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c760308
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Parent(s):
c3d6b94
Update main.py
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main.py
CHANGED
@@ -4,62 +4,210 @@ from fastapi.responses import FileResponse, HTMLResponse
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import os
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import io
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from googletrans import Translator
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translator = Translator()
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lan = googletrans.LANGUAGES
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keys = list(lan.keys())
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vals = list(lan.values())
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#from gradio_client import Client
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#client = Client("physician-ai/speech-to-text")
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#print(client.view_api())
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app = FastAPI()
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#with open(file_path, "wb") as f:
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#f.write(file.file.read())
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#print("saved")
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#respond = client.predict(file_path,api_name="/get_stt")
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#print(respond.result())
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#return respond
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print(model_names)
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global xtts
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xtts = TTS(m, gpu=True)
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#tts.to("cpu") # no GPU or Amd
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xtts.to("cuda")
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else:
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import os
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import io
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import torch
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from auto_gptq import AutoGPTQForCausalLM
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from langchain import HuggingFacePipeline, PromptTemplate
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from langchain.chains import RetrievalQA
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from langchain.document_loaders import PyPDFDirectoryLoader
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from langchain.embeddings import HuggingFaceInstructEmbeddings
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain.vectorstores import Chroma
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from langchain.vectorstores import FAISS
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from transformers import AutoTokenizer, TextStreamer, pipeline
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DEVICE = "cuda:0" if torch.cuda.is_available() else "cpu"
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embeddings = HuggingFaceInstructEmbeddings(
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model_name="hkunlp/instructor-large", model_kwargs={"device": DEVICE}
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)
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new_db = FAISS.load_local("faiss_index", embeddings)
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model_name_or_path = "TheBloke/Llama-2-13B-chat-GPTQ"
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model_basename = "model"
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tokenizer = AutoTokenizer.from_pretrained(model_name_or_path, use_fast=True)
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model = AutoGPTQForCausalLM.from_quantized(
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model_name_or_path,
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revision="gptq-4bit-128g-actorder_True",
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model_basename=model_basename,
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use_safetensors=True,
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trust_remote_code=True,
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device=DEVICE,
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inject_fused_attention=False,
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quantize_config=None,
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)
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#default promts it will work when we don't set the our custom system propts
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DEFAULT_SYSTEM_PROMPT = """
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You are a helpful, respectful and honest assistant. give answer for any questions.
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""".strip()
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def generate_prompt(prompt: str, system_prompt: str = DEFAULT_SYSTEM_PROMPT) -> str:
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return f"""
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[INST] <<SYS>>
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{system_prompt}
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<</SYS>>
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{prompt} [/INST]
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""".strip()
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# setting the RAG pipeline
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streamer = TextStreamer(tokenizer, skip_prompt=True, skip_special_tokens=True)
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text_pipeline = pipeline(
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"text-generation",
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model=model,
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tokenizer=tokenizer,
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max_new_tokens=4096,
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temperature=2,
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top_p=0.95,
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repetition_penalty=1.15,
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streamer=streamer,
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)
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global llm,llm2
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llm = HuggingFacePipeline(pipeline=text_pipeline, model_kwargs={"temperature": 2})
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llm2 = HuggingFacePipeline(pipeline=text_pipeline, model_kwargs={"temperature": 2})
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# when the user query is not related to trained PDF data model will give the response from own knowledge
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SYSTEM_PROMPT = "give answer from external data's. don't use the provided context"
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template = generate_prompt(
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"""
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{context}
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Question: {question}
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""",
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system_prompt=SYSTEM_PROMPT,
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)
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prompt = PromptTemplate(template=template, input_variables=["context", "question"])
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global qa_chain,qa_chain_a
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qa_chain = RetrievalQA.from_chain_type(
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llm=llm,
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chain_type="stuff",
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retriever=new_db.as_retriever(search_kwargs={"k": 2}),
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return_source_documents=True,
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chain_type_kwargs={"prompt": prompt},
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)
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qa_chain_a = RetrievalQA.from_chain_type(
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llm=llm2,
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chain_type="stuff",
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retriever=new_db.as_retriever(search_kwargs={"k": 2}),
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return_source_documents=True,
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chain_type_kwargs={"prompt": prompt},
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)
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report_prompt_template = """
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this is report format
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Patient Name: [Insert name here]<br>
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Age: [Insert age here]<br>
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sex: [Insert here]<br>
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Chief Complaint: [insert here]<br>
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History of Present Illness:[insert here]<br>
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Past Medical History: [insert here]<br>
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Medication List: [insert here]<br>
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Social History: [insert here]<br>
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Family History: [insert here]<br>
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Review of Systems: [insert here]<br>
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ICD Code: [insert here]
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convert this bellow details into above format don't add any other details .don't use the provided pdfs data's.\n\n"""
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# 4. prompt sets for ask some defined questions and its will guide the model correct way
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final_question ={
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8:"Do you have a history of medical conditions, such as allergies, chronic illnesses, or previous surgeries? If so, please provide details.",
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9:"What medications are you currently taking, including supplements and vitamins?",
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10:"Can you please Describe Family medical history (particularly close relatives): Does anyone in your immediate family suffer from similar symptoms or health issues?",
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11:"Can you please Describe Social history: Marital status, occupation, living arrangements, education level, and support system.",
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12:"Could you describe your symptoms, and have you noticed any changes or discomfort related to your respiratory, cardiovascular, gastrointestinal, or other body systems?"
