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| from tempfile import mkdtemp | |
| from typing import List | |
| from yt_dlp import YoutubeDL | |
| import yt_dlp | |
| from yt_dlp.postprocessor import PostProcessor | |
| class FilenameCollectorPP(PostProcessor): | |
| def __init__(self): | |
| super(FilenameCollectorPP, self).__init__(None) | |
| self.filenames = [] | |
| def run(self, information): | |
| self.filenames.append(information["filepath"]) | |
| return [], information | |
| def download_url(url: str, maxDuration: int = None, destinationDirectory: str = None, playlistItems: str = "1") -> List[str]: | |
| try: | |
| return _perform_download(url, maxDuration=maxDuration, outputTemplate=None, destinationDirectory=destinationDirectory, playlistItems=playlistItems) | |
| except yt_dlp.utils.DownloadError as e: | |
| # In case of an OS error, try again with a different output template | |
| if e.msg and e.msg.find("[Errno 36] File name too long") >= 0: | |
| return _perform_download(url, maxDuration=maxDuration, outputTemplate="%(title).10s %(id)s.%(ext)s") | |
| pass | |
| def _perform_download(url: str, maxDuration: int = None, outputTemplate: str = None, destinationDirectory: str = None, playlistItems: str = "1"): | |
| # Create a temporary directory to store the downloaded files | |
| if destinationDirectory is None: | |
| destinationDirectory = mkdtemp() | |
| ydl_opts = { | |
| "format": "bestaudio/best", | |
| 'paths': { | |
| 'home': destinationDirectory | |
| } | |
| } | |
| if (playlistItems): | |
| ydl_opts['playlist_items'] = playlistItems | |
| # Add output template if specified | |
| if outputTemplate: | |
| ydl_opts['outtmpl'] = outputTemplate | |
| filename_collector = FilenameCollectorPP() | |
| with YoutubeDL(ydl_opts) as ydl: | |
| if maxDuration and maxDuration > 0: | |
| info = ydl.extract_info(url, download=False) | |
| entries = "entries" in info and info["entries"] or [info] | |
| total_duration = 0 | |
| # Compute total duration | |
| for entry in entries: | |
| total_duration += float(entry["duration"]) | |
| if total_duration >= maxDuration: | |
| raise ExceededMaximumDuration(videoDuration=total_duration, maxDuration=maxDuration, message="Video is too long") | |
| ydl.add_post_processor(filename_collector) | |
| ydl.download([url]) | |
| if len(filename_collector.filenames) <= 0: | |
| raise Exception("Cannot download " + url) | |
| result = [] | |
| for filename in filename_collector.filenames: | |
| result.append(filename) | |
| print("Downloaded " + filename) | |
| return result | |
| class ExceededMaximumDuration(Exception): | |
| def __init__(self, videoDuration, maxDuration, message): | |
| self.videoDuration = videoDuration | |
| self.maxDuration = maxDuration | |
| super().__init__(message) |