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Update app.py
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app.py
CHANGED
@@ -4,56 +4,115 @@ import langdetect
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import logging
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import os
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os.environ["HF_HOME"] = "/app/cache"
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os.environ["TRANSFORMERS_CACHE"] = "/app/cache"
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app = FastAPI()
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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MODEL_MAP = {
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"id": "Helsinki-NLP/opus-mt-id-en",
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"th": "Helsinki-NLP/opus-mt-th-en",
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"fr": "Helsinki-NLP/opus-mt-fr-en",
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"es": "Helsinki-NLP/opus-mt-es-en",
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"ja": "Helsinki-NLP/opus-mt-ja-en",
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"vi": "Helsinki-NLP/opus-mt-vi-en",
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}
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translators = {}
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try:
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for lang, model_name in MODEL_MAP.items():
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logger.info(f"Loading model for {lang}...")
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translators[lang] = pipeline("translation", model=model_name)
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logger.info(f"Model for {lang} loaded successfully")
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except Exception as e:
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logger.error(f"Model initialization failed: {str(e)}")
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raise Exception(f"Model initialization failed: {str(e)}")
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def detect_language(text: str) -> str:
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try:
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except Exception as e:
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logger.warning(f"Language detection failed: {str(e)}
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return "en"
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@app.post("/translate")
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async def translate(text: str):
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if not text:
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raise HTTPException(status_code=400, detail="Text input is required")
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try:
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source_lang = detect_language(text)
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logger.info(f"
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if source_lang == "en":
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return {"translated_text": text}
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translator = translators.get(source_lang)
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if not translator:
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result = translator(text)
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"Processing failed: {str(e)}")
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import logging
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import os
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# Set environment variables for Hugging Face cache
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# Ini penting agar model di-cache di lokasi yang benar di dalam container Hugging Face Space
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os.environ["HF_HOME"] = "/app/cache"
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os.environ["TRANSFORMERS_CACHE"] = "/app/cache"
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app = FastAPI()
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# Konfigurasi logging untuk melihat pesan debug di log Space kamu
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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# Peta model untuk setiap bahasa yang didukung
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MODEL_MAP = {
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"id": "Helsinki-NLP/opus-mt-id-en",
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"th": "Helsinki-NLP/opus-mt-th-en",
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"fr": "Helsinki-NLP/opus-mt-fr-en",
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"es": "Helsinki-NLP/opus-mt-es-en",
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"ja": "Helsinki-NLP/opus-mt-ja-en",
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# Entri tunggal untuk Mandarin, kita akan normalisasi deteksi bahasanya
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"zh": "Helsinki-NLP/opus-mt-zh-en",
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"vi": "Helsinki-NLP/opus-mt-vi-en",
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}
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translators = {}
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try:
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# Inisialisasi semua model saat aplikasi dimulai
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for lang, model_name in MODEL_MAP.items():
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logger.info(f"Loading model for {lang} from {model_name}...")
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# Pastikan kita menggunakan device="cpu" atau "cuda" jika GPU tersedia
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# Untuk Hugging Face Space gratis biasanya CPU, jadi lebih aman tidak specify device
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translators[lang] = pipeline("translation", model=model_name)
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logger.info(f"Model for {lang} loaded successfully.")
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except Exception as e:
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# Tangani kegagalan inisialisasi model
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logger.error(f"Model initialization failed: {str(e)}")
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# Hentikan aplikasi jika model gagal dimuat, karena aplikasi tidak akan berfungsi
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raise Exception(f"Model initialization failed: {str(e)}")
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---
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## Fungsi Deteksi Bahasa yang Ditingkatkan
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Ini adalah bagian kunci perbaikannya. Kita akan **normalisasi kode bahasa Mandarin** yang mungkin dideteksi oleh `langdetect`.
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```python
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def detect_language(text: str) -> str:
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try:
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detected_lang = langdetect.detect(text)
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logger.info(f"langdetect detected: '{detected_lang}' for text: '{text[:50]}...'") # Log deteksi awal
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# Normalisasi untuk bahasa Mandarin:
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# Jika langdetect mengembalikan 'zh-cn', 'zh-tw', 'zh-hk', dll.,
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# kita paksa menjadi 'zh' agar sesuai dengan kunci di MODEL_MAP.
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if detected_lang.startswith('zh'):
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return 'zh'
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# Jika bahasa terdeteksi ada di MODEL_MAP, gunakan itu.
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# Jika tidak, default ke 'en' (bahasa Inggris).
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return detected_lang if detected_lang in MODEL_MAP else "en"
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except Exception as e:
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logger.warning(f"Language detection failed for text: '{text[:50]}...' Error: {str(e)}. Defaulting to English.")
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return "en"
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---
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## Endpoint API untuk Terjemahan
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```python
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@app.post("/translate")
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async def translate(text: str):
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"""
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Menerima teks dan mengembalikannya dalam bahasa Inggris.
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Secara otomatis mendeteksi bahasa sumber.
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"""
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if not text:
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raise HTTPException(status_code=400, detail="Text input is required.")
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try:
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# Deteksi bahasa sumber dari teks
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source_lang = detect_language(text)
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logger.info(f"Determined source language: '{source_lang}' for translation.")
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# Jika bahasa sumber sudah Bahasa Inggris, kembalikan teks aslinya
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if source_lang == "en":
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logger.info("Source language is English, returning original text.")
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return {"translated_text": text}
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# Dapatkan translator yang sesuai dari kamus translators
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translator = translators.get(source_lang)
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# Jika tidak ada translator yang mendukung bahasa yang terdeteksi
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if not translator:
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logger.error(f"No translator found for language: '{source_lang}'.")
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raise HTTPException(
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status_code=400,
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detail=f"Translation not supported for language: {source_lang}."
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)
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# Lakukan terjemahan
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logger.info(f"Translating from {source_lang}...")
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result = translator(text)
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translated_text = result[0]["translation_text"]
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logger.info(f"Translation successful. Original: '{text[:50]}...', Translated: '{translated_text[:50]}...'")
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return {"translated_text": translated_text}
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except HTTPException as e:
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# Tangani HTTPExceptions yang sudah kita definisikan sebelumnya
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raise e
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except Exception as e:
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# Tangani error tak terduga lainnya
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logger.error(f"An unexpected error occurred during processing: {str(e)}", exc_info=True)
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raise HTTPException(status_code=500, detail=f"Processing failed: {str(e)}")
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