689 lines
24 KiB
Python
689 lines
24 KiB
Python
"""
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Functionality:
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- handele the download queue
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- manage subscriptions to channels
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- downloading videos
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"""
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import json
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import os
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import shutil
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from datetime import datetime
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from time import sleep
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import requests
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import yt_dlp as youtube_dl
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from home.src.config import AppConfig
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from home.src.helper import (
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DurationConverter,
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RedisArchivist,
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RedisQueue,
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clean_string,
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ignore_filelist,
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)
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from home.src.index import (
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IndexPaginate,
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YoutubeChannel,
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YoutubePlaylist,
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index_new_video,
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)
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class PendingList:
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"""manage the pending videos list"""
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CONFIG = AppConfig().config
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ES_URL = CONFIG["application"]["es_url"]
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ES_AUTH = CONFIG["application"]["es_auth"]
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VIDEOS = CONFIG["application"]["videos"]
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def __init__(self):
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self.all_channel_ids = False
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self.all_downloaded = False
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@staticmethod
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def parse_url_list(youtube_ids):
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"""extract youtube ids from list"""
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missing_videos = []
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for entry in youtube_ids:
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# notify
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mess_dict = {
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"status": "pending",
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"level": "info",
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"title": "Adding to download queue.",
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"message": "Extracting lists",
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}
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RedisArchivist().set_message("progress:download", mess_dict)
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# extract
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url = entry["url"]
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url_type = entry["type"]
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if url_type == "video":
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missing_videos.append(url)
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elif url_type == "channel":
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video_results = ChannelSubscription().get_last_youtube_videos(
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url, limit=False
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)
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youtube_ids = [i[0] for i in video_results]
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missing_videos = missing_videos + youtube_ids
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elif url_type == "playlist":
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video_results = YoutubePlaylist(url).get_entries()
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youtube_ids = [i["youtube_id"] for i in video_results]
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missing_videos = missing_videos + youtube_ids
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return missing_videos
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def add_to_pending(self, missing_videos):
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"""build the bulk json data from pending"""
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# check if channel is indexed
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channel_handler = ChannelSubscription()
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all_indexed = channel_handler.get_channels(subscribed_only=False)
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self.all_channel_ids = [i["channel_id"] for i in all_indexed]
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# check if already there
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self.all_downloaded = self.get_all_downloaded()
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bulk_list, all_videos_added = self.build_bulk(missing_videos)
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# add last newline
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bulk_list.append("\n")
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query_str = "\n".join(bulk_list)
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headers = {"Content-type": "application/x-ndjson"}
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url = self.ES_URL + "/_bulk"
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request = requests.post(
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url, data=query_str, headers=headers, auth=self.ES_AUTH
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)
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if not request.ok:
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print(request)
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return all_videos_added
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def build_bulk(self, missing_videos):
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"""build the bulk lists"""
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bulk_list = []
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all_videos_added = []
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counter = 1
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for youtube_id in missing_videos:
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# check if already downloaded
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if youtube_id in self.all_downloaded:
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continue
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video = self.get_youtube_details(youtube_id)
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# skip on download error
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if not video:
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continue
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channel_indexed = video["channel_id"] in self.all_channel_ids
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video["channel_indexed"] = channel_indexed
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thumb_url = video["vid_thumb_url"]
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video["status"] = "pending"
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action = {"create": {"_id": youtube_id, "_index": "ta_download"}}
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bulk_list.append(json.dumps(action))
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bulk_list.append(json.dumps(video))
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all_videos_added.append((youtube_id, thumb_url))
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# notify
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progress = f"{counter}/{len(missing_videos)}"
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mess_dict = {
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"status": "pending",
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"level": "info",
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"title": "Adding new videos to download queue.",
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"message": "Progress: " + progress,
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}
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RedisArchivist().set_message("progress:download", mess_dict)
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if counter % 25 == 0:
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print("adding to queue progress: " + progress)
