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[Hearts] Fix certificate send: add required model param to OpenAI image call #261

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Merged
gregv merged 1 commit into from
Aug 6, 2026
Merged

[Hearts] Fix certificate send: add required model param to OpenAI image call #261

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28 changes: 18 additions & 10 deletions services/hearts_service.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@

from PIL import ImageDraw
from PIL import Image, ImageEnhance
import base64
import urllib.request
from dotenv import load_dotenv
import os
Expand Down Expand Up @@ -318,21 +319,28 @@ def generate_certificate_image(userid, name, reasons, hearts, generate_backround

# Generate a unique background image
if generate_backround_image:
response = client.images.generate(prompt="without text a mesmerizing background with geometric shapes and fireworks no text high resolution 4k",
n=1,
size="1024x1024")
# Example response object: ImagesResponse(created=1721966968, data=[Image(b64_json=None, revised_prompt=None, url='https://oaidalleapiprodscus.blob.core.windows.net/private/org-EzLrpl9lBdn7NnQA25JOTnpt/user-AqP0NOd4VCetE82ZaR72KYLD/img-ahgzSnHmp5CT7NRxK2Ceczd3.png?st=2024-07-26T03%3A09%3A28Z&se=2024-07-26T05%3A09%3A28Z&sp=r&sv=2023-11-03&sr=b&rscd=inline&rsct=image/png&skoid=6aaadede-4fb3-4698-a8f6-684d7786b067&sktid=a48cca56-e6da-484e-a814-9c849652bcb3&skt=2024-07-25T22%3A07%3A56Z&ske=2024-07-26T22%3A07%3A56Z&sks=b&skv=2023-11-03&sig=GyYscH4FV8vExnSHl8vsNL6usvEjqeRITl8CStdVfRQ%3D')])

response = client.images.generate(
model="gpt-image-1",
prompt="without text a mesmerizing background with geometric shapes and fireworks no text high resolution 4k",
n=1,
size="1024x1024",
timeout=90.0)

# Check if response is valid
if not response.data:
# Print error from response
error(logger, "Error with OpenAI API", response=response)
error(logger, "Error with OpenAI API", response=response)
raise Exception("OpenAI response is not valid")

image_url = response.data[0].url
info(logger, "Generated image from OpenAI", image_url=image_url)

urllib.request.urlretrieve(image_url, "./generated_image.png")
# gpt-image-1 returns base64 data; fall back to URL for other models
image_data = response.data[0]
if getattr(image_data, "b64_json", None):
with open("./generated_image.png", "wb") as f:
f.write(base64.b64decode(image_data.b64_json))
info(logger, "Generated image from OpenAI (base64)")
else:
info(logger, "Generated image from OpenAI", image_url=image_data.url)
urllib.request.urlretrieve(image_data.url, "./generated_image.png")

background_image = Image.open('generated_image.png')
enhancer = ImageEnhance.Brightness(background_image)
Expand Down
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