ytptube/app/DownloadQueue.py

323 lines
11 KiB
Python

import asyncio
from email.utils import formatdate
import json
import logging
import os
import time
import yt_dlp
from sqlite3 import Connection
from Config import Config
from Download import Download
from ItemDTO import ItemDTO
from DataStore import DataStore
from Utils import Notifier, ObjectSerializer, calcDownloadPath, ExtractInfo, isDownloaded, mergeConfig
log = logging.getLogger('DownloadQueue')
class DownloadQueue:
config: Config = None
notifier: Notifier = None
connection: Connection = None
serializer: ObjectSerializer = None
queue: DataStore = None
done: DataStore = None
event: asyncio.Event = None
def __init__(self, config: Config, notifier: Notifier, connection: Connection, serializer: ObjectSerializer):
self.config = config
self.notifier = notifier
self.connection = connection
self.serializer = serializer
self.done = DataStore(type='done', config=self.config)
self.queue = DataStore(type='queue', config=self.config)
self.done.load()
self.queue.load()
async def initialize(self):
self.event = asyncio.Event()
asyncio.create_task(self.__download())
async def __add_entry(
self,
entry: dict,
quality: str,
format: str,
folder: str,
ytdlp_config: dict = {},
ytdlp_cookies: str = '',
output_template: str = '',
already=None
):
if not entry:
return {'status': 'error', 'msg': 'Invalid/empty data was given.'}
error: str = None
live_in: str = None
etype = entry.get('_type') or 'video'
if etype == 'playlist':
entries = entry['entries']
log.info(f'playlist detected with {len(entries)} entries')
playlist_index_digits = len(str(len(entries)))
results = []
for index, etr in enumerate(entries, start=1):
etr['playlist'] = entry.get('id')
etr['playlist_index'] = '{{0:0{0:d}d}}'.format(
playlist_index_digits).format(index)
for property in ('id', 'title', 'uploader', 'uploader_id'):
if property in entry:
etr[f'playlist_{property}'] = entry.get(property)
results.append(
await self.__add_entry(
entry=etr,
quality=quality,
format=format,
folder=folder,
ytdlp_config=ytdlp_config,
ytdlp_cookies=ytdlp_cookies,
output_template=output_template,
already=already
)
)
if any(res['status'] == 'error' for res in results):
return {'status': 'error', 'msg': ', '.join(res['msg'] for res in results if res['status'] == 'error' and 'msg' in res)}
return {'status': 'ok'}
elif (etype == 'video' or etype.startswith('url')) and 'id' in entry and 'title' in entry:
# check if the video is live stream.
if 'live_status' in entry and entry.get('live_status') == 'is_upcoming':
if 'release_timestamp' in entry and entry.get('release_timestamp'):
live_in = formatdate(entry.get('release_timestamp'))
else:
error = 'Live stream not yet started. And no date is set.'
else:
error = entry.get('msg', None)
log.debug(
f"entry: {entry.get('id', None)} - {entry.get('webpage_url', None)} - {entry.get('url', None) }")
if self.done.exists(key=entry['id'], url=entry.get('webpage_url') or entry.get('url')):
item = self.done.get(key=entry['id'], url=entry.get(
'webpage_url') or entry['url'])
log.debug(
f'Item [{item.info.title}] already downloaded. Removing from history.')