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counter = counter + 1
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return bulk_list, all_videos_added
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@staticmethod
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def get_youtube_details(youtube_id):
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"""get details from youtubedl for single pending video"""
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obs = {
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"default_search": "ytsearch",
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"quiet": True,
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"skip_download": True,
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"check_formats": True,
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}
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try:
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vid = youtube_dl.YoutubeDL(obs).extract_info(youtube_id)
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except youtube_dl.utils.DownloadError:
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print("failed to extract info for: " + youtube_id)
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return False
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# stop if video is streaming live now
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if vid["is_live"]:
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return False
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# parse response
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seconds = vid["duration"]
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duration_str = DurationConverter.get_str(seconds)
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if duration_str == "NA":
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print(f"skip extracting duration for: {youtube_id}")
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upload_date = vid["upload_date"]
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upload_dt = datetime.strptime(upload_date, "%Y%m%d")
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published = upload_dt.strftime("%Y-%m-%d")
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# build dict
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youtube_details = {
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"youtube_id": youtube_id,
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"channel_name": vid["channel"],
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"vid_thumb_url": vid["thumbnail"],
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"title": vid["title"],
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"channel_id": vid["channel_id"],
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"duration": duration_str,
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"published": published,
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"timestamp": int(datetime.now().strftime("%s")),
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}
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return youtube_details
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@staticmethod
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def get_all_pending():
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"""get a list of all pending videos in ta_download"""
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data = {
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"query": {"match_all": {}},
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"sort": [{"timestamp": {"order": "asc"}}],
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}
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all_results = IndexPaginate("ta_download", data).get_results()
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all_pending = []
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all_ignore = []
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for result in all_results:
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if result["status"] == "pending":
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all_pending.append(result)
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elif result["status"] == "ignore":
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all_ignore.append(result)
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return all_pending, all_ignore
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@staticmethod
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def get_all_indexed():
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"""get a list of all videos indexed"""
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data = {
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"query": {"match_all": {}},
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"sort": [{"published": {"order": "desc"}}],
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}
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all_indexed = IndexPaginate("ta_video", data).get_results()
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return all_indexed
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def get_all_downloaded(self):
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"""get a list of all videos in archive"""
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channel_folders = os.listdir(self.VIDEOS)
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all_channel_folders = ignore_filelist(channel_folders)
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all_downloaded = []
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for channel_folder in all_channel_folders:
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channel_path = os.path.join(self.VIDEOS, channel_folder)
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videos = os.listdir(channel_path)
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all_videos = ignore_filelist(videos)
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youtube_vids = [i[9:20] for i in all_videos]
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for youtube_id in youtube_vids:
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all_downloaded.append(youtube_id)
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return all_downloaded
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def delete_from_pending(self, youtube_id):
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"""delete the youtube_id from ta_download"""
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url = f"{self.ES_URL}/ta_download/_doc/{youtube_id}"
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response = requests.delete(url, auth=self.ES_AUTH)
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if not response.ok:
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print(response.text)
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def ignore_from_pending(self, ignore_list):
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"""build the bulk query string"""
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stamp = int(datetime.now().strftime("%s"))
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bulk_list = []
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for youtube_id in ignore_list:
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action = {"update": {"_id": youtube_id, "_index": "ta_download"}}
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source = {"doc": {"status": "ignore", "timestamp": stamp}}
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bulk_list.append(json.dumps(action))
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bulk_list.append(json.dumps(source))
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# add last newline
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bulk_list.append("\n")
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query_str = "\n".join(bulk_list)
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headers = {"Content-type": "application/x-ndjson"}
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url = self.ES_URL + "/_bulk"
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request = requests.post(
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url, data=query_str, headers=headers, auth=self.ES_AUTH
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)
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mess_dict = {
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"status": "ignore",
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"level": "info",
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"title": "Added to ignore list",
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"message": "",
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}
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RedisArchivist().set_message("progress:download", mess_dict)
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if not request.ok:
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print(request)
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class ChannelSubscription:
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"""manage the list of channels subscribed"""
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def __init__(self):
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config = AppConfig().config
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self.es_url = config["application"]["es_url"]
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self.es_auth = config["application"]["es_auth"]
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self.channel_size = config["subscriptions"]["channel_size"]
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@staticmethod
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def get_channels(subscribed_only=True):
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"""get a list of all channels subscribed to"""
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data = {
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"sort": [{"channel_name.keyword": {"order": "asc"}}],
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}
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if subscribed_only:
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data["query"] = {"term": {"channel_subscribed": {"value": True}}}
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else:
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data["query"] = {"match_all": {}}
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all_channels = IndexPaginate("ta_channel", data).get_results()
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return all_channels
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def get_last_youtube_videos(self, channel_id, limit=True):
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"""get a list of last videos from channel"""
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url = f"https://www.youtube.com/channel/{channel_id}/videos"
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obs = {
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"default_search": "ytsearch",
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"quiet": True,
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"skip_download": True,
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"extract_flat": True,
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}
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if limit:
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obs["playlistend"] = self.channel_size
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chan = youtube_dl.YoutubeDL(obs).extract_info(url, download=False)
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last_videos = [(i["id"], i["title"]) for i in chan["entries"]]
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return last_videos
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def find_missing(self):
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"""add missing videos from subscribed channels to pending"""
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all_channels = self.get_channels()
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pending_handler = PendingList()
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all_pending, all_ignore = pending_handler.get_all_pending()
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all_ids = [i["youtube_id"] for i in all_ignore + all_pending]
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all_downloaded = pending_handler.get_all_downloaded()
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to_ignore = all_ids + all_downloaded
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missing_videos = []
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counter = 1
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for channel in all_channels:
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channel_id = channel["channel_id"]
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last_videos = self.get_last_youtube_videos(channel_id)
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RedisArchivist().set_message(
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"progress:download",
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{
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"status": "rescan",
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"level": "info",
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"title": "Scanning channels: Looking for new videos.",
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"message": f"Progress: {counter}/{len(all_channels)}",
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},
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)
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for video in last_videos:
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youtube_id = video[0]
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if youtube_id not in to_ignore:
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missing_videos.append(youtube_id)
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counter = counter + 1
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return missing_videos
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def change_subscribe(self, channel_id, channel_subscribed):
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"""subscribe or unsubscribe from channel and update"""
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if not isinstance(channel_subscribed, bool):
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print("invalid status, should be bool")
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return
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headers = {"Content-type": "application/json"}
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channel_handler = YoutubeChannel(channel_id)
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channel_dict = channel_handler.channel_dict
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channel_dict["channel_subscribed"] = channel_subscribed
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if channel_subscribed:
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# handle subscribe
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url = self.es_url + "/ta_channel/_doc/" + channel_id
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payload = json.dumps(channel_dict)
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print(channel_dict)
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else:
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url = self.es_url + "/ta_channel/_update/" + channel_id
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payload = json.dumps({"doc": channel_dict})
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# update channel
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request = requests.post(
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url, data=payload, headers=headers, auth=self.es_auth
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)
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if not request.ok:
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print(request.text)
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# sync to videos
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channel_handler.sync_to_videos()
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if channel_handler.source == "scraped":
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channel_handler.get_channel_art()
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class PlaylistSubscription:
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"""manage the playlist download functionality"""
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def __init__(self):
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self.config = AppConfig().config
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@staticmethod
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def get_playlists(subscribed_only=True):
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"""get a list of all playlists"""
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data = {
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"sort": [{"playlist_channel.keyword": {"order": "desc"}}],
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}
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if subscribed_only:
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data["query"] = {"term": {"playlist_subscribed": {"value": True}}}
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else:
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data["query"] = {"match_all": {}}
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all_playlists = IndexPaginate("ta_playlist", data).get_results()
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return all_playlists
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def process_url_str(self, new_playlists):
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"""process playlist subscribe form url_str"""
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all_indexed = PendingList().get_all_indexed()
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all_youtube_ids = [i["youtube_id"] for i in all_indexed]
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new_thumbs = []
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for playlist in new_playlists:
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url_type = playlist["type"]
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playlist_id = playlist["url"]
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if not url_type == "playlist":
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print(f"{playlist_id} not a playlist, skipping...")
