Update app.py

app.py

@@ -4,48 +4,22 @@ from generate_prompts import generate_prompt
 from diffusers import AutoPipelineForText2Image
 from io import BytesIO
 import gradio as gr
-import threading
 
-# Load the model once outside of the function
-print("Loading the model...")
-model = AutoPipelineForText2Image.from_pretrained("stabilityai/sdxl-turbo")
-print("Model loaded successfully.")
+# Asynchronously load the model once outside of the function
+model = None
 
-# Create a thread-local storage object
-thread_local = threading.local()
+async def load_model():
+    global model
+    print("Loading the model...")
+    model = AutoPipelineForText2Image.from_pretrained("stabilityai/sdxl-turbo")
+    print("Model loaded successfully.")
 
-class Scheduler:
-    def __init__(self):
-        self._step = threading.local()
-        self._step.step = None
+asyncio.run(load_model())
 
-    def _init_step_index(self):
-        self._step.step = 0
-
-    @property
-    def step(self):
-        return self._step.step
-
-    def step_process(self):
-        self._step.step += 1
-
-scheduler = Scheduler()
-
-def generate_image(prompt, prompt_name):
+async def generate_image(prompt, prompt_name):
     try:
-        # Initialize step index for the current thread
-        if scheduler.step is None:
-            scheduler._init_step_index()
-        
-        print(f"Initial step index for {prompt_name}: {scheduler.step}")
         print(f"Generating response for {prompt_name} with prompt: {prompt}")
-        
         output = model(prompt=prompt, num_inference_steps=1, guidance_scale=0.0)
-        
-        # Update and print step index
-        scheduler.step_process()
-        print(f"Updated step index for {prompt_name}: {scheduler.step}")
-
         print(f"Output for {prompt_name}: {output}")
 
         # Check if the model returned images
@@ -79,8 +53,7 @@ async def queue_api_calls(sentence_mapping, character_dict, selected_style):
         print(f"Generated prompt for paragraph {paragraph_number}: {prompt}")
 
     # Generate images for each prompt in parallel
-    loop = asyncio.get_running_loop()
-    tasks = [loop.run_in_executor(None, generate_image, prompt, f"Prompt {paragraph_number}") for paragraph_number, prompt in prompts]
+    tasks = [generate_image(prompt, f"Prompt {paragraph_number}") for paragraph_number, prompt in prompts]
     print("Tasks created for image generation.")
     responses = await asyncio.gather(*tasks)
     print("Responses received from image generation tasks.")
@@ -100,9 +73,6 @@ def process_prompt(sentence_mapping, character_dict, selected_style):
         asyncio.set_event_loop(loop)
     print("Event loop created.")
 
-    # Initialize thread-local variables
-    scheduler._init_step_index()
-
     # This sends the prompts to function that sets up the async calls. Once all the calls to the API complete, it returns a list of the gr.Textbox with value= set.
     cmpt_return = loop.run_until_complete(queue_api_calls(sentence_mapping, character_dict, selected_style))
     print(f"process_prompt completed with return value: {cmpt_return}")