/usr/share/pyshared/quodlibet/browsers/iradio.py is in exfalso 2.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2011 Joe Wreschnig, Christoph Reiter
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
from __future__ import with_statement
import os
import bz2
import urllib2
import urllib
import itertools
import gobject
import gtk
from quodlibet import const
from quodlibet import qltk
from quodlibet import util
from quodlibet import config
from quodlibet.browsers._base import Browser
from quodlibet.formats.remote import RemoteFile
from quodlibet.formats._audio import TAG_TO_SORT, MIGRATE, AudioFile
from quodlibet.library import SongLibrary
from quodlibet.parse import Query
from quodlibet.qltk.getstring import GetStringDialog
from quodlibet.qltk.songsmenu import SongsMenu
from quodlibet.qltk.notif import Task
from quodlibet.util import copool, gobject_weak, sanitize_tags
from quodlibet.util.uri import URI
from quodlibet.qltk.views import AllTreeView
from quodlibet.qltk.searchbar import SearchBarBox
from quodlibet.qltk.completion import LibraryTagCompletion
from quodlibet.qltk.x import MenuItem
STATION_LIST_URL = "http://quodlibet.googlecode.com/files/radiolist.bz2"
STATIONS_FAV = os.path.join(const.USERDIR, "stations")
STATIONS_ALL = os.path.join(const.USERDIR, "stations_all")
# TODO: - Do the update in a thread
# - Ranking: reduce duplicate stations (max 3 URLs per station)
# prefer stations that match a genre?
class IRFile(RemoteFile):
multisong = True
can_add = False
format = "Radio Station"
__CAN_CHANGE = "title artist grouping".split()
def __call__(self, key, *args, **kwargs):
base_call = super(IRFile, self).__call__
if key == "title" and "title" not in self and "organization" in self:
return base_call("organization", *args, **kwargs)
# split title by " - " if no artist tag is present and
# this is not the main song: common format for shoutcast stations
if not self.multisong and key in ("title", "artist") and \
"title" in self and "artist" not in self:
title = base_call("title").split(" - ", 1)
if len(title) > 1:
return (key == "title" and title[-1]) or title[0]
if key == "~format" and "audio-codec" in self:
return "%s (%s)" % (self.format,
base_call("audio-codec", *args, **kwargs))
return base_call(key, *args, **kwargs)
def get(self, key, *args):
base_call = super(IRFile, self).get
if key in ("artist", TAG_TO_SORT["artist"]) and \
not base_call(key, *args) and "website" in self:
return base_call("website", *args)
return base_call(key, *args)
def write(self):
pass
def can_change(self, k=None):
if k is None:
return self.__CAN_CHANGE
else:
return k in self.__CAN_CHANGE
def ParsePLS(file):
data = {}
lines = file.readlines()
if not lines or "[playlist]" not in lines.pop(0): return []
for line in lines:
try: head, val = line.strip().split("=", 1)
except (TypeError, ValueError): continue
else:
head = head.lower()
if head.startswith("length") and val == "-1": continue
else: data[head] = val.decode('utf-8', 'replace')
count = 1
files = []
warnings = []
while True:
if "file%d" % count in data:
filename = data["file%d" % count].encode('utf-8', 'replace')
if filename.lower()[-4:] in [".pls", ".m3u"]:
warnings.append(filename)
else:
irf = IRFile(filename)
for key in ["title", "genre", "artist"]:
try: irf[key] = data["%s%d" % (key, count)]
except KeyError: pass
try: irf["~#length"] = int(data["length%d" % count])
except (KeyError, TypeError, ValueError): pass
files.append(irf)
else: break
count += 1
if warnings:
qltk.WarningMessage(
None, _("Unsupported file type"),
_("Station lists can only contain locations of stations, "
"not other station lists or playlists. The following locations "
"cannot be loaded:\n%s") % "\n ".join(map(util.escape, warnings))
).run()
return files
def ParseM3U(fileobj):
files = []
pending_title = None
for line in fileobj:
line = line.strip()
if line.startswith("#EXTINF:"):
try: pending_title = line.split(",", 1)[1]
except IndexError: pending_title = None
elif line.startswith("http"):
irf = IRFile(line)
if pending_title:
irf["title"] = pending_title.decode('utf-8', 'replace')
pending_title = None
files.append(irf)
return files
def add_station(uri):
"""Fetches the URI content and extracts IRFiles"""
irfs = []
if isinstance(uri, unicode):
uri = uri.encode('utf-8')
if uri.lower().endswith(".pls") or uri.lower().endswith(".m3u"):
try: sock = urllib.urlopen(uri)
except EnvironmentError, e:
try: err = e.strerror.decode(const.ENCODING, 'replace')
except (TypeError, AttributeError):
err = e.strerror[1].decode(const.ENCODING, 'replace')
qltk.ErrorMessage(None, _("Unable to add station"), err).run()
return []
if uri.lower().endswith(".pls"):
irfs = ParsePLS(sock)
elif uri.lower().endswith(".m3u"):
irfs = ParseM3U(sock)
sock.close()
else:
try:
irfs = [IRFile(uri)]
except ValueError, err:
qltk.ErrorMessage(None, _("Unable to add station"), err).run()
return irfs
def download_taglist(callback, cofuncid, step=1024 * 10):
"""Generator for loading the bz2 compressed tag list.
Calls callback with the decompressed data or None in case of
an error."""
with Task(_("Internet Radio"), _("Downloading station list")) as task:
if cofuncid: task.copool(cofuncid)
try:
response = urllib2.urlopen(STATION_LIST_URL)
except urllib2.URLError:
gobject.idle_add(callback, None)
return
try:
size = int(response.info().get("content-length", 0))
except ValueError:
size = 0
decomp = bz2.BZ2Decompressor()
data = ""
temp = ""
read = 0
while temp or not data:
read += len(temp)
if size: task.update(float(read) / size)
else: task.pulse()
yield True
try:
data += decomp.decompress(temp)
temp = response.read(step)
except (IOError, EOFError):
data = None
break
response.close()
yield True
stations = None
if data:
stations = parse_taglist(data)
gobject.idle_add(callback, stations)
def parse_taglist(data):
"""Parses a dump file like list of tags and returns a list of IRFiles
uri=http://...
tag=value1
tag2=value
tag=value2
uri=http://...
...
"""
stations = []
station = None
for l in data.split("\n"):
key = l.split("=")[0]
value = l.split("=", 1)[1]
if key == "uri":
if station:
stations.append(station)
station = IRFile(value)
continue
value = util.decode(value)
san = sanitize_tags({key: value}, stream=True).items()
if not san:
continue
key, value = san[0]
if isinstance(value, str):
value = value.decode("utf-8")
if value not in station.list(key):
station.add(key, value)
else:
station[key] = value
if station:
stations.append(station)
return stations
def sort_stations(station):
bitrate = station("~#bitrate", 96)
listeners = int(station("~listenerpeak", 20))
return (listeners >= 20, bitrate, listeners)
class AddNewStation(GetStringDialog):
def __init__(self, parent):
super(AddNewStation, self).__init__(
parent, _("New Station"),
_("Enter the location of an Internet radio station:"),
okbutton=gtk.STOCK_ADD)
def _verify_clipboard(self, text):
# try to extract an URI from the clipboard
for line in text.splitlines():
line = line.strip()
try:
URI(line)
except ValueError:
pass
else:
return line
class GenreFilter(object):
STAR = ["genre", "organization"]
# This probably needs improvements
GENRES = {
"electronic": (_("Electronic"),
"|(electr,house,techno,trance,/trip.?hop/,&(drum,n,bass),chill,"
"dnb,minimal,/down(beat|tempo)/,&(dub,step))"),
"rap": (_("Hip Hop / Rap"), "|(&(hip,hop),rap)"),
"oldies": (_("Oldies"), "|(/[2-9]0\S?s/,oldies)"),
"r&b": (_("R&B"), "/r(\&|n)b/"),
"japanese": (_("Japanese"), "|(anime,jpop,japan,jrock)"),
"indian": (_("Indian"), "|(bollywood,hindi,indian,bhangra)"),
"religious": (_("Religious"),
"|(religious,christian,bible,gospel,spiritual,islam)"),
"charts": (_("Charts"), "|(charts,hits,top)"),
"turkish": (_("Turkish"), "|(turkish,turkce)"),
"reggae": (_("Reggae / Dancehall"), "|(/reggae([^\w]|$)/,dancehall)"),
"latin": (_("Latin"), "|(latin,salsa)"),
"college": (_("College Radio"), "|(college,campus)"),
"talk_news": (_("Talk / News"), "|(news,talk)"),
"ambient": (_("Ambient"), "|(ambient,easy)"),
"jazz": (_("Jazz"), "|(jazz,swing)"),
"classical": (_("Classical"), "classic"),
"pop": (_("Pop"), None),
"alternative": (_("Alternative"), None),
"metal": (_("Metal"), None),
"country": (_("Country"), None),
"news": (_("News"), None),
"schlager": (_("Schlager"), None),
"funk": (_("Funk"), None),
"indie": (_("Indie"), None),
"blues": (_("Blues"), None),
"soul": (_("Soul"), None),
"lounge": (_("Lounge"), None),
"punk": (_("Punk"), None),
"reggaeton": (_("Reggaeton"), None),
"slavic": (_("Slavic"),
"|(narodna,albanian,manele,shqip,kosova)"),
"greek": (_("Greek"), None),
"gothic": (_("Gothic"), None),
"rock": (_("Rock"), None),
}
# parsing all above takes 350ms on an atom, so only generate when needed
__CACHE = {}
def keys(self):
return self.GENRES.keys()
def query(self, key):
if key not in self.__CACHE:
text, filter_ = self.GENRES[key]
if filter_ is None:
filter_ = key