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continue
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playlist_handler = YoutubePlaylist(
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playlist_id, all_youtube_ids=all_youtube_ids
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)
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if not playlist_handler.get_es_playlist():
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playlist_handler.get_playlist_dict()
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playlist_handler.playlist_dict["playlist_subscribed"] = True
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playlist_handler.upload_to_es()
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playlist_handler.add_vids_to_playlist()
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thumb = playlist_handler.playlist_dict["playlist_thumbnail"]
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new_thumbs.append((playlist_id, thumb))
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else:
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self.change_subscribe(playlist_id, subscribe_status=True)
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# notify
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RedisArchivist().set_message(
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"progress:subscribe", {"status": "subscribing"}
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)
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return new_thumbs
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def change_subscribe(self, playlist_id, subscribe_status):
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"""change the subscribe status of a playlist"""
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es_url = self.config["application"]["es_url"]
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es_auth = self.config["application"]["es_auth"]
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playlist_handler = YoutubePlaylist(playlist_id)
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playlist_handler.get_playlist_dict()
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subed_now = playlist_handler.playlist_dict["playlist_subscribed"]
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if subed_now == subscribe_status:
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# status already as expected, do nothing
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return False
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# update subscribed status
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print(f"changing status of {playlist_id} to {subscribe_status}")
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headers = {"Content-type": "application/json"}
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url = f"{es_url}/ta_playlist/_update/{playlist_id}"
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payload = json.dumps(
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{"doc": {"playlist_subscribed": subscribe_status}}
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)
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response = requests.post(
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url, data=payload, headers=headers, auth=es_auth
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)
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if not response.ok:
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print(response.text)
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return True
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@staticmethod
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def get_to_ignore():
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"""get all youtube_ids already downloaded or ignored"""
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pending_handler = PendingList()
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all_pending, all_ignore = pending_handler.get_all_pending()
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all_ids = [i["youtube_id"] for i in all_ignore + all_pending]
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all_downloaded = pending_handler.get_all_downloaded()
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to_ignore = all_ids + all_downloaded
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return to_ignore
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def find_missing(self):
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"""find videos in subscribed playlists not downloaded yet"""
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all_playlists = [i["playlist_id"] for i in self.get_playlists()]
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to_ignore = self.get_to_ignore()
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missing_videos = []
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counter = 1
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for playlist_id in all_playlists:
