mirror of
https://github.com/chibicitiberiu/ytsm.git
synced 2024-02-24 05:43:31 +00:00
Improved notification system.
This commit is contained in:
@@ -1,39 +1,46 @@
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import logging
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import os
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from YtManagerApp import scheduler
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from YtManagerApp.models import Video
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log = logging.getLogger('video_downloader')
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from YtManagerApp.scheduler import Job, scheduler
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def delete_video(video: Video):
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log.info('Deleting video %d [%s %s]', video.id, video.video_id, video.name)
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count = 0
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class DeleteVideoJob(Job):
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name = "DeleteVideoJob"
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try:
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for file in video.get_files():
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log.info("Deleting file %s", file)
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count += 1
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try:
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os.unlink(file)
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except OSError as e:
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log.error("Failed to delete file %s: Error: %s", file, e)
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def __init__(self, job_execution, video: Video):
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super().__init__(job_execution)
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self._video = video
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except OSError as e:
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log.error("Failed to delete video %d [%s %s]. Error: %s", video.id, video.video_id, video.name, e)
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def get_description(self):
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return f"Deleting video {self._video}"
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video.downloaded_path = None
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video.save()
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def run(self):
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count = 0
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log.info('Deleted video %d successfully! (%d files) [%s %s]', video.id, count, video.video_id, video.name)
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try:
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for file in self._video.get_files():
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self.log.info("Deleting file %s", file)
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count += 1
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try:
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os.unlink(file)
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except OSError as e:
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self.log.error("Failed to delete file %s: Error: %s", file, e)
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except OSError as e:
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self.log.error("Failed to delete video %d [%s %s]. Error: %s", self._video.id,
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self._video.video_id, self._video.name, e)
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def schedule_delete_video(video: Video):
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"""
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Schedules a download video job to run immediately.
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:param video:
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:return:
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"""
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job = scheduler.scheduler.add_job(delete_video, args=[video])
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log.info('Scheduled delete video job video=(%s), job=%s', video, job.id)
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self._video.downloaded_path = None
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self._video.save()
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self.log.info('Deleted video %d successfully! (%d files) [%s %s]', self._video.id, count,
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self._video.video_id, self._video.name)
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@staticmethod
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def schedule(video: Video):
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"""
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Schedules a delete video job to run immediately.
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:param video:
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:return:
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"""
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scheduler.add_job(DeleteVideoJob, args=[video])
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@@ -1,4 +1,3 @@
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import logging
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import os
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import re
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from string import Template
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@@ -6,128 +5,129 @@ from threading import Lock
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import youtube_dl
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from YtManagerApp import scheduler
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from YtManagerApp.models import Video
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log = logging.getLogger('video_downloader')
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log_youtube_dl = log.getChild('youtube_dl')
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_lock = Lock()
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from YtManagerApp.scheduler import Job, scheduler
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def __get_valid_path(path):
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"""
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Normalizes string, converts to lowercase, removes non-alpha characters,
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and converts spaces to hyphens.
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"""
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import unicodedata
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value = unicodedata.normalize('NFKD', path).encode('ascii', 'ignore').decode('ascii')
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value = re.sub('[:"*]', '', value).strip()
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value = re.sub('[?<>|]', '#', value)
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return value
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class DownloadVideoJob(Job):
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name = "DownloadVideoJob"
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__lock = Lock()
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def __init__(self, job_execution, video: Video, attempt: int = 1):
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super().__init__(job_execution)
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self.__video = video
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self.__attempt = attempt
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self.__log_youtube_dl = self.log.getChild('youtube_dl')
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def __build_template_dict(video: Video):
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return {
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'channel': video.subscription.channel_name,
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'channel_id': video.subscription.channel_id,
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'playlist': video.subscription.name,
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'playlist_id': video.subscription.playlist_id,
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'playlist_index': "{:03d}".format(1 + video.playlist_index),
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'title': video.name,
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'id': video.video_id,
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}
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def get_description(self):
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ret = "Downloading video " + self.__video.name
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if self.__attempt > 1:
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ret += f" (attempt {self.__attempt})"
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return ret
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def run(self):
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# Issue: if multiple videos are downloaded at the same time, a race condition appears in the mkdirs() call that
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# youtube-dl makes, which causes it to fail with the error 'Cannot create folder - file already exists'.
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# For now, allow a single download instance.
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self.__lock.acquire()
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def __build_youtube_dl_params(video: Video):
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try:
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user = self.__video.subscription.user
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max_attempts = user.preferences['max_download_attempts']
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sub = video.subscription
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user = sub.user
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youtube_dl_params, output_path = self.__build_youtube_dl_params(self.__video)
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with youtube_dl.YoutubeDL(youtube_dl_params) as yt:
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ret = yt.download(["https://www.youtube.com/watch?v=" + self.__video.video_id])
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# resolve path
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download_path = user.preferences['download_path']
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self.log.info('Download finished with code %d', ret)
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template_dict = __build_template_dict(video)
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output_pattern = Template(user.preferences['download_file_pattern']).safe_substitute(template_dict)
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if ret == 0:
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self.__video.downloaded_path = output_path
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self.__video.save()
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self.log.info('Video %d [%s %s] downloaded successfully!', self.__video.id, self.__video.video_id, self.__video.name)
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output_path = os.path.join(download_path, output_pattern)
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output_path = os.path.normpath(output_path)
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elif self.__attempt <= max_attempts:
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self.log.warning('Re-enqueueing video (attempt %d/%d)', self.__attempt, max_attempts)
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DownloadVideoJob.schedule(self.__video, self.__attempt + 1)
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youtube_dl_params = {
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'logger': log_youtube_dl,
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'format': user.preferences['download_format'],
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'outtmpl': output_path,
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'writethumbnail': True,
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'writedescription': True,
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'writesubtitles': user.preferences['download_subtitles'],
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'writeautomaticsub': user.preferences['download_autogenerated_subtitles'],
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'allsubtitles': user.preferences['download_subtitles_all'],
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'postprocessors': [
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{
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'key': 'FFmpegMetadata'
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},
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]
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}
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else:
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self.log.error('Multiple attempts to download video %d [%s %s] failed!', self.__video.id, self.__video.video_id,
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self.__video.name)
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self.__video.downloaded_path = ''
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self.__video.save()
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sub_langs = user.preferences['download_subtitles_langs'].split(',')
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sub_langs = [i.strip() for i in sub_langs]
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if len(sub_langs) > 0:
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youtube_dl_params['subtitleslangs'] = sub_langs
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finally:
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self.__lock.release()
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sub_format = user.preferences['download_subtitles_format']
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if len(sub_format) > 0:
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youtube_dl_params['subtitlesformat'] = sub_format
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def __build_youtube_dl_params(self, video: Video):
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return youtube_dl_params, output_path
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sub = video.subscription
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user = sub.user
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# resolve path
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download_path = user.preferences['download_path']
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def download_video(video: Video, attempt: int = 1):
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template_dict = self.__build_template_dict(video)
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output_pattern = Template(user.preferences['download_file_pattern']).safe_substitute(template_dict)
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user = video.subscription.user
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output_path = os.path.join(download_path, output_pattern)
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output_path = os.path.normpath(output_path)
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log.info('Downloading video %d [%s %s]', video.id, video.video_id, video.name)
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youtube_dl_params = {
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'logger': self.__log_youtube_dl,
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'format': user.preferences['download_format'],
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'outtmpl': output_path,
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'writethumbnail': True,
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'writedescription': True,
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'writesubtitles': user.preferences['download_subtitles'],
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'writeautomaticsub': user.preferences['download_autogenerated_subtitles'],
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'allsubtitles': user.preferences['download_subtitles_all'],
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'postprocessors': [
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{
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'key': 'FFmpegMetadata'
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},
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]
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}
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# Issue: if multiple videos are downloaded at the same time, a race condition appears in the mkdirs() call that
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# youtube-dl makes, which causes it to fail with the error 'Cannot create folder - file already exists'.
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# For now, allow a single download instance.
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_lock.acquire()
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sub_langs = user.preferences['download_subtitles_langs'].split(',')
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sub_langs = [i.strip() for i in sub_langs]
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if len(sub_langs) > 0:
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youtube_dl_params['subtitleslangs'] = sub_langs
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try:
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max_attempts = user.preferences['max_download_attempts']
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sub_format = user.preferences['download_subtitles_format']
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if len(sub_format) > 0:
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youtube_dl_params['subtitlesformat'] = sub_format
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youtube_dl_params, output_path = __build_youtube_dl_params(video)
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with youtube_dl.YoutubeDL(youtube_dl_params) as yt:
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ret = yt.download(["https://www.youtube.com/watch?v=" + video.video_id])
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return youtube_dl_params, output_path
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log.info('Download finished with code %d', ret)
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def __build_template_dict(self, video: Video):
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return {
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'channel': video.subscription.channel_name,
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'channel_id': video.subscription.channel_id,
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'playlist': video.subscription.name,
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'playlist_id': video.subscription.playlist_id,
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'playlist_index': "{:03d}".format(1 + video.playlist_index),
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'title': video.name,
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'id': video.video_id,
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}
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if ret == 0:
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video.downloaded_path = output_path
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video.save()
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log.info('Video %d [%s %s] downloaded successfully!', video.id, video.video_id, video.name)
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def __get_valid_path(self, path):
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"""
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Normalizes string, converts to lowercase, removes non-alpha characters,
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and converts spaces to hyphens.
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"""
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import unicodedata
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value = unicodedata.normalize('NFKD', path).encode('ascii', 'ignore').decode('ascii')
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value = re.sub('[:"*]', '', value).strip()
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value = re.sub('[?<>|]', '#', value)
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return value
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elif attempt <= max_attempts:
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log.warning('Re-enqueueing video (attempt %d/%d)', attempt, max_attempts)
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__schedule_download_video(video, attempt + 1)
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else:
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log.error('Multiple attempts to download video %d [%s %s] failed!', video.id, video.video_id, video.name)
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video.downloaded_path = ''
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video.save()
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finally:
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_lock.release()
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def __schedule_download_video(video: Video, attempt=1):
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job = scheduler.scheduler.add_job(download_video, args=[video, attempt])
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log.info('Scheduled download video job video=(%s), attempt=%d, job=%s', video, attempt, job.id)
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def schedule_download_video(video: Video):
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"""
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Schedules a download video job to run immediately.
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:param video:
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:return:
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"""
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__schedule_download_video(video)
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@staticmethod
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def schedule(video: Video, attempt: int = 1):
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"""
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Schedules to download video immediately
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:param video:
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:param attempt:
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:return:
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"""
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scheduler.add_job(DownloadVideoJob, args=[video, attempt])
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@@ -1,211 +1,177 @@
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import errno
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import mimetypes
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import itertools
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from threading import Lock
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from apscheduler.triggers.cron import CronTrigger
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from YtManagerApp.management.notification_manager import OPERATION_ID_SYNCHRONIZE
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from YtManagerApp.scheduler import scheduler
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from YtManagerApp.management.appconfig import appconfig
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from YtManagerApp.management.downloader import fetch_thumbnail, downloader_process_all, downloader_process_subscription
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from YtManagerApp.management.downloader import fetch_thumbnail, downloader_process_subscription
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from YtManagerApp.models import *
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from YtManagerApp.scheduler import scheduler, Job
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from YtManagerApp.utils import youtube
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from YtManagerApp.management import notification_manager
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log = logging.getLogger('sync')
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__lock = Lock()
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from external.pytaw.pytaw.utils import iterate_chunks
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_ENABLE_UPDATE_STATS = True
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def __check_new_videos_sub(subscription: Subscription, yt_api: youtube.YoutubeAPI, progress_callback=None):
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# Get list of videos
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for item in yt_api.playlist_items(subscription.playlist_id):
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results = Video.objects.filter(video_id=item.resource_video_id, subscription=subscription)
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if len(results) == 0:
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log.info('New video for subscription %s: %s %s"', subscription, item.resource_video_id, item.title)
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Video.create(item, subscription)
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class SynchronizeJob(Job):
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name = "SynchronizeJob"
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__lock = Lock()
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running = False
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__global_sync_job = None
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if _ENABLE_UPDATE_STATS:
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all_vids = Video.objects.filter(subscription=subscription)
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all_vids_ids = [video.video_id for video in all_vids]
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all_vids_dict = {v.video_id: v for v in all_vids}
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def __init__(self, job_execution, subscription: Optional[Subscription] = None):
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super().__init__(job_execution)
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self.__subscription = subscription
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self.__api = youtube.YoutubeAPI.build_public()
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self.__new_vids = []
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for yt_video in yt_api.videos(all_vids_ids, part='id,statistics'):
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video = all_vids_dict.get(yt_video.id)
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def get_description(self):
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if self.__subscription is not None:
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return "Running synchronization for subscription " + self.__subscription.name
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return "Running synchronization..."
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if yt_video.n_likes is not None \
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and yt_video.n_dislikes is not None \
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and yt_video.n_likes + yt_video.n_dislikes > 0:
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video.rating = yt_video.n_likes / (yt_video.n_likes + yt_video.n_dislikes)
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def get_subscription_list(self):
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if self.__subscription is not None:
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return [self.__subscription]
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return Subscription.objects.all()
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video.views = yt_video.n_views
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video.save()
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def get_videos_list(self, subs):
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return Video.objects.filter(subscription__in=subs)
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def __detect_deleted(subscription: Subscription):
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user = subscription.user
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for video in Video.objects.filter(subscription=subscription, downloaded_path__isnull=False):
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found_video = False
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files = []
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def run(self):
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self.__lock.acquire(blocking=True)
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SynchronizeJob.running = True
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try:
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files = list(video.get_files())
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except OSError as e:
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if e.errno != errno.ENOENT:
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log.error("Could not access path %s. Error: %s", video.downloaded_path, e)
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return
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self.log.info(self.get_description())
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# Try to find a valid video file
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for file in files:
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mime, _ = mimetypes.guess_type(file)
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if mime is not None and mime.startswith("video"):
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found_video = True
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# Build list of work items
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work_subs = self.get_subscription_list()
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work_vids = self.get_videos_list(work_subs)
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# Video not found, we can safely assume that the video was deleted.
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if not found_video:
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log.info("Video %d was deleted! [%s %s]", video.id, video.video_id, video.name)
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# Clean up
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self.set_total_steps(len(work_subs) + len(work_vids))
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# Process subscriptions
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for sub in work_subs:
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self.progress_advance(1, "Synchronizing subscription " + sub.name)
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self.check_new_videos(sub)
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self.fetch_missing_thumbnails(sub)
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# Add new videos to progress calculation
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self.set_total_steps(len(work_subs) + len(work_vids) + len(self.__new_vids))
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# Process videos
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all_videos = itertools.chain(work_vids, self.__new_vids)
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for batch in iterate_chunks(all_videos, 50):
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video_stats = {}
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if _ENABLE_UPDATE_STATS:
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batch_ids = [video.video_id for video in batch]
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video_stats = {v.id: v for v in self.__api.videos(batch_ids, part='id,statistics')}
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for video in itertools.chain(work_vids, self.__new_vids):
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self.progress_advance(1, "Updating video " + video.name)
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self.check_video_deleted(video)
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self.fetch_missing_thumbnails(video)
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if video.video_id in video_stats:
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self.update_video_stats(video, video_stats[video.video_id])
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# Start downloading videos
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for sub in work_subs:
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downloader_process_subscription(sub)
|
||||
|
||||
finally:
|
||||
SynchronizeJob.running = False
|
||||
self.__lock.release()
|
||||
|
||||
def check_new_videos(self, sub: Subscription):
|
||||
playlist_items = self.__api.playlist_items(sub.playlist_id)
|
||||
|
||||
for item in playlist_items:
|
||||
results = Video.objects.filter(video_id=item.resource_video_id, subscription=sub)
|
||||
|
||||
if len(results) == 0:
|
||||
self.log.info('New video for subscription %s: %s %s"', sub, item.resource_video_id, item.title)
|
||||
self.__new_vids.append(Video.create(item, sub))
|
||||
|
||||
def fetch_missing_thumbnails(self, object: Union[Subscription, Video]):
|
||||
if isinstance(object, Subscription):
|
||||
object_type = "sub"
|
||||
object_id = object.playlist_id
|
||||
else:
|
||||
object_type = "video"
|
||||
object_id = object.video_id
|
||||
|
||||
if object.icon_default.startswith("http"):
|
||||
object.icon_default = fetch_thumbnail(object.icon_default, object_type, object_id, 'default')
|
||||
object.save()
|
||||
|
||||
if object.icon_best.startswith("http"):
|
||||
object.icon_best = fetch_thumbnail(object.icon_best, object_type, object_id, 'best')
|
||||
object.save()
|
||||
|
||||
def check_video_deleted(self, video: Video):
|
||||
if video.downloaded_path is not None:
|
||||
files = []
|
||||
try:
|
||||
files = list(video.get_files())
|
||||
except OSError as e:
|
||||
if e.errno != errno.ENOENT:
|
||||
self.log.error("Could not access path %s. Error: %s", video.downloaded_path, e)
|
||||
self.usr_err(f"Could not access path {video.downloaded_path}: {e}", suppress_notification=True)
|
||||
return
|
||||
|
||||
# Try to find a valid video file
|
||||
found_video = False
|
||||
for file in files:
|
||||
try:
|
||||
os.unlink(file)
|
||||
except OSError as e:
|
||||
log.error("Could not delete redundant file %s. Error: %s", file, e)
|
||||
video.downloaded_path = None
|
||||
mime, _ = mimetypes.guess_type(file)
|
||||
if mime is not None and mime.startswith("video"):
