How to: (1) Parse json snack object (2) open the image and add the image into the Model (3) save the new data (4) Iterate and access the snacks and images from the mongodb

app.py

@app.route("/display-snack")
@login_required
def display_snack():
    my_database = mongo[DATABASE]
    my_file = open("snacks/snacks.json", "rb")
    parsed = json.loads(my_file.read().decode('unicode-escape'))
    snacks = parsed
    s = snacks
    Snack.objects.delete()
    for s in snacks:
        # Always delete a document before inserting it again
        new_snack = Snack(snack_name=s["title"], available_at_locations=[s["country"]])
        if s.get("description"):
            new_snack.description = s["description"]
        if s.get("company"):
            new_snack.snack_brand = s["company"]
        else:
            continue
        new_snack.avg_overall_rating = 0
        new_snack.avg_bitterness = 0
        new_snack.avg_saltiness = 0
        new_snack.avg_sourness = 0
        new_snack.avg_spiciness = 0
        new_snack.avg_sweetness = 0
        new_snack.review_count = 0
        if s.get("folder_name"):
            i = SnackImage()
            for entry in os.scandir("snacks/image/"+s.get("folder_name")):
                with open(entry.path, "rb") as image_file:
                    img_name = os.path.basename(image_file.name)
                    i.img.put(image_file, filename=img_name)

                new_snack.photo_files.append(i)
        try:
            new_snack.save()
        except Exception as e:
            print("Error \n %s" % e, file=sys.stdout)
    max_show = 100 # Maximum number of snacks to send to view
    sl = []
    for s in Snack.objects[:max_show]:
        if s.photo_files:
            sl.append(s)
            for file in s.photo_files:
                photo = file.img
                # Guess the type of the mimetype to send a good response
                # mimetype = mimetypes.MimeTypes().guess_type(photo.filename)[0]
                # resp=Response(photo.read(), mimetype=mimetype)
                # photo.read() # This is image itself
                # photo.filename # This is the name of the image
                # photo.format # This is the format of the image (png, jpg, etc)
                # photo.thumbnail.read() # This is the thumbnail of the image """
    print("Finished.")
    print(f"{len(sl)}")
    return render_template('display_snack.html', snack_list=sl)