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Delete app_test.py
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app_test.py
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from huggingface_hub import InferenceClient
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from langchain_community.tools import DuckDuckGoSearchResults
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from langchain.agents import create_react_agent, AgentExecutor
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from langchain_core.tools import BaseTool
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from pydantic import Field
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from PIL import Image, ImageDraw, ImageFont
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from functools import lru_cache
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import gradio as gr
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from io import BytesIO
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import os
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# === Setup Inference Clients ===
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# Use your Hugging Face token if necessary:
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# client = InferenceClient(repo_id="model", token="YOUR_HF_TOKEN")
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image_client = InferenceClient("m-ric/text-to-image")
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text_client = InferenceClient("Qwen/Qwen2.5-72B-Instruct")
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# === LangChain wrapper using InferenceClient for text generation ===
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class InferenceClientLLM(BaseTool):
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name: str = "inference_text_generator"
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description: str = "Generate text using HF Inference API."
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client: InferenceClient = Field(default=text_client, exclude=True)
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def _run(self, prompt: str) -> str:
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print(f"[LLM] Generating text for prompt: {prompt}")
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response = self.client.text_generation(prompt)
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# response is usually a dict with 'generated_text'
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return response.get("generated_text", "")
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def _arun(self, prompt: str):
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raise NotImplementedError("Async not supported.")
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# === Image generation tool ===
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class TextToImageTool(BaseTool):
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name: str = "text_to_image"
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description: str = "Generate an image from a text prompt."
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client: InferenceClient = Field(default=image_client, exclude=True)
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def _run(self, prompt: str) -> Image.Image:
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print(f"[Image Tool] Generating image for prompt: {prompt}")
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image_bytes = self.client.text_to_image(prompt)
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return Image.open(BytesIO(image_bytes))
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def _arun(self, prompt: str):
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raise NotImplementedError("Async not supported.")
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# === Initialize tools ===
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text_to_image_tool = TextToImageTool()
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text_gen_tool = InferenceClientLLM()
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search_tool = DuckDuckGoSearchResults()
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# === Create agent ===
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agent = create_react_agent(llm=text_gen_tool, tools=[text_to_image_tool, search_tool])
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agent_executor = AgentExecutor(agent=agent, tools=[text_to_image_tool, search_tool], verbose=True)
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# === Image labeling ===
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def add_label_to_image(image, label):
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draw = ImageDraw.Draw(image)
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font_path = "/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf"
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try:
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font = ImageFont.truetype(font_path, 30)
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except:
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font = ImageFont.load_default()
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text_width, text_height = draw.textsize(label, font=font)
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position = (image.width - text_width - 20, image.height - text_height - 20)
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rect_position = [position[0] - 10, position[1] - 10, position[0] + text_width + 10, position[1] + text_height + 10]
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draw.rectangle(rect_position, fill=(0, 0, 0, 128))
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draw.text(position, label, fill="white", font=font)
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return image
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# === Prompt generation with caching ===
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@lru_cache(maxsize=128)
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def generate_prompts_for_object(object_name):
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return {
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"past": f"Show an old version of a {object_name} from its early days.",
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"present": f"Show a {object_name} with current features/design/technology.",
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"future": f"Show a futuristic version of a {object_name}, predicting future features/designs.",
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}
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# === Cache generated images ===
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@lru_cache(maxsize=64)
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def generate_image_for_prompt(prompt, label):
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img = text_to_image_tool._run(prompt)
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return add_label_to_image(img, label)
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# === Main generation function ===
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def generate_object_history(object_name: str):
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prompts = generate_prompts_for_object(object_name)
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images = []
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file_paths = []
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for period, prompt in prompts.items():
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label = f"{object_name} - {period.capitalize()}"
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labeled_image = generate_image_for_prompt(prompt, label)
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file_path = f"/tmp/{object_name}_{period}.png"
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labeled_image.save(file_path)
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images.append((file_path, label))
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file_paths.append(file_path)
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# Create GIF
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gif_path = f"/tmp/{object_name}_evolution.gif"
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pil_images = [Image.open(p) for p in file_paths]
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pil_images[0].save(gif_path, save_all=True, append_images=pil_images[1:], duration=1000, loop=0)
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return images, gif_path
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# === Gradio UI ===
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def create_gradio_interface():
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with gr.Blocks() as demo:
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gr.Markdown("# TimeMetamorphy: Evolution Visualizer")
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with gr.Row():
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with gr.Column():
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object_input = gr.Textbox(label="Enter Object (e.g., car, phone)")
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generate_button = gr.Button("Generate Evolution")
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gallery = gr.Gallery(label="Generated Images").style(grid=3)
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gif_display = gr.Image(label="Generated GIF")
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generate_button.click(fn=generate_object_history, inputs=object_input, outputs=[gallery, gif_display])
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return demo
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# === Launch app ===
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if __name__ == "__main__":
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demo = create_gradio_interface()
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demo.launch(share=True)
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