app.py

import json
import requests
from io import BytesIO
import gradio as gr
import os
# hf_token = os.environ.get("HF_TOKEN")
import spaces
# import torch
# from pipeline_bria import BriaPipeline
import time
from PIL import Image

def download_image(url):
    response = requests.get(url)
    return Image.open(BytesIO(response.content)).convert("RGB")

hf_token = os.environ.get("HF_TOKEN_API_DEMO") # we get it from a secret env variable, such that it's private
auth_headers = {"api_token": hf_token}

aspect_ratios = ["1:1","2:3","3:2","3:4","4:3","4:5","5:4","9:16","16:9"] 

# Ng
default_negative_prompt= "Logo,Watermark,Text,Ugly,Morbid,Extra fingers,Poorly drawn hands,Mutation,Blurry,Extra limbs,Gross proportions,Missing arms,Mutated hands,Long neck,Duplicate,Mutilated,Mutilated hands,Poorly drawn face,Deformed,Bad anatomy,Cloned face,Malformed limbs,Missing legs,Too many fingers"

# Load pipeline
# trust_remote_code = True - allows loading a transformer which is not present at the transformers library(from transformer/bria_transformer.py)
# pipe = BriaPipeline.from_pretrained("briaai/BRIA-3.0-TOUCAN", torch_dtype=torch.bfloat16,trust_remote_code=True)
# pipe.to(device="cuda")

# @spaces.GPU(enable_queue=True)
def infer(prompt,negative_prompt,seed,aspect_ratio):
    print(f"""
    —/n
    {prompt}
    """)
    
    # generator = torch.Generator("cuda").manual_seed(555)
    t=time.time()

    if seed=="-1":
        generator=None
    else:
        try:
            seed=int(seed)
            # generator = torch.Generator("cuda").manual_seed(seed)
        except:
            generator=None


    # image = pipe(prompt,num_inference_steps=30, negative_prompt=negative_prompt,generator=generator,width=w,height=h).images[0]
    url = "https://engine.prod.bria-api.com/v1/text-to-image/base/3.2"
    
    payload = json.dumps({
    "prompt": prompt,
    "num_results": 1,
    "sync": True,
    "prompt_enhancement": True,
    "negative_prompt": negative_prompt,
    "seed": seed,
    "aspect_ratio": aspect_ratio
    })
    response = requests.request("POST", url, headers=auth_headers, data=payload)
    print('1',response)
    response = response.json()
    print('2',response)
    res_image = download_image(response["result"][0]['urls'][0])

    print(f'gen time is {time.time()-t} secs')
    
    # Future
    # Add amound of steps
    # if nsfw:
    #     raise gr.Error("Generated image is NSFW")
    
    return res_image

css = """
#col-container{
    margin: 0 auto;
    max-width: 580px;
}
"""
with gr.Blocks(css=css) as demo:
    with gr.Column(elem_id="col-container"):
        gr.Markdown("## BRIA-3.2")
        gr.HTML('''
          <p style="margin-bottom: 10px; font-size: 94%">
            This is a demo for 
            <a href="https://huggingface.co/briaai/BRIA-3.2" target="_blank">BRIA 3.2 text-to-image </a>. 
            is our latest commercial-ready text-to-image model that significantly improves aesthetics and excels at rendering clear, readable text, particularly optimized for short phrases (1-6 words) while still trained on licensed data, and so provide full legal liability coverage for copyright and privacy infringement.
          </p>
          <p style="margin-bottom: 10px; font-size: 94%">
            API Endpoint available on: <a href="https://docs.bria.ai/image-generation/endpoints/text-to-image-base" target="_blank">Bria.ai</a>.
          </p>
        <p style="margin-bottom: 10px; font-size: 94%">
            ComfyUI node is available here: <a href="https://github.com/Bria-AI/ComfyUI-BRIA-API" target="_blank">ComfyUI Node</a>.
          </p>
        ''')
        with gr.Group():
            with gr.Column():
                prompt_in = gr.Textbox(label="Prompt", value='''photo of mystical dragon eating sushi, text bubble says "Sushi Time".''')
                aspect_ratio = gr.Dropdown(value=aspect_ratios[0], show_label=True, label="Aspect Ratio", choices=aspect_ratios)
                seed = gr.Textbox(label="Seed", value=-1)
                negative_prompt = gr.Textbox(label="Negative Prompt", value=default_negative_prompt)
                submit_btn = gr.Button("Generate")
        result = gr.Image(label="BRIA-3.2 Result")

        # gr.Examples(
        #     examples = [ 
        #         "Dragon, digital art, by Greg Rutkowski",
        #         "Armored knight holding sword",
        #         "A flat roof villa near a river with black walls and huge windows",
        #         "A calm and peaceful office",
        #         "Pirate guinea pig"
        #     ],
        #     fn = infer, 
        #     inputs = [
        #         prompt_in
        #     ],
        #     outputs = [
        #         result
        #     ]
        # )

    submit_btn.click(
        fn = infer,
        inputs = [
            prompt_in,
            negative_prompt,
            seed,
            aspect_ratio
        ],
        outputs = [
            result
        ]
    )

demo.queue().launch(show_api=False)