From: Christian Heller Date: Thu, 21 Nov 2024 06:27:07 +0000 (+0100) Subject: Prepare sync infrastructure. X-Git-Url: https://plomlompom.com/repos/te"st.html?a=commitdiff_plain;p=ytplom Prepare sync infrastructure. --- diff --git a/templates/playlist.tmpl b/templates/playlist.tmpl index aee1dee..70aaa43 100644 --- a/templates/playlist.tmpl +++ b/templates/playlist.tmpl @@ -44,6 +44,7 @@ td.history { width: 50%; } + {% for prev_title, next_title in tuples %} diff --git a/ytplom.py b/ytplom.py index 9a204f6..a3f4c79 100755 --- a/ytplom.py +++ b/ytplom.py @@ -1,15 +1,14 @@ #!/usr/bin/env python3 """Minimalistic download-focused YouTube interface.""" from threading import Thread -from ytplom.misc import DownloadsDb, HTTP_PORT, Player, Server, TaskHandler +from ytplom.misc import DownloadsDb, HTTP_PORT, Server, TaskHandler if __name__ == '__main__': downloads_db = DownloadsDb() downloads_db.clean_unfinished() Thread(target=downloads_db.download_loop, daemon=False).start() - server = Server(Player(), downloads_db, ('localhost', HTTP_PORT), - TaskHandler) + server = Server(downloads_db, ('0.0.0.0', HTTP_PORT), TaskHandler) print(f'running at port {HTTP_PORT}') try: server.serve_forever() diff --git a/ytplom/misc.py b/ytplom/misc.py index 639acdf..5f69085 100644 --- a/ytplom/misc.py +++ b/ytplom/misc.py @@ -132,11 +132,12 @@ def _ensure_expected_dirs(expected_dirs: list[PathStr]) -> None: class DatabaseConnection: """Wrapped sqlite3.Connection.""" - def __init__(self) -> None: - if not path_exists(PATH_DB): - with sql_connect(PATH_DB) as conn: + def __init__(self, path: PathStr = PATH_DB) -> None: + self._path = path + if not path_exists(self._path): + with sql_connect(self._path) as conn: conn.executescript(SCRIPT_INIT_DB) - self._conn = sql_connect(PATH_DB) + self._conn = sql_connect(self._path) def exec(self, sql: SqlText, inputs: tuple[Any, ...] = tuple()) -> Cursor: """Wrapper around sqlite3.Connection.execute.""" @@ -153,6 +154,14 @@ class DbData: _table_name: str _cols: tuple[str, ...] + def __eq__(self, other: Any) -> bool: + if not isinstance(other, self.__class__): + return False + for attr_name in self._cols: + if getattr(self, attr_name) != getattr(other, attr_name): + return False + return True + @classmethod def _from_table_row(cls, row: Row) -> Self: kwargs = {} @@ -284,11 +293,7 @@ class VideoFile(DbData): def __init__(self, rel_path: PathStr, yt_id: YoutubeId) -> None: self.rel_path = rel_path self.yt_id = yt_id - - def remove(self, conn: DatabaseConnection) -> None: - """Remove self from database by self.rel_path as identifier.""" - sql = SqlText(f'DELETE FROM {self._table_name} WHERE rel_path = ?') - conn.exec(SqlText(sql), (self.rel_path,)) + self.missing = False class QuotaLog(DbData): @@ -330,15 +335,19 @@ class QuotaLog(DbData): class Player: """MPV representation with some additional features.""" + _idx: int def __init__(self) -> None: self.last_update = PlayerUpdateId('') + self._load_filenames() + self._mpv: Optional[MPV] = None + + def _load_filenames(self) -> None: self._filenames = [PathStr(e.path) for e in scandir(PATH_DOWNLOADS) if isfile(e.path) and splitext(e.path)[1][1:] in LEGAL_EXTENSIONS] shuffle(self._filenames) - self._idx: int = 0 - self._mpv: Optional[MPV] = None + self._idx = 0 @property def _mpv_available(self) -> bool: @@ -375,6 +384,12 @@ class Player: self._mpv.playlist_append(path) self._mpv.playlist_play_index(self._idx) + @_if_mpv_available + def _kill_mpv(self) -> None: + assert self._mpv is not None + self._mpv.terminate() + self._mpv = None + @property def current_filename(self) -> Optional[PathStr]: """Return what we assume is the name of the currently playing file.""" @@ -408,9 +423,7 @@ class Player: def toggle_run(self) -> None: """Toggle player running.""" if self._mpv_available: - assert self._mpv is not None - self._mpv.terminate() - self._mpv = None + self._kill_mpv() else: self._start_mpv() self._signal_update() @@ -441,6 +454,13 @@ class Player: else: self._mpv.playlist_play_index(max_idx) + def reload(self) -> None: + """Close MPV, re-read (and re-shuffle) filenames, then re-start MPV.""" + self._kill_mpv() + self._load_filenames() + self._start_mpv() + self._signal_update() + class DownloadsDb: """Collections downloading-related stuff.""" @@ -455,10 +475,6 @@ class DownloadsDb: files_via_db = VideoFile.get_all(conn) old_cwd = getcwd() chdir(PATH_DOWNLOADS) - for file in files_via_db: - if not isfile(path_join(file.rel_path)): - print(f'SYNC: no file {file.rel_path} found, removing entry.') - file.remove(conn) paths = [file.rel_path for file in files_via_db] for path in [PathStr(e.path) for e in scandir() if isfile(e.path)]: if path not in paths: @@ -466,8 +482,11 @@ class DownloadsDb: file = VideoFile(path, yt_id) print(f'SYNC: new file {path}, saving with YT ID "{yt_id}".') file.save(conn) - chdir(old_cwd) self._files = VideoFile.get_all(conn) + for file in self._files: + if not isfile(path_join(file.rel_path)): + file.missing = True + chdir(old_cwd) conn.commit_close() @staticmethod @@ -479,6 +498,12 @@ class DownloadsDb: before_ext = splitext(before_ext)[0] return YoutubeId(before_ext.split('[')[-1].split(']')[0]) + @property + def missing(self) -> list[PathStr]: + """Return relative paths of files known but not in PATH_DOWNLOADS.""" + self._sync_db() + return [f.rel_path for f in self._files if f.missing] + @property def ids_to_paths(self) -> DownloadsIndex: """Return mapping YoutubeIds:paths of files downloaded to them.""" @@ -513,6 +538,7 @@ class DownloadsDb: video_id = self._to_download.pop(0) with YoutubeDL(YT_DL_PARAMS) as ydl: ydl.download([f'{YOUTUBE_URL_PREFIX}{video_id}']) + self._sync_db() def download_loop(self) -> None: """Keep iterating through download queue for new download tasks.""" @@ -524,13 +550,9 @@ class DownloadsDb: class Server(HTTPServer): """Extension of HTTPServer providing for Player and DownloadsDb.""" - def __init__(self, - player: Player, - downloads_db: DownloadsDb, - *args, **kwargs - ) -> None: + def __init__(self, downloads_db: DownloadsDb, *args, **kwargs) -> None: super().__init__(*args, **kwargs) - self.player = player + self.player = Player() self.downloads = downloads_db @@ -572,7 +594,9 @@ class TaskHandler(BaseHTTPRequestHandler): self.server.player.next() elif 'stop' in commands: self.server.player.toggle_run() - sleep(0.5) # avoid reload happening before current_file update + elif 'reload' in commands: + self.server.player.reload() + sleep(0.5) # avoid redir happening before current_file update self._send_http(headers=[('Location', '/')], code=302) def _post_query(self, query_txt: QueryText) -> None: @@ -637,6 +661,8 @@ class TaskHandler(BaseHTTPRequestHandler): self._send_videos_index() elif 'video_about' == page_name: self._send_video_about(YoutubeId(toks_url[2])) + elif 'missing.json' == page_name: + self._send_missing_json() elif 'query' == page_name: self._send_query_page(QueryId(toks_url[2])) elif 'queries' == page_name: @@ -728,6 +754,11 @@ class TaskHandler(BaseHTTPRequestHandler): videos.sort(key=lambda t: t[1]) self._send_rendered_template(NAME_TEMPLATE_VIDEOS, {'videos': videos}) + def _send_missing_json(self) -> None: + self._send_http( + bytes(json_dumps(self.server.downloads.missing), 'utf8'), + headers=[('Content-type', 'application/json')]) + def _send_last_playlist_update(self) -> None: payload: dict[str, PlayerUpdateId] = { 'last_update': self.server.player.last_update}