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| import gradio as gr | |
| import pandas as pd | |
| import torch | |
| from transformers import AutoProcessor, Qwen2VLForConditionalGeneration | |
| from PIL import Image | |
| import io | |
| from datetime import datetime | |
| # โหลดโมเดลและ processor จาก Hugging Face | |
| model_name = "Qwen/Qwen2-VL-7B-Instruct" | |
| processor = AutoProcessor.from_pretrained(model_name) | |
| model = Qwen2VLForConditionalGeneration.from_pretrained( | |
| model_name, | |
| torch_dtype=torch.bfloat16, | |
| device_map="auto" | |
| ) | |
| def extract_data_from_image(images): | |
| results = [] | |
| for idx, img_file in enumerate(images): | |
| try: | |
| image = Image.open(io.BytesIO(img_file.read())).convert("RGB") | |
| # Prompt บอกโมเดลว่าให้ทำอะไร | |
| prompt = """ | |
| กรุณาสกัดข้อมูลสำคัญจากเอกสารนี้: | |
| - วันที่ | |
| - ยอดรวม | |
| - ชื่อร้านค้า | |
| - เลขใบเสร็จ | |
| กรุณาตอบในรูปแบบ JSON | |
| """ | |
| messages = [ | |
| { | |
| "role": "user", | |
| "content": [ | |
| {"type": "image"}, | |
| {"type": "text", "text": prompt} | |
| ] | |
| } | |
| ] | |
| text_prompt = processor.apply_chat_template(messages, tokenize=False, add_generation_prompt=True) | |
| inputs = processor(text=text_prompt, images=image, return_tensors="pt").to(model.device).bfloat16() | |
| with torch.no_grad(): | |
| generated_ids = model.generate(**inputs, max_new_tokens=512) | |
| generated_ids_trimmed = [out_ids[len(inputs["input_ids"][0]):] for out_ids in generated_ids] | |
| answer = processor.batch_decode(generated_ids_trimmed, skip_special_tokens=True, clean_up_tokenization_spaces=False)[0] | |
| try: | |
| structured = eval(answer.replace("```json", "").replace("```", "")) | |
| except: | |
| structured = {"raw_response": answer} | |
| results.append({ | |
| "file_name": img_file.name, | |
| "data": str(structured), | |
| "timestamp": datetime.now().isoformat() | |
| }) | |
| except Exception as e: | |
| results.append({ | |
| "file_name": img_file.name, | |
| "data": f"เกิดข้อผิดพลาด: {str(e)}", | |
| "timestamp": datetime.now().isoformat() | |
| }) | |
| df = pd.DataFrame(results) | |
| df["structured_data"] = df["data"].astype(str) | |
| # บันทึกเป็น Parquet | |
| parquet_path = "output.parquet" | |
| df.to_parquet(parquet_path) | |
| return { | |
| "table": df[["file_name", "structured_data"]], | |
| "download": parquet_path | |
| } | |
| # UI Components | |
| title = "📄 ระบบสกัดข้อมูลเอกสารอัตโนมัติ (รองรับภาษาไทย)" | |
| description = "อัปโหลดภาพหลายไฟล์ → สกัดข้อมูล → แยกหัวข้อ → บันทึกเป็น Parquet" | |
| interface = gr.Interface( | |
| fn=extract_data_from_image, | |
| inputs=gr.File(type="file", file_types=["image"], multiple=True), | |
| outputs=[ | |
| gr.Dataframe(label="ผลลัพธ์"), | |
| gr.File(label="ดาวน์โหลด Parquet") | |
| ], | |
| title=title, | |
| description=description, | |
| allow_flagging="never" | |
| ) | |
| if __name__ == "__main__": | |
| interface.launch() |