mirror of
https://github.com/lrnselfreliance/wrolpi.git
synced 2026-10-26 02:48:38 -04:00
a1e0fb4e92
Replacing Channels and Domains with Collection. Moving downloading relationships from Channel to Collection. Created domains.yaml config to manage tagged domain collections. Adding turn-key upgrade solution in the UI.
93 lines
3.5 KiB
Python
93 lines
3.5 KiB
Python
import asyncio
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from typing import List, Tuple
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from sqlalchemy.orm import Session
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from modules.videos.models import Video
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from wrolpi.common import logger, limit_concurrent, register_modeler, register_refresh_cleanup
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from wrolpi.db import get_db_curs, get_db_session
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from wrolpi.files.models import FileGroup
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from wrolpi.vars import PYTEST
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from .downloader import video_downloader # Import downloaders so they are registered.
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logger = logger.getChild(__name__)
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__all__ = ['video_modeler']
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VIDEO_PROCESSING_LIMIT = 20
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@register_modeler
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async def video_modeler():
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while True:
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with get_db_session(commit=True) as session:
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file_groups = session.query(FileGroup, Video).filter(
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FileGroup.indexed != True,
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FileGroup.mimetype.like('video/%'),
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).outerjoin(Video, Video.file_group_id == FileGroup.id) \
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.limit(VIDEO_PROCESSING_LIMIT)
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file_groups: List[Tuple[FileGroup, Video]] = list(file_groups)
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processed = 0
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for file_group, video in file_groups:
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processed += 1
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video_id = None
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try:
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if not video:
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video = Video(file_group=file_group, file_group_id=file_group.id)
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session.add(video)
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session.flush([video])
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video_id = video.id
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if not Session.object_session(video):
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session.add(video)
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video.flush()
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# Extract ffprobe data.
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await video.get_ffprobe_json()
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video.flush(session)
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# Validate and index subtitles.
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video.validate(session)
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processed += 1
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except Exception as e:
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if PYTEST:
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raise
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i = video.file_group.primary_path if video.file_group else video_id
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logger.error(f'Unable to model Video: {str(i)}', exc_info=e)
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file_group.indexed = True
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session.commit()
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if processed < VIDEO_PROCESSING_LIMIT:
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# Did not reach limit, do not query again.
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break
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logger.debug(f'Modeled {processed} videos')
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# Sleep to catch cancel.
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await asyncio.sleep(0)
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@register_refresh_cleanup
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@limit_concurrent(1)
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def video_cleanup():
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logger.info('Claiming Videos for their Channels')
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with get_db_curs(commit=True) as curs:
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# Delete all Videos if the FileModel no longer contains a video.
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curs.execute('''
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WITH deleted AS
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(UPDATE file_group SET model = null WHERE model = 'video' AND mimetype NOT LIKE 'video/%' RETURNING id)
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DELETE
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FROM video
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WHERE file_group_id = ANY (select id from deleted)
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''')
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# Claim all Videos in a Channel's directory for that Channel. But, only if they have not yet been claimed.
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curs.execute('''
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UPDATE video v
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SET channel_id = c.id
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FROM channel c
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INNER JOIN collection col ON col.id = c.collection_id
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LEFT JOIN file_group fg ON fg.primary_path LIKE col.directory || '/%'::VARCHAR
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WHERE v.channel_id IS NULL
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AND fg.id = v.file_group_id
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''')
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