Delete OLD_bugged_joy_caption_jupyter.ipynb
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OLD_bugged_joy_caption_jupyter.ipynb
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {
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"id": "VjYy0F2gZIPR"
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},
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"outputs": [],
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"source": [
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"!pip install gradio bitsandbytes transformers==4.43.3\n",
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"\n",
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"!wget https://huggingface.co/spaces/fancyfeast/joy-caption-pre-alpha/resolve/main/wpkklhc6/image_adapter.pt -O /content/image_adapter.pt\n",
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"!wget https://huggingface.co/spaces/fancyfeast/joy-caption-pre-alpha/raw/main/wpkklhc6/config.yaml -O /content/config.yaml\n",
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"\n",
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"import gradio as gr\n",
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"from huggingface_hub import InferenceClient\n",
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"from torch import nn\n",
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"from transformers import AutoModel, AutoProcessor, AutoTokenizer, PreTrainedTokenizer, PreTrainedTokenizerFast, AutoModelForCausalLM\n",
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"from pathlib import Path\n",
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"import torch\n",
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"import torch.amp.autocast_mode\n",
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"from PIL import Image\n",
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"import os\n",
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"\n",
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"CLIP_PATH = \"google/siglip-so400m-patch14-384\"\n",
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"VLM_PROMPT = \"A descriptive caption for this image:\\n\"\n",
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"# MODEL_PATH = \"unsloth/Meta-Llama-3.1-8B\"\n",
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"MODEL_PATH = \"unsloth/Meta-Llama-3.1-8B-bnb-4bit\"\n",
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"CHECKPOINT_PATH = Path(\"wpkklhc6\")\n",
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"\n",
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"class ImageAdapter(nn.Module):\n",
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"\tdef __init__(self, input_features: int, output_features: int):\n",
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"\t\tsuper().__init__()\n",
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"\t\tself.linear1 = nn.Linear(input_features, output_features)\n",
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"\t\tself.activation = nn.GELU()\n",
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"\t\tself.linear2 = nn.Linear(output_features, output_features)\n",
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"\n",
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"\tdef forward(self, vision_outputs: torch.Tensor):\n",
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"\t\tx = self.linear1(vision_outputs)\n",
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"\t\tx = self.activation(x)\n",
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"\t\tx = self.linear2(x)\n",
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"\t\treturn x\n",
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"\n",
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"# Load CLIP\n",
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"print(\"Loading CLIP\")\n",
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"clip_processor = AutoProcessor.from_pretrained(CLIP_PATH)\n",
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"clip_model = AutoModel.from_pretrained(CLIP_PATH)\n",
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"clip_model = clip_model.vision_model\n",
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"clip_model.eval()\n",
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"clip_model.requires_grad_(False)\n",
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"clip_model.to(\"cuda\")\n",
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"\n",
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"# Tokenizer\n",
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"print(\"Loading tokenizer\")\n",
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"tokenizer = AutoTokenizer.from_pretrained(MODEL_PATH, load_in_4bit=True, use_fast=False)\n",
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"assert isinstance(tokenizer, PreTrainedTokenizer) or isinstance(tokenizer, PreTrainedTokenizerFast), f\"Tokenizer is of type {type(tokenizer)}\"\n",
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"\n",
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"# LLM\n",
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"print(\"Loading LLM\")\n",
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"text_model = AutoModelForCausalLM.from_pretrained(MODEL_PATH, load_in_4bit=True, device_map=\"auto\", torch_dtype=torch.float16)\n",
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"text_model.eval()\n",
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"\n",
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"# Image Adapter\n",
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"print(\"Loading image adapter\")\n",
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"image_adapter = ImageAdapter(clip_model.config.hidden_size, text_model.config.hidden_size)\n",
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"image_adapter.load_state_dict(torch.load(\"/content/image_adapter.pt\", map_location=\"cpu\"))\n",
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"image_adapter.eval()\n",
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"image_adapter.to(\"cuda\")\n",
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"\n",
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"@torch.inference_mode()\n",
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"def stream_chat(input_image: Image.Image):\n",
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"\ttorch.cuda.empty_cache()\n",
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"\n",
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"\t# Preprocess image\n",
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"\timage = clip_processor(images=input_image, return_tensors='pt').pixel_values\n",
