import os
import sys
import json
import gzip
import platform
import re
import zlib
import zipfile
import inspect
import pkgutil

# find_executable() is only needed by channels/configwin
try:
    from distutils.spawn import find_executable

            if server in netrc:
                return netrc[server]
        


# Retrieve content from install path or pyzip archive (alias for pkgutil.get_data)
#
def get_data(fn, decode=False, z=False):
    try:
        bin = pkgutil.get_data("config", fn)
        if z:
            bin = zlib.decompress(bin)
        if decode:
            return bin.decode("utf-8")
        else:
            return str(bin)
    except:
        pass

# 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, gtk3.xml.zlib, bin, channels/__init__.py, bundle/*.py, CREDITS, help/index.page,
#   streamtuner2.desktop=/usr/share/applications/, README=/usr/share/doc/streamtuner2/,
#   help/streamtuner2.1=/usr/share/man/man1/, NEWS.gz=/usr/share/doc/streamtuner2/changelog.gz,
#   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.

    def channel(self):
        return self.channels[self.current_channel]

    # List of module titles for channel tabs
    @property
    def channel_names(self):
        n = self.notebook_channels
        return [n.get_menu_label_text(n.get_nth_page(i)) for i in range(0, n.get_n_pages())]

    # Returns the currently selected directory/channel object (from gtk)
    def current_channel_gtk(self):
        return self.channel_names[self.notebook_channels.get_current_page()]
    
        
    # Notebook tab has been clicked (receives numeric page_num), but *NOT* yet changed (visually).

        if event == 2 or event.type == gtk.gdk._2BUTTON_PRESS:
            __print__(dbg.UI, "dblclick")
            url = self.channel().meta.get("url", "https://duckduckgo.com/?q=" + self.channel().module)
            self.action.browser(url)

    # Reload stream list in current channel-category
    def on_reload_clicked(self, widget=None, reload=1):
        __print__(dbg.UI, "on_reload_clicked()", "reload=", reload, "current_channel=", self.current_channel, "c=", self.channels[self.current_channel], "cat=", self.channel().current)
        category = self.channel().current
        self.thread(
                       #@TODO: should get a wrapper, for HTTP errors, and optionalize bookamrks
            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()

    import gtk
    import gobject
    GdkPixbuf = gtk.gdk
    empty_pixbuf = GdkPixbuf.Pixbuf(gtk.gdk.COLORSPACE_RGB,True,8,16,16)
    empty_pixbuf.fill(0xFFFFFFFF)

# prepare gtkbuilder data
ui_xml = get_data("gtk3.xml.zlib", decode=True, z=True) or get_data("gtk3.xml", decode=True)
if ver == 2:
    ui_xml = ui_xml.replace('version="3.0"', 'version="2.16"')



# simplified gtk constructors               ---------------------------------------------
class uikit: