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bulk-downloader-for-reddit/bulkredditdownloader/site_downloaders/vreddit.py
2021-04-18 16:43:15 +03:00

65 lines
2.3 KiB
Python

#!/usr/bin/env python3
import logging
import os
import pathlib
import subprocess
from bulkredditdownloader.site_downloaders.base_downloader import BaseDownloader
from bulkredditdownloader.utils import GLOBAL
logger = logging.getLogger(__name__)
class VReddit(BaseDownloader):
def __init__(self, directory: pathlib.Path, post: dict):
super().__init__(directory, post)
self.download()
def download(self):
extension = ".mp4"
self.directory.mkdir(exist_ok=True)
filename = GLOBAL.config['filename'].format(**self.post) + extension
try:
fnull = open(os.devnull, 'w')
subprocess.call("ffmpeg", stdout=fnull, stderr=subprocess.STDOUT)
except Exception:
self._download_resource(filename, self.directory, self.post['CONTENTURL'])
logger.info("FFMPEG library not found, skipping merging video and audio")
else:
video_name = self.post['POSTID'] + "_video"
video_url = self.post['CONTENTURL']
audio_name = self.post['POSTID'] + "_audio"
audio_url = video_url[:video_url.rfind('/')] + '/DASH_audio.mp4'
logger.info(self.directory, filename, sep="\n")
self._download_resource(video_name, self.directory, video_url, silent=True)
self._download_resource(audio_name, self.directory, audio_url, silent=True)
try:
self._merge_audio(video_name, audio_name, filename, self.directory)
except KeyboardInterrupt:
(self.directory / filename).unlink()
(self.directory / audio_name).unlink()
(self.directory / video_name).unlink()
(self.directory / filename).unlink()
@staticmethod
def _merge_audio(
video: pathlib.Path,
audio: pathlib.Path,
filename: pathlib.Path,
directory: pathlib.Path):
input_video = str(directory / video)
input_audio = str(directory / audio)
fnull = open(os.devnull, 'w')
cmd = "ffmpeg -i {} -i {} -c:v copy -c:a aac -strict experimental {}".format(
input_audio, input_video, str(directory / filename))
subprocess.call(cmd.split(), stdout=fnull, stderr=subprocess.STDOUT)
(directory / video).unlink()
(directory / audio).unlink()