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from pytube import Playlist
import ffmpeg
import os
def make_alpha_numeric(string: str) -> str:
return "".join(char for char in string if char.isalnum())
class YouLoadPlayList:
"""A class for download and handling youtube playlists"""
DOWNLOAD_TYPES = ["default", "highest", "lowest", "mp3", "720p", "480p", "360p", "240p", "144p"]
DEFAULT_DOWNLOAD_TYPE = "default"
def __init__(self, link: str):
self.yt_playlist = Playlist(link)
self.video_count = len(self.yt_playlist.videos)
self.folder_name = make_alpha_numeric(self.yt_playlist.title)
self.download_type = self.DEFAULT_DOWNLOAD_TYPE
def generate_video_info(self, video_num: int) -> str:
"""Returns information on video in playlist at 'video_num'"""
video = self.yt_playlist.videos[video_num]
video_size = video.streams.get_highest_resolution().filesize // 1048576
return f"Title: {video.title}, Size: {video_size} MB"
def set_download_directory(self, directory: str) -> None:
"""Sets where the playlist folder will be downloaded"""
self.folder_name = os.path.join(directory, make_alpha_numeric(self.yt_playlist.title))
def prepare_for_download(self) -> None:
"""Gets the playlist ready for download. Creates the output folder and that stuff."""
os.mkdir(self.folder_name)
def download_video(self, video_num: int, use_prefix: bool) -> str:
"""Download video at 'video_num'"""
video = self.yt_playlist.videos[video_num]
# Create prefix.
filename_prefix = ""
if use_prefix:
filename_prefix = str(video_num + 1) + " "
# Download this fucker.
if self.download_type == "default":
# video.streams.first().download(output_path=self.folder_name, filename_prefix=filename_prefix)
elif self.download_type == "highest":
video.streams.get_highest_resolution().download(output_path=self.folder_name, filename_prefix=filename_prefix)
elif self.download_type == "lowest":
video.streams.get_lowest_resolution().download(output_path=self.folder_name, filename_prefix=filename_prefix)
elif self.download_type == "mp3":
file_path = video.streams.first().download(output_path=self.folder_name, filename_prefix=filename_prefix)
# To mp3.
file_path_mp3 = file_path[:-4] + ".mp3"
ffmpeg.input(file_path).output(file_path_mp3).run()
# Remove mp4 file.
os.remove(file_path)
else:
video.streams.get_by_resolution(self.download_type).download(output_path=self.folder_name, filename_prefix=filename_prefix)
return f"Title: {video.title}"
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