EH answer to his own code test.

code-test-2023.py

import json
import requests
from operator import itemgetter
from io import BytesIO

def get_exhibition_by_name(s):
    url = "https://openaccess-api.clevelandart.org/api/exhibitions/"
    
    params = {
        "title": s
    }
    
    r = requests.get(url, params=params)
    
    data = r.json()
    
    return data['data'] if (data and len(data['data'])) else None

def get_exhibition_by_id(ex_id):
    url = f"https://openaccess-api.clevelandart.org/api/exhibitions/{ex_id}"
        
    r = requests.get(url)
    
    data = r.json()

    return data['data'] if (data and data.get('data')) else None

def get_artwork_by_id(art_id):
    url = f"https://openaccess-api.clevelandart.org/api/artworks/{art_id}"
    
    r = requests.get(url)
    
    data = r.json()
    
    return data['data'] if (data and data.get('data')) else None

def get_image_file_object(image_url):
    r = requests.get(image_url)
    
    f = BytesIO(r.content)
    
    return f

def get_image_matches_from_url(image_url):
    image_file = get_image_file_object(image_url)
    
#   image_file = open("/Users/ethanholda/temp/1954.387_web.jpg", "rb")
    
    url = "https://openaccess-api.clevelandart.org/api/artworks/"

    file_data = {
        'file': image_file
    }

    r = requests.post(url, params={"limit":6}, files=file_data) # get 6 because first match will be your work
    
    data = r.json()
    
    return data['data']
    
    
def make_similarity_exhibition(exname):
    exhibition_results = get_exhibition_by_name(exname)
    
    ex_id = exhibition_results[0]["id"]
    
    exhibition = get_exhibition_by_id(ex_id)
    
    artworks = []
    
    for a in exhibition['artworks']:
        artwork = get_artwork_by_id(a['id'])
        artworks.append(artwork)
        
    artworks_sorted = sorted(artworks, key=itemgetter('creation_date_earliest'))

    my_artwork = artworks_sorted[0] # OLDEST

    image_matches = get_image_matches_from_url(my_artwork["images"]["web"]["url"])
    
    return image_matches

def post_data_to_mongo_db(record):
    url = "https://us-east-2.aws.data.mongodb-api.com/app/data-wkbgg/endpoint/data/v1"
    testkey = "YOUR API KEY"
    
    
    headers = {
        "api-key": testkey
    }
    
    data = {
        "dataSource": "Cluster0",
        "database": "testdb",
        "collection": "test_collection",
        "document": record
    }
    
    method = "/action/insertOne"
    
    api_url = f"{url}{method}"
    
    r = requests.post(api_url, headers=headers, json=data)
    
    print(r.status_code)
    
    return r.status_code == 200

"""
Get an artwork from an exhibition based on arbitrary criteria (in this case oldest)
and get the top 5 image similarity matches of that work.

Post results to Mongo Atlas collection.
"""

    #exname = "Egyptomania: Fashion's Conflicted Obsession"
exname = "Riemenschneider and Late Medieval Alabaster"


mini_exhibition = make_similarity_exhibition(exname)

for artwork in mini_exhibition:
    record = {
        "artwork_id": artwork["id"],
        "accession_number": artwork["accession_number"],
        "tombstone": artwork["tombstone"],
        "creation_date_earliest": artwork["creation_date_earliest"],
        "image_url": artwork["images"]["web"]["url"]
    }
    
    if post_data_to_mongo_db(record):
        print(f"INSERTED: {record}")
    else:
        print(f"FAILED: {record}")
        
#print(json.dumps(image_matches, indent=2))