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size_limit = self.config["subscriptions"]["channel_size"]
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playlist = YoutubePlaylist(playlist_id).update_playlist()
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if size_limit:
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playlist_entries = playlist["playlist_entries"][:size_limit]
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else:
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playlist_entries = playlist["playlist_entries"]
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all_missing = [i for i in playlist_entries if not i["downloaded"]]
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RedisArchivist().set_message(
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"progress:download",
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{
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"status": "rescan",
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"level": "info",
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"title": "Scanning playlists: Looking for new videos.",
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"message": f"Progress: {counter}/{len(all_playlists)}",
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},
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)
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for video in all_missing:
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youtube_id = video["youtube_id"]
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if youtube_id not in to_ignore:
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missing_videos.append(youtube_id)
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counter = counter + 1
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return missing_videos
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class VideoDownloader:
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"""
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handle the video download functionality
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if not initiated with list, take from queue
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"""
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def __init__(self, youtube_id_list=False):
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self.youtube_id_list = youtube_id_list
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self.config = AppConfig().config
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self.channels = set()
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def run_queue(self):
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"""setup download queue in redis loop until no more items"""
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queue = RedisQueue("dl_queue")
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limit_queue = self.config["downloads"]["limit_count"]
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if limit_queue:
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queue.trim(limit_queue - 1)
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while True:
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youtube_id = queue.get_next()
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if not youtube_id:
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break
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try:
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self.dl_single_vid(youtube_id)
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except youtube_dl.utils.DownloadError:
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print("failed to download " + youtube_id)
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continue
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vid_dict = index_new_video(youtube_id)
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self.channels.add(vid_dict["channel"]["channel_id"])
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self.move_to_archive(vid_dict)
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self.delete_from_pending(youtube_id)
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@staticmethod
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def add_pending():
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"""add pending videos to download queue"""
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all_pending, _ = PendingList().get_all_pending()
|
|
to_add = [i["youtube_id"] for i in all_pending]
|
|
if not to_add:
|
|
# there is nothing pending
|
|
print("download queue is empty")
|
|
mess_dict = {
|
|
"status": "downloading",
|
|
"level": "error",
|
|
"title": "Download queue is empty",
|
|
"message": "",
|
|
}
|
|
RedisArchivist().set_message("progress:download", mess_dict)
|
|
return
|
|
|
|
queue = RedisQueue("dl_queue")
|
|
queue.add_list(to_add)
|
|
|
|
@staticmethod
|
|
def progress_hook(response):
|
|
"""process the progress_hooks from youtube_dl"""
