Add application file

app.py

@@ -0,0 +1,67 @@
+import gradio as gr
+from langchain_groq import ChatGroq
+from youtube_transcript_api import YouTubeTranscriptApi
+from langchain_core.prompts import ChatPromptTemplate
+from langchain_core.output_parsers import StrOutputParser
+import os
+
+def get_transcript(video_id):
+    def transcript_to_string(transcript):
+        transcript_text = '\n'.join([item['text'] for item in transcript])
+        return transcript_text
+
+    try:
+        transcripts = YouTubeTranscriptApi.list_transcripts(video_id)
+
+        for transcript in transcripts:
+            if transcript.is_translatable:
+                transcript = transcript.fetch()
+                return transcript_to_string(transcript)
+
+        transcript = transcripts.find_manually_created_transcript(['en', 'tr']).fetch()
+        return transcript_to_string(transcript)
+
+    except Exception as e:
+        return "Sorry, the video cannot be transcribed."
+
+
+def summarize_video(video_url, language):
+    video_id = video_url.split('v=')[-1].split('&')[0]
+    transcript = get_transcript(video_id)
+
+    model = ChatGroq(
+        model="llama-3.1-70b-versatile",
+        temperature=0,
+        max_tokens=None,
+        timeout=None,
+        max_retries=2,
+    )
+
+    system_template = """Below you will see a text. Read the text. First provide the major points that they discuss and then provide summaries for each major point. Your response should be in the language specified below. 
+    Transcript: {transcript}
+    Language: {language}"""
+
+    prompt_template = ChatPromptTemplate.from_messages(
+        [("system", system_template)]
+    )
+
+    parser = StrOutputParser()
+
+    chain = prompt_template | model | parser
+
+    response = chain.invoke({"transcript": transcript, "language": language})
+    return response
+
+
+iface = gr.Interface(
+    fn=summarize_video,
+    inputs=[
+        gr.Textbox(label="YouTube Video URL"),
+        gr.Textbox(label="Language for Summary")
+    ],
+    outputs="text",
+    title="YouTube Video Summarizer",
+    description="Enter a YouTube video URL and the desired language for the summary."
+)
+
+iface.launch()