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

⌈⌋ ⎇ branch:  streamtuner2


Check-in [801ad7fd98]

Overview
Comment:Sync with trunk changes.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | action-mapfmts
Files: files | file ages | folders
SHA1: 801ad7fd98eeee0105d79dbf305b40cb854d974e
User & Date: mario on 2015-04-10 10:54:35
Other Links: branch diff | manifest | tags
Context
2015-04-10
11:55
SurfMusik actually holds .m3u playlists. check-in: 46062ce00f user: mario tags: action-mapfmts
10:54
Sync with trunk changes. check-in: 801ad7fd98 user: mario tags: action-mapfmts
10:51
Fix parent window references. check-in: a61a746c31 user: mario tags: trunk
10:45
Update comment on rewritten action module. Add alternative MIME types for m3u and asx, spport asf detection and extraction. Fix listformat→source arg. Move save() and filename handling out of save_playlist. Fix mediafmt_t lookup and print warning when there's an audio-response on playlist fetching (and it does happen). Change myoggradio plugin "format" population, and set listformat to "mixed(..)" for automatic probing. check-in: 223368ebbf user: mario tags: action-mapfmts
Changes

Modified PACKAGING from [bdfee53a8f] to [1814db3da6].

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# pack: PACKAGING=

This is a short summary for distribution package maintainers.
For regular end-user documentation please see the help/ pages.



Structural changes from 2.1.5 onwards (2015-04-xx)
--------------------------------------------------

 → There's a new `bin` script. It's a lightweight invocation
   wrapper, intended to be installed as /usr/bin/streamtuner2



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# pack: PACKAGING=

This is a short summary for distribution package maintainers.
For regular end-user documentation please see the README and
help/ pages.


Structural changes from 2.1.5 onwards (2015-04-xx)
--------------------------------------------------

 → There's a new `bin` script. It's a lightweight invocation
   wrapper, intended to be installed as /usr/bin/streamtuner2
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---------

 → Help files still need to go to share/docs/streamtuner2/help/
   unless you patch the source.

 → *.desktop as usual

 → and `logo.png` is the pixmap/app icon


Removed
-------

Most plugin PNGs may have been removed already. (Embedded
binary data may violate some distro guidelines(?), but hey,
fewer files are fewer files!)

And the streamtuner2.png logo is now source-embedded instead,
the `logo.py` module provides a `logo.png` base64-string.

The old `gtk2.xml` file is gone. It probably became obsolete
a long while back. The gtk3.xml is instead runtime-patched
to work with PyGTK/gtk2.


Dependencies
------------

If possible, make ST2 dependend on Python2 -or- Python3.
It's not yet practical, and probably against distro standards,
and only APT could so anyway. But if feasible...

Also, hard dependencies are meanwhile:

  - gtk (>= 2.16)
  - pygtk                           [or python-gi for python3]
  - python-requests (>> 1.2.0)
  - python-pyquery    [though most plugins would work without]
  - and its implied python-lxml

Optional dependencies (just affects a single plugin, which
semi-gracefully disables itself):

  - python-keybinder   [for global_key]







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---------

 → Help files still need to go to share/docs/streamtuner2/help/
   unless you patch the source.

 → *.desktop as usual

 → and `icon.png` is the /share/pixmaps/ icon


Removed
-------

Most plugin PNGs may have been removed already. (Embedded
binary data may violate some distro guidelines(?), but hey,
fewer files are fewer files!)

And the streamtuner2.png logo is now source-embedded instead;
the `logo.py` module provides a `logo.png` base64-string.

The old `gtk2.xml` file is gone. It probably became obsolete
a long while back. The gtk3.xml is instead runtime-patched
to work with PyGTK/gtk2.


Dependencies
------------

If possible, make ST2 dependend on Python2 -or- Python3.
It's not yet practical, and probably against distro standards,
and only APT could so anyway. But if feasible...

Also, hard dependencies are meanwhile:

  - gtk (>= 2.16)
  - pygtk                           [or python-gi for python3]
  - python-requests (>= 2.0.0)
  - python-pyquery    [though most plugins would work without]
  - and its implied python-lxml

Optional dependencies (just affects a single plugin, which
semi-gracefully disables itself):

  - python-keybinder   [for global_key]
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FPM/XPM packaging
-----------------

You may have noticed (and scoffed at ;) the newer packaging
method. It's now using http://fossil.include-once.org/xpm/
with the `src` filter. (That's what the meta comment blocks
in the source modules were always meant for.)

Simplifies DEB and RPM packaging, as well as PYZ generation.
(They're all workable, but decidedly rather crude packages.
So yes, proper distro packages are very much still needed.)









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FPM/XPM packaging
-----------------

You may have noticed (and scoffed at ;) the newer packaging
method. It's now using http://fossil.include-once.org/xpm/
with the `-s src` filter. (That's what the meta comment blocks
in the source modules were always meant for.)

Simplifies DEB and RPM packaging, as well as PYZ generation.
(They're all workable, but decidedly rather crude packages.
So yes, proper distro packages are very much still needed.)


Modified channels/__init__.py from [f28fdd4cc1] to [b6c3442f9b].

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    # for empty grouping / categories
    placeholder = [dict(genre="./.", title="Subcategory placeholder", playing="./.", url="none:", listeners=0, bitrate=0, homepage="", state="gtk-folder")]
    empty_stub = [dict(genre="./.", title="No categories found (HTTP error)", playing="Try Channel→Reload Categories later..", url="none:", listeners=0, bitrate=0, homepage="", state="gtk-stop")]
    
    # regex            
    rx_www_url = re.compile("""(www(\.\w+[\w-]+){2,}|(\w+[\w-]+[ ]?\.)+(com|FM|net|org|de|PL|fr|uk))""", re.I)






    # constructor
    def __init__(self, parent=None):
    
        #self.streams = {}
        self.gtk_list = None
        self.gtk_cat = None







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    # for empty grouping / categories
    placeholder = [dict(genre="./.", title="Subcategory placeholder", playing="./.", url="none:", listeners=0, bitrate=0, homepage="", state="gtk-folder")]
    empty_stub = [dict(genre="./.", title="No categories found (HTTP error)", playing="Try Channel→Reload Categories later..", url="none:", listeners=0, bitrate=0, homepage="", state="gtk-stop")]
    
    # regex            
    rx_www_url = re.compile("""(www(\.\w+[\w-]+){2,}|(\w+[\w-]+[ ]?\.)+(com|FM|net|org|de|PL|fr|uk))""", re.I)



    #--------------------------- initialization --------------------------------


    # constructor
    def __init__(self, parent=None):
    
        #self.streams = {}
        self.gtk_list = None
        self.gtk_cat = None
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        self.parent = stub_parent(None)

        # only if streamtuner2 is run in graphical mode        
        if (parent):
            self.cache()
            self.gui(parent)
        pass
        
        
    # These are all implemented in main (where they don't belong!)
    def stations(self):
        return self.streams.get(self.current, [])
    def rowno(self):
        pass
    def row(self):
        pass
    

    # read previous channel/stream data, if there is any
    def cache(self):
        # stream list
        cache = conf.load("cache/" + self.module)
        if (cache):
            self.streams = cache
        # categories
        cache = conf.load("cache/categories_" + self.module)
        if (cache):
            self.categories = cache
        # catmap (optional)
        cache = conf.load("cache/catmap_" + self.module)
        if (cache):
            self.catmap = cache
        pass

        
    # initialize Gtk widgets / data objects
    def gui(self, parent):
        #print(self.module + ".gui()")

        # save reference to main window/glade API







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        self.parent = stub_parent(None)

        # only if streamtuner2 is run in graphical mode        
        if (parent):
            self.cache()
            self.gui(parent)
        pass



























        
    # initialize Gtk widgets / data objects
    def gui(self, parent):
        #print(self.module + ".gui()")

        # save reference to main window/glade API
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            self.load(self.current)
        else:
            uikit.columns(self.gtk_list, self.datamap, [])
            
        # add to main menu
        uikit.add_menu([parent.channelmenuitems], self.meta["title"], lambda w: parent.channel_switch_by_name(self.module) or 1)































































        
    # make private copy of .datamap and modify field (title= only ATM)
    def update_datamap(self, search="name", title=None):
        if self.datamap == GenericChannel.datamap:
            self.datamap = copy.deepcopy(self.datamap)
        for i,row in enumerate(self.datamap):
            if row[2][0] == search:







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            self.load(self.current)
        else:
            uikit.columns(self.gtk_list, self.datamap, [])
            
        # add to main menu
        uikit.add_menu([parent.channelmenuitems], self.meta["title"], lambda w: parent.channel_switch_by_name(self.module) or 1)


    # Statusbar stub (defers to parent/main window, if in GUI mode)
    def status(self, *v):
        if self.parent: self.parent.status(*v)
        else: __print__(dbg.INFO, "status():", *v)


        
    #--------------------- streams/model data accesss ---------------------------
        
    # Get list of stations in current category
    def stations(self):
        return self.streams.get(self.current, [])

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

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

    # Currently selected entry in stations list, return complete data dict
    def row(self):
        return self.stations() [self.rowno()]
        
    # Fetches a single varname from currently selected station entry
    def selected(self, name="url"):
        return self.row().get(name)
    
    # Inject status icon into currently selected row (used by main.bookmark() call)
    def row_icon(self, gtkIcon = gtk.STOCK_ABOUT):
        try:
            # Updates gtk_list store, set icon in current display.
            # Since it is used by bookmarks, would be reshown with next display() anyhow,
            # and there's no need to invalidate the ls cache, because that's referenced by model anyhow.
            (model,iter) = self.model_iter()
            model.set_value(iter, 0, gtkIcon)
        except:
             pass

    

    #------------------------ base implementations -----------------------------

    # read previous channel/stream data, if there is any
    def cache(self):
        # stream list
        cache = conf.load("cache/" + self.module)
        if (cache):
            self.streams = cache
        # categories
        cache = conf.load("cache/categories_" + self.module)
        if (cache):
            self.categories = cache
        # catmap (optional)
        cache = conf.load("cache/catmap_" + self.module)
        if (cache):
            self.catmap = cache
        pass

        
    # make private copy of .datamap and modify field (title= only ATM)
    def update_datamap(self, search="name", title=None):
        if self.datamap == GenericChannel.datamap:
            self.datamap = copy.deepcopy(self.datamap)
        for i,row in enumerate(self.datamap):
            if row[2][0] == search:
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        return self.current




    #--------------------------- actions ---------------------------------

    # invoke action.play,
    # can be overridden to provide channel-specific "play" alternative
    def play(self, row):

        if row.get("url"):

            # parameters
            audioformat = row.get("format", self.audioformat)
            listformat = row.get("listformat", self.listformat)

            # invoke audio player
            action.play(row["url"], audioformat, listformat)















    #--------------------------- utility functions -----------------------

    








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        return self.current




    #--------------------------- actions ---------------------------------

    # Invoke action.play() for current station.
    # Can be overridden to provide channel-specific "play" alternative
    def play(self):
        row = self.row()
        if row:
            # playlist and audio type

            audioformat = row.get("format", self.audioformat)
            listformat = row.get("listformat", self.listformat)

            # invoke audio player
            action.play(row["url"], audioformat, listformat, row)
        else:
            self.status("No station selected for playing.")
        return row

    # Start streamripper/youtube-dl/etc
    def record(self):
        row = self.row()
        if row:
            audioformat = row.get("format", self.audioformat)
            listformat = row.get("listformat", self.listformat)
            action.record(row.get("url"), audioformat, listformat, row=row)
        return row



    #--------------------------- utility functions -----------------------

    

Modified channels/bookmarks.py from [7e6a019f1a] to [c19e57d351].

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# layout. Which is why it derives from GenericChannel, and requires
# less setup.
#
# Furthermore it pretty much only handles a static streams{} list.
# Sub-plugins simply append a new category, and populate the streams
# list themselves.
#
# It's accessible as `main.bookmarks` in the ST2 window and elsewhere.
#
class bookmarks(GenericChannel):

    # desc
    module = "bookmarks"
    title = "bookmarks"
    base_url = "file:.config/streamtuner2/bookmarks.json"







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# layout. Which is why it derives from GenericChannel, and requires
# less setup.
#
# Furthermore it pretty much only handles a static streams{} list.
# Sub-plugins simply append a new category, and populate the streams
# list themselves.
#
# It's accessible as `parent.bookmarks` in the ST2 window and elsewhere.
#
class bookmarks(GenericChannel):

    # desc
    module = "bookmarks"
    title = "bookmarks"
    base_url = "file:.config/streamtuner2/bookmarks.json"
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    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"] = self.main.channel().listformat
           
        # append to storage
        self.streams["favourite"].append(row)
        self.save()
        self.load(self.default)
        self.urls.append(row["url"])








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    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"] = self.parent.channel().listformat
           
        # append to storage
        self.streams["favourite"].append(row)
        self.save()
        self.load(self.default)
        self.urls.append(row["url"])

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        # 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 self.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







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        # 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 self.parent.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

Modified channels/exportcat.py from [b38cb32770] to [1a24ff64fc].

