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#!/usr/bin/env python
# encoding: UTF-8
# api: python
# type: application
# title: streamtuner2
# description: Directory browser for internet radio / audio streams
# depends: pygtk | pygi, threading, pyquery, python-lxml, requests
# version: 2.1.4
# author: Mario Salzer <milky@users.sf.net>
# license: public domain
# url: http://freshcode.club/projects/streamtuner2
# config: <env name="http_proxy" value="" description="proxy for HTTP access" /> <env name="XDG_CONFIG_HOME" description="relocates user .config subdirectory" />
# category: sound
# id: streamtuner2
# pack:
# *.py, gtk*.xml,
# st2.py=/usr/bin/streamtuner2,
# channels/__init__.py,
# bundle/*.py,
# streamtuner2.desktop=/usr/share/applications/,
# README=/usr/share/doc/streamtuner2/,
# NEWS.gz=/usr/share/doc/streamtuner2/changelog.gz,
# help/streamtuner2.1=/usr/share/man/man1/,
# help/*page=/usr/share/doc/streamtuner2/help/,
# help/img/*=/usr/share/doc/streamtuner2/help/img/,
# streamtuner2.png,
# logo.png=/usr/share/pixmaps/streamtuner2.png,
# architecture: all
#
#
# Streamtuner2 is a GUI browser for internet radio directories. Various
# providers can be added, and streaming stations are usually grouped into
# music genres or categories. It starts external audio players for stream
# playing and streamripper for recording broadcasts.
#
# It's an independent rewrite of streamtuner1 in a scripting language. So
# it can be more easily extended and fixed. The mix of JSON APIs, regex
# or PyQuery extraction simplifies processing many sources.
#
# Primarily radio stations are displayed, some channels however are music
# collections. Commercial and sign-up services are not the target purpose.
""" project status """
#
# The application runs mostly stable. The GUI interfaces are workable.
# It's supposed to run on Gtk2 and Gtk3. Python3 support is still WIP.
# There haven't been any optimizations regarding memory usage and
# performance. The current internal API is vastly undocumented.
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#!/usr/bin/env python
#
# encoding: UTF-8
# api: python
# type: application
# title: streamtuner2
# description: Directory browser for internet radio / audio streams
# depends: pygtk | gi, threading, requests, pyquery, lxml, deb:python-pyquery, deb:python-requests, deb:python-gtk2
# version: 2.1.4
# author: Mario Salzer <milky@users.sf.net>
# license: public domain
# url: http://freshcode.club/projects/streamtuner2
# config:
# { type: env, name: http_proxy, description: proxy for HTTP access }
# { type: env, name: XDG_CONFIG_HOME, description: relocates user .config subdirectory }
# category: sound
# id: streamtuner2
# pack: *.py, gtk*.xml, st2.py=/usr/bin/streamtuner2, channels/__init__.py, bundle/*.py,
# streamtuner2.desktop=/usr/share/applications/, README=/usr/share/doc/streamtuner2/,
# NEWS.gz=/usr/share/doc/streamtuner2/changelog.gz, help/streamtuner2.1=/usr/share/man/man1/,
# help/*page=/usr/share/doc/streamtuner2/help/, help/img/*=/usr/share/doc/streamtuner2/help/img/,
# streamtuner2.png, logo.png=/usr/share/pixmaps/streamtuner2.png,
# architecture: all
#
# Streamtuner2 is a GUI browser for internet radio directories. Various
# providers can be added, and streaming stations are usually grouped into
# music genres or categories. It starts external audio players for stream
# playing, and defaults to streamripper for recording broadcasts.
#
# It's an independent rewrite of streamtuner1. Being written in Python,
# can be more easily extended and fixed. The mix of JSON APIs, regex
# or PyQuery extraction makes list generation simpler and more robust.
#
# Primarily radio stations are displayed, some channels however are music
# collections. Commercial and sign-up services are not the target purpose.
#
""" project status """
#
# The application runs mostly stable. The GUI interfaces are workable.
# It's supposed to run on Gtk2 and Gtk3. Python3 support is still WIP.
# There haven't been any optimizations regarding memory usage and
# performance. The current internal API is vastly undocumented.
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# add library path
sys.path.insert(0, "/usr/share/streamtuner2") # pre-defined directory for modules
sys.path.append( "/usr/share/streamtuner2/bundle") # external libraries
sys.path.insert(0, ".") # development module path
# gtk modules
from mygtk import pygtk, gtk, gobject, ui_file, mygtk, ver as GTK_VER, ComboBoxText
# custom modules
from config import conf # initializes itself, so all conf.vars are available right away
from config import __print__, dbg
import ahttp
import action # needs workaround... (action.main=main)
import channels
from channels import *
import favicon
__version__ = "2.1.4"
# this represents the main window
# and also contains most application behaviour
main = None
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# add library path
sys.path.insert(0, "/usr/share/streamtuner2") # pre-defined directory for modules
sys.path.append( "/usr/share/streamtuner2/bundle") # external libraries
sys.path.insert(0, ".") # development module path
# gtk modules
from mygtk import pygtk, gtk, gobject, ui_file, mygtk, ver as GTK_VER, ComboBoxText, gui_startup
# custom modules
from config import conf # initializes itself, so all conf.vars are available right away
from config import __print__, dbg
import ahttp
import action # needs workaround... (action.main=main)
import channels
from channels import *
import favicon
import channels.bookmarks
__version__ = "2.1.4"
# this represents the main window
# and also contains most application behaviour
main = None
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gtk.Builder.__init__(self)
gtk.Builder.add_from_file(self, conf.find_in_dirs([".", conf.share], ui_file)), gui_startup(2/20.0)
# manual gtk operations
self.extensionsCTM.set_submenu(self.extensions) # duplicates Station>Extension menu into stream context menu
# initialize channels
self.channels = {
"bookmarks": bookmarks(parent=self), # this the remaining built-in channel
#"shoutcast": None,#shoutcast(parent=self),
}
gui_startup(3/20.0)
self.load_plugin_channels() # append other channel modules / plugins
# load application state (widget sizes, selections, etc.)
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gtk.Builder.__init__(self)
gtk.Builder.add_from_file(self, conf.find_in_dirs([".", conf.share], ui_file)), gui_startup(2/20.0)
# manual gtk operations
self.extensionsCTM.set_submenu(self.extensions) # duplicates Station>Extension menu into stream context menu
# initialize channels
self.channels = {
"bookmarks": channels.bookmarks.bookmarks(parent=self), # this the remaining built-in channel
#"shoutcast": None,#shoutcast(parent=self),
}
gui_startup(3/20.0)
self.load_plugin_channels() # append other channel modules / plugins
# load application state (widget sizes, selections, etc.)
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__print__(dbg.STAT, "disabled plugin:", module)
continue
# load plugin
try:
plugin = __import__("channels."+module, None, None, [""])
plugin_class = plugin.__dict__[module]
# load .config settings from plugin
conf.add_plugin_defaults(plugin_class.config, module)
# add and initialize channel
if issubclass(plugin_class, GenericChannel):
self.channels[module] = plugin_class(parent=self)
if module not in self.channel_names: # skip (glade) built-in channels
self.channel_names.append(module)
# other plugin types
else:
self.features[module] = plugin_class(parent=self)
except Exception as e:
__print__(dbg.INIT, "load_plugin_channels: error initializing:", module, ", exception:")
import traceback
traceback.print_exc()
# default plugins
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__print__(dbg.STAT, "disabled plugin:", module)
continue
# load plugin
try:
plugin = __import__("channels."+module, None, None, [""])
plugin_class = plugin.__dict__[module]
plugin_obj = plugin_class(parent=self)
# load .config settings from plugin
conf.add_plugin_defaults(plugin_obj.meta["config"], module)
# add and initialize channel
if issubclass(plugin_class, GenericChannel):
self.channels[module] = plugin_obj
if module not in self.channel_names: # skip (glade) built-in channels
self.channel_names.append(module)
# other plugin types
else:
self.features[module] = plugin_obj
except Exception as e:
__print__(dbg.INIT, "load_plugin_channels: error initializing:", module, ", exception:")
import traceback
traceback.print_exc()
# default plugins
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# retrieve currently selected value
def apply_theme(self):
conf.theme = self.theme.get_active_text()
main.load_theme()
# add configuration setting definitions from plugins
def add_plugins(self):
for name,meta in channels.module_meta().items():
# add plugin load entry
if name:
cb = gtk.CheckButton(name)
cb.get_children()[0].set_markup("<b>%s</b> <i>(%s)</i> %s\n<small>%s</small>" % (meta["title"], meta["type"], meta.get("version", ""), meta["description"]))
self.add_( "config_plugins_"+name, cb )
# look up individual plugin options, if loaded
if self.channels.get(name) or self.features.get(name):
c = self.channels.get(name) or self.features.get(name)
for opt in c.config:
# default values are already in conf[] dict (now done in conf.add_plugin_defaults)
color = opt.get("color", None)
# display checkbox
if opt["type"] == "boolean":
cb = gtk.CheckButton(opt["description"])
self.add_( "config_"+opt["name"], cb, color=color )
# drop down list
elif opt["type"] == "select":
cb = ComboBoxText(ComboBoxText.parse_options(opt["select"])) # custom mygtk widget
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# retrieve currently selected value
def apply_theme(self):
conf.theme = self.theme.get_active_text()
main.load_theme()
# iterate over channel and feature plugins
def add_plugins(self):
for name,plugin in main.channels.iteritems():
self.add_plg(name, plugin, plugin.meta)
self.plugin_options.pack_start(mygtk.label("\n<b>Feature</b> plugins add categories, submenu entries, or other extensions.\n", 500, 1))
for name,plugin in main.features.iteritems():
self.add_plg(name, plugin, plugin.meta)
# add configuration setting definitions from plugins
def add_plg(self, name, c, meta):
# add plugin load entry
cb = gtk.CheckButton(name)
cb.get_children()[0].set_markup("<b>%s</b> <i>(%s)</i> %s\n<small>%s</small>" % (meta["title"], meta["type"], meta.get("version", ""), meta["description"]))
self.add_( "config_plugins_"+name, cb )
# default values are already in conf[] dict (now done in conf.add_plugin_defaults)
for opt in meta["config"]:
color = opt.get("color", None)
# display checkbox
if opt["type"] == "boolean":
cb = gtk.CheckButton(opt["description"])
self.add_( "config_"+opt["name"], cb, color=color )
# drop down list
elif opt["type"] == "select":
cb = ComboBoxText(ComboBoxText.parse_options(opt["select"])) # custom mygtk widget
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conf.save(nice=1)
self.hide()
config_dialog = config_dialog()
# instantiates itself
# class GenericChannel:
#
# is in channels/__init__.py
#
#-- favourite lists ------------------------------------------
#
# This module lists static content from ~/.config/streamtuner2/bookmarks.json;
# its data list is queried by other plugins to add 'star' icons.
#
# Some feature extensions inject custom categories[] into streams{}
# e.g. "search" adds its own category once activated, as does the "timer" plugin.
#
class bookmarks(GenericChannel):
# desc
module = "bookmarks"
title = "bookmarks"
version = 0.4
base_url = "file:.config/streamtuner2/bookmarks.json"
listformat = "*/*"
# i like this
config = [
{"name":"like_my_bookmarks", "type":"boolean", "value":0, "description":"I like my bookmarks"},
]
# content
categories = ["favourite", ] # timer, links, search, and links show up as needed
current = "favourite"
default = "favourite"
streams = {"favourite":[], "search":[], "scripts":[], "timer":[], "history":[], }
# cache list, to determine if a PLS url is bookmarked
urls = []
# this channel does not actually retrieve/parse data from anywhere
def update_categories(self):
pass
def update_streams(self, cat):
return self.streams.get(cat, [])
# streams are already loaded at instantiation
def first_show(self):
pass
# all entries just come from "bookmarks.json"
def cache(self):
# stream list
cache = conf.load(self.module)
if (cache):
__print__(dbg.PROC, "load bookmarks.json")
self.streams = cache
# save to cache file
def save(self):
conf.save(self.module, self.streams, nice=1)
# checks for existence of an URL in bookmarks store,
# this method is called by other channel modules' display() method
def is_in(self, url, once=1):
if (not self.urls):