self.__CACHE[key] = Query(filter_, star=self.STAR)
return self.__CACHE[key]
def text(self, key):
return self.GENRES[key][0]
class InternetRadio(gtk.VBox, Browser, util.InstanceTracker):
__gsignals__ = Browser.__gsignals__
__stations = None
__fav_stations = None
__librarian = None
__filter = None
name = _("Internet Radio")
accelerated_name = _("_Internet Radio")
priority = 16
headers = "title artist ~people grouping genre website ~format " \
"channel-mode ~listenerpeak".split()
TYPE, STOCK, KEY, NAME = range(4)
TYPE_FILTER, TYPE_ALL, TYPE_FAV, TYPE_SEP, TYPE_NOCAT = range(5)
STAR = ["artist", "title", "website", "genre", "comment"]
@classmethod
def _init(klass, library):
klass.__librarian = library.librarian
klass.__stations = SongLibrary("iradio-remote")
klass.__stations.load(STATIONS_ALL, skip=lambda x: True)
klass.__fav_stations = SongLibrary("iradio")
klass.__fav_stations.load(STATIONS_FAV, skip=lambda x: True)
klass.filters = GenreFilter()
@classmethod
def _destroy(klass):
if klass.__stations.dirty:
klass.__stations.save()
klass.__stations.destroy()
klass.__stations = None
if klass.__fav_stations.dirty:
klass.__fav_stations.save()
klass.__fav_stations.destroy()
klass.__fav_stations = None
klass.__librarian = None
klass.filters = None
def __inhibit(self):
self.view.get_selection().handler_block(self.__changed_sig)
def __uninhibit(self):
self.view.get_selection().handler_unblock(self.__changed_sig)
def __destroy(self, *args):
if not self.instances():
self._destroy()
def __init__(self, library, player):
super(InternetRadio, self).__init__(spacing=12)
if not self.instances():
self._init(library)
self._register_instance()
self.connect('destroy', self.__destroy)
completion = LibraryTagCompletion(self.__stations)
self.accelerators = gtk.AccelGroup()
self.__searchbar = search = SearchBarBox(completion=completion,
accel_group=self.accelerators)
gobject_weak(search.connect, 'query-changed', self.__filter_changed)
def focus(widget, *args):
qltk.get_top_parent(widget).songlist.grab_focus()
gobject_weak(search.connect, 'focus-out', focus, parent=self)
# alignment for search bar
search_align = gtk.Alignment(1, 1, 1, 1)
search_align.set_property('left-padding', 6)
search_align.add(search)
# left filter pane
self.__filter_pane = pane = gtk.VBox(spacing=6)
# new station button
add_button = qltk.Button(_("_New Station"),
gtk.STOCK_ADD, gtk.ICON_SIZE_MENU)
gobject_weak(add_button.connect, 'clicked', self.__add)
# treeview
scrolled_window = gtk.ScrolledWindow()
scrolled_window.set_shadow_type(gtk.SHADOW_IN)
self.view = view = AllTreeView()
view.set_headers_visible(False)
scrolled_window.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
scrolled_window.add(view)
model = gtk.ListStore(int, str, str, str)
model.append(row=[self.TYPE_ALL, gtk.STOCK_DIRECTORY, "__all",
_("All Stations")])
model.append(row=[self.TYPE_SEP, gtk.STOCK_DIRECTORY, "", ""])
#Translators: Favorite radio stations
model.append(row=[self.TYPE_FAV, gtk.STOCK_DIRECTORY, "__fav",
_("Favorites")])
model.append(row=[self.TYPE_SEP, gtk.STOCK_DIRECTORY, "", ""])
filters = self.filters
for text, k in sorted([(filters.text(k), k) for k in filters.keys()]):
model.append(row=[self.TYPE_FILTER, gtk.STOCK_FIND, k, text])
model.append(row=[self.TYPE_NOCAT, gtk.STOCK_DIRECTORY,
"nocat", _("No Category")])
def separator(model, iter):
return model[iter][self.TYPE] == self.TYPE_SEP
view.set_row_separator_func(separator)
def search_func(model, column, key, iter):
return key.lower() not in model[iter][column].lower()
view.set_search_column(self.NAME)
view.set_search_equal_func(search_func)
column = gtk.TreeViewColumn("genres")
column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
renderpb = gtk.CellRendererPixbuf()
column.pack_start(renderpb, False)
column.set_attributes(renderpb, stock_id=self.STOCK)
render = gtk.CellRendererText()
view.append_column(column)
