From 4d54ef20a291eabc523119ca60ff05f0962771a4 Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Sun, 24 Aug 2014 04:47:18 +0200
Subject: [PATCH] [ministrygrid] Add extractor (Fixes #2900)

---
 youtube_dl/extractor/__init__.py     |  1 +
 youtube_dl/extractor/generic.py      | 13 ++++++-
 youtube_dl/extractor/ministrygrid.py | 57 ++++++++++++++++++++++++++++
 3 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 youtube_dl/extractor/ministrygrid.py

diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index 52354e6e0..9dccbb8ed 100644
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -184,6 +184,7 @@ from .malemotion import MalemotionIE
 from .mdr import MDRIE
 from .metacafe import MetacafeIE
 from .metacritic import MetacriticIE
+from .ministrygrid import MinistryGridIE
 from .mit import TechTVMITIE, MITIE, OCWMITIE
 from .mitele import MiTeleIE
 from .mixcloud import MixcloudIE
diff --git a/youtube_dl/extractor/generic.py b/youtube_dl/extractor/generic.py
index 8b2d1d033..7fce564c6 100644
--- a/youtube_dl/extractor/generic.py
+++ b/youtube_dl/extractor/generic.py
@@ -22,6 +22,7 @@ from ..utils import (
     smuggle_url,
     unescapeHTML,
     unified_strdate,
+    unsmuggle_url,
     url_basename,
 )
 from .brightcove import BrightcoveIE
@@ -487,7 +488,14 @@ class GenericIE(InfoExtractor):
             else:
                 assert ':' in default_search
                 return self.url_result(default_search + url)
-        video_id = os.path.splitext(url.rstrip('/').split('/')[-1])[0]
+
+        url, smuggled_data = unsmuggle_url(url)
+        force_videoid = None
+        if smuggled_data and 'force_videoid' in smuggled_data:
+            force_videoid = smuggled_data['force_videoid']
+            video_id = force_videoid
+        else:
+            video_id = os.path.splitext(url.rstrip('/').split('/')[-1])[0]
 
         self.to_screen('%s: Requesting header' % video_id)
 
@@ -498,6 +506,9 @@ class GenericIE(InfoExtractor):
             new_url = response.geturl()
             if url != new_url:
                 self.report_following_redirect(new_url)
+                if force_videoid:
+                    new_url = smuggle_url(
+                        new_url, {'force_videoid': force_videoid})
                 return self.url_result(new_url)
 
             # Check for direct link to a video
diff --git a/youtube_dl/extractor/ministrygrid.py b/youtube_dl/extractor/ministrygrid.py
new file mode 100644
index 000000000..949ad11db
--- /dev/null
+++ b/youtube_dl/extractor/ministrygrid.py
@@ -0,0 +1,57 @@
+from __future__ import unicode_literals
+
+import json
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+    ExtractorError,
+    smuggle_url,
+)
+
+
+class MinistryGridIE(InfoExtractor):
+    _VALID_URL = r'https?://www\.ministrygrid.com/([^/?#]*/)*(?P<id>[^/#?]+)/?(?:$|[?#])'
+
+    _TEST = {
+        'url': 'http://www.ministrygrid.com/training-viewer/-/training/t4g-2014-conference/the-gospel-by-numbers-4/the-gospel-by-numbers',
+        'md5': '844be0d2a1340422759c2a9101bab017',
+        'info_dict': {
+            'id': '3453494717001',
+            'ext': 'mp4',
+            'title': 'The Gospel by Numbers',
+            'description': 'Coming soon from T4G 2014!',
+            'uploader': 'LifeWay Christian Resources (MG)',
+        },
+    }
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group('id')
+
+        webpage = self._download_webpage(url, video_id)
+        portlets_json = self._search_regex(
+            r'Liferay\.Portlet\.list=(\[.+?\])', webpage, 'portlet list')
+        portlets = json.loads(portlets_json)
+        pl_id = self._search_regex(
+            r'<!--\s*p_l_id - ([0-9]+)<br>', webpage, 'p_l_id')
+
+        for i, portlet in enumerate(portlets):
+            portlet_url = 'http://www.ministrygrid.com/c/portal/render_portlet?p_l_id=%s&p_p_id=%s' % (pl_id, portlet)
+            portlet_code = self._download_webpage(
+                portlet_url, video_id,
+                note='Looking in portlet %s (%d/%d)' % (portlet, i + 1, len(portlets)),
+                fatal=False)
+            video_iframe_url = self._search_regex(
+                r'<iframe.*?src="([^"]+)"', portlet_code, 'video iframe',
+                default=None)
+            if video_iframe_url:
+                surl = smuggle_url(
+                    video_iframe_url, {'force_videoid': video_id})
+                return {
+                    '_type': 'url',
+                    'id': video_id,
+                    'url': surl,
+                }
+
+        raise ExtractorError('Could not find video iframe in any portlets')