self.urls = [row.get("url","urn:x-streamtuner2:no") for row in self.streams["favourite"]]
return url in self.urls
# called from main window / menu / context menu,
# when bookmark is to be added for a selected stream entry
def add(self, row):
# normalize data (this row originated in a gtk+ widget)
row["favourite"] = 1
if row.get("favicon"):
row["favicon"] = favicon.file(row.get("homepage"))
if not row.get("listformat"):
row["listformat"] = main.channel().listformat
# append to storage
self.streams["favourite"].append(row)
self.save()
self.load(self.default)
self.urls.append(row["url"])
# simplified gtk TreeStore display logic (just one category for the moment, always rebuilt)
def load(self, category, force=False):
#self.liststore[category] = \
__print__(dbg.UI, category, self.streams.keys())
mygtk.columns(self.gtk_list, self.datamap, self.prepare(self.streams.get(category,[])))
# select a category in treeview
def add_category(self, cat):
if cat not in self.categories: # add category if missing
self.categories.append(cat)
self.display_categories()
# change cursor
def set_category(self, cat):
self.add_category(cat)
self.gtk_cat.get_selection().select_path(str(self.categories.index(cat)))
return self.currentcat()
# update bookmarks from freshly loaded streams data
def heuristic_update(self, updated_channel, updated_category):
if not conf.heuristic_bookmark_update: return
__print__(dbg.ERR, "heuristic bookmark update")
save = 0
fav = self.streams["favourite"]
# First we'll generate a list of current bookmark stream urls, and then
# remove all but those from the currently UPDATED_channel + category.
# This step is most likely redundant, but prevents accidently re-rewriting
# stations that are in two channels (=duplicates with different PLS urls).
check = {"http//": "[row]"}
check = dict((row.get("url", "http//"),row) for row in fav)
# walk through all channels/streams
for chname,channel in main.channels.items():
for cat,streams in channel.streams.items():
# keep the potentially changed rows
if (chname == updated_channel) and (cat == updated_category):
freshened_streams = streams
# remove unchanged urls/rows
else:
unchanged_urls = (row.get("url") for row in streams)
for url in unchanged_urls:
if url in check:
del check[url]
# directory duplicates could unset the check list here,
# so we later end up doing a deep comparison
# now the real comparison,
# where we compare station titles and homepage url to detect if a bookmark is an old entry
for row in freshened_streams:
url = row.get("url")
# empty entry (google stations), or stream still in current favourites
if not url or url in check:
pass
# need to search
else:
title = row.get("title")
homepage = row.get("homepage")
for i,old in enumerate(fav):
# skip if new url already in streams
if url == old.get("url"):
pass # This is caused by channel duplicates with identical PLS links.
# on exact matches (but skip if url is identical anyway)
elif title == old["title"] and homepage == old.get("homepage",homepage):
# update stream url
fav[i]["url"] = url
save = 1
# more text similarity heuristics might go here
else:
pass
# if there were changes
if save: self.save()
#-- startup progress bar
progresswin, progressbar = 0, 0
def gui_startup(p=0/100.0, msg="streamtuner2 is starting"):
global progresswin,progressbar
if not progresswin:
# GtkWindow "progresswin"
progresswin = gtk.Window()
progresswin.set_property("title", "streamtuner2")
progresswin.set_property("default_width", 300)
progresswin.set_property("width_request", 300)
progresswin.set_property("default_height", 30)
progresswin.set_property("height_request", 30)
#progresswin.set_property("window_position", "center")
progresswin.set_property("decorated", False)
progresswin.set_property("visible", True)
# GtkProgressBar "progressbar"
progressbar = gtk.ProgressBar()
progressbar.set_property("visible", True)
progressbar.set_property("show_text", True)
progressbar.set_property("text", msg)
progresswin.add(progressbar)
progresswin.show_all()
try:
if p<1:
progressbar.set_fraction(p)
progressbar.set_property("text", msg)
while gtk.events_pending(): gtk.main_iteration(False)
else:
progresswin.hide()
except: return
#-- run main ---------------------------------------------
if __name__ == "__main__":
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conf.save(nice=1)
self.hide()
config_dialog = config_dialog()
# instantiates itself
#-- run main ---------------------------------------------
if __name__ == "__main__":
|
︙ | | | ︙ | |