column.pack_start(render)
column.set_attributes(render, text=self.NAME)
view.set_model(model)
# selection
selection = view.get_selection()
selection.set_mode(gtk.SELECTION_MULTIPLE)
self.__changed_sig = gobject_weak(selection.connect, 'changed',
util.DeferredSignal(lambda x: self.activate()), parent=view)
# update button
update_button = qltk.Button(_("_Update Stations"), gtk.STOCK_REFRESH,
gtk.ICON_SIZE_MENU)
gobject_weak(update_button.connect, 'clicked', self.__update)
self.pack_start(search_align)
pane.pack_start(add_button, expand=False)
pane.pack_start(scrolled_window)
pane.pack_start(update_button, expand=False)
self.show_all()
def pack(self, songpane):
container = qltk.RHPaned()
right = gtk.VBox(spacing=6)
container.pack1(self.__filter_pane, resize=False, shrink=False)
container.pack2(right, resize=True, shrink=False)
container.show_all()
right.pack_start(self, expand=False)
right.pack_start(songpane)
return container
def unpack(self, container, songpane):
right = container.get_child2()
right.remove(songpane)
right.remove(self)
def __update(self, *args):
copool.add(download_taglist, self.__update_done,
cofuncid="radio-load", funcid="radio-load")
def __update_done(self, stations):
if not stations:
print_w("Loading remote station list failed.")
return
# take the best 4000
stations.sort(key=sort_stations, reverse=True)
stations = stations[:4000]
# remove the tags only used for ranking
for s in stations:
s.pop("~listenerpeak", None)
stations = dict(((s.key, s) for s in stations))
# don't add ones that are in the fav list
for fav in self.__fav_stations.iterkeys():
stations.pop(fav, None)
# separate
o, n = set(self.__stations.iterkeys()), set(stations)
to_add, to_change, to_remove = n - o, o & n, o - n
del o, n
# migrate stats
to_change = [stations.pop(k) for k in to_change]
for new in to_change:
old = self.__stations[new.key]
# clear everything except stats
AudioFile.reload(old)
# add new metadata except stats
for k in (x for x in new.iterkeys() if x not in MIGRATE):
old[k] = new[k]
to_add = [stations.pop(k) for k in to_add]
to_remove = [self.__stations[k] for k in to_remove]
self.__stations.remove(to_remove)
self.__stations.changed(to_change)
self.__stations.add(to_add)
def __filter_changed(self, bar, text, restore=False):
self.__filter = None
if not Query.match_all(text):
self.__filter = Query(text, self.STAR)
if not restore:
self.activate()
def __get_selected_libraries(self):
"""Returns the libraries to search in depending on the
filter selection"""
selection = self.view.get_selection()
model, rows = selection.get_selected_rows()
types = [model[row][self.TYPE] for row in rows]
libs = [self.__fav_stations]
if types != [self.TYPE_FAV]:
libs.append(self.__stations)
return libs
def __get_selection_filter(self):
"""Retuns a filter object for the current selection or None
if nothing should be filtered"""
selection = self.view.get_selection()
model, rows = selection.get_selected_rows()
filter_ = None
for row in rows:
type_ = model[row][self.TYPE]
if type_ == self.TYPE_FILTER:
key = model[row][self.KEY]
current_filter = self.filters.query(key)
if current_filter:
if filter_:
filter_ |= current_filter
else:
filter_ = current_filter
elif type_ == self.TYPE_NOCAT:
# if notcat is selected, combine all filters, negate and merge
all_ = [self.filters.query(k) for k in self.filters.keys()]
nocat_filter = all_ and -reduce(lambda x, y: x | y, all_)
if nocat_filter:
if filter_:
filter_ |= nocat_filter
else:
filter_ = nocat_filter
elif type_ == self.TYPE_ALL:
filter_ = None
break
return filter_
def __add_fav(self, songs):
songs = [s for s in songs if s in self.__stations]
type(self).__librarian.move(
songs, self.__stations, self.__fav_stations)
def __remove_fav(self, songs):
songs = [s for s in songs if s in self.__fav_stations]
type(self).__librarian.move(
songs, self.__fav_stations, self.__stations)
def __add(self, button):
parent = qltk.get_top_parent(self)
uri = (AddNewStation(parent).run(clipboard=True) or "").strip()
if uri != "":
self.__add_station(uri)
def __add_station(self, uri):
irfs = add_station(uri)
if not irfs:
qltk.ErrorMessage(
None, _("No stations found"),
_("No Internet radio stations were found at %s.") %
util.escape(uri)).run()
return
irfs = filter(lambda station: station not in self.__fav_stations, irfs)
if not irfs:
qltk.WarningMessage(
None, _("Unable to add station"),
_("All stations listed are already in your library.")).run()
if irfs:
self.__fav_stations.add(irfs)
def Menu(self, songs, songlist, library):
menu = SongsMenu(self.__librarian, songs, playlists=False, remove=True,
queue=False, accels=songlist.accelerators,
devices=False, parent=self)
menu.prepend(gtk.SeparatorMenuItem())
in_fav = False
in_all = False
for song in songs:
if song in self.__fav_stations:
in_fav = True
elif song in self.__stations:
in_all = True
if in_fav and in_all:
break
button = MenuItem(_("Remove from Favorites"), gtk.STOCK_REMOVE)
button.set_sensitive(in_fav)
gobject_weak(button.connect_object, 'activate',
self.__remove_fav, songs)
menu.prepend(button)
button = MenuItem(_("Add to Favorites"), gtk.STOCK_ADD)
button.set_sensitive(in_all)
gobject_weak(button.connect_object, 'activate',
self.__add_fav, songs)
menu.prepend(button)
return menu
def restore(self):
text = config.get("browsers", "query_text").decode("utf-8")
self.__searchbar.set_text(text)
if Query.is_parsable(text):
self.__filter_changed(self.__searchbar, text, restore=True)
keys = config.get("browsers", "radio").splitlines()
selection = self.view.get_selection()
model = self.view.get_model()
view = self.view
# get all paths that have a matching key, and the favorites
fav = None
found = []
for row in model:
if row[self.TYPE] != self.TYPE_SEP and row[self.KEY] in keys:
found.append(row.path)
if row[self.TYPE] == self.TYPE_FAV:
fav = row.path
# if nothing was found, default to favorites
if not found:
found.append(fav)
# select accordingly
self.__inhibit()
selection.unselect_all()
first = True
for path in found:
if first:
view.scroll_to_cell(path, use_align=True, row_align=0.5)
view.set_cursor(path)
first = False
else:
selection.select_path(path)
self.__uninhibit()
def __get_filter(self):
filter_ = self.__get_selection_filter()
if filter_:
if self.__filter:
filter_ &= self.__filter
else:
filter_ = self.__filter
return filter_
def activate(self):
filter_ = self.__get_filter()
libs = self.__get_selected_libraries()
songs = itertools.chain(*libs)
if filter_:
songs = filter(filter_.search, songs)
else:
songs = list(songs)
self.emit('songs-selected', songs, None)
def active_filter(self, song):
for lib in self.__get_selected_libraries():
if song in lib:
break
else:
return False
filter_ = self.__get_filter()
if filter_:
return filter_.search(song)
return True
def save(self):
text = self.__searchbar.get_text().encode("utf-8")
config.set("browsers", "query_text", text)
selection = self.view.get_selection()
model, rows = selection.get_selected_rows()
names = filter(None, [model[row][self.KEY] for row in rows])
config.set("browsers", "radio", "\n".join(names))
def scroll(self, song):
# nothing we care about
if song not in self.__stations and song not in self.__fav_stations:
return
path = None
for row in self.view.get_model():
if row[self.TYPE] == self.TYPE_FILTER:
if self.filters.query(row[self.KEY]).search(song):
path = row.path
break
else:
# in case nothing matches, select all
path = (0,)
self.view.scroll_to_cell(path, use_align=True, row_align=0.5)
self.view.set_cursor(path)
def statusbar(self, i):
return ngettext("%(count)d station", "%(count)d stations", i)
from quodlibet import player
if player.can_play_uri("http://"):
browsers = [InternetRadio]
else: browsers = []
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