adding app.py

app.py

@@ -0,0 +1,55 @@
+import validators,streamlit as st
+from langchain.prompts import PromptTemplate
+from langchain_groq import ChatGroq
+from langchain.chains.summarize import load_summarize_chain
+from langchain_community.document_loaders import YoutubeLoader,UnstructuredURLLoader
+
+
+# setting streamlit
+st.set_page_config(page_title="DEmo for summarization")
+st.title("Summarize it for me")
+
+# groq API
+#with st.sidebar:
+   # groq_api_key = st.text_input("Groq API Key",value="",type="password")
+groq_api_key = "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"
+my_url = st.text_input("URL")
+
+llm = ChatGroq(model="Gemma-7b-It", groq_api_key=groq_api_key )
+
+prompt_template="""
+summarize the following content in not more than 400 words:
+Content:{text}
+
+"""
+
+prompt=PromptTemplate(template=prompt_template,input_variables=["text"])
+
+if st.button("Summarize the Content from YT or Website"):
+    ## Validate all the inputs
+    if not groq_api_key.strip() or not my_url.strip():
+        st.error("Please provide the information to get started")
+    elif not validators.url(my_url):
+        st.error("Please enter a valid Url. It can may be a YT video utl or website url")
+
+    else:
+        try:
+            with st.spinner("Waiting..."):
+                ## loading the website or yt video data
+                if "youtube.com" in my_url:
+                    loader=YoutubeLoader.from_youtube_url(my_url,add_video_info=True)
+                else:
+                    loader=UnstructuredURLLoader(urls=[my_url],ssl_verify=False,
+                                                 headers={"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 13_5_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36"})
+                docs=loader.load()
+
+                ## Chain For Summarization
+                chain=load_summarize_chain(llm,chain_type="stuff",prompt=prompt)
+                output_summary=chain.run(docs)
+
+                st.success(output_summary)
+        except Exception as e:
+            st.exception(f"Exception:{e}")
+                    
+
+