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| import gradio as gr | |
| from diffusers import AutoPipelineForText2Image | |
| from generate_propmts import generate_prompt | |
| from PIL import Image | |
| import asyncio | |
| import threading | |
| import traceback | |
| # Load the model once outside of the function | |
| model = AutoPipelineForText2Image.from_pretrained("stabilityai/sdxl-turbo") | |
| class SchedulerWrapper: | |
| def __init__(self, scheduler): | |
| self.scheduler = scheduler | |
| self._step = threading.local() | |
| self._step.step = 0 | |
| def step(self, *args, **kwargs): | |
| try: | |
| self._step.step += 1 | |
| return self.scheduler.step(*args, **kwargs) | |
| except IndexError: | |
| self._step.step = 0 | |
| return self.scheduler.step(*args, **kwargs) | |
| # Wrap the scheduler | |
| model.scheduler = SchedulerWrapper(model.scheduler) | |
| async def generate_image(prompt): | |
| try: | |
| # Set a higher value for num_inference_steps | |
| num_inference_steps = 5 # Adjust this value as needed | |
| # Use the model to generate an image | |
| output = await asyncio.to_thread( | |
| model, | |
| prompt=prompt, | |
| num_inference_steps=num_inference_steps, | |
| guidance_scale=0.0, # Typical value for guidance scale in image generation | |
| output_type="pil" # Directly get PIL Image objects | |
| ) | |
| # Check for output validity and return | |
| if output.images: | |
| return output.images[0] | |
| else: | |
| raise Exception("No images returned by the model.") | |
| except Exception as e: | |
| print(f"Error generating image: {e}") | |
| traceback.print_exc() | |
| return None # Return None on error to handle it gracefully in the UI | |
| async def inference(sentence_mapping, character_dict, selected_style): | |
| images = [] | |
| print(f'sentence_mapping: {sentence_mapping}, character_dict: {character_dict}, selected_style: {selected_style}') | |
| prompts = [] | |
| # Generate prompts for each paragraph | |
| for paragraph_number, sentences in sentence_mapping.items(): | |
| combined_sentence = " ".join(sentences) | |
| prompt = generate_prompt(combined_sentence, sentence_mapping, character_dict, selected_style) | |
| prompts.append(prompt) | |
| print(f"Generated prompt for paragraph {paragraph_number}: {prompt}") | |
| # Use asyncio.gather to run generate_image in parallel | |
| tasks = [generate_image(prompt) for prompt in prompts] | |
| images = await asyncio.gather(*tasks) | |
| # Filter out None values | |
| images = [image for image in images if image is not None] | |
| return images | |
| gradio_interface = gr.Interface( | |
| fn=inference, | |
| inputs=[ | |
| gr.JSON(label="Sentence Mapping"), | |
| gr.JSON(label="Character Dict"), | |
| gr.Dropdown(["oil painting", "sketch", "watercolor"], label="Selected Style") | |
| ], | |
| outputs=gr.Gallery(label="Generated Images") | |
| ) | |
| if __name__ == "__main__": | |
| gradio_interface.launch() | |