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

⌈⌋ ⎇ branch:  streamtuner2


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#
# encoding: UTF-8
# api: streamtuner2
# type: base
# category: ui
# title: Channel plugin handling
# description: Base implementation for channels and feature plugins
# version: 1.1
# license: public domain
# author: mario

# pack:
#   file.py  global_key.py  history.py  icast.py  internet_radio.py 
#   itunes.py  jamendo.py  links.py  live365.py  modarchive.py 
#   myoggradio.py  punkcast.py  shoutcast.py  surfmusik.py  tunein.py 
#   timer.py  xiph.py  youtube.py  radiotray.py  *.png
# priority: core
# config: -





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#
# encoding: UTF-8
# api: streamtuner2
# type: base
# category: ui
# title: Channel plugins
# description: Base implementation for channels and feature plugins
# version: 1.1
# license: public domain
# author: mario
# url: http://fossil.include-once.org/streamtuner2/
# pack:
#   file.py  global_key.py  history.py  icast.py  internet_radio.py 
#   itunes.py  jamendo.py  links.py  live365.py  modarchive.py 
#   myoggradio.py  punkcast.py  shoutcast.py  surfmusik.py  tunein.py 
#   timer.py  xiph.py  youtube.py  radiotray.py  *.png
# priority: core
# config: -
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import action
import favicon
import os.path
import xml.sax.saxutils
import re
import copy
import inspect



# Only export plugin classes
__all__ = [
    "GenericChannel", "ChannelPlugin", "module_list"
]



# Search through ./channels/ and get module basenames.
# Also order them by conf.channel_order
#
def module_list():

    # find plugin files
    ls = os.listdir(conf.share + "/channels/")
    ls = [fn[:-3] for fn in ls if re.match("^[a-z][\w\d_]+\.py$", fn)]
    
    # resort with tab order
    order = [module.strip() for module in conf.channel_order.lower().replace(".","_").replace("-","_").split(",")]
    ls = [module for module in (order) if (module in ls)] + [module for module in (ls) if (module not in order)]

    return ls



# dict==object
#class struct(dict):
#        def __init__(self, *xargs, **kwargs):
#                self.__dict__ = self
#                self.update(kwargs)
#                [self.update(x) for x in xargs]
#        pass


# generic channel module                            ---------------------------------------
class GenericChannel(object):

        # desc
        module = "generic"
        meta = {}
        title = "GenericChannel"
        homepage = "http://fossil.include-once.org/streamtuner2/"
        base_url = ""
        listformat = "audio/x-scpls"
        audioformat = "audio/mpeg" # fallback value
        config = []
        has_search = False








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import action
import favicon
import os.path
import xml.sax.saxutils
import re
import copy
import inspect
import pkgutil


# Only export plugin classes
__all__ = [
    "GenericChannel", "ChannelPlugin", "module_list"
]



# Search through ./channels/ and get module basenames.
# Also order them by conf.channel_order
#
def module_list():

    # Should list plugins within zips as well as local paths
    ls = pkgutil.iter_modules(["channels"])
    ls = [name for loader,name,ispkg in ls]
    
    # resort with tab order
    order = [module.strip() for module in conf.channel_order.lower().replace(".","_").replace("-","_").split(",")]
    ls = [module for module in (order) if (module in ls)] + [module for module in (ls) if (module not in order)]

    return ls












# generic channel module                            ---------------------------------------
class GenericChannel(object):

        # desc

        meta = { "config": [] }

        homepage = "http://fossil.include-once.org/streamtuner2/"
        base_url = ""
        listformat = "audio/x-scpls"
        audioformat = "audio/mpeg" # fallback value
        config = []
        has_search = False

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        # constructor
        def __init__(self, parent=None):
        
            #self.streams = {}
            self.gtk_list = None
            self.gtk_cat = None
            self.meta = plugin_meta(inspect.getsourcefile(inspect.getmodule(self)))
            self.config = self.meta["config"]


            # only if streamtuner2 is run in graphical mode        
            if (parent):
                self.cache()
                self.gui(parent)
            pass
            
            
        # called before application shutdown
        # some plugins might override this, to save their current streams[] data
        def shutdown(self):
            pass
        #__del__ = shutdown










            
            
        # returns station entries from streams[] for .current category
        def stations(self):
            return self.streams.get(self.current, [])
        def rowno(self):
            pass







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        # constructor
        def __init__(self, parent=None):
        
            #self.streams = {}
            self.gtk_list = None
            self.gtk_cat = None
            self.meta = plugin_meta(None, inspect.getcomments(inspect.getmodule(self)))
            self.config = self.meta.get("config", [])
            self.title = self.meta.get("title", self.module)

            # only if streamtuner2 is run in graphical mode        
            if (parent):
                self.cache()
                self.gui(parent)
            pass
            
            
        # called before application shutdown
        # some plugins might override this, to save their current streams[] data
        def shutdown(self):
            pass
        #__del__ = shutdown
        

        # get class name
        @property
        def module(self):
            return self.__class__.__name__
        # get title
        @property
        def title(self):
            return self.meta.get("title", self.module)
            
            
        # returns station entries from streams[] for .current category
        def stations(self):
            return self.streams.get(self.current, [])
        def rowno(self):
            pass
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            # load default category
            if (self.current):
                self.load(self.current)
            else:
                mygtk.columns(self.gtk_list, self.datamap, [])
                
            # add to main menu
            mygtk.add_menu(parent.channelmenuitems, self.title, lambda w: parent.channel_switch(w, 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):







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            # load default category
            if (self.current):
                self.load(self.current)
            else:
                mygtk.columns(self.gtk_list, self.datamap, [])
                
            # add to main menu
            mygtk.add_menu(parent.channelmenuitems, self.meta["title"], lambda w: parent.channel_switch(w, 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):
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                fn = "/usr/share/streamtuner2/channels/" + self.module + ".png"
                if os.path.exists(fn):
                    icon = gtk.Image()
                    icon.set_property("pixbuf", gtk.gdk.pixbuf_new_from_file(fn))
                    icon.set_property("icon-size", 1)
                    icon.set_property("visible", True)
                    label.pack_start(icon, expand=False, fill=True)
                if self.title:
                    text = gtk.Label(self.title)
                    text.set_property("visible", True)
                    label.pack_start(text, expand=True, fill=True)
                    
                # pack it into an event container to catch double-clicks
                ev_label = gtk.EventBox()
                ev_label.add(label)
                ev_label.connect('event', parent.on_homepage_channel_clicked)







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                fn = "/usr/share/streamtuner2/channels/" + self.module + ".png"
                if os.path.exists(fn):
                    icon = gtk.Image()
                    icon.set_property("pixbuf", gtk.gdk.pixbuf_new_from_file(fn))
                    icon.set_property("icon-size", 1)
                    icon.set_property("visible", True)
                    label.pack_start(icon, expand=False, fill=True)
                if self.meta["title"]:
                    text = gtk.Label(self.meta["title"])
                    text.set_property("visible", True)
                    label.pack_start(text, expand=True, fill=True)
                    
                # pack it into an event container to catch double-clicks
                ev_label = gtk.EventBox()
                ev_label.add(label)
                ev_label.connect('event', parent.on_homepage_channel_clicked)