Download app.py from sandz7/Krypton: direct link, hf CLI and curl.
- Browser
- Download file 3.21 kB
-
https://huggingface.co/spaces/sandz7/Krypton/resolve/main/app.py
- Command line
-
hf download hf://spaces/sandz7/Krypton/app.py
-
curl -L -o app.py https://huggingface.co/spaces/sandz7/Krypton/resolve/main/app.py
3.21 kB
| import torch | |
| import gradio as gr | |
| from transformers import TextIteratorStreamer, AutoProcessor, LlavaForConditionalGeneration | |
| from PIL import Image | |
| from threading import Thread | |
| import spaces | |
| import accelerate | |
| import time | |
| DESCRIPTION = ''' | |
| <div> | |
| <h1 style="text-align: center;">Krypton π</h1> | |
| <p>This uses an Open Source model from <a href="https://huggingface.co/xtuner/llava-llama-3-8b-v1_1-transformers"><b>xtuner/llava-llama-3-8b-v1_1-transformers</b></a></p> | |
| </div> | |
| ''' | |
| model_id = "xtuner/llava-llama-3-8b-v1_1-transformers" | |
| model = LlavaForConditionalGeneration.from_pretrained( | |
| model_id, | |
| torch_dtype=torch.float16, | |
| low_cpu_mem_usage=True | |
| ) | |
| model.to('cuda') | |
| processor = AutoProcessor.from_pretrained(model_id) | |
| # Confirming and setting the eos_token_id (if necessary) | |
| model.generation_config.eos_token_id = 128009 | |
| def krypton(message, history): | |
| print(message) | |
| if message["files"]: | |
| # message["files"][-1] is a Dict or just a string | |
| if type(message["files"][-1]) == dict: | |
| image = message["files"][-1]["path"] | |
| else: | |
| image = message["files"][-1] | |
| else: | |
| # if there's no image uploaded for this turn, look for images in the past turns | |
| # kept inside tuples, take the last one | |
| for hist in history: | |
| if type(hist[0]) == tuple: | |
| image = hist[0][0] | |
| try: | |
| if image is None: | |
| # Handle the case where image is None | |
| gr.Error("Please upload an image so kypton can understand.") | |
| except NameError: | |
| # Handle the case where 'image' is not defined at all | |
| gr.Error("Upload an image so krypton can work.") | |
| prompt = f"<|start_header_id|>user<|end_header_id|>\n\n<image>\n{message['text']}<|eot_id|><|start_header_id|>assistant<|end_header_id|>\n\n" | |
| image = Image.open(image) | |
| inputs = processor(prompt, image, return_tensors='pt').to(0, torch.float16) | |
| streamer = TextIteratorStreamer(processor, **{"skip_special_tokens": False, "skip_prompt": True}) | |
| generation_kwargs = dict(inputs, streamer=streamer, max_new_tokens=1024, do_sample=False) | |
| thread = Thread(target=model.generate, kwargs=generation_kwargs) | |
| thread.start() | |
| text_prompt = f"<|start_header_id|>user<|end_header_id|>\n\n{message['text']}<|eot_id|><|start_header_id|>assistant<|end_header_id|>\n\n" | |
| buffer = "" | |
| time.sleep(0.5) | |
| for new_text in streamer: | |
| # find <|eot_id|> and remove it from the new_text | |
| if "<|eot_id|>" in new_text: | |
| new_text = new_text.split("<|eot_id|>")[0] | |
| buffer += new_text | |
| generated_text_without_prompt = buffer | |
| time.sleep(0.06) | |
| yield generated_text_without_prompt | |
| chatbot = gr.Chatbot(height=600, label="Krypt AI") | |
| chat_input = gr.MultimodalTextbox(interactive=True, file_types=["image"], placeholder="Enter your question or upload an image.", show_label=False) | |
| with gr.Blocks(fill_height=True) as demo: | |
| gr.Markdown(DESCRIPTION) | |
| gr.ChatInterface( | |
| fn=krypton, | |
| chatbot=chatbot, | |
| fill_height=True, | |
| multimodal=True, | |
| textbox=chat_input, | |
| ) | |
| if __name__ == "__main__": | |
| demo.launch() |