await self.clear([item.info._id])
if self.queue.exists(key=entry.get('id'), url=entry.get('webpage_url') or entry.get('url')):
log.info(
f'Item [{item.info.title}] already in download queue')
return {'status': 'error', 'msg': 'Link already queued for downloading.'}
dl = ItemDTO(
id=entry.get('id'),
title=entry.get('title'),
url=entry.get('webpage_url') or entry.get('url'),
quality=quality,
format=format,
folder=folder,
ytdlp_cookies=ytdlp_cookies,
ytdlp_config=ytdlp_config,
output_template=output_template if output_template else self.config.output_template,
datetime=formatdate(time.time()),
error=error,
is_live=entry.get('is_live', None),
live_in=live_in,
)
try:
dldirectory = calcDownloadPath(
basePath=self.config.download_path,
folder=folder
)
except Exception as e:
return {'status': 'error', 'msg': str(e)}
output_chapter = self.config.output_template_chapter
for property, value in entry.items():
if property.startswith("playlist"):
dl.output_template = dl.output_template.replace(
f"%({property})s", str(value))
dlInfo: Download = Download(
info=dl,
download_dir=dldirectory,
temp_dir=self.config.temp_path,
output_template_chapter=output_chapter,
default_ytdl_opts=self.config.ytdl_options,
debug=bool(self.config.ytdl_debug)
)
if dlInfo.info.live_in:
dlInfo.info.status = 'not_live'
itemDownload = self.done.put(dlInfo)
else:
itemDownload = self.queue.put(dlInfo)
self.event.set()
await self.notifier.emit('completed' if itemDownload.info.live_in else 'added', itemDownload.info)
return {
'status': 'ok'
}
elif etype.startswith('url'):
return await self.add(
entry=entry.get('url'),
quality=quality,
format=format,
folder=folder,
ytdlp_config=ytdlp_config,
ytdlp_cookies=ytdlp_cookies,
output_template=output_template,
already=already
)
return {
'status': 'error',
'msg': f'Unsupported resource "{etype}"'
}
async def add(
self,
url: str,
quality: str,
format: str,
folder: str,
ytdlp_config: dict = {},
ytdlp_cookies: str = '',
output_template: str = '',
already=None
):
ytdlp_config = ytdlp_config if ytdlp_config else {}
log.info(
f'Adding {url=} {quality=} {format=} {folder=} {output_template=} {ytdlp_cookies=} {ytdlp_config=}')
already = set() if already is None else already
if url in already:
log.info('recursion detected, skipping')
return {'status': 'ok'}
else:
already.add(url)
try:
entry = await asyncio.get_running_loop().run_in_executor(
None,
ExtractInfo,
mergeConfig(self.config.ytdl_options, ytdlp_config),
url,
bool(self.config.ytdl_debug)
)
if not entry:
return {
'status': 'error',
'msg': 'No metadata, most likely video has been downloaded before.' if self.config.keep_archive else 'Unable to extract info check logs.'
}
if self.isDownloaded(entry):
raise yt_dlp.utils.ExistingVideoReached()
log.debug(f'entry: extract info says: {entry}')
except yt_dlp.utils.ExistingVideoReached:
return {'status': 'error', 'msg': 'Video has been downloaded already and recorded in archive.log file.'}
except yt_dlp.utils.YoutubeDLError as exc:
return {'status': 'error', 'msg': str(exc)}
return await self.__add_entry(
entry=entry,
quality=quality,
format=format,
folder=folder,
ytdlp_config=ytdlp_config,
ytdlp_cookies=ytdlp_cookies,
output_template=output_template,
already=already,
)
async def cancel(self, ids):
for id in ids:
if not self.queue.exists(id):
log.warn(f'Requested cancel for non-existent download {id=}')
continue
item = self.queue.get(key=id)
if self.queue.get(id).started():
log.info(f'Canceling {id=} {item.info.title=}')
self.queue.get(id).cancel()
else:
self.queue.delete(id)
log.info(f'Deleting {id=} {item.info.title=}')
await self.notifier.canceled(id)
return {'status': 'ok'}
async def clear(self, ids):
for id in ids:
if not self.done.exists(key=id):
log.warn(f'Requested delete for non-existent download {id}')
continue
item = self.done.get(key=id)
log.info(f'Deleting {id=} {item.info.title=}')
self.done.delete(id)
await self.notifier.cleared(id)
return {'status': 'ok'}
def get(self) -> dict[str, list[dict[str, ItemDTO]]]:
items = {'queue': {}, 'done': {}}
for k, v in self.queue.saved_items():
items['queue'][k] = v
for k, v in self.done.saved_items():
items['done'][k] = v
for k, v in self.queue.items():
if not k in items['queue']:
items['queue'][k] = v.info
for k, v in self.done.items():
if not k in items['done']:
items['done'][k] = v.info
return items
async def __download(self):
while True:
while self.queue.empty():
log.info('waiting for item to download.')
await self.event.wait()
self.event.clear()
id, entry = self.queue.next()
log.info(
f'Queuing {id=} - {entry.info.title=} - {entry.info.url=} - {entry.info.folder=}.')
await entry.start(self.notifier)
if entry.info.status != 'finished':
if entry.tmpfilename and os.path.isfile(entry.tmpfilename):
try:
os.remove(entry.tmpfilename)
except:
pass
entry.info.status = 'error'
entry.close()
if self.queue.exists(id):
self.queue.delete(id)
if entry.canceled:
await self.notifier.canceled(id)
else:
self.done.put(entry)
await self.notifier.completed(entry.info)
def isDownloaded(self, info: dict) -> bool:
return self.config.keep_archive and isDownloaded(self.config.ytdl_options.get('download_archive', None), info)