aadnk's picture
Add support for multiple input files and output files
cb9ee50
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)