| 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 |
|
|
| |
| 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 = """ |
| 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) |
|
|
| |
| parquet_path = "output.parquet" |
| df.to_parquet(parquet_path) |
|
|
| return { |
| "table": df[["file_name", "structured_data"]], |
| "download": parquet_path |
| } |
|
|
| |
| 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() |