app.py

import streamlit as st
from langchain.llms import OpenAI
from langchain.prompts import PromptTemplate
from langchain import FewShotPromptTemplate
from langchain.prompts.example_selector import LengthBasedExampleSelector
from dotenv import load_dotenv

load_dotenv() # load the env-sample.txt file

def getLLMResponse(query, age_option,tasktype_option):
    examples = []
    llm = OpenAI(temperature=.9, model="gpt-3.5-turbo-instruct")

#    if age_option=="Kid": #Silly and Sweet Kid 
#
#        examples = [
#        {
#            "query": "What is a mobile?",
#            "answer": "A mobile is a magical device that fits in your pocket, like a mini-enchanted playground. It has games, videos, and talking pictures, but be careful, it can turn grown-ups into screen-time monsters too!"
#        }
#        ]
#    
#    elif age_option=="Adult":  #Curious and Intelligent adult 
#        examples = [
#        {
#            "query": "What is a mobile?",
#            "answer": "A mobile is a portable communication device, commonly known as a mobile phone or cell phone. It allows users to make calls, send messages, access the internet, and use various applications. Additionally, 'mobile' can also refer to a type of kinetic sculpture that hangs and moves in the air, often found in art installations or as decorative pieces."
#        }
#        ]
#
#    elif age_option=="Senior Citizen": #A 90 years old guys
#        examples = [
#        {
#            "query": "What is a mobile?",
#            "answer": "A mobile, also known as a cellphone or smartphone, is a portable device that allows you to make calls, send messages, take pictures, browse the internet, and do many other things. In the last 50 years, I have seen mobiles become smaller, more powerful, and capable of amazing things like video calls and accessing information instantly."
#        }
#        ]


    example_template = """
    Question: {query}
    Response: {answer}
    """

    example_prompt = PromptTemplate(
        input_variables=["query", "answer"],
        template=example_template
    )


    prefix = """You are a {template_ageoption}, and you are going to {template_tasktype_option} , 
    you give one answer for each query. it is strictly limited to 1 answer only, and the answer MUST be LESS THAN 200 words. 
    For a tweet, you SHOULD NOT give more than 150 words. If it is not to write for a tweet, DO NOT give a tweet suggestion in your answer.
    "Kid" just love games, and care only about instant messaging to their peer friends.
    "Adult" is tech savvy, and Intelligent, care about work and networking.
    "Senior Citizen" is like 90 years old guys, they care only about their families, and prefer products with simple operations.
    """

    suffix = """
    Question: {template_userInput}
    Response: """

    example_selector = LengthBasedExampleSelector(
        examples=examples,
        example_prompt=example_prompt,
        max_length = numberOfWords
    )


    new_prompt_template = FewShotPromptTemplate(
        example_selector=example_selector,  # use example_selector instead of examples
        example_prompt=example_prompt,
        prefix=prefix,
        suffix=suffix,
        input_variables=["template_userInput","template_ageoption","template_tasktype_option"],
        example_separator="\n"
    )

  
    print(new_prompt_template.format(template_userInput=query,template_ageoption=age_option,template_tasktype_option=tasktype_option))
    response=llm(new_prompt_template.format(template_userInput=query,template_ageoption=age_option,template_tasktype_option=tasktype_option))
    print(response)

    return response

#UI Starts here

st.set_page_config(page_title="Marketing Tool",
                    page_icon='✅',
                    layout='centered',
                    initial_sidebar_state='collapsed')
st.header("Hey, How can I help you?")

form_input = st.text_area('Enter text', height=100)

tasktype_option = st.selectbox(
    'Please select the action to be performed',
    ('Write a sales copy', 'Create a tweet', 'Write a product description'),key=1)

age_option= st.selectbox(
    'For which target age group?',
    ('Kid' ,'Adult', 'senior Citizen'),key=2)

# numberOfWords= st.slider('Words limit', 1, 200, 25)
numberOfWords = 40 # the model doesn't take this.

submit = st.button("Generate")

if submit:
    st.write(getLLMResponse(form_input,tasktype_option,age_option))