Create app.py

app.py

@@ -0,0 +1,71 @@
+import os
+import streamlit as st
+from PyPDF2 import PdfReader
+import requests
+
+# Set up the Streamlit app
+st.title("Pakistani Constitution Q&A App")
+st.write("Upload the Pakistani Constitution PDF, explore sections, and ask questions.")
+
+# Upload PDF
+uploaded_file = st.file_uploader("Upload PDF", type=["pdf"])
+
+# Predefined sections of the Constitution
+sections = {
+    "Preamble": (0, 1),
+    "Fundamental Rights": (2, 10),
+    # Add more sections with their page ranges here
+}
+
+# Groq API configuration
+GROQ_API_KEY = os.getenv("GROQ_API_KEY")  # Read the API key from environment variables
+
+if not GROQ_API_KEY:
+    st.error("Groq API key not found. Please set the 'GROQ_API_KEY' environment variable in Hugging Face Spaces settings.")
+
+# Helper function to extract text from PDF
+def extract_text_from_pdf(pdf_file, start_page, end_page):
+    try:
+        reader = PdfReader(pdf_file)
+        text = ""
+        for page in range(start_page, end_page + 1):
+            text += reader.pages[page].extract_text()
+        return text.strip()
+    except Exception as e:
+        st.error(f"Error extracting text from PDF: {e}")
+        return ""
+
+# Section selection
+if uploaded_file:
+    st.success("PDF uploaded successfully.")
+    selected_section = st.selectbox("Select a Section", list(sections.keys()))
+
+    if selected_section:
+        start_page, end_page = sections[selected_section]
+        section_text = extract_text_from_pdf(uploaded_file, start_page, end_page)
+
+        if section_text:
+            st.text_area("Selected Section Text", section_text, height=300)
+
+            # Question input
+            question = st.text_input("Ask a question about this section:")
+
+            if question:
+                # Make API call to Groq
+                try:
+                    st.info("Querying Groq API...")
+                    response = requests.post(
+                        "https://api.groq.com/v1/ask",
+                        headers={"Authorization": f"Bearer {GROQ_API_KEY}"},
+                        json={"context": section_text, "question": question},
+                    )
+
+                    if response.status_code == 200:
+                        answer = response.json().get("answer", "No answer found.")
+                        st.success(f"Answer: {answer}")
+                    else:
+                        st.error(f"Error: {response.json().get('error', 'Unknown error occurred')}")
+                except Exception as e:
+                    st.error(f"API call failed: {e}")
+else:
+    st.warning("Please upload a PDF file to proceed.")