Create app.py

app.py

@@ -0,0 +1,63 @@
+import torch
+from transformers import AutoModelForCausalLM, AutoTokenizer, GenerationConfig
+
+# Define the device
+device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
+
+model_id = "Narrativaai/BioGPT-Large-finetuned-chatdoctor"
+
+tokenizer = AutoTokenizer.from_pretrained("microsoft/BioGPT-Large")
+
+model = AutoModelForCausalLM.from_pretrained(model_id)
+
+# Move the model to the device
+model = model.to(device)
+
+def answer_question(
+        prompt,
+        temperature=0.1,
+        top_p=0.75,
+        top_k=40,
+        num_beams=2,
+        **kwargs,
+):
+    inputs = tokenizer(prompt, return_tensors="pt")
+    # Move the inputs to the device
+    inputs = {key: val.to(device) for key, val in inputs.items()}
+    input_ids = inputs["input_ids"]
+    attention_mask = inputs["attention_mask"]
+    generation_config = GenerationConfig(
+        temperature=temperature,
+        top_p=top_p,
+        top_k=top_k,
+        num_beams=num_beams,
+        **kwargs,
+    )
+    with torch.no_grad():
+        generation_output = model.generate(
+            input_ids=input_ids,
+            attention_mask=attention_mask,
+            generation_config=generation_config,
+            return_dict_in_generate=True,
+            output_scores=True,
+            max_new_tokens=512,
+            eos_token_id=tokenizer.eos_token_id
+
+        )
+    s = generation_output.sequences[0]
+    output = tokenizer.decode(s, skip_special_tokens=True)
+    return output.split(" Response:")[1]
+
+example_prompt = """
+Below is an instruction that describes a task, paired with an input that provides further context.Write a response that appropriately completes the request.
+
+### Instruction:
+If you are a doctor, please answer the medical questions based on the patient's description.
+
+### Input:
+Hi i have sore lumps under the skin on my legs. they started on my left ankle and are approx 1 - 2cm diameter and are spreading up onto my thies. I am eating panadol night and anti allergy pills (Atarax). I have had this for about two weeks now. Please advise.
+
+### Response:
+"""
+
+print(answer_question(example_prompt))