|
||||
found_video = True
|
||||
|
||||
# Mark watched?
|
||||
if user.preferences['mark_deleted_as_watched']:
|
||||
video.watched = True
|
||||
# Video not found, we can safely assume that the video was deleted.
|
||||
if not found_video:
|
||||
self.log.info("Video %d was deleted! [%s %s]", video.id, video.video_id, video.name)
|
||||
# Clean up
|
||||
for file in files:
|
||||
try:
|
||||
os.unlink(file)
|
||||
except OSError as e:
|
||||
self.log.error("Could not delete redundant file %s. Error: %s", file, e)
|
||||
self.usr_err(f"Could not delete redundant file {file}: {e}", suppress_notification=True)
|
||||
video.downloaded_path = None
|
||||
|
||||
video.save()
|
||||
# Mark watched?
|
||||
user = video.subscription.user
|
||||
if user.preferences['mark_deleted_as_watched']:
|
||||
video.watched = True
|
||||
|
||||
video.save()
|
||||
|
||||
def __fetch_thumbnails_obj(iterable, obj_type, id_attr):
|
||||
for obj in iterable:
|
||||
if obj.icon_default.startswith("http"):
|
||||
obj.icon_default = fetch_thumbnail(obj.icon_default, obj_type, getattr(obj, id_attr), 'default')
|
||||
if obj.icon_best.startswith("http"):
|
||||
obj.icon_best = fetch_thumbnail(obj.icon_best, obj_type, getattr(obj, id_attr), 'best')
|
||||
obj.save()
|
||||
def update_video_stats(self, video: Video, yt_video):
|
||||
if yt_video.n_likes is not None \
|
||||
and yt_video.n_dislikes is not None \
|
||||
and yt_video.n_likes + yt_video.n_dislikes > 0:
|
||||
video.rating = yt_video.n_likes / (yt_video.n_likes + yt_video.n_dislikes)
|
||||
|
||||
video.views = yt_video.n_views
|
||||
video.save()
|
||||
|
||||
def __fetch_thumbnails():
|
||||
log.info("Fetching subscription thumbnails... ")
|
||||
__fetch_thumbnails_obj(Subscription.objects.filter(icon_default__istartswith='http'), 'sub', 'playlist_id')
|
||||
__fetch_thumbnails_obj(Subscription.objects.filter(icon_best__istartswith='http'), 'sub', 'playlist_id')
|
||||
|
||||
log.info("Fetching video thumbnails... ")
|
||||
__fetch_thumbnails_obj(Video.objects.filter(icon_default__istartswith='http'), 'video', 'video_id')
|
||||
__fetch_thumbnails_obj(Video.objects.filter(icon_best__istartswith='http'), 'video', 'video_id')
|
||||
|
||||
|
||||
def __compute_progress(stage, stage_count, items, total_items):
|
||||
stage_percent = float(stage) / stage_count
|
||||
|
||||
|
||||
def synchronize():
|
||||
if not __lock.acquire(blocking=False):
|
||||
# Synchronize already running in another thread
|
||||
log.info("Synchronize already running in another thread")
|
||||
return
|
||||
|
||||
try:
|
||||
log.info("Running scheduled synchronization... ")
|
||||
notification_manager.notify_status_operation_progress(
|
||||
OPERATION_ID_SYNCHRONIZE,
|
||||
'Running scheduled synchronization: checking for new videos...',
|
||||
0.1,
|
||||
None
|
||||
)
|
||||
|
||||
# Sync subscribed playlists/channels
|
||||
log.info("Sync - checking videos")
|
||||
yt_api = youtube.YoutubeAPI.build_public()
|
||||
for subscription in Subscription.objects.all():
|
||||
__check_new_videos_sub(subscription, yt_api)
|
||||
__detect_deleted(subscription)
|
||||
|
||||
notification_manager.notify_status_operation_progress(
|
||||
OPERATION_ID_SYNCHRONIZE,
|
||||
'Running scheduled synchronization: enqueueing videos to download...',
|
||||
0.5,
|
||||
None
|
||||
)
|
||||
|
||||
log.info("Sync - checking for videos to download")
|
||||
downloader_process_all()
|
||||
|
||||
notification_manager.notify_status_operation_progress(
|
||||
OPERATION_ID_SYNCHRONIZE,
|
||||
'Running scheduled synchronization: fetching thumbnails...',
|
||||
0.7,
|
||||
None
|
||||
)
|
||||
|
||||
log.info("Sync - fetching missing thumbnails")
|
||||
__fetch_thumbnails()
|
||||
|
||||
log.info("Synchronization finished.")
