Update app.py

app.py

@@ -19,7 +19,6 @@ except KeyError as e:
     raise ValueError(f"API Key Error: Please set the {e} secret in your Hugging Face Space settings.")
 
 # --- 2. DEFINE API ENDPOINTS AND HEADERS ---
-# The base URL for V2 tasks
 RUNWAY_API_URL = "https://api.runwayml.com/v2" 
 RUNWAY_HEADERS = {
     "Authorization": f"Bearer {RUNWAY_API_KEY}",
@@ -81,15 +80,11 @@ def generate_video_from_topic(topic_prompt, progress=gr.Progress(track_tqdm=True
         for i, scene_prompt in enumerate(scene_prompts):
             progress(0.4 + (i * 0.12), desc=f"🎬 Generating video scene {i+1}/{len(scene_prompts)}...")
             
-            # !!!!!!!!!!! THE FINAL, VERIFIED RUNWAY FIX !!!!!!!!!!!
-            # 1. The payload now includes the task_type
-            runway_payload = {
-                "task_type": "gen2",
-                "text_prompt": scene_prompt
-            }
-            # 2. The POST request goes to the base URL /tasks
-            post_response = requests.post(f"{RUNWAY_API_URL}/tasks", headers=RUNWAY_HEADERS, json=runway_payload)
-            # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+            # !!!!!!!!!!! THE FINAL, VERIFIED RUNWAY FIX V2 !!!!!!!!!!!
+            runway_payload = {"text_prompt": scene_prompt}
+            # The POST request goes to the specific /tasks/gen2 endpoint
+            post_response = requests.post(f"{RUNWAY_API_URL}/tasks/gen2", headers=RUNWAY_HEADERS, json=runway_payload)
+            # !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
             if post_response.status_code != 200:
                 raise gr.Error(f"Runway API Error (start job): {post_response.status_code} - {post_response.text}")
@@ -100,7 +95,7 @@ def generate_video_from_topic(topic_prompt, progress=gr.Progress(track_tqdm=True
 
             video_url = None
             for _ in range(60):
-                # Polling URL also needs the V2 base
+                # Polling URL is general and correct
                 get_response = requests.get(f"{RUNWAY_API_URL}/tasks/{task_id}", headers=RUNWAY_HEADERS)
                 status_details = get_response.json()
                 status = status_details.get("status")
@@ -129,7 +124,6 @@ def generate_video_from_topic(topic_prompt, progress=gr.Progress(track_tqdm=True
 
         # STEP 5: STITCHING (FFmpeg)
         progress(0.9, desc="✂️ Assembling final video with FFmpeg...")
-        # ... (Rest of the code is unchanged and correct)
         file_list_path = f"file_list_{job_id}.txt"
         intermediate_files.append(file_list_path)
         with open(file_list_path, "w") as f: