code.delx.au - webdl/blob - iview.py

   1 #!/usr/bin/env python
   2 # vim:ts=4:sts=4:sw=4:noet
   3
   4 from common import grab_xml, grab_json, download_rtmp, Node
   5 import itertools
   6
   7 BASE_URL = "http://www.abc.net.au/iview/"
   8 CONFIG_URL = BASE_URL + "xml/config.xml"
   9 HASH_URL = BASE_URL + "images/iview.jpg"
  10 NS = {
  11         "auth": "http://www.abc.net.au/iView/Services/iViewHandshaker",
  12 }
  13
  14 class IviewNode(Node):
  15         def __init__(self, title, parent, params, vpath):
  16                 Node.__init__(self, title, parent)
  17                 self.params = params
  18                 self.vpath = vpath
  19                 self.filename = self.title + "." + vpath.rsplit(".", 1)[1]
  20                 self.can_download = True
  21
  22         def download(self):
  23                 auth_doc = grab_xml(self.params["auth"], 0)
  24                 server = self.params["server_streaming"]
  25                 token = auth_doc.xpath("//auth:token/text()", namespaces=NS)[0]
  26                 playpath = auth_doc.xpath("//auth:path/text()", namespaces=NS)[0]
  27                 if playpath == "playback/_definst_/":
  28                         playpath = "flash/" + playpath
  29                 vbase = server + "?auth=" + token
  30                 vpath, ext = self.vpath.rsplit(".", 1)
  31                 vpath = ext + ":" + playpath + vpath
  32                 return download_rtmp(self.filename, vbase, vpath, HASH_URL)
  33
  34 class IviewSeriesNode(Node):
  35         def __init__(self, title, parent, params, series_id):
  36                 Node.__init__(self, title, parent)
  37                 self.params = params
  38                 self.series_id = series_id
  39
  40         def fill_children(self):
  41                 series_doc = grab_json(self.params["api"] + "series=" + self.series_id, 3600)
  42                 if not series_doc:
  43                         return
  44                 for episode in series_doc[0]["f"]:
  45                         vpath = episode["n"]
  46                         episode_title = episode["b"].strip()
  47                         if not episode_title.startswith(self.title):
  48                                 episode_title = self.title + " " + episode_title
  49                         if episode_title.lower().endswith(" (final)"):
  50                                 episode_title = episode_title[:-8]
  51                         IviewNode(episode_title, self, self.params, vpath)
  52
  53 class SeriesInfo(object):
  54         def __init__(self, title, sid, categories):
  55                 self.title = title
  56                 self.sid = sid
  57                 self.categories = categories
  58
  59 class IviewRootNode(Node):
  60         def __init__(self, parent):
  61                 Node.__init__(self, "ABC iView", parent)
  62                 self.params = {}
  63                 self.series_info = []
  64                 self.categories_map = {}
  65
  66         def load_params(self):
  67                 config_doc = grab_xml(CONFIG_URL, 24*3600)
  68                 for p in config_doc.xpath("/config/param"):
  69                         key = p.attrib["name"]
  70                         value = p.attrib["value"]
  71                         self.params[key] = value
  72
  73         def load_series(self):
  74                 series_list_doc = grab_json(self.params["api"] + "seriesIndex", 3600)
  75                 for series in series_list_doc:
  76                         title = series["b"].replace("&amp;", "&")
  77                         sid = series["a"]
  78                         categories = series["e"].split()
  79                         info = SeriesInfo(title, sid, categories)
  80                         self.series_info.append(info)
  81
  82         def load_categories(self):
  83                 categories_doc = grab_xml(BASE_URL + self.params["categories"], 24*3600)
  84                 by_channel = Node("By Channel", self)
  85                 by_genre = Node("By Genre", self)
  86                 for category in categories_doc.xpath("//category"):
  87                         cid = category.attrib["id"]
  88                         category_name = category.xpath("name/text()")[0]
  89                         if "genre" in category.attrib:
  90                                 parent = by_genre
  91                         elif cid in ["abc1", "abc2", "abc3", "abc4", "original"]:
  92                                 parent = by_channel
  93                         elif cid in ["featured", "recent", "last-chance", "trailers"]:
  94                                 parent = self
  95                         else:
  96                                 continue
  97                         node = Node(category_name, parent)
  98                         self.categories_map[cid] = node
  99
 100         def link_series(self):
 101                 # Create a duplicate within each category for each series
 102                 for s in self.series_info:
 103                         for cid in s.categories:
 104                                 parent = self.categories_map.get(cid)
 105                                 if parent:
 106                                         IviewSeriesNode(s.title, parent, self.params, s.sid)
 107
 108         def fill_children(self):
 109                 self.load_params()
 110                 self.load_series()
 111                 self.load_categories()
 112                 self.link_series()
 113
 114
 115 def fill_nodes(root_node):
 116         IviewRootNode(root_node)
 117