| import streamlit as st | |
| import requests | |
| st.set_page_config(page_title="WikiTrail", layout="wide") | |
| st.markdown("<h1 style='text-align: center;'>📚 WikiTrail</h1>", unsafe_allow_html=True) | |
| st.markdown("<p style='text-align: center;'>Explore Wikipedia topics visually and get a summarized journey.</p>", unsafe_allow_html=True) | |
| topic = st.text_input("Enter a topic", placeholder="e.g., India") | |
| def fetch_topic_summary(topic): | |
| url = f"https://en.wikipedia.org/api/rest_v1/page/summary/{topic}" | |
| res = requests.get(url) | |
| if res.status_code == 200: | |
| data = res.json() | |
| return { | |
| "title": data.get("title", ""), | |
| "summary": data.get("extract", ""), | |
| "image": data.get("thumbnail", {}).get("source"), | |
| "link": data.get("content_urls", {}).get("desktop", {}).get("page") | |
| } | |
| return None | |
| def fetch_related_topics(topic): | |
| url = f"https://en.wikipedia.org/w/api.php?action=query&format=json&origin=*&titles={topic}&prop=links&pllimit=5" | |
| res = requests.get(url) | |
| if res.status_code == 200: | |
| data = res.json() | |
| pages = list(data['query']['pages'].values()) | |
| if pages and 'links' in pages[0]: | |
| return [link['title'] for link in pages[0]['links']] | |
| return [] | |
| def simple_summary(all_summaries, limit=3): | |
| full_text = ' '.join(all_summaries) | |
| sentences = full_text.split('. ') | |
| return '. '.join(sentences[:limit]) + '.' | |
| if topic: | |
| with st.spinner("🔍 Searching Wikipedia..."): | |
| summaries = [] | |
| st.subheader("🔷 Main Topic") | |
| main = fetch_topic_summary(topic) | |
| if main: | |
| summaries.append(main["summary"]) | |
| st.markdown(f"### {main['title']}") | |
| if main["image"]: | |
| st.image(main["image"], width=300) | |
| st.write(main["summary"]) | |
| st.markdown(f"[Read More →]({main['link']})", unsafe_allow_html=True) | |
| else: | |
| st.warning("Couldn't fetch data for the main topic.") | |
| st.subheader("🔗 Related Topics") | |
| related = fetch_related_topics(topic) | |
| if related: | |
| for rel in related: | |
| data = fetch_topic_summary(rel) | |
| if data: | |
| summaries.append(data["summary"]) | |
| with st.expander(data["title"]): | |
| if data["image"]: | |
| st.image(data["image"], width=200) | |
| st.write(data["summary"]) | |
| st.markdown(f"[Read More →]({data['link']})", unsafe_allow_html=True) | |
| else: | |
| st.info("No related topics found.") | |
| st.subheader("🧠 Combined Summary") | |
| st.success(simple_summary(summaries)) | |