Update app.py

app.py

@@ -1,11 +1,15 @@
 import gradio as gr
-import Lumaai
+import LumaAI  
 import requests
-import time
+from PIL import Image
+from io import BytesIO
+import os
 
+# Initialize LumaAI client
 def create_client(api_key):
-    return Lumaai(auth_token=api_key)
+    return LumaAI.LumaAI(auth_token=api_key)  # Assuming LumaAI is a class within the LumaAI module
 
+# Basic video generation
 def generate_video(api_key, prompt, aspect_ratio, loop):
     client = create_client(api_key)
     try:
@@ -18,6 +22,7 @@ def generate_video(api_key, prompt, aspect_ratio, loop):
     except Exception as e:
         return None, f"Error: {str(e)}"
 
+# Polling generation status
 def poll_generation(api_key, generation_id):
     if not generation_id:
         return "No generation in progress", None
@@ -25,10 +30,17 @@ def poll_generation(api_key, generation_id):
     client = create_client(api_key)
     try:
         generation = client.generations.get(id=generation_id)
-        return generation.status, generation.assets.thumbnail
+        status = generation.status
+        thumbnail_url = generation.assets.thumbnail
+        
+        # Fetch the thumbnail image
+        thumbnail_response = requests.get(thumbnail_url)
+        thumbnail = thumbnail_response.content if thumbnail_response.status_code == 200 else None
+        return status, thumbnail
     except Exception as e:
         return f"Error: {str(e)}", None
 
+# Download the generated video
 def download_video(api_key, generation_id):
     if not generation_id:
         return None
@@ -39,9 +51,14 @@ def download_video(api_key, generation_id):
         video_url = generation.assets.video
         response = requests.get(video_url, stream=True)
         
+        if response.status_code != 200:
+            return None
+        
         file_name = f"generated_video_{generation_id}.mp4"
         with open(file_name, 'wb') as file:
-            file.write(response.content)
+            for chunk in response.iter_content(chunk_size=8192):
+                if chunk:
+                    file.write(chunk)
         
         return file_name
     except Exception as e:
@@ -51,23 +68,53 @@ with gr.Blocks() as demo:
     gr.Markdown("# Luma AI Video Generation Demo")
     gr.Markdown("Generate videos using Luma AI based on text prompts.")
     
-    api_key = gr.Textbox(label="Enter your Luma AI API Key", type="password")
+    api_key = gr.Textbox(
+        label="Enter your Luma AI API Key",
+        type="password",
+        placeholder="sk-..."
+    )
     
     with gr.Row():
         with gr.Column(scale=2):
-            prompt = gr.Textbox(label="Prompt")
-            aspect_ratio = gr.Dropdown(["16:9", "9:16", "1:1", "4:3", "3:4"], label="Aspect Ratio")
-            loop = gr.Checkbox(label="Loop")
+            prompt = gr.Textbox(
+                label="Prompt",
+                placeholder="Describe your video...",
+                lines=2
+            )
+            aspect_ratio = gr.Dropdown(
+                choices=["16:9", "9:16", "1:1", "4:3", "3:4"],
+                label="Aspect Ratio",
+                value="16:9"
+            )
+            loop = gr.Checkbox(
+                label="Loop",
+                value=False
+            )
             generate_btn = gr.Button("Generate Video")
         
         with gr.Column(scale=3):
-            status = gr.Textbox(label="Status")
-            thumbnail = gr.Image(label="Thumbnail")
-            video = gr.Video(label="Generated Video")
+            status = gr.Textbox(
+                label="Status",
+                interactive=False  # Replaces readonly=True
+            )
+            thumbnail = gr.Image(
+                label="Thumbnail",
+                interactive=False
+            )
+            video = gr.Video(
+                label="Generated Video",
+                interactive=False
+            )
     
     generation_id = gr.State()
     
+    # Generate Video Action
     def on_generate(api_key, prompt, aspect_ratio, loop):
+        if not api_key:
+            return None, "Please provide a valid API key."
+        if not prompt:
+            return None, "Prompt cannot be empty."
+        
         gen_id, message = generate_video(api_key, prompt, aspect_ratio, loop)
         return gen_id, message
     
@@ -77,12 +124,30 @@ with gr.Blocks() as demo:
         outputs=[generation_id, status]
     )
     
+    # Check Status and Display Results
     def on_poll(api_key, gen_id):
-        status, thumb = poll_generation(api_key, gen_id)
-        if status == "completed":
+        if not api_key:
+            return "Please provide a valid API key.", None, None
+        if not gen_id:
+            return "No generation in progress.", None, None
+        
+        status_text, thumb_data = poll_generation(api_key, gen_id)
+        if status_text.lower() == "completed":
             video_path = download_video(api_key, gen_id)
-            return status, thumb, video_path
-        return status, thumb, None
+            if video_path:
+                video_output = video_path
+            else:
+                video_output = None
+        else:
+            video_output = None
+        
+        # Convert thumbnail bytes to image format
+        if thumb_data:
+            thumb_image = Image.open(BytesIO(thumb_data))
+        else:
+            thumb_image = None
+        
+        return status_text, thumb_image, video_output
     
     poll_btn = gr.Button("Check Status")
     poll_btn.click(
@@ -90,5 +155,12 @@ with gr.Blocks() as demo:
         inputs=[api_key, generation_id],
         outputs=[status, thumbnail, video]
     )
-
-demo.launch()
+    
+    gr.Markdown("""
+    ---
+    ### Documentation & Resources
+    - [Luma AI Python SDK](https://github.com/lumalabs/lumaai-python)
+    - [Get API Key](https://lumalabs.ai/dream-machine/api/keys)
+    """)
+    
+demo.launch()