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

⌈⌋ ⎇ branch:  streamtuner2


Check-in [fd03da93ec]

Overview
Comment:Simpler rx/dom alternation code.
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SHA1: fd03da93ecc26d15f221e73687a76a7d9cee3eba
User & Date: mario on 2014-05-28 01:33:43
Other Links: manifest | tags
Context
2014-05-28
13:01
New logo, updated documentation. check-in: 433bf11914 user: mario tags: trunk
01:33
Simpler rx/dom alternation code. check-in: fd03da93ec user: mario tags: trunk
01:33
Prevent ComboBoxText in settings dialog to take focus when scrolling over per mousewheel. check-in: 0d8e75189e user: mario tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified channels/shoutcast.py from [a7dc35c676] to [1f0bcc3bc0].

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                "string": "",
                "cat": cat,
                "order": "listeners",
                "amount": conf.max_streams,
            }
            referer = "http://www.shoutcast.com/?action=sub&cat="+cat
            html = http.get(url, params=params, referer=referer, ajax=1)


            #__print__(dbg.DATA, html)
            #__print__(re.compile("id=(\d+)").findall(html));
            # new html
            """ 
            <tr>
               <td width="6%"><a href="#" onClick="window.open('player/?radname=Schlagerhoelle%20%2D%20das%20Paradies%20fr%20Schlager%20%20und%20Discofox&stationid=14687&coding=MP3','radplayer','height=232,width=776')"><img class="icon transition" src="/img/icon-play.png" alt="Play"></a></td>
               <td width="30%"><a class="transition" href="http://yp.shoutcast.com/sbin/tunein-station.pls?id=14687">Schlagerhoelle - das Paradies fr Schlager  und Discofox</a></td>
               <td width="12%" style="text-align:left;" width="10%">Oldies</td>
               <td width="12%" style="text-align:left;" width="10%">955</td>
               <td width="12%" style="text-align:left;" width="10%">128</td>
               <td width="12%" style="text-align:left;" width="10%">MP3</td>
            </tr>
            """

            # With the new shallow <td> lists it doesn't make much sense to use
            # the pyquery DOM traversal. There aren't any sensible selectors to
            # extract values; it's just counting the tags.

            # And there's a bug in PyQuery 1.2.4 and CssSelector. So make two
            # attempts, alternate between regex and DOM; user preference first.
            entries = []

            use_regex = not conf.get("pyquery") or not pq
            retry = 2
            while retry and not entries:
               retry -= 1
               try:
                  if use_regex:
                      entries = self.with_regex(html)
                  else:
                      entries = self.with_dom(html)

               except Exception as e:
                  __print__(dbg.ERR, e)
               use_regex ^= 1

            return entries


        # Extract using regex
        def with_regex(self, html):
            __print__(dbg.PROC, "channels.shoutcast.update_streams: regex scraping mode")
            rx_stream = re.compile(








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                "string": "",
                "cat": cat,
                "order": "listeners",
                "amount": conf.max_streams,
            }
            referer = "http://www.shoutcast.com/?action=sub&cat="+cat
            html = http.get(url, params=params, referer=referer, ajax=1)
            self.parent.status(0.75)

            #__print__(dbg.DATA, html)
            #__print__(re.compile("id=(\d+)").findall(html));
            # new html
            """ 
            <tr>
               <td width="6%"><a href="#" onClick="window.open('player/?radname=Schlagerhoelle%20%2D%20das%20Paradies%20fr%20Schlager%20%20und%20Discofox&stationid=14687&coding=MP3','radplayer','height=232,width=776')"><img class="icon transition" src="/img/icon-play.png" alt="Play"></a></td>
               <td width="30%"><a class="transition" href="http://yp.shoutcast.com/sbin/tunein-station.pls?id=14687">Schlagerhoelle - das Paradies fr Schlager  und Discofox</a></td>
               <td width="12%" style="text-align:left;" width="10%">Oldies</td>
               <td width="12%" style="text-align:left;" width="10%">955</td>
               <td width="12%" style="text-align:left;" width="10%">128</td>
               <td width="12%" style="text-align:left;" width="10%">MP3</td>
            </tr>
            """

            # With the new shallow <td> lists it doesn't make much sense to use
            # the pyquery DOM traversal. There aren't any sensible selectors to
            # extract values; it's just counting the tags.
            #
            # And there's a bug in PyQuery 1.2.4 and CssSelector. So make two
            # attempts, alternate between regex and DOM; user preference first.

            #
            for use_rx in [not conf.pyquery or not pq, conf.pyquery]:



                try:

                    entries = (self.with_regex(html) if use_rx else self.with_dom(html))

                    if len(entries):
                        break
                except Exception as e:
                    __print__(dbg.ERR, e)

                    continue
            return entries


        # Extract using regex
        def with_regex(self, html):
            __print__(dbg.PROC, "channels.shoutcast.update_streams: regex scraping mode")
            rx_stream = re.compile(
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                    "format": self.mime_fmt(fmt),
                }]
            return entries


        # Iterate over DOM instead
        def with_dom(self, html):
            __print__(dbg.PROC, "channels.shoutcast.update_streams: attempt DOM/PyQuery processing")
            entries = []
            for div in (pq(e) for e in pq(html).find("tr")):
                entries.append({
                     "title": div.find("a.transition").text(),
                     "url": div.find("a.transition").attr("href"),
                     "homepage": "",
                     "listeners": int(div.find("td:eq(3)").text()),








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                    "format": self.mime_fmt(fmt),
                }]
            return entries


        # Iterate over DOM instead
        def with_dom(self, html):
            __print__(dbg.PROC, "channels.shoutcast.update_streams: attempt PyQuery/DOM traversal")
            entries = []
            for div in (pq(e) for e in pq(html).find("tr")):
                entries.append({
                     "title": div.find("a.transition").text(),
                     "url": div.find("a.transition").attr("href"),
                     "homepage": "",
                     "listeners": int(div.find("td:eq(3)").text()),
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