# retrieve and parse
    def update_streams(self, cat, force=0, search=None):

        entries = []
        channels = self.categories[self.categories.index("my channels") + 1]
        self.parent.status(-0.1)
        
        # Most Popular
        if cat == "mostPopular":
            #for row in self.api("feeds/api/standardfeeds/%s/most_popular"%conf.youtube_region, ver=2):
            #    entries.append(self.wrap2(row))
            for row in self.api("videos", chart="mostPopular", regionCode=conf.youtube_region):
                entries.append( self.wrap3(row, {"genre": "mostPopular"}) )

                entries.append( self.wrap3(row, {"genre": ""}) )
        
        # empty entries
        else:
            entries = [dict(title="Placeholder for subcategories", genre="./.", playing="./.", url="http://youtube.com/")]
 
        # done    
        self.parent.status(1.0)
        return entries
        

    
    # Search for channel name:
    def channel_id(self, title):
        id = self.channel2id.get(title)

    #-- Retrieve Youtube API query results
    #
    def api(self, method, ver=3, pages=5, **params):
        items = []

        # URL and default parameters
        (base_url, defaults) = self.service[ver]
        #params = dict(  defaults.items() | params.items()  )
        params = dict( defaults, **params )

        # Retrieve data set
        while pages > 0:
            j = ahttp.get(base_url + method, params=params)
            #__print__(dbg.DATA, j)
            if j:
                # json decode

            elif "pageInfo" in data and data["pageInfo"]["totalResults"] < 50:
                pages = 0
            elif "nextPageToken" in data:
                params["pageToken"] = data["nextPageToken"]
                pages -= 1
            else:
                pages = 0
            self.parent.status( (11 - 1.852 * pages) / 10.0 )

        return items



    # Wrap API 3.0 result into streams row
    def wrap3(self, row, data):