#    { arg: --gtk3, type: boolean,  name: gtk3,      description: Start with Gtk3 interface. }
#    { arg: --nt,   type: boolean,  name: nothreads, description: Disable threading/gtk_idle UI. }
#    { arg: -D,     type: boolean,  name: debug,     description: Enable debug messages on console }
#    { arg: action, type: str *,    name: action[],  description: CLI interface commands. }
#    { arg: -x,     type: boolean,  name: exit,      hidden: 1 }
#    { arg: -V,     type: boolean,  name: version,   description: Print version.  }
#    { arg: -w,     type: boolean,  name: pydoc,     hiden: 1  }
# version: 2.8
# priority: core
# depends: pluginconf >= 0.1, os, json, re, zlib, pkgutil
#
# Ties together the global conf.* object. It's typically used
# in the main application and modules with:
#
#   from config import *

        return players[typ][-1]
    
        
    # http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html
    def xdg(self, path="/streamtuner2"):
        home = os.environ.get("HOME", self.tmp)
        config = os.environ.get("XDG_CONFIG_HOME", os.environ.get("APPDATA", home+"/.config"))
        datadir = os.environ.get("XDG_CACHE_HOME", os.environ.get("APPDATA", home+"/.cache"))
        
        # storage dir
        self.dir = config + path
        self.datadir = datadir + path
        
        # create if necessary
        if (not os.path.exists(self.dir)):
            os.makedirs(self.dir)
        if (not os.path.exists(self.datadir)):
            os.makedirs(self.datadir)

        # symlink subdirs from .config to .cache
        self.xdg_move(self.dir, self.datadir, ["cache", "icons", "themes"])

    # move/symlink cache files/dirs into datadir
    def xdg_move(self, config_dir, cache_dir, folders):
        if self.windows:
            return
        for sub in folders:
            source, target = (dir+"/"+sub for dir in [config_dir, cache_dir])
            if not os.path.exists(target):
                if os.path.exists(source): # move .config/* to .cache/*
                    os.rename(source, target)
                else:
                    os.makedirs(target)    # create .cache/*
            if os.path.exists(target) and not os.path.exists(source):
                os.symlink(target, source) # symlink .config → .cache
       

    # store some configuration list/dict into a file                
    def save(self, name="settings", data=None, gz=0, nice=0):
        name = name + ".json"
        if (data is None):
            data = vars(self)
            if "args" in data:
                data.pop("args")
            nice = 1
        # target filename
        file = self.dir + "/" + name
        # check for subdir
        if (name.find("/") > 0):
            subdir = name[0:name.find("/")]
            subdir = self.datadir + "/" + subdir
            if (not os.path.exists(subdir)):
                os.mkdir(subdir)
                open(subdir+"/.nobackup", "w").close()

            file = self.datadir + "/" + name
        # encode as JSON
        try:
            data = json.dumps(data, indent=(4 if nice else None), sort_keys=True)
        except Exception as e:
            log.ERR("JSON encoding failed", e)
            return
        # .gz or normal file

        except TypeError as e:
            f.write(data)  # Python3 sometimes wants to write strings rather than bytes
        f.close()

    # retrieve data from config file            
    def load(self, name):
        name = name + ".json"
        if (name.find("/") > 0):
            file = self.datadir + "/" + name
        else:
            file = self.dir + "/" + name
        try:
            # .gz or normal file
            if os.path.exists(file + ".gz"):
                f = gzip.open(file + ".gz", self.open_mode)
            elif os.path.exists(file):
                f = open(file, self.open_mode)
            else: