From: kaliko Date: Sat, 10 Feb 2024 16:48:34 +0000 (+0100) Subject: Cleanup PlayerError exception wrapper X-Git-Url: https://git.kaliko.me/?a=commitdiff_plain;ds=inline;p=mpd-sima.git Cleanup PlayerError exception wrapper --- diff --git a/sima/mpdclient.py b/sima/mpdclient.py index b50df91..99f6947 100644 --- a/sima/mpdclient.py +++ b/sima/mpdclient.py @@ -1,5 +1,5 @@ # -*- coding: utf-8 -*- -# Copyright (c) 2009-2021 kaliko +# Copyright (c) 2009-2022, 2024 kaliko # # This file is part of sima # @@ -31,6 +31,7 @@ from .lib.meta import Meta, Artist, Album from .lib.track import Track from .lib.simastr import SimaStr from .utils.leven import levenshtein_ratio +from .utils.utils import get_decorator # Some decorators @@ -76,6 +77,9 @@ def tracks_wrapper(func): return Track(**ret) return [Track(**t) for t in ret] return wrapper + +# Decorator to wrap non MPDError exceptions from musicpd in PlayerError +we = get_decorator(errors=(OSError, TimeoutError), wrap_into=PlayerError) # / decorators @@ -116,15 +120,13 @@ class MPD(MPDClient): self._cache = None # ######### Overriding MPDClient ########### + @we def __getattr__(self, cmd): """Wrapper around MPDClient calls for abstract overriding""" track_wrapped = {'currentsong', 'find', 'playlistinfo', } - try: - if cmd in track_wrapped: - return tracks_wrapper(super().__getattr__(cmd)) - return super().__getattr__(cmd) - except OSError as err: # socket errors - raise PlayerError(err) from err + if cmd in track_wrapped: + return tracks_wrapper(super().__getattr__(cmd)) + return super().__getattr__(cmd) def disconnect(self): """Overriding explicitly MPDClient.disconnect()""" @@ -139,23 +141,9 @@ class MPD(MPDClient): port = mpd_config.get('port') password = mpd_config.get('password', fallback=None) self.disconnect() - try: - super().connect(host, port) - # Catch socket errors - except OSError as err: - raise PlayerError(f'Could not connect to "{host}:{port}": {err.strerror}' - ) from err - # Catch all other possible errors - # ConnectionError and ProtocolError are always fatal. Others may not - # be, but we don't know how to handle them here, so treat them as if - # they are instead of ignoring them. - except PlayerError as err: - raise PlayerError(f'Could not connect to "{host}:{port}": {err}') from err + super().connect(host, port) if password: - try: - self.password(password) - except OSError as err: - raise PlayerError(f"Could not connect to '{host}': {err}") from err + self.password(password) # Controls we have sufficient rights available_cmd = self.commands() for cmd in MPD.needed_cmds: @@ -219,6 +207,7 @@ class MPD(MPDClient): return False return self.current.id != previous.id # pylint: disable=no-member + @we def monitor(self): """Monitor player for change Returns a list a events among: @@ -231,21 +220,18 @@ class MPD(MPDClient): """ curr = self.current select_timeout = 5 - try: # noidle cmd does not go through __getattr__, need to catch OSError then - while True: - self.send_idle('database', 'playlist', 'player', 'options') - _read, _, _ = select([self], [], [], select_timeout) - if _read: # tries to read response - ret = self.fetch_idle() - if self._skipped_track(curr): - ret.append('skipped') - if 'database' in ret: - self._reset_cache() - return ret - # Nothing to read, canceling idle - self.noidle() - except OSError as err: - raise PlayerError(err) from err + while True: + self.send_idle('database', 'playlist', 'player', 'options') + _read, _, _ = select([self], [], [], select_timeout) + if _read: # tries to read response + ret = self.fetch_idle() + if self._skipped_track(curr): + ret.append('skipped') + if 'database' in ret: + self._reset_cache() + return ret + # Nothing to read, canceling idle + self.noidle() def clean(self): """Clean blocking event (idle) and pending commands @@ -255,6 +241,7 @@ class MPD(MPDClient): elif self._pending: self.log.warning('pending commands: %s', self._pending) + @we def add(self, payload): """Overriding MPD's add method to accept Track objects diff --git a/sima/utils/utils.py b/sima/utils/utils.py index c148892..cb67263 100644 --- a/sima/utils/utils.py +++ b/sima/utils/utils.py @@ -1,6 +1,6 @@ # -*- coding: utf-8 -*- # -# Copyright (c) 2010, 2011, 2013, 2014, 2015, 2020, 2021 kaliko +# Copyright (c) 2010, 2011, 2013, 2014, 2015, 2020, 2021, 2024 kaliko # # This file is part of sima # @@ -214,5 +214,21 @@ class WSHTTPError(WSError): class PluginException(MPDSimaException): pass + +# Wrap Exception decorator +def get_decorator(errors=(OSError, TimeoutError), wrap_into=Exception): + def decorator(func): + def w_func(*args, **kwargs): + try: + return func(*args, **kwargs) + except errors as err: + strerr = str(err) + if hasattr(err, 'strerror'): + if err.strerror: + strerr = err.strerror + raise wrap_into(strerr) from err + return w_func + return decorator + # VIM MODLINE # vim: ai ts=4 sw=4 sts=4 expandtab