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            uikit.add_menu([parent.extensions, parent.extensions_context], "Export all stations", self.savewindow)

    # Fetch streams from category, show "Save as" dialog, then convert URLs and export as playlist file
    def savewindow(self, *w):
        cn = self.parent.channel()
        source = cn.listformat
        streams = cn.streams[cn.current]
        fn = uikit.save_file("Export category", None, "stationlist." + conf.export_format)
        __print__(dbg.PROC, "Exporting category to", fn)
        if fn:
            dest = re.findall("\.(m3u|pls|xspf|jspf|json|smil|wpl)8?$", fn)[0]
            action.save_playlist(source="asis", multiply=False).store(rows=streams, fn=fn, dest=dest)
        pass            








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            uikit.add_menu([parent.extensions, parent.extensions_context], "Export all stations", self.savewindow)

    # Fetch streams from category, show "Save as" dialog, then convert URLs and export as playlist file
    def savewindow(self, *w):
        cn = self.parent.channel()
        source = cn.listformat
        streams = cn.streams[cn.current]
        fn = uikit.save_file("Export category", None, "%s.%s.%s" % (cn.module, cn.current, conf.export_format))
        __print__(dbg.PROC, "Exporting category to", fn)
        if fn:
            dest = re.findall("\.(m3u|pls|xspf|jspf|json|smil|wpl)8?$", fn)[0]
            action.save_playlist(source="asis", multiply=False).file(rows=streams, fn=fn, dest=dest)
        pass            

Modified st2.py from [707c0d6df4] to [c18d3ab85b].

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# This represents the main window, dispatches Gtk events,
# and shares most application behaviour with the channel modules.
class StreamTunerTwo(gtk.Builder):

    # object containers
    widgets = {}     # non-glade widgets (the manually instantiated ones)
    channels = {}    # channel modules
    features = {}    # non-channel plugins
    working = []     # threads
    hooks = {
        "play": [favicon.download_playing],  # observers queue here

        "init": [],
        "config_load": [],
        "config_save": [],
    }
    meta = plugin_meta()









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# This represents the main window, dispatches Gtk events,
# and shares most application behaviour with the channel modules.
class StreamTunerTwo(gtk.Builder):

    # object containers
    widgets = {}     # non-glade widgets (any manually instantiated ones)
    channels = {}    # channel modules
    features = {}    # non-channel plugins
    working = []     # threads
    hooks = {
        "play": [favicon.download_playing],  # observers queue here
        "record": [],
        "init": [],
        "config_load": [],
        "config_save": [],
    }
    meta = plugin_meta()


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        self.notebook_channels.set_current_page(self.channel_names.index(name))

    # Mirror selected channel tab into main window title
    def update_title(self):
        self.win_streamtuner2.set_title("Streamtuner2 - %s" % self.channel().meta.get("title"))


    # 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")
        if url and len(url): action.browser(url)
        else: self.status("No homepage URL present.")








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        self.notebook_channels.set_current_page(self.channel_names.index(name))

    # Mirror selected channel tab into main window title
    def update_title(self):
        self.win_streamtuner2.set_title("Streamtuner2 - %s" % self.channel().meta.get("title"))






    # Channel: row{} dict for current station

    def row(self):
        return self.channel().row()
        





    # Channel: fetch single varname from station row{} dict
    def selected(self, name="url"):
        return self.row().get(name)


            
    # Play button
    def on_play_clicked(self, widget, event=None, *args):
        self.status("Starting player...")
        row = self.channel().play()

        self.status("")
        [callback(row) for callback in self.hooks["play"]]

    # Recording: invoke streamripper for current stream URL
    def on_record_clicked(self, widget):
        self.status("Recording station...")
        row = self.channel().record()

        [callback(row) for callback in self.hooks["record"]]

    # Open stream homepage in web browser
    def on_homepage_stream_clicked(self, widget):
        url = self.selected("homepage")
        if url and len(url): action.browser(url)
        else: self.status("No homepage URL present.")

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        __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 = uikit.save_file("Save Stream", None, default_fn, [(".m3u","*m3u"),(".pls","*pls"),(".xspf","*xspf"),(".jspf","*jspf"),(".smil","*smil"),(".asx","*asx"),("all files","*")])
        if fn:
            source = row.get("listformat", self.channel().listformat)
            dest = (re.findall("\.(m3u|pls|xspf|jspf|json|smil|asx|wpl)8?$", fn) or ["pls"])[0]
            action.save_playlist(source=source, multiply=True).store(rows=[row], fn=fn, dest=dest)
        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()

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









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        __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())



        self.channel().row_icon(gtk.STOCK_ABOUT)


        # 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 = uikit.save_file("Save Stream", None, default_fn, [(".m3u","*m3u"),(".pls","*pls"),(".xspf","*xspf"),(".jspf","*jspf"),(".smil","*smil"),(".asx","*asx"),("all files","*")])
        if fn:
            source = row.get("listformat", self.channel().listformat)
            dest = (re.findall("\.(m3u|pls|xspf|jspf|json|smil|asx|wpl)8?$", fn) or ["pls"])[0]
            action.save_playlist(source=source, multiply=True).save(rows=[row], fn=fn, dest=dest)
        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):
        cn = self.channel()
        n = cn.rowno()
        del cn.stations()[ n ]
        cn.switch()
        cn.save()

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