Internet radio browser GUI for music/video streams from various directory services.

⌈⌋ ⎇ branch:  streamtuner2


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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, kronos, requests
# version: 2.1.2
# author: mario salzer
# license: public domain
# url: http://freshmeat.net/projects/streamtuner2
# config: <env name="http_proxy" value="" description="proxy for HTTP access" />  <env name="XDG_CONFIG_HOME" description="relocates user .config subdirectory" />
# category: multimedia
# 
#
#
# Streamtuner2 is a GUI browser for internet radio directories. Various
# providers can be added, and streaming stations are usually grouped into







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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, kronos, requests
# version: 2.1.3
# author: mario salzer
# 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: multimedia
# 
#
#
# Streamtuner2 is a GUI browser for internet radio directories. Various
# providers can be added, and streaming stations are usually grouped into
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                # menu
                "menu_toolbar_standard": lambda w: (self.toolbar.unset_style(), self.toolbar.unset_icon_size()),
                "menu_toolbar_style_icons": lambda w: (self.toolbar.set_style(gtk.TOOLBAR_ICONS)),
                "menu_toolbar_style_both": lambda w: (self.toolbar.set_style(gtk.TOOLBAR_BOTH)),
                "menu_toolbar_size_small": lambda w: (self.toolbar.set_icon_size(gtk.ICON_SIZE_SMALL_TOOLBAR)),
                "menu_toolbar_size_medium": lambda w: (self.toolbar.set_icon_size(gtk.ICON_SIZE_DND)),
                "menu_toolbar_size_large": lambda w: (self.toolbar.set_icon_size(gtk.ICON_SIZE_DIALOG)),




                # win_config
                "menu_properties": config_dialog.open,
                "config_cancel": config_dialog.hide,
                "config_save": config_dialog.save,
                "config_play_list_edit_col0": lambda w,path,txt: (config_dialog.list_edit(self.config_play, path, 0, txt)),
                "config_play_list_edit_col1": lambda w,path,txt: (config_dialog.list_edit(self.config_play, path, 1, txt)),
                "config_record_list_edit_col0": lambda w,path,txt: (config_dialog.list_edit(self.config_record, path, 0, txt)),







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                # menu
                "menu_toolbar_standard": lambda w: (self.toolbar.unset_style(), self.toolbar.unset_icon_size()),
                "menu_toolbar_style_icons": lambda w: (self.toolbar.set_style(gtk.TOOLBAR_ICONS)),
                "menu_toolbar_style_both": lambda w: (self.toolbar.set_style(gtk.TOOLBAR_BOTH)),
                "menu_toolbar_size_small": lambda w: (self.toolbar.set_icon_size(gtk.ICON_SIZE_SMALL_TOOLBAR)),
                "menu_toolbar_size_medium": lambda w: (self.toolbar.set_icon_size(gtk.ICON_SIZE_DND)),
                "menu_toolbar_size_large": lambda w: (self.toolbar.set_icon_size(gtk.ICON_SIZE_DIALOG)),
                "menu_notebook_pos_top": lambda w: self.notebook_channels.set_tab_pos(2),
                "menu_notebook_pos_left": lambda w: self.notebook_channels.set_tab_pos(0),
                "menu_notebook_pos_right": lambda w: self.notebook_channels.set_tab_pos(1),
                "menu_notebook_pos_bottom": lambda w: self.notebook_channels.set_tab_pos(3),
                # win_config
                "menu_properties": config_dialog.open,
                "config_cancel": config_dialog.hide,
                "config_save": config_dialog.save,
                "config_play_list_edit_col0": lambda w,path,txt: (config_dialog.list_edit(self.config_play, path, 0, txt)),
                "config_play_list_edit_col1": lambda w,path,txt: (config_dialog.list_edit(self.config_play, path, 1, txt)),
                "config_record_list_edit_col0": lambda w,path,txt: (config_dialog.list_edit(self.config_record, path, 0, txt)),
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            }.items() ) + list( self.add_signals.items() ) ))
            
            # actually display main window
            gui_startup(98.9/100.0)
            self.win_streamtuner2.show()
            

          

        #-- Shortcut for glade.get_widget()
        # Allows access to widgets as direct attributes instead of using .get_widget()
        # Also looks in self.channels[] for the named channel plugins
        def __getattr__(self, name):
            if (name in self.channels):
                return self.channels[name]     # like self.shoutcast
            else:
                return self.get_object(name)   # or gives an error if neither exists


        # custom-named widgets are available from .widgets{} not via .get_widget()
        def get_widget(self, name):
            if name in self.widgets:
                return self.widgets[name]
            else:
                return gtk.Builder.get_object(self, name)
                


                
        # returns the currently selected directory/channel object
        def channel(self):
            return self.channels[self.current_channel]

            
        def current_channel_gtk(self):
            i = self.notebook_channels.get_current_page()
            try: return self.channel_names[i]
            except: return "bookmarks"


        # notebook tab clicked
        def channel_switch(self, notebook, page, page_num=0, *args):

            # can be called from channelmenu as well:
            if type(page) == str:
                self.current_channel = page
                self.notebook_channels.set_current_page(self.channel_names.index(page))
            # notebook invocation:
            else: #if type(page_num) == int:
                self.current_channel = self.channel_names[page_num]
            
