def delete_song(self, event):
if event.songdbid == self.id:
try:
self._delete_song(event.song)
except:
log.debug_traceback()
pass
def _receiveobject(self):
line = self.rfile.readline()
# atype = type
if not line: return None, None
try:
log.debug("server: request type received")
type, bytes = line.split()
bytes = int(bytes)
log.debug("type=%s, bytes=%d" % (type, bytes))
if type != _SENDFILE:
objbytes = self.rfile.read(bytes + 2)
log.debug(str(objbytes.__class__))
objbytes = objbytes[:-2]
log.debug("server: object received")
obj = loads(objbytes)
log.debug("server receive: type=%s object=%s" %
(type, repr(obj)))
return (type, obj)
else:
# we handle send file requests separately
filename = self.rfile.readline()
tmpfilename = tempfile.mktemp()
bytes = bytes - len(filename) - 2
tmpfile = open(tmpfilename, "w")
while bytes > 2:
rbytes = min(bytes, 4096)
tmpfile.write(self.rfile.read(rbytes))
bytes -= rbytes
self.rfile.read(2)
return (type, tmpfilename)
except Exception as e:
log.debug("exception '%s' occured during _receiveobject" % e)
log.debug_traceback()
return (None, None)
def opendevice(self):
errorlogged = False
while self.audiodev is None:
try:
if self.aodevice == "oss":
if ossaudiodev_present:
self.audiodev = ossaudiodev(self.aooptions["dsp"],
self.rate)
log.debug("ossaudiodev audio device opened")
else:
self.audiodev = aoaudiodev(self.aodevice,
rate=self.rate,
options=self.aooptions)
log.debug("ao audio device opened")
else:
self.audiodev = aoaudiodev(self.aodevice,
rate=self.rate,
options=self.aooptions)
log.debug("ao audio device opened")
except Exception as e:
if not errorlogged:
log.debug_traceback()
log.error(_('cannot open audio device: error "%s"') % e)
errorlogged = True
time.sleep(1)
def _receiveobject(self):
line = self.rfile.readline()
# atype = type
if not line: return None, None
try:
log.debug("server: request type received")
type, bytes = line.split()
bytes = int(bytes)
log.debug("type=%s, bytes=%d" %( type, bytes))
if type != _SENDFILE:
objbytes = self.rfile.read(bytes+2)
log.debug(str(objbytes.__class__))
objbytes = objbytes[:-2]
log.debug("server: object received")
obj = loads(objbytes)
log.debug("server receive: type=%s object=%s" % (type, repr(obj)))
return (type, obj)
else:
# we handle send file requests separately
filename = self.rfile.readline()
tmpfilename = tempfile.mktemp()
bytes = bytes-len(filename)-2
tmpfile = open(tmpfilename, "w")
while bytes>2:
rbytes = min(bytes, 4096)
tmpfile.write(self.rfile.read(rbytes))
bytes -= rbytes
self.rfile.read(2)
return (type, tmpfilename)
except Exception as e:
log.debug("exception '%s' occured during _receiveobject" % e)
log.debug_traceback()
return (None, None)
def add_song(self, event):
if event.songdbid == self.id:
try:
self._add_song(event.song)
except KeyError:
log.debug_traceback()
pass
def gettag_id(self, request):
if self.id != request.songdbid:
raise hub.DenyRequest
try:
return self._gettag_id(request.tag_name)
except:
log.debug_traceback()
return None
def _sendobject(self, type, obj):
log.debug("client send: type=%s object=%s" % (type, obj))
try:
objbytes = pickle.dumps(obj, pickle.HIGHEST_PROTOCOL)
except Exception as e:
log.debug_traceback()
self.wfile.write(b"%b %d\r\n%b\r\n" % (type, len(objbytes), objbytes))
self.wfile.flush()
def getalbums(self, request):
if self.id != request.songdbid:
raise hub.DenyRequest
try:
return self._getalbums(request.filters)
except KeyError:
log.debug_traceback()
return []
def _sendobject(self, type, obj):
log.debug("client send: type=%s object=%s" % (type, obj))
try:
objbytes = pickle.dumps(obj, pickle.HIGHEST_PROTOCOL)
except Exception as e:
log.debug_traceback()
self.wfile.write(b"%b %d\r\n%b\r\n" % (type, len(objbytes), objbytes))
self.wfile.flush()
def getsongs(self, request):
if self.id != request.songdbid:
raise hub.DenyRequest
try:
return self._getsongs(request.sort, request.filters)
except (KeyError, AttributeError, TypeError):
log.debug_traceback()
return []
def run(self):
# main loop of the service
while not self.done:
# process events and catch all unhandled exceptions
try:
self.work()
except Exception, e:
log.debug_traceback()
self.resetafterexception()
def metadata_from_file(relpath, basedir, tracknrandtitlere, postprocessors):
""" create song metadata from given file with relative (to basedir) path
relpath applying the given list of postprocessors"""
path = os.path.normpath(os.path.join(basedir, relpath))
if not os.access(path, os.R_OK):
raise IOError("cannot read song")
md = song_metadata()
md.size = os.stat(path).st_size
md.type = gettype(os.path.splitext(path)[1])
read_path_metadata(md, relpath, tracknrandtitlere)
try:
metadatadecoder = getmetadatadecoder(md.type)
except:
raise RuntimeError("Support for %s songs not enabled" % md.type)
try:
log.debug("reading metadata for %r" % path)
metadatadecoder(md, path)
log.debug("metadata for %r read successfully" % path)
except:
log.warning("could not read metadata for %r" % path)
log.debug_traceback()
# strip leading and trailing whitespace
if md.title:
md.title = md.title.strip()
if md.artist:
md.artist = md.artist.strip()
if md.album:
md.album = md.album.strip()
if md.length is None:
log.warning("could not read length of song %r" % path)
raise RuntimeError("could not read length of song %r" % path)
for postprocessor_name in postprocessors:
try:
get_metadata_postprocessor(postprocessor_name)(md)
except:
log.warning("Postprocessing of song %r metadata with '%r' failed" % (path, postprocessor_name))
log.debug_traceback()
# set album_artist if not present
if md.album_artist is None:
if md.compilation:
md.album_artist = VARIOUS
else:
md.album_artist = md.artist
return md
def run(self):
while not self.done:
try:
if self.ispaused:
self.restart.wait()
self.restart.clear()
buff, bytes = self.queue.get(1)
if buff != 0 and bytes != 0:
audiodev = self.audiodev
while audiodev is None:
self.opendevice()
audiodev = self.audiodev
audiodev.play(buff, bytes)
except:
log.warning("exception occured in bufferedaudiodev")
log.debug_traceback()
def run(self):
while not self.done:
try:
if self.ispaused:
self.restart.wait()
self.restart.clear()
buff, bytes = self.queue.get(1)
if buff != 0 and bytes != 0:
audiodev = self.audiodev
while audiodev is None:
self.opendevice()
audiodev = self.audiodev
audiodev.play(buff, bytes)
except:
log.warning("exception occured in bufferedaudiodev")
log.debug_traceback()
def opendevice(self):
errorlogged = False
while self.audiodev is None:
try:
if self.aodevice=="oss":
if ossaudiodev_present:
self.audiodev = ossaudiodev(self.aooptions["dsp"], self.rate)
log.debug("ossaudiodev audio device opened")
else:
self.audiodev = aoaudiodev(self.aodevice, rate=self.rate, options=self.aooptions)
log.debug("ao audio device opened")
else:
self.audiodev = aoaudiodev(self.aodevice, rate=self.rate, options=self.aooptions)
log.debug("ao audio device opened")
except Exception, e:
if not errorlogged:
log.debug_traceback()
log.error(_('cannot open audio device: error "%s"') % e)
errorlogged = True
time.sleep(1)
def _getsong_metadata(self, song_id):
"""return song entry with given song_id"""
log.debug("Querying song metadata for id=%r" % song_id)
try:
r = self.con.execute(self._song_select, [song_id]).fetchone()
if r:
# fetch album artist
if r["album_artist_id"] is not None:
select = """SELECT name FROM artists WHERE id = ?"""
album_artist = self.con.execute(select, (r["album_artist_id"],)).fetchone()["name"]
else:
album_artist = None
# fetch tags
tags = []
for tr in self.con.execute(self._song_tags_select, [song_id]):
tags.append(tr["name"])
# fetch playstats
dates_played = []
for tr in self.con.execute(self._song_playstats_select, [song_id]):
dates_played.append(tr["date_played"])
# generate and populate metadata
md = metadata.song_metadata()
for field in songcolumns_plain:
md[field] = r[field]
md.album = r["album"]
md.artist = r["artist"]
md.album_artist = album_artist
md.tags = tags
md.comments = loads(r["comments"])
md.lyrics = loads(r["lyrics"])
md.dates_played = dates_played
return md
else:
log.debug("Song '%d' not found in database" % song_id)
return None
except:
log.debug_traceback()
return None
def rescansong(self, song, force):
if song.songdbid != self.songdbid:
log.debug("Trying to rescan song in wrong database")
return
if song.song_metadata is None:
song.song_metadata = self._request(requests.getsong_metadata(self.songdbid, song.id))
if song.song_metadata is None:
log.debug("Song not found in database")
return
if not song.url.startswith("file://"):
log.debug("Can only rescan local files")
return
relpath = encoding.encode_path(song.url[7:])
path = os.path.join(self.basedir, relpath)
try:
if force or song_metadata.date_updated < os.stat(path).st_mtime:
newsong_metadata = metadata.metadata_from_file(relpath, self.basedir, self.tracknrandtitlere, self.postprocessors)
song.song_metadata.update(newsong_metadata)
self._notify(events.update_song(self.songdbid, song))
except (IOError, OSError):
log.debug_traceback()
# if anything goes wrong, we delete the song from the database
self._notify(events.delete_song(self.songdbid, song))
