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eaglelandsonce
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e84a43c
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Parent(s):
37d3b4e
Update app.py
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app.py
CHANGED
@@ -3,6 +3,110 @@ import requests
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import json
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import os
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import pandas as pd
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# Assuming the environment variables are already set, we directly use them.
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# However, in a Streamlit app, you might want to set them up within the script for demonstration purposes
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@@ -84,3 +188,5 @@ if st.button("Query Vectara"):
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st.write("No results found.")
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# Note: The integration of the model for HHEM scores is omitted as it requires the specific model details and implementation.
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import json
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import os
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import pandas as pd
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from sentence_transformers import CrossEncoder
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import numpy as np
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# Initialize the HHEM model
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model = CrossEncoder('vectara/hallucination_evaluation_model')
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# Function to compute HHEM scores
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def compute_hhem_scores(texts, summary):
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pairs = [[text, summary] for text in texts]
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scores = model.predict(pairs)
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return scores
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# Define the Vectara query function
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def vectara_query(query: str, config: dict):
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corpus_key = [{
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"customerId": config["customer_id"],
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"corpusId": config["corpus_id"],
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"lexicalInterpolationConfig": {"lambda": config.get("lambda_val", 0.5)},
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}]
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data = {
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"query": [{
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"query": query,
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"start": 0,
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"numResults": config.get("top_k", 10),
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"contextConfig": {
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"sentencesBefore": 2,
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"sentencesAfter": 2,
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},
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"corpusKey": corpus_key,
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"summary": [{
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"responseLang": "eng",
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"maxSummarizedResults": 5,
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}]
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}]
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}
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headers = {
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"x-api-key": config["api_key"],
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"customer-id": config["customer_id"],
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"Content-Type": "application/json",
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}
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response = requests.post(
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headers=headers,
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url="https://api.vectara.io/v1/query",
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data=json.dumps(data),
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)
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if response.status_code != 200:
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st.error(f"Query failed (code {response.status_code}, reason {response.reason}, details {response.text})")
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return [], ""
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result = response.json()
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responses = result["responseSet"][0]["response"]
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summary = result["responseSet"][0]["summary"][0]["text"]
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res = [[r['text'], r['score']] for r in responses]
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return res, summary
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# Streamlit UI setup
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st.title("Vectara Content Query Interface")
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# User inputs
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query = st.text_input("Enter your query here", "")
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lambda_val = st.slider("Lambda Value", min_value=0.0, max_value=1.0, value=0.5)
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top_k = st.number_input("Top K Results", min_value=1, max_value=50, value=10)
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if st.button("Query Vectara"):
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config = {
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"api_key": os.environ.get("VECTARA_API_KEY", ""),
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"customer_id": os.environ.get("VECTARA_CUSTOMER_ID", ""),
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"corpus_id": os.environ.get("VECTARA_CORPUS_ID", ""),
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"lambda_val": lambda_val,
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"top_k": top_k,
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}
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results, summary = vectara_query(query, config)
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if results:
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st.subheader("Summary")
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st.write(summary)
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st.subheader("Top Results")
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# Extract texts from results
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texts = [r[0] for r in results[:5]]
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# Compute HHEM scores
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scores = compute_hhem_scores(texts, summary)
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# Prepare and display the dataframe
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df = pd.DataFrame({'Fact': texts, 'HHEM Score': scores})
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st.dataframe(df)
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else:
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st.write("No results found.")
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"""
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import streamlit as st
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import requests
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import json
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import os
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import pandas as pd
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# Assuming the environment variables are already set, we directly use them.
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# However, in a Streamlit app, you might want to set them up within the script for demonstration purposes
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st.write("No results found.")
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# Note: The integration of the model for HHEM scores is omitted as it requires the specific model details and implementation.
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"""
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