Internet radio browser GUI for music/video streams from various directory services.

⌈⌋ ⎇ branch:  streamtuner2


Check-in [466f591a1a]

Overview
Comment:radionet updated to extract from horrendous new html pages. Perhaps switching to extracting just the JSON blob later on. urn: resolution remains unchanged.
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SHA1: 466f591a1a46c8c897f7621b41277885f526434b
User & Date: mario on 2020-05-12 15:57:26
Other Links: manifest | tags
Context
2020-05-12
16:17
temporary fix for MyOggRadio being offline. check-in: 7efd6c6ea2 user: mario tags: trunk
15:57
radionet updated to extract from horrendous new html pages. Perhaps switching to extracting just the JSON blob later on. urn: resolution remains unchanged. check-in: 466f591a1a user: mario tags: trunk
15:56
Update radiolist plugin for new wordpress site; now uses genre categories instead of countries. check-in: c952ce442c user: mario tags: trunk
Changes

Modified contrib/radionet.py from [06bc97f343] to [6f48b334fd].

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# encoding: UTF-8
# api: streamtuner2
# title: radio.net
# description: Europe's biggest radio platform
# url: http://radio.net/
# version: 0.9
# type: channel
# category: radio
# png:
#   iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAt0lEQVR42mNgYGD4r+Ar/F/BDwkD+SBxojBMs1mLPBArgGlFqEEENYMNQNLsukIDYkirAvGu
#   ABsA1OC6XOP/5f8nwIaYAg0k2gBFsAsgTgcZkvnfDugFEeK9AFKsCPMG0CU6eZJgQ4R1eP8H7LLEivWyFJANQcQCLPBAmkGG4MJohmA6C6QA5gI5OxEUDNII
#   MwSvASBFIA3ociCxkWQAKMDICkSQIpgh2LDnSmP80YhsCFEJiRIMADpmeUOpqgjRAAAAAElFTkSuQmCC
# priority: optional





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# encoding: UTF-8
# api: streamtuner2
# title: radio.net
# description: Europe's biggest radio platform
# url: http://radio.net/
# version: 1.0
# type: channel
# category: radio
# png:
#   iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAt0lEQVR42mNgYGD4r+Ar/F/BDwkD+SBxojBMs1mLPBArgGlFqEEENYMNQNLsukIDYkirAvGu
#   ABsA1OC6XOP/5f8nwIaYAg0k2gBFsAsgTgcZkvnfDugFEeK9AFKsCPMG0CU6eZJgQ4R1eP8H7LLEivWyFJANQcQCLPBAmkGG4MJohmA6C6QA5gI5OxEUDNII
#   MwSvASBFIA3ociCxkWQAKMDICkSQIpgh2LDnSmP80YhsCFEJiRIMADpmeUOpqgjRAAAAAElFTkSuQmCC
# priority: optional
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import re
from config import *
from channels import *
import ahttp
import action


# hook special JSON format in to avoid grepping images by generic handler
action.playlist_fmt_prio.insert(5, "rnjs")
action.playlist_content_map.insert(7, ("rnjs", r'"logo175x175rounded"'))
action.extract_playlist.extr_urls["rnjs"] = dict(
    url   = r" (?x) \"streamUrl\" \s*:\s* \"(\w+:\\?/\\?/[^\"]+)\" ",
    title = r" (?x) \"(?:description|seoTitle)\" \s*:\s* \"([^\"]+)\" ",
    unesc = "json",
)


# Radio.net
#
# · Uses HTML block-wise regex extraction.
#   → <a href="stationname.radio.net"> <img…> <strong>…</strong> <small>…</small>



#

# · There's an API key in each page listing, contained in a script block
#   as `apiKey: '…'?`
#
# · Which is needed for generating the station info JSON urls:
#   → https://api.radio.net/info/v2/search/station?apikey=…&pageindex=1&station=STNAME
#
# · To extract these JSON info targets, a custom extraction recipie is injected
#   into the action module.
#   → "streamUrl": and "description": are scanned for.
#



class radionet (ChannelPlugin):

    # control flags
    has_search = False
    audioformat = "audio/mpeg"
    listformat = "href"
    titles = dict(listeners=False, playing="Description")


    # sources
    apiPrefix = "https://api.radio.net/info/v2"
    genre_url = "http://www.radio.net/genre/{}"
    apiKey = None
    
    
    # Retrieve cat list and map
    def update_categories(self):
        html = ahttp.get("http://www.radio.net/")
        self.set_key(html)
        ls = re.findall("""<li><a class="language-info".*?>([\w\s']+)</a>""", html)
        self.categories = [i for i in ls][0:-18]


    # Fetch entries
    def update_streams(self, cat, search=None):

        # category page, get key

        html = ahttp.get(self.genre_url.format(cat))
        for p in range(2, 4):
            if html.find('"?p={}">'.format(p)) >= 0:
                html += ahttp.get(self.genre_url.format(cat) + "?p={}".format(p))
        self.set_key(html)
        r = []





        # split station blocks
        for row in re.findall("""<div class="stationinfo(.+?)</div>""", html, re.S):
            log.FOR_rOW(1)





















        
            # extract text fields
            d = re.findall("""
              <a\s+href="(?:https?:)?(//(?:[\w-]+)\.radio\.net/s/([^"]+)/?)" .*?
              <img[^>]+ src="([^<">]+)" .*?
              <strong[^>]*>(.*?)</strong> .*?
              <small[^>]*>\s*(.*?)\s*</small>
            """, row, re.X|re.S)
#            log.DATA_ROW(d)

            
            # refurbish extracted strings
            if d and len(d) and len(d[0]) == 5:
                href, name, img, title, desc = d[0]
                r.append(dict(
                    name = name,
                    genre = cat,
                    title = unhtml(title),
                    playing = unhtml(desc),
                    url = "urn:radionet:"+name, #self._url(name),
                    homepage = "http:{}".format(href),
                    img = img,

                ));
        return r

    # api search is gone, now requires to fetch streamUrl from per-radio homepage
    def resolve_urn(self, row):
        if row.get("url", "-").find("urn:radionet:") != 0:
            return
        html = ahttp.get(row["homepage"])
        stream = re.findall('"stream[s:[{"\s]+url"[\s:]+"([^"]+)"', html, re.S|re.I)
        if stream:
            row["url"] = stream[0]
            return row
    

    # extract JavaScript key from any HTML blob (needed for station query)
    def set_key(self, html):
        ls = re.findall("""apiKey: '(\w+)'""", html)
        if ls:
            self.apiKey = ls[0]










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import re
from config import *
from channels import *
import ahttp
import action


# obsolete: hook special JSON format in to avoid grepping images by generic handler
action.playlist_fmt_prio.insert(5, "rnjs")
action.playlist_content_map.insert(7, ("rnjs", r'"logo175x175rounded"'))
action.extract_playlist.extr_urls["rnjs"] = dict(
    url   = r" (?x) \"streamUrl\" \s*:\s* \"(\w+:\\?/\\?/[^\"]+)\" ",
    title = r" (?x) \"(?:description|seoTitle)\" \s*:\s* \"([^\"]+)\" ",
    unesc = "json",
)


# Radio.net
#
# · Uses HTML block-wise regex extraction.
#   → <div class="sc-1crnfmg-11 sc-1crnfmg-12 cYzyuZ"><a href="/s/kissfmuk">
#   → basically just title/url, images in a separate json blob
#
# · Currently using an urn: to resolve stream urls at play time.
#
# previously:
# · There's an API key in each page listing, contained in a script block
#   as `apiKey: '…'?`

# · Which is needed for generating the station info JSON urls:
#   → https://api.radio.net/info/v2/search/station?apikey=…&pageindex=1&station=STNAME

# · To extract these JSON info targets, a custom extraction recipie is injected
#   into the action module.
#   → "streamUrl": and "description": are scanned for.
#
# todo:
# · https://prod.radio-api.net/stations/local?count=10
#
class radionet (ChannelPlugin):

    # control flags
    has_search = False
    audioformat = "audio/mpeg"
    listformat = "href"
    titles = dict(listeners=False, playing="Description")
    img_resize = 33

