Create app.py
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app.py
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import gradio as gr
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from gradio import Server
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from transformers import T5ForConditionalGeneration, T5Tokenizer
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# Load model and tokenizer
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MODEL_NAME = "google-t5/t5-small"
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print("Loading model...")
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tokenizer = T5Tokenizer.from_pretrained(MODEL_NAME)
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model = T5ForConditionalGeneration.from_pretrained(MODEL_NAME)
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print("Model loaded!")
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def translate(text, prompt):
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"""
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Translate text using T5 with a task prefix.
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Note: t5-small is trained mainly on English tasks and has limited
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multilingual translation ability. See note at the bottom.
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"""
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if not text.strip():
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return "Please enter some text to translate."
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tokenizer(prompt, return_tensors="pt", max_length=512, truncation=True)
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with torch.no_grad():
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outputs = model.generate(
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**inputs,
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max_length=512,
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num_beams=4,
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early_stopping=True,
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)
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result = tokenizer.decode(outputs[0], skip_special_tokens=True)
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return result
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# βββββββββββββββββββββββββββββββββββββββββββββ
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# 4. gr.Server β REST API + OPTIONAL SWAGGER UI
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# βββββββββββββββββββββββββββββββββββββββββββββ
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app = Server(
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title=free Translator API",
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summary="free Translator API",
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version="1.0.0",
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)
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# Register as Gradio API endpoints (queued, SSE-streaming capable)
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app.api(translate, name="translate") # POST /gradio_api/call/translate
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# Optional: plain FastAPI GET health-check route
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@app.get("/health")
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def health():
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return {"status": "ok", "model": MODEL_ID}
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# βββββββββββββββββββββββββββββββββββββββββββββ
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# 5. LAUNCH
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# βββββββββββββββββββββββββββββββββββββββββββββ
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app.launch()
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