# to the two possible locations. Setting sys.path correspondingly
# would not work, however, since then the plugin could not
# import its needed modules.
fp, pathname, description = imp.find_module(name, pluginpath)
pluginmodule = imp.load_module(name, fp, pathname, description)
#
# process configuration of plugin
pluginconfig = pluginmodule.config
if pluginconfig is not None:
config.readconfigsection("plugin.%s" % name, pluginconfig)
config.finishconfigsection(pluginconfig)
pluginconfig = pluginconfig()
plugins.append((pluginmodule, pluginconfig))
except Exception, e:
log.error(_("Cannot load plugin '%s': %s") % (name, e))
log.debug_traceback()
# initialize song database manager and start it immediately so
# that it can propagate quit events in case something goes wrong
# when setting up the databases
songdbmanager = services.songdb.songdbmanager()
songdbmanager.start()
# song databases
songdbids = []
for songdbname in config.database.getsubsections():
try:
songdbid = songdbmanager.addsongdb(songdbname, config.database[songdbname])
if songdbid:
songdbids.append(songdbid)
except Exception, e:
def _sendobject(self, type, obj):
log.debug("client send: type=%s object=%s" % (type, obj))
try:
objstring = cPickle.dumps(obj, cPickle.HIGHEST_PROTOCOL)
except Exception, e:
log.debug_traceback()
break
else:
log.error(_("Cannot find plugin '%s'") % name)
continue
# process configuration of plugin
pluginconfig = pluginmodule.config
if pluginconfig is not None:
config.readconfigsection("plugin.%s" % name, pluginconfig)
config.finishconfigsection(pluginconfig)
pluginconfig = pluginconfig()
plugins.append((pluginmodule, pluginconfig))
log.info(_("Plugin '%s' loaded" % name))
except Exception as e:
log.error(_("Cannot load plugin '%s': %s") % (name, e))
log.debug_traceback()
# initialize song database manager and start it immediately so
# that it can propagate quit events in case something goes wrong
# when setting up the databases
songdbmanager = services.songdb.songdbmanager()
songdbmanager.start()
# song databases
songdbids = []
for songdbname in config.database.getsubsections():
try:
songdbid = songdbmanager.addsongdb(songdbname,
config.database[songdbname])
if songdbid:
songdbids.append(songdbid)
def initplayer(id, config):
""" initialize player with id defined by config
return id (or None if player is turned off)
"""
# only the first player has a playlist
if id == "main":
playlistid = "main"
else:
playlistid = None
type = config.type
if type=="off":
return None
elif type=="internal":
import players.internal
driver = config.driver
if driver in ("alsa09", "alsa"):
aooptions = {"dev": config.device}
elif driver=="oss":
aooptions = {"dsp": config.device}
elif driver=="sun":
aooptions = {"dev": config.device}
else:
aooptions = {}
# add options given by user in config file
for aooption in config.aooptions.split():
key, value = aooption.split("=")
aooptions[key] = value
try:
p = players.internal.player(id,
playlistid,
autoplay=config.autoplay,
aodevice=driver,
aooptions=aooptions,
bufsize=config.bufsize,
crossfading=config.crossfading,
crossfadingstart=config.crossfadingstart,
crossfadingduration=config.crossfadingduration,
)
except:
log.debug_traceback()
raise RuntimeError("Cannot initialize %s player: type=internal, device=%s" % (id, config.device))
elif type=="xmms":
import players.xmmsplayer
try:
p = players.xmmsplayer.player(id,
playlistid,
autoplay=config.autoplay,
session=config.session,
noqueue=config.noqueue)
except:
log.debug_traceback()
raise RuntimeError("Cannot initialize %s player: type=xmms, session=%d" % (id, config.session))
elif type=="mpg123":
import players.mpg123
try:
p = players.mpg123.player(id,
playlistid,
autoplay=config.autoplay,
cmdline=config.cmdline)
except:
log.debug_traceback()
raise RuntimeError("Cannot initialize %s player: type=mpg123, cmdline=%s" % (id, config.cmdline))
elif type=="remote":
import players.remote
try:
p = players.remote.player(id, playlistid, config.networklocation)
except:
log.debug_traceback()
raise RuntimeError("Cannot initialize %s player: type=remote, location=%s" % (id, config.networklocation))
p.setName("player thread (id=%s)" % id)
if type != "remote" and id == "main":
services.playlist.initplaylist(id, id, id)
# start player only after the playlist service has been started since
# playlist requests may already be issued during the player startup
p.start()
return id