    # sources
    apiPrefix = "https://api.radio.net/info/v2"
    genre_url = "http://www.radio.net/genre/{}"
    apiKey = None
    
    
    # Retrieve cat list and map
    def update_categories(self):
        html = ahttp.get("http://www.radio.net/genre")
        self.set_key(html)
        ls = re.findall("""<a class="[^"]+" href="/genre/(\w+)">([^<]+)</a>""", html)
        self.categories = ["Top 40 and Charts"] + [i[1] for i in ls]


    # Fetch entries
    def update_streams(self, cat, search=None):

        # category page, get key
        urlcat = cat.replace(" ", "-").lower()
        html = ahttp.get(self.genre_url.format(urlcat))
        for p in range(2, 4):
            if html.find('?p={}"'.format(p)) >= 0:
                html += ahttp.get(self.genre_url.format(urlcat) + "?p={}".format(p))
        self.set_key(html)
        r = []

        # prefetch images from embedded json (genres and location would also be sourceable from "playables":[…])
        imgs = dict(re.findall('\],"id":"(\w+)","logo100x100":"(htt[^"]+)",', html))
        #log.DATA(imgs)

        # top 100 of the most horrible html serializations
        """

        </div></a></div>
        <div class="sc-1crnfmg-11 sc-1crnfmg-12 cYzyuZ"><a href="/s/kissfmuk">
        <div class="sc-1crnfmg-8 cEmqZI">
        <div class="sc-1crnfmg-0 iDuFwr">
        <div class="lazyload-placeholder"></div>
        <div class="sc-1crnfmg-1 ezaTdn">
        <svg class="sc-1crnfmg-9 hQgRat" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 32 32"><path d="M4 32l25.26-16L4 0z"></path></svg>
        </div>
        </div>
        <div class="sc-1crnfmg-2 incVhC">
        <div class="sc-1crnfmg-3 chXIOx">KISS FM UK</div>
        <div class="sc-1crnfmg-5 fitBQg">London, <!-- -->United Kingdom<!-- --> / Hits, Pop, R'n'B</div>
        <div class="sc-1crnfmg-6 jaxcgd"></div>
        </div>
            {"city":"Hanover","country":"Germany","genres":["Pop","80s","Top 40 & Charts"],"id":"ndr2","logo100x100":"https://d3kle7qwymxpcy.cloudfront.net/images/broadcasts/02/33/2262/1/c100.png","logo300x300":"https://d3kle7qwymxpcy.cloudfront.net/images/broadcasts/02/33/2262/1/c300.png","logo630x630":"","name":"NDR 2","type":"STATION"}')
        """
        rx = re.compile("""
              <a\s+href="(?:https?:)?(?://(?:[\w-]+)\.radio\.net)?/s/([^"]+)/?"> .*?
              <div[^>]+> (\w[^<]+) </div> \s*
              <div[^>]+> (\w[^/]+) \s+ / \s+ (\w.+?)</div> 
            """, re.X|re.S
        )
        # extract text fields
        for d in re.findall(rx, html):





            #log.DATA_ROW(d)
            href, title, location, desc = d
            
            # refurbish extracted strings


            r.append(dict(
                name = href,
                genre = unhtml(desc),
                title = unhtml(title),
                playing = unhtml(location),
                url = "urn:radionet:"+href,
                homepage = "http://www.radio.net/s/{}".format(href),

                img = imgs.get(href, "https://www.radio.net/favicon.ico"),
            ));
        return r

    # api search is gone, now requires to fetch streamUrl from per-radio homepage
    def resolve_urn(self, row):
        if row.get("url", "-").find("urn:radionet:") != 0:
            return
        html = ahttp.get(row["homepage"])
        stream = re.findall('"stream[s:[{"\s]+url"[\s:]+"([^"]+)"', html, re.S|re.I)
        if stream:
            row["url"] = stream[0]
            return row


    # extract JavaScript key from any HTML blob (needed for station query)
    def set_key(self, html):
        ls = re.findall("""apiKey: '(\w+)'""", html)
        if ls:
            self.apiKey = ls[0]