            # if first selected, load current category
            try:
                __print__(dbg.PROC, "channel_switch: try .first_show", self.channel().module);
                self.channel().first_show()
            except:
                __print__(dbg.INIT, "channel .first_show() initialization error")


        # convert ListStore iter to row number
        def rowno(self):
            (model, iter) = self.model_iter()
            return model.get_path(iter)[0]


        # currently selected entry in stations list, return complete data dict
        def row(self):
            return self.channel().stations() [self.rowno()]

            
        # return ListStore object and Iterator for currently selected row in gtk.TreeView station list
        def model_iter(self):
            return self.channel().gtk_list.get_selection().get_selected()

            
        # fetches a single varname from currently selected station entry
        def selected(self, name="url"):
            return self.row().get(name)

                



        # play button
        def on_play_clicked(self, widget, event=None, *args):
            row = self.row()
            if row:
                self.channel().play(row)
                [callback(row) for callback in self.hooks["play"]]


        # streamripper
        def on_record_clicked(self, widget):
            row = self.row()
            action.record(row.get("url"), row.get("format", "audio/mpeg"), "url/direct", row=row)


        # browse stream
        def on_homepage_stream_clicked(self, widget):
            url = self.selected("homepage")             
            action.browser(url)

             
        # browse channel
        def on_homepage_channel_clicked(self, widget, event=2):
            if event == 2 or event.type == gtk.gdk._2BUTTON_PRESS:
                __print__(dbg.UI, "dblclick")
                action.browser(self.channel().homepage)            


        # reload stream list in current channel-category
        def on_reload_clicked(self, widget=None, reload=1):
            __print__(dbg.UI, "reload", reload, self.current_channel, self.channels[self.current_channel], self.channel().current)
            category = self.channel().current
            self.thread(
                lambda: (  self.channel().load(category,reload), reload and self.bookmarks.heuristic_update(self.current_channel,category)  )
            )

            
        # thread a function, add to worker pool (for utilizing stop button)
        def thread(self, target, *args):
            thread = Thread(target=target, args=args)
            thread.start()
            self.working.append(thread)


        # stop reload/update threads
        def on_stop_clicked(self, widget):
            while self.working:
                thread = self.working.pop()
                thread.stop()

        
        # click in category list
        def on_category_clicked(self, widget, event, *more):
            category = self.channel().currentcat()
            __print__(dbg.UI, "on_category_clicked", category, self.current_channel)
            self.on_reload_clicked(None, reload=0)
            pass


        # add current selection to bookmark store
        def bookmark(self, widget):
            self.bookmarks.add(self.row())
            # code to update current list (set icon just in on-screen liststore, it would be updated with next display() anyhow - and there's no need to invalidate the ls cache, because that's referenced by model anyhow)
            try:
                (model,iter) = self.model_iter()
                model.set_value(iter, 0, gtk.STOCK_ABOUT)
            except:
                pass
            # refresh bookmarks tab
            self.bookmarks.load(self.bookmarks.default)


        # reload category tree
        def update_categories(self, widget):
            Thread(target=self.channel().reload_categories).start()
            

        # menu invocation: refresh favicons for all stations in current streams category
        def update_favicons(self, widget):
            entries = self.channel().stations()
            favicon.download_all(entries)


        # save a file            
        def save_as(self, widget):
            row = self.row()
            default_fn = row["title"] + ".m3u"
            fn = mygtk.save_file("Save Stream", None, default_fn, [(".m3u","*m3u"),(".pls","*pls"),(".xspf","*xspf"),(".smil","*smil"),(".asx","*asx"),("all files","*")])
            if fn:
                action.save(row, fn)
            pass


        # save current stream URL into clipboard
        def menu_copy(self, w):
            gtk.clipboard_get().set_text(self.selected("url"))


        # remove an entry
        def delete_entry(self, w):
            n = self.rowno()
            del self.channel().stations()[ n ]
            self.channel().switch()
            self.channel().save()


        # stream right click
        def station_context_menu(self, treeview, event):
            return station_context_menu(treeview, event) # wrapper to the static function




            




        # shortcut to statusbar
        # (hacked to work from within threads, circumvents the statusbar msg pool actually)







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            }.items() ) + list( self.add_signals.items() ) ))
            
            # actually display main window
            gui_startup(98.9/100.0)
            self.win_streamtuner2.show()
            



        #-- Shortcut for glade.get_widget()
        # Allows access to widgets as direct attributes instead of using .get_widget()
        # Also looks in self.channels[] for the named channel plugins
        def __getattr__(self, name):
            if (name in self.channels):
                return self.channels[name]     # like self.shoutcast
            else:
                return self.get_object(name)   # or gives an error if neither exists


        # Custom-named widgets are available from .widgets{} not via .get_widget()
        def get_widget(self, name):
            if name in self.widgets:
                return self.widgets[name]
            else:
                return gtk.Builder.get_object(self, name)
                



        # returns the currently selected directory/channel object (remembered position)
        def channel(self):
            return self.channels[self.current_channel]

