app7.py

import os
import streamlit as st
from openai import OpenAI
from dotenv import load_dotenv
from langchain_core.prompts import PromptTemplate

# Load environment variables
load_dotenv()
##openai_api_key = os.getenv("OPENAI_API_KEY")

# Initialize the client
client = OpenAI(
    base_url="https://api-inference.huggingface.co/v1",
    api_key=os.environ.get('TOKEN2')  # Add your Huggingface token here
)


# Initialize the OpenAI client
##client = OpenAI(
    ##base_url="https://api-inference.huggingface.co/v1",
    ##api_key=openai_api_key
##)

# Define reset function for the conversation
def reset_conversation():
    st.session_state.conversation = []
    st.session_state.messages = []

# Streamlit interface setup
st.title("🤖 Text Data Generation & Labeling App")
st.sidebar.title("Settings")

# Sidebar settings
selected_model = st.sidebar.selectbox("Select Model", ["meta-llama/Meta-Llama-3-8B-Instruct"])
temperature = st.sidebar.slider("Temperature", 0.0, 1.0, 0.5)
st.sidebar.button("Reset Conversation", on_click=reset_conversation)
st.sidebar.write(f"You're now chatting with **{selected_model}**")
st.sidebar.markdown("*Note: Generated content may be inaccurate or false.*")

# Initialize conversation state
if "messages" not in st.session_state:
    st.session_state.messages = []

# Display conversation
for message in st.session_state.messages:
    with st.chat_message(message["role"]):
        st.markdown(message["content"])

# Main logic: choose between Data Generation and Data Labeling
task_choice = st.selectbox("Choose Task", ["Data Generation", "Data Labeling"])

if task_choice == "Data Generation":
    classification_type = st.selectbox(
        "Choose Classification Type",
        ["Sentiment Analysis", "Binary Classification", "Multi-Class Classification"]
    )

    if classification_type == "Sentiment Analysis":
        labels = ["Positive", "Negative", "Neutral"]
    elif classification_type == "Binary Classification":
        label_1 = st.text_input("Enter first class")
        label_2 = st.text_input("Enter second class")
        labels = [label_1, label_2]
    else:  # Multi-Class Classification
        num_classes = st.slider("How many classes?", 3, 10, 3)
        labels = [st.text_input(f"Class {i+1}") for i in range(num_classes)]

    domain = st.selectbox("Choose Domain", ["Restaurant reviews", "E-commerce reviews", "Custom"])
    if domain == "Custom":
        domain = st.text_input("Specify custom domain")

    min_words = st.number_input("Minimum words per example", min_value=10, max_value=90, value=10)
    max_words = st.number_input("Maximum words per example", min_value=10, max_value=90, value=90)

    use_few_shot = st.radio("Use few-shot examples?", ["Yes", "No"])
    few_shot_examples = []
    if use_few_shot == "Yes":
        num_examples = st.slider("Number of few-shot examples", 1, 5, 1)
        for i in range(num_examples):
            content = st.text_area(f"Example {i+1} Content")
            label = st.selectbox(f"Example {i+1} Label", labels)
            few_shot_examples.append({"content": content, "label": label})

    num_to_generate = st.number_input("Number of examples to generate", 1, 100, 10)
    user_prompt = st.text_area("Enter additional instructions", "")

    # Construct the LangChain prompt
    prompt_template = PromptTemplate(
        input_variables=["classification_type", "domain", "num_examples", "min_words", "max_words", "labels", "user_prompt"],
        template=(
            "You are a professional {classification_type} expert tasked with generating examples for {domain}.\n"
            "Use the following parameters:\n"
            "- Number of examples: {num_examples}\n"
            "- Word range: {min_words}-{max_words}\n"
            "- Labels: {labels}\n"
            "{user_prompt}"
        )
    )
    system_prompt = prompt_template.format(
        classification_type=classification_type,
        domain=domain,
        num_examples=num_to_generate,
        min_words=min_words,
        max_words=max_words,
        labels=", ".join(labels),
        user_prompt=user_prompt
    )

    st.write("System Prompt:")
    st.code(system_prompt)

    if st.button("Generate Examples"):
        with st.spinner("Generating..."):
            st.session_state.messages.append({"role": "system", "content": system_prompt})
            try:
                stream = client.chat.completions.create(
                    model=selected_model,
                    messages=[{"role": "system", "content": system_prompt}],
                    temperature=temperature,
                    stream=True,
                    max_tokens=3000,
                )
                response = st.write_stream(stream)
                st.session_state.messages.append({"role": "assistant", "content": response})
            except Exception as e:
                st.error("An error occurred during generation.")
                st.error(f"Details: {e}")

elif task_choice == "Data Labeling":
    # Labeling logic
    labeling_type = st.selectbox(
        "Classification Type for Labeling",
        ["Sentiment Analysis", "Binary Classification", "Multi-Class Classification"]
    )

    if labeling_type == "Sentiment Analysis":
        labels = ["Positive", "Negative", "Neutral"]
    elif labeling_type == "Binary Classification":
        label_1 = st.text_input("First label for classification")
        label_2 = st.text_input("Second label for classification")
        labels = [label_1, label_2]
    else:  # Multi-Class Classification
        num_classes = st.slider("Number of labels", 3, 10, 3)
        labels = [st.text_input(f"Label {i+1}") for i in range(num_classes)]

    use_few_shot_labeling = st.radio("Add few-shot examples for labeling?", ["Yes", "No"])
    few_shot_labeling_examples = []
    if use_few_shot_labeling == "Yes":
        num_labeling_examples = st.slider("Number of few-shot labeling examples", 1, 5, 1)
        for i in range(num_labeling_examples):
            content = st.text_area(f"Labeling Example {i+1} Content")
            label = st.selectbox(f"Label for Example {i+1}", labels)
            few_shot_labeling_examples.append({"content": content, "label": label})

    text_to_classify = st.text_area("Enter text to classify")

    if st.button("Classify Text"):
        if text_to_classify:
            labeling_prompt = (
                f"You are an expert in {labeling_type.lower()} classification. Classify this text using: {', '.join(labels)}.\n\n"
            )
            if few_shot_labeling_examples:
                labeling_prompt += "Example classifications:\n"
                for ex in few_shot_labeling_examples:
                    labeling_prompt += f"Text: {ex['content']} - Label: {ex['label']}\n"
            labeling_prompt += f"\nClassify this: {text_to_classify}"

            with st.spinner("Classifying..."):
                st.session_state.messages.append({"role": "system", "content": labeling_prompt})
                try:
                    stream = client.chat.completions.create(
                        model=selected_model,
                        messages=[{"role": "system", "content": labeling_prompt}],
                        temperature=temperature,
                        stream=True,
                        max_tokens=3000,
                    )
                    labeling_response = st.write_stream(stream)
                    st.write("Label:", labeling_response)
                except Exception as e:
                    st.error("An error occurred during classification.")
                    st.error(f"Details: {e}")
        else:
            st.warning("Please enter text to classify.")