|
||||
notification_manager.notify_status_operation_ended(
|
||||
OPERATION_ID_SYNCHRONIZE,
|
||||
'Synchronization finished.',
|
||||
None
|
||||
)
|
||||
|
||||
finally:
|
||||
__lock.release()
|
||||
|
||||
|
||||
def synchronize_subscription(subscription: Subscription):
|
||||
__lock.acquire()
|
||||
try:
|
||||
log.info("Running synchronization for single subscription %d [%s]", subscription.id, subscription.name)
|
||||
notification_manager.notify_status_update(f'Synchronization started for subscription <strong>{subscription.name}</strong>.')
|
||||
|
||||
yt_api = youtube.YoutubeAPI.build_public()
|
||||
|
||||
log.info("Sync - checking videos")
|
||||
__check_new_videos_sub(subscription, yt_api)
|
||||
__detect_deleted(subscription)
|
||||
|
||||
log.info("Sync - checking for videos to download")
|
||||
downloader_process_subscription(subscription)
|
||||
|
||||
log.info("Sync - fetching missing thumbnails")
|
||||
__fetch_thumbnails()
|
||||
|
||||
log.info("Synchronization finished for subscription %d [%s].", subscription.id, subscription.name)
|
||||
notification_manager.notify_status_update(f'Synchronization finished for subscription <strong>{subscription.name}</strong>.')
|
||||
|
||||
finally:
|
||||
__lock.release()
|
||||
|
||||
|
||||
__global_sync_job = None
|
||||
|
||||
|
||||
def schedule_synchronize_global():
|
||||
global __global_sync_job
|
||||
|
||||
trigger = CronTrigger.from_crontab(appconfig.sync_schedule)
|
||||
|
||||
if __global_sync_job is None:
|
||||
@staticmethod
|
||||
def schedule_global_job():
|
||||
trigger = CronTrigger.from_crontab(appconfig.sync_schedule)
|
||||
__global_sync_job = scheduler.add_job(synchronize, trigger, max_instances=1, coalesce=True)
|
||||
|
||||
else:
|
||||
__global_sync_job.reschedule(trigger, max_instances=1, coalesce=True)
|
||||
if SynchronizeJob.__global_sync_job is None:
|
||||
trigger = CronTrigger.from_crontab(appconfig.sync_schedule)
|
||||
SynchronizeJob.__global_sync_job = scheduler.add_job(SynchronizeJob, trigger, max_instances=1, coalesce=True)
|
||||
|
||||
log.info('Scheduled synchronize job job=%s', __global_sync_job.id)
|
||||
else:
|
||||
SynchronizeJob.__global_sync_job.reschedule(trigger, max_instances=1, coalesce=True)
|
||||
|
||||
@staticmethod
|
||||
def schedule_now():
|
||||
scheduler.add_job(SynchronizeJob, max_instances=1, coalesce=True)
|
||||
|
||||
def schedule_synchronize_now():
|
||||
job = scheduler.add_job(synchronize, max_instances=1, coalesce=True)
|
||||
log.info('Scheduled synchronize now job job=%s', job.id)
|
||||
|
||||
|
||||
def schedule_synchronize_now_subscription(subscription: Subscription):
|
||||
job = scheduler.add_job(synchronize_subscription, args=[subscription])
|
||||
log.info('Scheduled synchronize subscription job subscription=(%s), job=%s', subscription, job.id)
|
||||
@staticmethod
|
||||
def schedule_now_for_subscription(subscription):
|
||||
scheduler.add_job(SynchronizeJob, user=subscription.user, args=[subscription])
|
||||
|
||||
Reference in New Issue
Block a user