kairos.com/enroll"

values = """
  {
    "image": "URL for image",
    "subject_id": "test",
    "gallery_name": "test"
  }
"""

headers = {
    'Content-Type': 'application/json',
    'app_id': '********',
    'app_key': '************************'
}

request = requests.post(url, data=values, headers=headers)
response = request.content

print(response)

Im hoping that someone can help me out by showing me what I need to do to be able to accomplish this task. Any help is greatly appreciated.

Thank you in advance,

Colin

[JonB]

fwiw, requests lets you use req.json() rather than json.loads(req.contents). also, you can use json=values instead of json.dumps(values) in the request.

[Vincekok]

@inzel this is great. I am learning to use Kairos as well and I will try this out!

Thanks!

[inzel]

I just came back to this project and I get an error!

r = requests.post(url, data=json.dumps(values), headers = headers)

Object of type 'bytes' is not JSON serializable

I havent made any changes so I cant imagine why this is suddenly happening.

Any thoughts?

[inzel]

@Vincekok Thank you!

[JonB]

Have you switched to py3 interpreter from py2, or vice versa?

[inzel]

Hey JonB!

Yes I have done that. Its really odd as this was working. Could it be because I went to the iPadOS beta?

[inzel]

I tested itg on my phone and am getting the same results. No idea what changed here

[JonB]

print(values)

[JonB]

The original code would have probably worked in py2. In py3, you’d need to do

image.decode('ascii')

As the argument to json.dumps.

[inzel]

I dont quite understand. Can you please explain the change to me?

Edit: It does work making that change but I dont understand why its now needed. Thats what Im interested in learning about