        # returns the currently selected directory/channel object (from gtk)
        def current_channel_gtk(self):
            i = self.notebook_channels.get_current_page()
            try: return self.channel_names[i]
            except: return "bookmarks"


        # Notebook tab clicked
        def channel_switch(self, notebook, page, page_num=0, *args):

            # can be called from channelmenu as well:
            if type(page) == str:
                self.current_channel = page
                self.notebook_channels.set_current_page(self.channel_names.index(page))
            # notebook invocation:
            else: #if type(page_num) == int:
                self.current_channel = self.channel_names[page_num]
            
            # if first selected, load current category
            try:
                __print__(dbg.PROC, "channel_switch: try .first_show", self.channel().module);
                self.channel().first_show()
            except:
                __print__(dbg.INIT, "channel .first_show() initialization error")


        # Convert ListStore iter to row number
        def rowno(self):
            (model, iter) = self.model_iter()
            return model.get_path(iter)[0]


        # Currently selected entry in stations list, return complete data dict
        def row(self):
            return self.channel().stations() [self.rowno()]

            
        # return ListStore object and Iterator for currently selected row in gtk.TreeView station list
        def model_iter(self):
            return self.channel().gtk_list.get_selection().get_selected()
            

        # Fetches a single varname from currently selected station entry
        def selected(self, name="url"):
            return self.row().get(name)


                


        # Play button
        def on_play_clicked(self, widget, event=None, *args):
            row = self.row()
            if row:
                self.channel().play(row)
                [callback(row) for callback in self.hooks["play"]]


        # Recording: invoke streamripper for current stream URL
        def on_record_clicked(self, widget):
            row = self.row()
            action.record(row.get("url"), row.get("format", "audio/mpeg"), "url/direct", row=row)

        # Open stream homepage in web browser

        def on_homepage_stream_clicked(self, widget):
            url = self.selected("homepage")             
            action.browser(url)

        # Browse to channel homepage (double click on notebook tab)

        def on_homepage_channel_clicked(self, widget, event=2):
            if event == 2 or event.type == gtk.gdk._2BUTTON_PRESS:
                __print__(dbg.UI, "dblclick")
                action.browser(self.channel().homepage)            


        # Reload stream list in current channel-category
        def on_reload_clicked(self, widget=None, reload=1):
            __print__(dbg.UI, "reload", reload, self.current_channel, self.channels[self.current_channel], self.channel().current)
            category = self.channel().current
            self.thread(
                lambda: (  self.channel().load(category,reload), reload and self.bookmarks.heuristic_update(self.current_channel,category)  )
            )


        # Thread a function, add to worker pool (for utilizing stop button)
        def thread(self, target, *args):
            thread = Thread(target=target, args=args)
            thread.start()
            self.working.append(thread)


        # Stop reload/update threads
        def on_stop_clicked(self, widget):
            while self.working:
                thread = self.working.pop()
                thread.stop()


        # Click in category list
        def on_category_clicked(self, widget, event, *more):
            category = self.channel().currentcat()
            __print__(dbg.UI, "on_category_clicked", category, self.current_channel)
            self.on_reload_clicked(None, reload=0)
            pass


        # Add current selection to bookmark store
        def bookmark(self, widget):
            self.bookmarks.add(self.row())
            # code to update current list (set icon just in on-screen liststore, it would be updated with next display() anyhow - and there's no need to invalidate the ls cache, because that's referenced by model anyhow)
            try:
                (model,iter) = self.model_iter()
                model.set_value(iter, 0, gtk.STOCK_ABOUT)
            except:
                pass
            # refresh bookmarks tab
            self.bookmarks.load(self.bookmarks.default)


        # Reload category tree
        def update_categories(self, widget):
            Thread(target=self.channel().reload_categories).start()


        # Menu invocation: refresh favicons for all stations in current streams category
        def update_favicons(self, widget):
            entries = self.channel().stations()
            favicon.download_all(entries)

        # Save stream to file (.m3u)

        def save_as(self, widget):
            row = self.row()
            default_fn = row["title"] + ".m3u"
            fn = mygtk.save_file("Save Stream", None, default_fn, [(".m3u","*m3u"),(".pls","*pls"),(".xspf","*xspf"),(".smil","*smil"),(".asx","*asx"),("all files","*")])
            if fn:
                action.save(row, fn)
            pass


        # Save current stream URL into clipboard
        def menu_copy(self, w):
            gtk.clipboard_get().set_text(self.selected("url"))


        # Remove a stream entry
        def delete_entry(self, w):
            n = self.rowno()
            del self.channel().stations()[ n ]
            self.channel().switch()
            self.channel().save()

        # Richt clicking a stream opens an action content menu

        def station_context_menu(self, treeview, event):
            return station_context_menu(treeview, event) # wrapper to the static function

        # Alternative Notebook channel tabs between TOP and LEFT position
        def switch_notebook_tabs_position(self, w, pos):
            self.notebook_channels.set_tab_pos(pos);
            




        # shortcut to statusbar
        # (hacked to work from within threads, circumvents the statusbar msg pool actually)