|
|
# title
|
|
filename = response["filename"][12:].replace("_", " ")
|
|
title = "Downloading: " + os.path.split(filename)[-1]
|
|
# message
|
|
try:
|
|
percent = response["_percent_str"]
|
|
size = response["_total_bytes_str"]
|
|
speed = response["_speed_str"]
|
|
eta = response["_eta_str"]
|
|
message = f"{percent} of {size} at {speed} - time left: {eta}"
|
|
except KeyError:
|
|
message = ""
|
|
mess_dict = {
|
|
"status": "downloading",
|
|
"level": "info",
|
|
"title": title,
|
|
"message": message,
|
|
}
|
|
RedisArchivist().set_message("progress:download", mess_dict)
|
|
|
|
def build_obs(self):
|
|
"""build obs dictionary for yt-dlp"""
|
|
obs = {
|
|
"default_search": "ytsearch",
|
|
"merge_output_format": "mp4",
|
|
"restrictfilenames": True,
|
|
"outtmpl": (
|
|
self.config["application"]["cache_dir"]
|
|
+ "/download/"
|
|
+ self.config["application"]["file_template"]
|
|
),
|
|
"progress_hooks": [self.progress_hook],
|
|
"noprogress": True,
|
|
"quiet": True,
|
|
"continuedl": True,
|
|
"retries": 3,
|
|
"writethumbnail": False,
|
|
}
|
|
if self.config["downloads"]["format"]:
|
|
obs["format"] = self.config["downloads"]["format"]
|
|
if self.config["downloads"]["limit_speed"]:
|
|
obs["ratelimit"] = self.config["downloads"]["limit_speed"] * 1024
|
|
|
|
throttle = self.config["downloads"]["throttledratelimit"]
|
|
if throttle:
|
|
obs["throttledratelimit"] = throttle * 1024
|
|
|
|
external = False
|
|
if external:
|
|
obs["external_downloader"] = "aria2c"
|
|
|
|
postprocessors = []
|
|
|
|
if self.config["downloads"]["add_metadata"]:
|
|
postprocessors.append(
|
|
{
|
|
"key": "FFmpegMetadata",
|
|
"add_chapters": True,
|
|
"add_metadata": True,
|
|
}
|
|
)
|
|
|
|
if self.config["downloads"]["add_thumbnail"]:
|
|
postprocessors.append(
|
|
{
|
|
"key": "EmbedThumbnail",
|
|
"already_have_thumbnail": True,
|
|
}
|
|
)
|
|
obs["writethumbnail"] = True
|
|
|
|
obs["postprocessors"] = postprocessors
|
|
|
|
return obs
|
|
|
|
def dl_single_vid(self, youtube_id):
|
|
"""download single video"""
|
|
dl_cache = self.config["application"]["cache_dir"] + "/download/"
|
|
obs = self.build_obs()
|
|
|
|
# check if already in cache to continue from there
|
|
all_cached = ignore_filelist(os.listdir(dl_cache))
|
|
for file_name in all_cached:
|
|
if youtube_id in file_name:
|
|
obs["outtmpl"] = os.path.join(dl_cache, file_name)
|
|
with youtube_dl.YoutubeDL(obs) as ydl:
|
|
try:
|
|
ydl.download([youtube_id])
|
|
except youtube_dl.utils.DownloadError:
|
|
print("retry failed download: " + youtube_id)
|
|
sleep(10)
|
|
ydl.download([youtube_id])
|
|
|
|
if obs["writethumbnail"]:
|
|
# webp files don't get cleaned up automatically
|
|
all_cached = ignore_filelist(os.listdir(dl_cache))
|
|
to_clean = [i for i in all_cached if not i.endswith(".mp4")]
|
|
for file_name in to_clean:
|
|
file_path = os.path.join(dl_cache, file_name)
|
|
os.remove(file_path)
|
|
|
|
def move_to_archive(self, vid_dict):
|
|
"""move downloaded video from cache to archive"""
|
|
videos = self.config["application"]["videos"]
|
|
host_uid = self.config["application"]["HOST_UID"]
|
|
host_gid = self.config["application"]["HOST_GID"]
|
|
channel_name = clean_string(vid_dict["channel"]["channel_name"])
|
|
# make archive folder with correct permissions
|
|
new_folder = os.path.join(videos, channel_name)
|
|
if not os.path.exists(new_folder):
|
|
os.makedirs(new_folder)
|
|
if host_uid and host_gid:
|
|
os.chown(new_folder, host_uid, host_gid)
|
|
# find real filename
|
|
cache_dir = self.config["application"]["cache_dir"]
|
|
all_cached = ignore_filelist(os.listdir(cache_dir + "/download/"))
|
|
for file_str in all_cached:
|
|
if vid_dict["youtube_id"] in file_str:
|
|
old_file = file_str
|
|
old_file_path = os.path.join(cache_dir, "download", old_file)
|
|
new_file_path = os.path.join(videos, vid_dict["media_url"])
|
|
# move media file and fix permission
|
|
shutil.move(old_file_path, new_file_path)
|
|
if host_uid and host_gid:
|
|
os.chown(new_file_path, host_uid, host_gid)
|
|
|
|
def delete_from_pending(self, youtube_id):
|
|
"""delete downloaded video from pending index if its there"""
|
|
es_url = self.config["application"]["es_url"]
|
|
es_auth = self.config["application"]["es_auth"]
|
|
url = f"{es_url}/ta_download/_doc/{youtube_id}"
|
|
response = requests.delete(url, auth=es_auth)
|
|
if not response.ok and not response.status_code == 404:
|
|
print(response.text)
|
|
|
|
def validate_playlists(self):
|
|
"""update playlists"""
|
|
print("sync playlists")
|
|
all_indexed = PendingList().get_all_indexed()
|
|
all_youtube_ids = [i["youtube_id"] for i in all_indexed]
|
|
for channel_id in self.channels:
|
|
playlists = YoutubeChannel(channel_id).get_indexed_playlists()
|
|
all_playlist_ids = [i["playlist_id"] for i in playlists]
|
|
for playlist_id in all_playlist_ids:
|
|
playlist_handler = YoutubePlaylist(
|
|
playlist_id, all_youtube_ids=all_youtube_ids
|
|
)
|
|
_ = playlist_handler.update_playlist()
|
|
playlist_handler.add_vids_to_playlist()
|