| """ |
| Medical Park Makaleleri — Embedding Script |
| chunks.json icindeki her chunk_text icin embeddingmagibu-200m ile |
| 768 boyutlu, L2-normalize chunk_vector uretir. |
| |
| ONEMLI: Bu script CORPUS (dokuman) tarafi icindir -> encode_document() kullanilir. |
| Benchmarking asamasinda 30 test sorusunu embed ederken encode_query() kullanilmalidir. |
| Ikisini karistirmak benzerlik skorlarini bozar. |
| |
| Kurulum: |
| pip install -U sentence-transformers transformers |
| |
| Calistirma: |
| python embed_chunks.py |
| """ |
|
|
| import json |
| import os |
| import time |
|
|
| import torch |
| from sentence_transformers import SentenceTransformer |
|
|
| INPUT_PATH = "chunks.json" |
| OUTPUT_PATH = "chunks_with_vectors.json" |
| MODEL_NAME = "magibu/embeddingmagibu-200m" |
| BATCH_SIZE = 32 |
| TEST_FIRST_N = 5 |
|
|
|
|
| def load_chunks(path: str) -> list[dict]: |
| with open(path, encoding="utf-8") as f: |
| return json.load(f) |
|
|
|
|
| def save_chunks(chunks: list[dict], path: str) -> None: |
| os.makedirs(os.path.dirname(path), exist_ok=True) |
| with open(path, "w", encoding="utf-8") as f: |
| json.dump(chunks, f, ensure_ascii=False) |
|
|
|
|
| def main(): |
| |
| cuda_ok = torch.cuda.is_available() |
| print(f"CUDA kullanilabilir mi: {cuda_ok}") |
| if cuda_ok: |
| print(f" GPU: {torch.cuda.get_device_name(0)}") |
| else: |
| print(" UYARI: GPU gorunmuyor, CPU'da calisacak (daha yavas olur).") |
| print(" torch'u CUDA destekli kurduğundan emin ol: https://pytorch.org/get-started/locally/") |
|
|
| chunks = load_chunks(INPUT_PATH) |
| print(f"\nYuklenen chunk sayisi: {len(chunks)}") |
|
|
| print(f"Model yukleniyor: {MODEL_NAME} (ilk calistirmada indirme suresi alabilir, ~yuzlerce MB)") |
| model = SentenceTransformer(MODEL_NAME, trust_remote_code=True) |
| print(f"Model cihazi: {model.device}") |
|
|
| texts = [c["chunk_text"] for c in chunks] |
|
|
| |
| print(f"\nOn test: ilk {TEST_FIRST_N} chunk encode ediliyor...") |
| sample_vecs = model.encode_document(texts[:TEST_FIRST_N]) |
| print(f"Ornek vektor boyutu: {sample_vecs.shape}") |
| assert sample_vecs.shape[1] == 768, "Beklenmeyen embedding boyutu!" |
|
|
| |
| print(f"\nTum chunk'lar encode ediliyor (batch_size={BATCH_SIZE})...") |
| t0 = time.time() |
| embeddings = model.encode_document( |
| texts, |
| batch_size=BATCH_SIZE, |
| show_progress_bar=True, |
| ) |
| print(f"Bitti: {time.time() - t0:.1f} sn") |
|
|
| |
| for chunk, vec in zip(chunks, embeddings): |
| chunk["chunk_vector"] = vec.tolist() |
|
|
| save_chunks(chunks, OUTPUT_PATH) |
| print(f"\n[OK] Kaydedildi: {OUTPUT_PATH}") |
| print(f" Sutunlar: url, title, chunk_text, chunk_index, __source, chunk_vector") |
| print(f" Vektor boyutu: {len(chunks[0]['chunk_vector'])}") |
|
|
| |
| size_mb = os.path.getsize(OUTPUT_PATH) / (1024 * 1024) |
| print(f" Dosya boyutu: {size_mb:.1f} MB") |
|
|
|
|
| if __name__ == "__main__": |
| main() |
|
|