| |
| import os |
| |
| os.environ["CUDA_VISIBLE_DEVICES"] = "0" |
|
|
| import torch |
| from transformers import Qwen2VLForConditionalGeneration, AutoProcessor |
| from PIL import Image |
| import gradio as gr |
| from qwen_vl_utils import process_vision_info |
|
|
| def load_model(): |
| """ |
| マージ済みモデルとプロセッサのロード |
| """ |
| print("マージ済みモデルをロード中...") |
| model = Qwen2VLForConditionalGeneration.from_pretrained( |
| "AIBunCho/AI_bokete", torch_dtype="auto", device_map="auto", |
| ) |
| processor = AutoProcessor.from_pretrained("AIBunCho/AI_bokete") |
| print("マージ済みモデルのロード完了.") |
| return model, processor |
|
|
| def perform_inference(model, processor, image, prompt): |
| """ |
| 推論の実行 |
| """ |
| |
| target_width = 512 |
| width_percent = (target_width / float(image.size[0])) |
| target_height = int((float(image.size[1]) * float(width_percent))) |
| image = image.resize((target_width, target_height), Image.Resampling.LANCZOS) |
|
|
|
|
| messages = [ |
| { |
| "role": "user", |
| "content": [ |
| { |
| "type": "image", |
| "image": image, |
| }, |
| {"type": "text", "text": prompt}, |
| ], |
| } |
| ] |
|
|
| |
| image = image.convert("RGB") |
| image_inputs, video_inputs = process_vision_info(messages) |
|
|
| |
| text = processor.apply_chat_template( |
| messages, tokenize=False, add_generation_prompt=True |
| ) |
|
|
| |
| inputs = processor( |
| text=[text], |
| images=image_inputs, |
| videos=video_inputs, |
| padding=True, |
| return_tensors="pt", |
| ) |
|
|
| |
| device = "cuda:0" if torch.cuda.is_available() else "cpu" |
| model.to(device) |
| inputs = {k: v.to(device) for k, v in inputs.items()} |
|
|
| |
| for param in model.parameters(): |
| param.data = param.data.to(device) |
|
|
| |
| with torch.no_grad(): |
| generated_ids = model.generate(**inputs, max_new_tokens=128) |
|
|
| |
| generated_ids_trimmed = [ |
| out_ids[len(in_ids):] for in_ids, out_ids in zip(inputs["input_ids"], generated_ids) |
| ] |
|
|
| |
| output_text = processor.batch_decode( |
| generated_ids_trimmed, skip_special_tokens=True, clean_up_tokenization_spaces=False |
| ) |
|
|
| return output_text[0] |
|
|
| def main(): |
| |
| model, processor = load_model() |
|
|
| |
| prompt = "<image>画像を見てシュールで面白いことを言ってください。空欄がある場合はそれを埋めるように答えてください。" |
|
|
| |
| iface = gr.Interface( |
| fn=lambda image: perform_inference(model, processor, image, prompt), |
| inputs=gr.Image(type="pil"), |
| outputs="text", |
| title="Qwen2-VL-7B-Instruct Bokete Inference", |
| description="画像をアップロードすると、シュールで面白いキャプションが生成される…かも?", |
| examples=[["./images/0.jpg"]], |
| ) |
|
|
| |
| iface.launch() |
|
|
| if __name__ == "__main__": |
| main() |
|
|