# encoding: UTF-8
# api: streamtuner2
# title: radiolist.net
# description: Station list by continent+country
# url: http://radiolist.net/
# version: 0.4
# type: channel
# category: radio
# priority: extra
# png:
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# extraction-method: regex
#
# Radio station list grouped by continents and countries.
# Some categories return no results, because web players are
# filtered out.
import re
import action
import ahttp
from config import *
from channels import *
# radiolist.net
#
# · Groups stations by continents and countries. Where Europe seems to be the
# main category (empty "" path), while U.S. is labeled "/world", and Canada
# and Asia etc. again a subpath "/world/canada" even. The .catmap{} assigns
# paths to titles.
#
# · Playlist formats vary wildly. Therefore this module comes with a guessing
# method (super crude) of its own.
#
# · The audio-format-from-URL guessing should be generalized out of here perhaps.
#
# · Each station is in a <tr>…</tr> block. Invidual regexps are used for field
# extraction afterwards (instead of a block match).
#
# · Entries may contain more than one streaming url. Each accompanied by a
# bitrate. → Therefore the .best_url() sorting method.
#
# · Later versions might of course use multi-urls again…
#
class radiolist (ChannelPlugin, action.heuristic_funcs):
# module attributes
listformat = "pls"
has_search = False
categories = ["Europe", "America", "Canada", "Oceania", "Asia"]
catmap = {"Europe":"", "America":"world", "Canada":"world/canada", "Oceania":"world/oceania", "Asia":"world/asia"}
titles = dict( genre="Genre", title="Station", playing="Location", bitrate="Bitrate", listeners=False )
# just a static list for now
def update_categories(self):
self.catmap = {"Europe":"", "America":"world", "Canada":"world/canada", "Oceania":"world/oceania", "Asia":"world/asia"}
c = []#
rx_links = re.compile(r"""
<td(?:\sstyle="height:\s30px;")?><a\s+href="(?:http://www.radiolist.net)?/([\w/.-]+)">([\w\s-]+)</a>[^<]*</td>
""", re.X)
for title in ["Europe", "America", "Canada", "Oceania", "Asia"]:
c.append(title)
html = ahttp.get("http://www.radiolist.net/" + self.catmap[title])
sub = []
for p,t in re.findall(rx_links, html):
if t in ["Terms", "About Us", "Donation", "United States"]:
continue
sub.append(t)
self.catmap[t] = p
c.append(sorted(sub))
self.categories = c
# extract stream urls
def update_streams(self, cat):
rx_title = re.compile('<a\s+href="([^">]+)"[^>]+target="_blank"[^>]*>(.+?)</a>', re.I)
rx_urls = re.compile('<a href="([^">]+)">(\d+)(?: Kbps)*</a>', re.I)
rx_genre = re.compile('<td[^>]+>(\w*[^<>]*)</td>\s*<td[^>]+>(\w+[^<>]+)</td>\s*$', re.I)
entries = []
html = ahttp.get("http://radiolist.net/" + self.catmap[cat])
log.DATA(html)
for block in re.findall("<tr>(.+?)</tr>", html, re.S):
log.BLOCK(block)
ut = re.findall(rx_title, block) # homepage+title
uu = re.findall(rx_urls, block) # urls+bitrates
lg = re.findall(rx_genre, block) # location+genre
#print ut, uu, lg
if ut and uu and lg:
log.D(ut,uu,lg)
url, br = self.best_url(uu)
entries.append(dict(
homepage = ut[0][0],
title = unhtml(ut[0][1]),
url = url,
bitrate = br,
format = self.mime_guess(url, "audio/mpeg"),
listformat = self.list_guess(url),
playing = lg[0][0],
genre = lg[0][1]
))
# done
[log.DATA(e) for e in entries]
return entries
# pick highest rated URL from [(url,bitrate),…] tuples
def best_url(self, urls):
r = dict([(u, to_int(b)) for u,b in urls]) # {url: bitrate, …}
best = sorted(r, key=r.get, reverse=True)
return best[0], r[best[0]]