# encoding: UTF-8
# api: streamtuner2
# title: Compound★
# description: combines station lists from multiple channels
# version: 0.2
# type: channel
# category: virtual
# url: http://fossil.include-once.org/streamtuner2/
# config: -
# { name: compound_channels, type: text, value: "shoutcast, internet_radio, xiph, surfmusik", description: "Channels to merge station lists from." }
# { name: compound_genres, type: text, value: "Top 40", description: "Extract specific/favourite categories." }
# { name: compound_intersect, type: boolean, value: 1, description: "Intersect genres which exist in 2 or more channels." }
# priority: unsupported
# png:
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# png-orig: https://openclipart.org/detail/215936/audio
#
# Use this plugin to mix categories and their station entries from two
# or more different directory channels. It merges the lists, albeit in
# a simplistic way.
#
# Per default it lists only selected categories. But can be configured to
# merge just intersectioning categories/genres. Entry order is determined
# from station occourence count in channels AND their individual listener
# count (where available) using some guesswork to eliminate duplicates.
from channels import *
import action
from config import conf
# Merges categories from different channels
class compound (ChannelPlugin):
# runtime options
has_search = False
listformat = "href" # row entries will contain exact `listformat` classification
audioformat = "audio/*" # same as for correct encoding mime type
# references
parent = None
# data
streams = {}
categories = []
# Which categories
def update_categories(self):
# As-is category list
cats = self.split(conf.compound_genres)
self.categories = [c for c in cats if c != "x"]
# Genre intersection requested
if conf.compound_intersect:
once = []
for chan in self.channels():
for add in self.flatten(self.parent.channels[chan].categories):
# second occourence in two channels
if add.lower() in once:
if add not in self.categories:
self.categories.append(add)
else: #if add not in self.categories:
once.append(add.lower())
# flatten our two-level categories list
def flatten(self, a):
return [i for sub in a for i in (sub if type(sub)==list else [sub])]
# break up name lists
def split(self, s):
return [s.strip() for s in s.split(",")]
# List of channels
def channels(self):
# get list
ls = self.split(conf.compound_channels)
# resolve "*"
if "*" in ls:
ls = self.parent.channel_names # includes bookmarks
if self.module in ls:
ls.remove(self.module) # but not compound
return ls
# Combine stream lists
def update_streams(self, cat):
r = []
have = []
# Look through channels
if cat in self.categories:
for cn in self.channels():
# Get channel, refresh list
c = self.parent.channels.get(cn)
if not cn:
continue # skip misnamed pugins
#
for row in self.get_streams(c, cat):
# copy
row = dict(row)
#row["listeners"] = 1000 + row.get("listeners", 0) / 10
row["extra"] = cn # or genre?
row["listformat"] = c.listformat
# duplicates
if row["title"].lower() in have or row["url"] in have:
for i,cmp in enumerate(r):
if cmp["title"].lower()==row["title"].lower() or cmp["url"].find(row["url"])>=0:
r[i]["listeners"] = row.get("listeners",0) + 5000
pass
else:
r.append(row)
have.append(row["title"].lower()) # we're comparing lowercase titles
have.append(row["url"][:row["url"].find("http://")]) # save last http:// part (internet-radio redirects to shoutcast urls)
# sort by listeners
r = sorted(r, key=lambda x: -x.get("listeners", 0))
return r
# extract station list from other channel plugin
def get_streams(self, c, cat):
# if empty?
#c.load(cat)
return c.streams.get(cat) \
or c.update_streams(cat.replace(" ","")) \
or []