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"\timage = image.to('cuda')\n",
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"\n",
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"\t# Tokenize the prompt\n",
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"\tprompt = tokenizer.encode(VLM_PROMPT, return_tensors='pt', padding=False, truncation=False, add_special_tokens=False)\n",
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"\n",
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"\t# Embed image\n",
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"\twith torch.amp.autocast_mode.autocast('cuda', enabled=True):\n",
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"\t\tvision_outputs = clip_model(pixel_values=image, output_hidden_states=True)\n",
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"\t\timage_features = vision_outputs.hidden_states[-2]\n",
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"\t\tembedded_images = image_adapter(image_features)\n",
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"\t\tembedded_images = embedded_images.to('cuda')\n",
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"\n",
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"\t# Embed prompt\n",
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"\tprompt_embeds = text_model.model.embed_tokens(prompt.to('cuda'))\n",
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"\tassert prompt_embeds.shape == (1, prompt.shape[1], text_model.config.hidden_size), f\"Prompt shape is {prompt_embeds.shape}, expected {(1, prompt.shape[1], text_model.config.hidden_size)}\"\n",
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"\tembedded_bos = text_model.model.embed_tokens(torch.tensor([[tokenizer.bos_token_id]], device=text_model.device, dtype=torch.int64))\n",
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"\n",
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"\t# Construct prompts\n",
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"\tinputs_embeds = torch.cat([\n",
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"\t\tembedded_bos.expand(embedded_images.shape[0], -1, -1),\n",
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"\t\tembedded_images.to(dtype=embedded_bos.dtype),\n",
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"\t\tprompt_embeds.expand(embedded_images.shape[0], -1, -1),\n",
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"\t], dim=1)\n",
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"\n",
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"\tinput_ids = torch.cat([\n",
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"\t\ttorch.tensor([[tokenizer.bos_token_id]], dtype=torch.long),\n",
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"\t\ttorch.zeros((1, embedded_images.shape[1]), dtype=torch.long),\n",
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"\t\tprompt,\n",
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"\t], dim=1).to('cuda')\n",
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"\tattention_mask = torch.ones_like(input_ids)\n",
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"\n",
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"\t#generate_ids = text_model.generate(input_ids, inputs_embeds=inputs_embeds, attention_mask=attention_mask, max_new_tokens=300, do_sample=False, suppress_tokens=None)\n",
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"\tgenerate_ids = text_model.generate(input_ids, inputs_embeds=inputs_embeds, attention_mask=attention_mask, max_new_tokens=300, do_sample=True, top_k=10, temperature=0.5, suppress_tokens=None)\n",
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"\n",
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"\t# Trim off the prompt\n",
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"\tgenerate_ids = generate_ids[:, input_ids.shape[1]:]\n",
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"\tif generate_ids[0][-1] == tokenizer.eos_token_id:\n",
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"\t\tgenerate_ids = generate_ids[:, :-1]\n",
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"\n",
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"\tcaption = tokenizer.batch_decode(generate_ids, skip_special_tokens=False, clean_up_tokenization_spaces=False)[0]\n",
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"\n",
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"\treturn caption.strip()\n",
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"\n",
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"\n",
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"with gr.Blocks(css=\".gradio-container {max-width: 544px !important}\", analytics_enabled=False) as demo:\n",
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"\twith gr.Row():\n",
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"\t\twith gr.Column():\n",
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"\t\t\tinput_image = gr.Image(type=\"pil\", label=\"Input Image\")\n",
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"\t\t\trun_button = gr.Button(\"Caption\")\n",
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"\t\t\toutput_caption = gr.Textbox(label=\"Caption\")\n",
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"\trun_button.click(fn=stream_chat, inputs=[input_image], outputs=[output_caption])\n",
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"\n",
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"demo.queue().launch(share=True, inline=False, debug=True)"
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]
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}
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],
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"metadata": {
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"accelerator": "GPU",
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"colab": {
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"gpuType": "T4",
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"provenance": []
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},
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"kernelspec": {
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"display_name": "Python 3",
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"name": "python3"
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},
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"language_info": {
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"name": "python"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 0
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}
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