| from smolagents import Tool | |
| from youtube_transcript_api import YouTubeTranscriptApi | |
| class YouTubeTranscriptionTool(Tool): | |
| """ | |
| Tool to fetch the transcript of a YouTube video given its URL. | |
| Args: | |
| video_url (str): YouTube video URL. | |
| Returns: | |
| str: Transcript of the video as a single string. | |
| """ | |
| name = "youtube_transcription" | |
| description = "Fetches the transcript of a YouTube video given its URL" | |
| inputs = { | |
| "video_url": {"type": "string", "description": "YouTube video URL"}, | |
| } | |
| output_type = "string" | |
| def forward(self, video_url: str) -> str: | |
| video_id = video_url.strip().split("v=")[-1] | |
| transcript = YouTubeTranscriptApi.get_transcript(video_id) | |
| return " ".join([entry["text"] for entry in transcript]) | |