Clementine-audio-player-Mac.../scripts/digitallyimported-radio/servicebase.py

235 lines
7.4 KiB
Python

import clementine
import PythonQt
from PythonQt.QtCore import QSettings, QUrl
from PythonQt.QtGui import QAction, QDesktopServices, QIcon, QMenu, \
QStandardItem
from PythonQt.QtNetwork import QNetworkRequest
import json
import logging
import operator
import os.path
import weakref
LOGGER = logging.getLogger("di.servicebase")
class DigitallyImportedUrlHandler(clementine.UrlHandler):
def __init__(self, url_scheme, service):
clementine.UrlHandler.__init__(self, None)
# Avoid circular references
self.service_weakref = weakref.ref(service)
self.url_scheme = url_scheme
self.last_original_url = None
self.task_id = None
def scheme(self):
return self.url_scheme
def StartLoading(self, original_url):
if self.service_weakref() is None:
return
service = self.service_weakref()
result = clementine.UrlHandler_LoadResult()
if self.task_id is not None:
return result
if service.PLAYLISTS[service.audio_type]["premium"] and \
(len(service.username) == 0 or len(service.password) == 0):
service.StreamError(self.tr("You have selected a Premium-only audio type but do not have any account details entered"))
return result
key = original_url.host()
LOGGER.info("Loading station %s", key)
service.LoadStation(key)
# Save the original URL so we can emit it in the finished signal later
self.last_original_url = original_url
# Tell the user what's happening
self.task_id = clementine.task_manager.StartTask(self.tr("Loading stream"))
result.type_ = clementine.UrlHandler_LoadResult.WillLoadAsynchronously
result.original_url_ = original_url
return result
def LoadPlaylistFinished(self, reply):
if self.task_id is None:
return
if self.service_weakref() is None:
return
service = self.service_weakref()
# Stop the spinner in the status bar
clementine.task_manager.SetTaskFinished(self.task_id)
self.task_id = None
# Try to parse the playlist
parser = clementine.PlaylistParser(clementine.library)
songs = parser.LoadFromDevice(reply)
LOGGER.info("Loading station finished, got %d songs", len(songs))
# Failed to get the playlist?
if len(songs) == 0:
service.StreamError("Error loading playlist '%s'" % reply.url().toString())
return
result = clementine.UrlHandler_LoadResult()
result.original_url_ = self.last_original_url
# Take the first track in the playlist
result.type_ = clementine.UrlHandler_LoadResult.TrackAvailable
result.media_url_ = songs[0].url()
self.AsyncLoadComplete(result)
class DigitallyImportedServiceBase(clementine.RadioService):
# Set these in subclasses
HOMEPAGE_URL = None
HOMEPAGE_NAME = None
STREAM_LIST_URL = None
ICON_FILENAME = None
SERVICE_NAME = None
SERVICE_DESCRIPTION = None
PLAYLISTS = []
URL_SCHEME = None
SETTINGS_GROUP = "digitally_imported"
def Init(self, model, settings_dialog_callback):
clementine.RadioService.__init__(self, self.SERVICE_NAME, model)
# We must hold a weak reference to the callback or else it makes a circular
# reference between the services and Plugin from main.py.
self.settings_dialog_callback = weakref.ref(settings_dialog_callback)
self.url_handler = DigitallyImportedUrlHandler(self.URL_SCHEME, self)
clementine.player.RegisterUrlHandler(self.url_handler)
self.network = clementine.NetworkAccessManager(None)
self.path = os.path.dirname(__file__)
self.audio_type = 0
self.username = ""
self.password = ""
self.context_index = None
self.menu = None
self.root = None
self.task_id = None
self.refresh_streams_reply = None
self.load_station_reply = None
self.items = []
self.ReloadSettings()
def ReloadSettings(self):
settings = QSettings()
settings.beginGroup(self.SETTINGS_GROUP)
self.audio_type = int(settings.value("audio_type", 0))
self.username = unicode(settings.value("username", ""))
self.password = unicode(settings.value("password", ""))
def CreateRootItem(self):
self.root = QStandardItem(QIcon(os.path.join(self.path, self.ICON_FILENAME)),
self.SERVICE_DESCRIPTION)
self.root.setData(True, clementine.RadioModel.Role_CanLazyLoad)
return self.root
def LazyPopulate(self, parent):
if parent == self.root:
# Download the list of streams the first time the user expands the root
self.RefreshStreams()
def ShowContextMenu(self, index, global_pos):
if not self.menu:
self.menu = QMenu()
for action in self.GetPlaylistActions():
self.menu.addAction(action)
self.menu.addAction(clementine.IconLoader.Load("download"),
self.tr("Open " + self.HOMEPAGE_NAME + " in browser"), self.Homepage)
self.menu.addAction(clementine.IconLoader.Load("view-refresh"),
self.tr("Refresh streams"), self.RefreshStreams)
self.menu.addSeparator()
self.menu.addAction(clementine.IconLoader.Load("configure"),
self.tr("Configure..."), self.settings_dialog_callback())
self.context_index = index
self.menu.popup(global_pos)
def GetCurrentIndex(self):
return self.context_index
def Homepage(self):
QDesktopServices.openUrl(self.HOMEPAGE_URL)
def RefreshStreams(self):
if self.task_id is not None:
return
LOGGER.info("Getting stream list from '%s'", self.STREAM_LIST_URL)
# Request the list of stations
self.refresh_streams_reply = self.network.get(QNetworkRequest(self.STREAM_LIST_URL))
self.refresh_streams_reply.connect("finished()", self.RefreshStreamsFinished)
# Give the user some indication that we're doing something
self.task_id = clementine.task_manager.StartTask(self.tr("Getting streams"))
def RefreshStreamsFinished(self):
if self.refresh_streams_reply is None:
return
if self.task_id is None:
return
# Stop the spinner in the status bar
clementine.task_manager.SetTaskFinished(self.task_id)
self.task_id = None
# Read the data and parse the json object inside
json_data = self.refresh_streams_reply.readAll().data()
streams = json.loads(json_data)
# Sort by name
streams = sorted(streams, key=operator.itemgetter("name"))
LOGGER.info("Loaded %d streams", len(streams))
# Now we have the list of streams, so clear any existing items in the list
# and insert the new ones
if self.root.hasChildren():
self.root.removeRows(0, self.root.rowCount())
for stream in streams:
song = clementine.Song()
song.set_title(stream["name"])
song.set_artist(self.SERVICE_DESCRIPTION)
song.set_url(QUrl("%s://%s" % (self.URL_SCHEME, stream["key"])))
item = QStandardItem(QIcon(":last.fm/icon_radio.png"), stream["name"])
item.setData(stream["description"], PythonQt.QtCore.Qt.ToolTipRole)
item.setData(clementine.RadioModel.PlayBehaviour_SingleItem, clementine.RadioModel.Role_PlayBehaviour)
item.setData(song, clementine.RadioModel.Role_SongMetadata)
self.root.appendRow(item)
# Keep references to the items otherwise Python will delete them
self.items.append(item)
def playlistitem_options(self):
return clementine.PlaylistItem.Options(clementine.PlaylistItem.PauseDisabled)
def LoadStation(self, key):
raise NotImplementedError()
def LoadPlaylistFinished(self):
self.url_handler.LoadPlaylistFinished(self.load_station_reply)