Create app.py

app.py

@@ -0,0 +1,148 @@
+import gradio as gr
+import numpy as np
+import os 
+import random
+import requests
+from PIL import Image
+from io import BytesIO
+
+MAX_SEED = np.iinfo(np.int32).max
+MAX_IMAGE_SIZE = 2048
+
+class APIClient:
+    def __init__(self, api_key=os.getenv("API_KEY"), base_url="inference.prodia.com"):
+        self.headers = {
+            "Content-Type": "application/json",
+            "Accept": "image/jpeg",
+            "Authorization": f"Bearer {api_key}"
+        }
+        self.base_url = f"https://{base_url}"
+
+    def _post(self, url, json=None):
+        r = requests.post(url, headers=self.headers, json=json)
+        r.raise_for_status()
+
+        return Image.open(BytesIO(r.content)).convert("RGBA")
+
+    def job(self, config):
+        body = {"type": "inference.flux.dev.txt2img.v1", "config": config} # change type to flux schnell
+        return self._post(f"{self.base_url}/v2/job", json=body)
+    
+
+def infer(prompt, seed=42, randomize_seed=False, width=1024, height=1024, guidance_scale=5.0, num_inference_steps=28, progress=gr.Progress(track_tqdm=True)):
+    if randomize_seed:
+        seed = random.randint(0, MAX_SEED)
+    image = generative_api.job({
+        "prompt": prompt,
+        "width": width,
+        "height": height,
+        "seed": seed,
+        "num_inference_steps": num_inference_steps,
+        "guidance_scale": guidance_scale
+    })
+    return image, seed
+
+generative_api = APIClient()
+ 
+examples = [
+    "a tiny astronaut hatching from an egg on the moon",
+    "a cat holding a sign that says hello world",
+    "an anime illustration of a wiener schnitzel",
+]
+
+css="""
+#col-container {
+    margin: 0 auto;
+    max-width: 520px;
+}
+"""
+
+with gr.Blocks(css=css) as demo:
+    
+    with gr.Column(elem_id="col-container"):
+        gr.Markdown(f"""# FLUX.1 [schnell]
+12B param rectified flow transformer distilled from [FLUX.1 [pro]](https://blackforestlabs.ai/) for 4 step generation
+[[blog](https://blackforestlabs.ai/announcing-black-forest-labs/)] [[model](https://huggingface.co/black-forest-labs/FLUX.1-schnell)]
+        """)
+        
+        with gr.Row():
+            
+            prompt = gr.Text(
+                label="Prompt",
+                show_label=False,
+                max_lines=1,
+                placeholder="Enter your prompt",
+                container=False,
+            )
+            
+            run_button = gr.Button("Run", scale=0)
+        
+        result = gr.Image(label="Result", show_label=False)
+        
+        with gr.Accordion("Advanced Settings", open=False):
+            
+            seed = gr.Slider(
+                label="Seed",
+                minimum=0,
+                maximum=MAX_SEED,
+                step=1,
+                value=0,
+            )
+            
+            randomize_seed = gr.Checkbox(label="Randomize seed", value=True)
+            
+            with gr.Row():
+                
+                width = gr.Slider(
+                    label="Width",
+                    minimum=256,
+                    maximum=MAX_IMAGE_SIZE,
+                    step=32,
+                    value=1024,
+                    interactive=False
+                )
+                                                    
+                height = gr.Slider(
+                    label="Height",
+                    minimum=256,
+                    maximum=MAX_IMAGE_SIZE,
+                    step=32,
+                    value=1024,
+                    interactive=False
+                )
+            
+            with gr.Row():
+
+                guidance_scale = gr.Slider(
+                    label="Guidance Scale",
+                    minimum=1,
+                    maximum=15,
+                    step=0.1,
+                    value=3.5,
+                )
+  
+                num_inference_steps = gr.Slider(
+                    label="Number of inference steps",
+                    minimum=1,
+                    maximum=50,
+                    step=1,
+                    value=28,
+                )
+        
+        gr.Examples(
+            examples = examples,
+            fn = infer,
+            inputs = [prompt],
+            outputs = [result, seed],
+            cache_examples="lazy"
+        )
+
+    gr.on(
+        triggers=[run_button.click, prompt.submit],
+        fn = infer,
+        inputs = [prompt, seed, randomize_seed, width, height, guidance_scale, num_inference_steps],
+        outputs = [result, seed]
+    )
+
+
+demo.queue(default_concurrency_limit=1, max_size=5, api_open=False).launch(max_threads=256, show_api=False)