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

⌈⌋ branch:  streamtuner2


Check-in [b973f0e385]

Overview
Comment:Slim down initialization (wrapper script for /usr/bin and pyzip will be used). Move module coupling into ST2 window constructor.
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SHA1: b973f0e3851cf87583589c00d650e5edb7f86029
User & Date: mario on 2015-04-01 11:16:39
Other Links: manifest | tags
Context
2015-04-01
11:17
Tried SVG for logo, but Gtk refuses to play along; given up. Set progressbar to no-show-all. check-in: ef90440dbf user: mario tags: trunk
11:16
Slim down initialization (wrapper script for /usr/bin and pyzip will be used). Move module coupling into ST2 window constructor. check-in: b973f0e385 user: mario tags: trunk
11:15
Remove gtk/visibility setting in favour of show_all(). Fix pixbuf creation, b64decode ignoring non-base64 data. check-in: 1786e24701 user: mario tags: trunk
Changes

Modified st2.py from [df1a1ff19b] to [15304419e8].

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# 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
# depends: pygtk | gi, threading, requests, pyquery, lxml
# 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/,
#   logo.png=/usr/share/pixmaps/streamtuner2.png,
# architecture: all
#
# Streamtuner2 is a GUI for browsing internet radio directories, music
# collections, and video services - grouped by genres or categories.
# It runs your preferred audio player, and streamripper for recording.
#
# 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 an objective.
#



# standard modules
import sys
import os
import re
from copy import copy
import inspect
import traceback
from threading import Thread

# add library path

sys.path.insert(0, "/usr/share/streamtuner2")   # pre-defined directory for modules
sys.path.insert(0, ".")   # development module path



# gtk modules
from uikit import pygtk, gtk, gobject, uikit, ui_xml, gui_startup, AboutStreamtuner2

# custom modules
from config import *   # initializes itself, so all conf.vars are available right away
import ahttp
import action
import logo
import favicon
import channels
import channels.bookmarks
import channels.configwin
import channels.streamedit
import channels.search



# this represents the main window
# and also contains most application behaviour
main = None
class StreamTunerTwo(gtk.Builder):

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


    # status variables
    channel_names = ["bookmarks"]    # order of channel notebook tabs
    current_channel = "bookmarks"    # currently selected channel name (as index in self.channels{})


    # constructor







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# 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
# depends: pygtk | gi, threading, requests, pyquery, lxml
# id: streamtuner2
# pack: *.py, gtk*.xml, bin=/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/,
#   logo.png=/usr/share/pixmaps/streamtuner2.png,
# architecture: all
#
# Streamtuner2 is a GUI for browsing internet radio directories, music
# collections, and video services - grouped by genres or categories.
# It runs your preferred audio player, and streamripper for recording.
#
# 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 an objective.




# standard modules
import sys
import os
import re
from copy import copy
import inspect
import traceback
from threading import Thread

# add library path (either global setup, or pyzip basename)
if not os.path.dirname(__file__) in sys.path:
    sys.path.insert(0, os.path.dirname(__file__))

# initializes itself, so all conf.vars are available right away
from config import *

# gtk modules
from uikit import pygtk, gtk, gobject, uikit, ui_xml, gui_startup, AboutStreamtuner2

# custom modules

import ahttp
import action
import logo
import favicon
import channels
import channels.bookmarks
import channels.configwin
import channels.streamedit
import channels.search



# 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
    add_signals = {} # channel gtk-handler signals
    hooks = {
        "play": [favicon.download_playing],  # observers queue here
        "init": [],
        "config_load": [],
        "config_save": [],
    }
    meta = plugin_meta()


    # status variables
    channel_names = ["bookmarks"]    # order of channel notebook tabs
    current_channel = "bookmarks"    # currently selected channel name (as index in self.channels{})


