tubearchivist/backend/appsettings/src/filesystem.py

159 lines
4.8 KiB
Python

"""
Functionality:
- scan the filesystem to delete or index
"""
import os
from appsettings.src.config import AppConfig
from common.src.env_settings import EnvironmentSettings
from common.src.es_connect import IndexPaginate
from common.src.helper import ignore_filelist, rand_sleep
from video.src.comments import Comments
from video.src.index import YoutubeVideo, index_new_video
from video.src.meta_embed import IndexFromEmbed
class Scanner:
"""scan index and filesystem"""
VIDEOS: str = EnvironmentSettings.MEDIA_DIR
def __init__(
self,
task=False,
ignore_error: bool = False,
prefer_local: bool = False,
) -> None:
self.task = task
self.ignore_error = ignore_error
self.prefer_local = prefer_local
self.config = None
self.to_delete: set[tuple[str, str]] = set()
self.to_index: set[tuple[str, str]] = set()
def scan(self) -> None:
"""scan the filesystem"""
downloaded = self._get_downloaded()
indexed = self._get_indexed()
self.to_index = downloaded - indexed
self.to_delete = indexed - downloaded
def _get_downloaded(self) -> set[tuple[str, str]]:
"""get downloaded ids"""
if self.task:
self.task.send_progress(["Scan your filesystem for videos."])
downloaded: set = set()
channels = ignore_filelist(os.listdir(self.VIDEOS))
for channel in channels:
folder = os.path.join(self.VIDEOS, channel)
files = ignore_filelist(os.listdir(folder))
downloaded.update(
{
(i.split(".")[0], f"{channel}/{i}")
for i in files
if i.endswith(".mp4")
}
)
return downloaded
def _get_indexed(self) -> set[tuple[str, str]]:
"""get all indexed ids"""
if self.task:
self.task.send_progress(["Get all videos indexed."])
data = {
"query": {"match_all": {}},
"_source": ["youtube_id", "media_url"],
}
response = IndexPaginate("ta_video", data).get_results()
return {(i["youtube_id"], i["media_url"]) for i in response}
def apply(self) -> None:
"""apply all changes"""
if not self.config:
self.config = AppConfig().config
self.delete()
self.index()
def delete(self) -> None:
"""delete videos from index"""
if not self.to_delete:
print("[scanner] nothing to delete")
return
if self.task:
self.task.send_progress(
[f"Remove {len(self.to_delete)} videos from index."]
)
for youtube_id, _ in self.to_delete:
YoutubeVideo(youtube_id).delete_media_file()
def index(self) -> None:
"""index new"""
if not self.to_index:
print("[scanner] nothing to index")
return
total = len(self.to_index)
for idx, (youtube_id, media_url) in enumerate(self.to_index):
self._notify(total, youtube_id, idx)
file_path = os.path.join(self.VIDEOS, media_url)
if self.prefer_local:
# try index from embed
json_data = IndexFromEmbed(
file_path, use_user_conf=True, config=self.config
).run_index()
if json_data:
continue
try:
# try index from remote
json_data = index_new_video(youtube_id)
Comments(youtube_id).build_json(upload=True)
YoutubeVideo(youtube_id).embed_metadata()
rand_sleep(self.config)
except ValueError as err:
# fallback from index from embed
json_data = IndexFromEmbed(
file_path, use_user_conf=True, config=self.config
).run_index()
if json_data:
continue
if self.ignore_error:
self._notify_error(youtube_id)
rand_sleep(self.config)
continue
raise ValueError from err
def _notify(self, total, youtube_id, idx):
"""send notification"""
if not self.task:
return
self.task.send_progress(
message_lines=[
f"Index missing video {youtube_id}, {idx + 1}/{total}"
],
progress=(idx + 1) / total,
)
def _notify_error(self, youtube_id):
"""notify error"""
if not self.task:
return
message = f"[scanner] Failed to index {youtube_id}, no metadata"
print(f"[scanner] {message}")
self.task.send_progress(
message_lines=[message, "Continue..."],
level="error",
)