206 lines
7.2 KiB
Python
206 lines
7.2 KiB
Python
"""
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Functionality:
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- reindexing old documents
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- syncing updated values between indexes
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- scan the filesystem to delete or index
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"""
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import json
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import os
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from home.src.download.queue import PendingList
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from home.src.es.connect import ElasticWrap
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from home.src.index.comments import CommentList
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from home.src.index.video import index_new_video
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from home.src.ta.config import AppConfig
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from home.src.ta.helper import clean_string, ignore_filelist
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from PIL import ImageFile
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ImageFile.LOAD_TRUNCATED_IMAGES = True
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class ScannerBase:
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"""scan the filesystem base class"""
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CONFIG = AppConfig().config
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VIDEOS = CONFIG["application"]["videos"]
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def __init__(self):
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self.to_index = False
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self.to_delete = False
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self.mismatch = False
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self.to_rename = False
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def scan(self):
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"""entry point, scan and compare"""
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all_downloaded = self._get_all_downloaded()
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all_indexed = self._get_all_indexed()
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self.list_comarison(all_downloaded, all_indexed)
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def _get_all_downloaded(self):
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"""get a list of all video files downloaded"""
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channels = os.listdir(self.VIDEOS)
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all_channels = ignore_filelist(channels)
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all_channels.sort()
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all_downloaded = []
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for channel_name in all_channels:
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channel_path = os.path.join(self.VIDEOS, channel_name)
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channel_files = os.listdir(channel_path)
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channel_files_clean = ignore_filelist(channel_files)
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all_videos = [i for i in channel_files_clean if i.endswith(".mp4")]
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for video in all_videos:
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youtube_id = video[9:20]
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all_downloaded.append((channel_name, video, youtube_id))
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return all_downloaded
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@staticmethod
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def _get_all_indexed():
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"""get a list of all indexed videos"""
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index_handler = PendingList()
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index_handler.get_download()
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index_handler.get_indexed()
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all_indexed = []
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for video in index_handler.all_videos:
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youtube_id = video["youtube_id"]
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media_url = video["media_url"]
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published = video["published"]
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title = video["title"]
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all_indexed.append((youtube_id, media_url, published, title))
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return all_indexed
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def list_comarison(self, all_downloaded, all_indexed):
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"""compare the lists to figure out what to do"""
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self._find_unindexed(all_downloaded, all_indexed)
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self._find_missing(all_downloaded, all_indexed)
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self._find_bad_media_url(all_downloaded, all_indexed)
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def _find_unindexed(self, all_downloaded, all_indexed):
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"""find video files without a matching document indexed"""
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all_indexed_ids = [i[0] for i in all_indexed]
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self.to_index = []
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for downloaded in all_downloaded:
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if downloaded[2] not in all_indexed_ids:
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self.to_index.append(downloaded)
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def _find_missing(self, all_downloaded, all_indexed):
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"""find indexed videos without matching media file"""
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all_downloaded_ids = [i[2] for i in all_downloaded]
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self.to_delete = []
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for video in all_indexed:
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youtube_id = video[0]
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if youtube_id not in all_downloaded_ids:
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self.to_delete.append(video)
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def _find_bad_media_url(self, all_downloaded, all_indexed):
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"""rename media files not matching the indexed title"""
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self.mismatch = []
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self.to_rename = []
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for downloaded in all_downloaded:
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channel, filename, downloaded_id = downloaded
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# find in indexed
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for indexed in all_indexed:
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indexed_id, media_url, published, title = indexed
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if indexed_id == downloaded_id:
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# found it
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pub = published.replace("-", "")
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expected = f"{pub}_{indexed_id}_{clean_string(title)}.mp4"
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new_url = os.path.join(channel, expected)
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if expected != filename:
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# file to rename
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self.to_rename.append((channel, filename, expected))
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if media_url != new_url:
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# media_url to update in es
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self.mismatch.append((indexed_id, new_url))
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break
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class Filesystem(ScannerBase):
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"""handle scanning and fixing from filesystem"""
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def __init__(self, task=False):
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super().__init__()
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self.task = task
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def process(self):
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"""entry point"""
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if self.task:
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self.task.send_progress(["Scanning your archive and index."])
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self.scan()
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self.rename_files()
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self.send_mismatch_bulk()
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self.delete_from_index()
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self.add_missing()
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def rename_files(self):
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"""rename media files as identified by find_bad_media_url"""
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if not self.to_rename:
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return
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total = len(self.to_rename)
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if self.task:
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self.task.send_progress([f"Rename {total} media files."])
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for bad_filename in self.to_rename:
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channel, filename, expected_filename = bad_filename
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print(f"renaming [{filename}] to [{expected_filename}]")
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old_path = os.path.join(self.VIDEOS, channel, filename)
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new_path = os.path.join(self.VIDEOS, channel, expected_filename)
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os.rename(old_path, new_path)
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def send_mismatch_bulk(self):
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"""build bulk update"""
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if not self.mismatch:
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return
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total = len(self.mismatch)
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if self.task:
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self.task.send_progress([f"Fix media urls for {total} files"])
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bulk_list = []
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for video_mismatch in self.mismatch:
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youtube_id, media_url = video_mismatch
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print(f"{youtube_id}: fixing media url {media_url}")
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action = {"update": {"_id": youtube_id, "_index": "ta_video"}}
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source = {"doc": {"media_url": media_url}}
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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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data = "\n".join(bulk_list)
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_, _ = ElasticWrap("_bulk").post(data=data, ndjson=True)
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def delete_from_index(self):
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"""find indexed but deleted mediafile"""
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if not self.to_delete:
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return
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total = len(self.to_delete)
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if self.task:
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self.task.send_progress([f"Clean up {total} items from index."])
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for indexed in self.to_delete:
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youtube_id = indexed[0]
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print(f"deleting {youtube_id} from index")
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path = f"ta_video/_doc/{youtube_id}"
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_, _ = ElasticWrap(path).delete()
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def add_missing(self):
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"""add missing videos to index"""
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video_ids = [i[2] for i in self.to_index]
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if not video_ids:
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return
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total = len(video_ids)
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for idx, youtube_id in enumerate(video_ids):
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if self.task:
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self.task.send_progress(
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message_lines=[
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f"Index missing video {youtube_id}, {idx}/{total}"
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],
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progress=(idx + 1) / total,
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)
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index_new_video(youtube_id)
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CommentList(video_ids, task=self.task).index()
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