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}
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# 1 . basic first prompt for handled the llama in correct like a family physician
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sys = "You are a general family physician.\n\n"
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# 5 . prommpts for get the diagnosis with ICD code based on the conversation, its will handle unrelated questions also(not related to diagnosis)
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end_sys_prompts = "\n\ngive correct treatment and most related diagnosis with ICD code don't ask any questions. if question is not related to provided data don't give answer from this provided data's"
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def refresh_model():
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global llm,llm2
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llm = HuggingFacePipeline(pipeline=text_pipeline, model_kwargs={"temperature": 2})
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llm2 = HuggingFacePipeline(pipeline=text_pipeline, model_kwargs={"temperature": 2})
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global qa_chain,qa_chain_a
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qa_chain = RetrievalQA.from_chain_type(
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llm=llm,
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chain_type="stuff",
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retriever=new_db.as_retriever(search_kwargs={"k": 2}),
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return_source_documents=True,
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chain_type_kwargs={"prompt": prompt},
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)
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qa_chain_a = RetrievalQA.from_chain_type(
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llm=llm2,
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chain_type="stuff",
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retriever=new_db.as_retriever(search_kwargs={"k": 2}),
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return_source_documents=True,
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chain_type_kwargs={"prompt": prompt},
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)
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print("model refreshed")
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app = FastAPI()
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@app.post("/llm_response/")
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async def llm_response(chain,id,mode):
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id = int(id)
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global qa_chain,qa_chain_a
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refresh_model()
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if id<13:
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if id>=8:
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return final_question[id]
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else:
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if id<5:
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# 2 . prompmt control the natural way on question asking based on patient response,symptomps type
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question = qa_chain(sys+chain +"""\n\nask single small queston to get details based on the patient response,and don't ask
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same question again, and don't provide treatment and diagnosis ask next small and short question ,
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always don't ask same question again and again , always only ask next single small question""")
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else:
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# 3. prompt will guide the model to ask yes or no questions based on patient response,symptomps type
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question = qa_chain(sys+chain +"""\n\nask single small queston to get details based on the patient response,and don't ask
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same question again, and don't provide treatment and diagnosis ask next small and short question with yes or no format ,
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always don't ask same question again and again , always only ask next single small question""")
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try:
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if "Patient:" in str(question['result']) or "Patient response:" in str(question['result']):
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return str((str(question['result']).split("\n\n")[-1]).split(":")[-1])
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else:
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return str(question['result']).split("\n\n")[1]
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except:
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if "Patient:" in str(question['result']) or "Patient response:" in str(question['result']):
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return str(question['result']).split(":")[-1]
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else:
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return str(question['result'])
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if id==16:
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diagnosis_and_treatment = qa_chain(sys+chain+end_sys_prompts)
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diagnosis_and_treatment = str(diagnosis_and_treatment['result'])
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if mode!="h&p":
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return diagnosis_and_treatment
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else:
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report = qa_chain_a(report_prompt_template+sys+chain+"\n\ntreatment & diagnosis with ICD code below\n"+diagnosis_and_treatment)
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return str(report['result'])
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result_ex = qa_chain(sys+chain+"""\n\n\nalways give small and single response based on the patient
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response. don't give multiline response always give response based on last patient response""")
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if "Patient:" in str(result_ex['result']) or "Patient response:" in str(result_ex['result']) or "Patient Response" in str(result_ex['result']):
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return str((str(result_ex['result']).split("\n\n")[-1]).split(":")[-1])
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else:
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return str(result_ex['result']).split("\n\n")[1]
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