    # constructor
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        # dialogs that are connected to main
        self.features = {
          "search": channels.search.search(self),
          "configwin": channels.configwin.configwin(self),
          "streamedit": channels.streamedit.streamedit(self),
        }
        gui_startup(4/20.0)






        # append other channel modules and plugins
        self.load_plugin_channels()


        # load application state (widget sizes, selections, etc.)
        try:
            winlayout = conf.load("window")







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        # dialogs that are connected to main
        self.features = {
          "search": channels.search.search(self),
          "configwin": channels.configwin.configwin(self),
          "streamedit": channels.streamedit.streamedit(self),
        }
        gui_startup(4/20.0)

        # early module coupling
        action.main = self            # action (play/record) module needs a reference to main window for gtk interaction and some URL/URI callbacks
        self.action = action.action   # shorter name (could also become a features. entry...)
        ahttp.feedback = self.status  # http module gives status feedbacks too
        
        # append other channel modules and plugins
        self.load_plugin_channels()


        # load application state (widget sizes, selections, etc.)
        try:
            winlayout = conf.load("window")
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            # else
            "update_categories": self.update_categories,
            "update_favicons": self.update_favicons,
            "app_state": self.app_state,
            "bookmark": self.bookmark,
            "save_as": self.save_as,
            "menu_about": lambda w: AboutStreamtuner2(self),
            "menu_help": action.action.help,
            "menu_onlineforum": lambda w: action.browser("http://sourceforge.net/projects/streamtuner2/forums/forum/1173108"),
            "menu_fossilwiki": lambda w: action.browser("http://fossil.include-once.org/streamtuner2/"),
            "menu_projhomepage": lambda w: action.browser("http://milki.include-once.org/streamtuner2/"),
           # "menu_bugreport": lambda w: BugReport(),
            "menu_copy": self.menu_copy,
            "delete_entry": self.delete_entry,
            # search dialog
            "quicksearch_set": self.search.quicksearch_set,
            "search_open": self.search.menu_search,
            "search_go": self.search.cache_search,
            "search_srv": self.search.server_search,
            "search_cancel": self.search.cancel,
            "true": lambda w,*args: True,
            # win_streamedit
            "streamedit_open": self.streamedit.open,
            "streamedit_save": self.streamedit.save,
            "streamedit_new": self.streamedit.new,
            "streamedit_cancel": self.streamedit.cancel,
        }, **self.add_signals))
        
        # actually display main window
        self.win_streamtuner2.show()
        gui_startup(1.0)
        

    #-- 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):







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            # else
            "update_categories": self.update_categories,
            "update_favicons": self.update_favicons,
            "app_state": self.app_state,
            "bookmark": self.bookmark,
            "save_as": self.save_as,
            "menu_about": lambda w: AboutStreamtuner2(self),
            "menu_help": self.action.help,
            "menu_onlineforum": lambda w: self.action.browser("http://sourceforge.net/projects/streamtuner2/forums/forum/1173108"),
            "menu_fossilwiki": lambda w: self.action.browser("http://fossil.include-once.org/streamtuner2/"),
            "menu_projhomepage": lambda w: self.action.browser("http://milki.include-once.org/streamtuner2/"),
           # "menu_bugreport": lambda w: BugReport(),
            "menu_copy": self.menu_copy,
            "delete_entry": self.delete_entry,
            # search dialog
            "quicksearch_set": self.search.quicksearch_set,
            "search_open": self.search.menu_search,
            "search_go": self.search.cache_search,
            "search_srv": self.search.server_search,
            "search_cancel": self.search.cancel,
            "true": lambda w,*args: True,
            # win_streamedit
            "streamedit_open": self.streamedit.open,
            "streamedit_save": self.streamedit.save,
            "streamedit_new": self.streamedit.new,
            "streamedit_cancel": self.streamedit.cancel,
        }, **self.add_signals))
        
        # actually display main window
        self.win_streamtuner2.show_all()
        gui_startup(1.0)
        

    #-- 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):
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        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)  )







