Treat other people with helpfulness, gratitude, and consideration! See the Python Community Code of Conduct.Progressive Downloader is a powerful and flexible macOS application that provides the required tools to handle multiple downloads, search for mirrors and browse FTP and SFTP servers. This project is linted with pyflakes, formatted with black, and typed with mypy Code of Conduct ![]() Virtual environment is setup with pipenv and can be automatically activated with direnv Code Formatting To run code checking before a PR use make test Virtual environment For major changes, please open an issue first to discuss what you would like to change. ProvidedIf no resolution is provided, downloads theīest resolutionRuns the command line program ffmpeg to The output directory for the downloaded stream.ĭownload the audio for a given URL at the highestīitrate availableDefaults to mp4 format if none isĭownloads the audio and video stream for resolution PrintsĪvailable language codes if no argument given c, -caption-code ĭownload srt captions for given language code. v, -verbose Verbosity level, use up to 4 to increase logging -vvvv l, -list The list option causes pytube cli to return a list of itag ITAG The itag for the desired stream version show program's version number and exit ![]() h, -help show this help message and exit ] Ĭommand line application to download youtube videos. The complete set of flags are: usage: pytube3 To view available streams: $ pytube3 =9bZkp7q19f0 -list ![]() Let's start with downloading: $ pytube3 =9bZkp7q19f0 -itag = 18 Pytube3 ships with a simple CLI interface for downloading videos, playlists, and captions. register_on_progress_callback ( show_progress_bar ) Command-line interface Similarly, if your application requires on-download progress logic, pytube exposes a callback for this as well: > def show_progress_bar ( stream, chunk, file_handler, bytes_remaining ): return # do work > yt. register_on_complete_callback ( convert_to_aac ) If your application requires post-processing logic, pytube allows you to specify an "on download complete" callback function: > def convert_to_aac ( stream, file_handler ): return # do work > yt. Note: Using order_by on a given attribute will filter out all streams missing that attribute. If you need to optimize for a specific feature, such as the "highest resolution" or "lowest average bitrate": > yt. You also have an interface to select streams by their itag, without needing to filter: > yt. filter ( subtype = 'mp4', progressive = True ) > # this can also be expressed as: > yt. Multiple filters can also be specified: > yt. Pytube allows you to filter on every property available (see the documentation for the complete list), let's take a look at some of the most useful ones. This will download the highest progressive stream available (generally 720p) from the given playlist. You can also download a complete Youtube playlist: > from pytube import Playlist > playlist = Playlist ( "" ) > for video in playlist : > video. filter ( progressive = True ) Ĭonversely, if you only want to see the DASH streams (also referred to as "adaptive") you can do: > yt. To only view these progressive download streams: > yt. The legacy streams that contain the audio and video in a single file (referred to as "progressive download") are still available, but only for resolutions 720p and below. In the context of pytube, the implications are for the highest quality streams you now need to download both the audio and video tracks and then post-process them with software like FFmpeg to merge them. You may notice that some streams listed have both a video codec and audio codec, while others have just video or just audio, this is a result of YouTube supporting a streaming technique called Dynamic Adaptive Streaming over HTTP (DASH). Next, let's explore how we would view what video streams are available: > yt = YouTube ( '' ) > print ( yt. This example will download the highest quality progressive download stream available. Let's begin with showing how easy it is to download a video with pytube: > from pytube import YouTube > YouTube ( '' ).
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