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        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()
        self.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")             
        self.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")
            self.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)  )
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    # 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"),(".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







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    # 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"),(".smil","*smil"),(".asx","*asx"),("all files","*")])
        if fn:
            self.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
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            sbar_msg.pop()
            uikit.do(lambda:self.statusbar.pop(sbar_cid))
        # progressbar
        if (type(text)==float):
            if (text >= 999.0/1000):  # completed
                uikit.do(lambda:self.progress.hide())
            else:  # show percentage
                uikit.do(lambda:self.progress.show() or self.progress.set_fraction(text))
                if (text <= 0):  # unknown state
                    uikit.do(lambda:self.progress.pulse())
        # add text
        elif (type(text)==str):
            sbar_msg.append(1)
            uikit.do(lambda:self.statusbar.push(sbar_cid, text))
        pass







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            sbar_msg.pop()
            uikit.do(lambda:self.statusbar.pop(sbar_cid))
        # progressbar
        if (type(text)==float):
            if (text >= 999.0/1000):  # completed
                uikit.do(lambda:self.progress.hide())
            else:  # show percentage
                uikit.do(lambda:self.progress.show_all() or self.progress.set_fraction(text))
                if (text <= 0):  # unknown state
                    uikit.do(lambda:self.progress.pulse())
        # add text
        elif (type(text)==str):
            sbar_msg.append(1)
            uikit.do(lambda:self.statusbar.push(sbar_cid, text))
        pass
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    # Right clicking a stream/station in the treeview to make context menu pop out.
    def station_context_menu(self, treeview, event):
        if event.button >= 3:
            path = treeview.get_path_at_pos(int(event.x), int(event.y))[0]
            treeview.grab_focus()
            treeview.set_cursor(path, None, False)
            main.streamactions.popup(
                  parent_menu_shell=None, parent_menu_item=None, func=None,
                  button=event.button, activate_time=event.time,
                  data=None
            )
            return None
        # else pass on to normal left-button signal handler
        else:
            return False






#-- run main
if __name__ == "__main__":

    # graphical
    if len(sys.argv) < 2 or "--gtk3" in sys.argv:

        # prepare for threading in Gtk+ callbacks
        gobject.threads_init()

        # prepare main window
        main = StreamTunerTwo()

        # module coupling
        action.main = main      # action (play/record) module needs a reference to main window for gtk interaction and some URL/URI callbacks
        action = action.action  # shorter name
        ahttp.feedback = main.status  # http module gives status feedbacks too

        # first invocation
        if (conf.get("firstrun")):
            main.configwin.open(None)
            del conf.firstrun

        # run
        gtk.main()
        __print__(dbg.PROC, r" gtk_main_quit ")
        
    # invoke command-line interface
    else:
        import cli
        cli.StreamTunerCLI()












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    # Right clicking a stream/station in the treeview to make context menu pop out.
    def station_context_menu(self, treeview, event):
        if event.button >= 3:
            path = treeview.get_path_at_pos(int(event.x), int(event.y))[0]
            treeview.grab_focus()
            treeview.set_cursor(path, None, False)
            self.streamactions.popup(
                  parent_menu_shell=None, parent_menu_item=None, func=None,
                  button=event.button, activate_time=event.time,
                  data=None
            )
            return None
        # else pass on to normal left-button signal handler
        else:
            return False





# startup procedure
def main():


    # graphical
    if len(sys.argv) < 2 or "--gtk3" in sys.argv:

        # prepare for threading in Gtk+ callbacks
        gobject.threads_init()

        # prepare main window
        main = StreamTunerTwo()






        # first invocation
        if (conf.get("firstrun")):
            main.configwin.open(None)
            del conf.firstrun

        # run
        gtk.main()
        __print__(dbg.PROC, r" gtk_main_quit ")
        
    # invoke command-line interface
    else:
        import cli
        cli.StreamTunerCLI()

# run
if __name__ == "__main__":
    main()