From 1f27d2c0e113cca4e38bb63ba5bf173a01044fd2 Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Mon, 21 Apr 2014 02:34:34 +0200
Subject: [PATCH] [steam] Add support for steamcommunity.com (Fixes #2757)

---
 youtube_dl/extractor/steam.py | 119 ++++++++++++++++++++++------------
 1 file changed, 78 insertions(+), 41 deletions(-)

diff --git a/youtube_dl/extractor/steam.py b/youtube_dl/extractor/steam.py
index 89ac52e66..1d8d57224 100644
--- a/youtube_dl/extractor/steam.py
+++ b/youtube_dl/extractor/steam.py
@@ -10,15 +10,18 @@ from ..utils import (
 
 
 class SteamIE(InfoExtractor):
-    _VALID_URL = r"""(?x)http://store\.steampowered\.com/
-                (agecheck/)?
-                (?P<urltype>video|app)/ #If the page is only for videos or for a game
-                (?P<gameID>\d+)/?
-                (?P<videoID>\d*)(?P<extra>\??) #For urltype == video we sometimes get the videoID
-                """
+    _VALID_URL = r"""(?x)
+        https?://store\.steampowered\.com/
+            (agecheck/)?
+            (?P<urltype>video|app)/ #If the page is only for videos or for a game
+            (?P<gameID>\d+)/?
+            (?P<videoID>\d*)(?P<extra>\??) # For urltype == video we sometimes get the videoID
+        |
+        https?://(?:www\.)?steamcommunity\.com/sharedfiles/filedetails/\?id=(?P<fileID>[0-9]+)
+    """
     _VIDEO_PAGE_TEMPLATE = 'http://store.steampowered.com/video/%s/'
     _AGECHECK_TEMPLATE = 'http://store.steampowered.com/agecheck/video/%s/?snr=1_agecheck_agecheck__age-gate&ageDay=1&ageMonth=January&ageYear=1970'
-    _TEST = {
+    _TESTS = [{
         "url": "http://store.steampowered.com/video/105600/",
         "playlist": [
             {
@@ -43,44 +46,78 @@ class SteamIE(InfoExtractor):
         'params': {
             'playlistend': 2,
         }
-    }
+    }, {
+        'url': 'http://steamcommunity.com/sharedfiles/filedetails/?id=242472205',
+        'info_dict': {
+            'id': 'WB5DvDOOvAY',
+            'ext': 'mp4',
+            'upload_date': '20140329',
+            'title': 'FRONTIERS - Final Greenlight Trailer',
+            'description': "The final trailer for the Steam Greenlight launch. Hooray, progress! Here's the official Greenlight page: http://steamcommunity.com/sharedfiles/filedetails/?id=242472205",
+            'uploader': 'AAD Productions',
+            'uploader_id': 'AtomicAgeDogGames',
+        }
+    }]
 
     def _real_extract(self, url):
-        m = re.match(self._VALID_URL, url, re.VERBOSE)
-        gameID = m.group('gameID')
-
-        videourl = self._VIDEO_PAGE_TEMPLATE % gameID
-        webpage = self._download_webpage(videourl, gameID)
+        m = re.match(self._VALID_URL, url)
+        fileID = m.group('fileID')
+        if fileID:
+            videourl = url
+            playlist_id = fileID
+        else:
+            gameID = m.group('gameID')
+            playlist_id = gameID
+            videourl = self._VIDEO_PAGE_TEMPLATE % playlist_id
+        webpage = self._download_webpage(videourl, playlist_id)
 
         if re.search('<h2>Please enter your birth date to continue:</h2>', webpage) is not None:
-            videourl = self._AGECHECK_TEMPLATE % gameID
+            videourl = self._AGECHECK_TEMPLATE % playlist_id
             self.report_age_confirmation()
-            webpage = self._download_webpage(videourl, gameID)
+            webpage = self._download_webpage(videourl, playlist_id)
+
+        if fileID:
+            playlist_title = self._html_search_regex(
+                r'<div class="workshopItemTitle">(.+)</div>', webpage, 'title')
+            mweb = re.finditer(r'''(?x)
+                'movie_(?P<videoID>[0-9]+)':\s*\{\s*
+                YOUTUBE_VIDEO_ID:\s*"(?P<youtube_id>[^"]+)",
+                ''', webpage)
+            videos = [{
+                '_type': 'url',
+                'url': vid.group('youtube_id'),
+                'ie_key': 'Youtube',
+            } for vid in mweb]
+        else:
+            playlist_title = self._html_search_regex(
+                r'<h2 class="pageheader">(.*?)</h2>', webpage, 'game title')
 
-        self.report_extraction(gameID)
-        game_title = self._html_search_regex(r'<h2 class="pageheader">(.*?)</h2>',
-                                             webpage, 'game title')
+            mweb = re.finditer(r'''(?x)
+                'movie_(?P<videoID>[0-9]+)':\s*\{\s*
+                FILENAME:\s*"(?P<videoURL>[\w:/\.\?=]+)"
+                (,\s*MOVIE_NAME:\s*\"(?P<videoName>[\w:/\.\?=\+-]+)\")?\s*\},
+                ''', webpage)
+            titles = re.finditer(
+                r'<span class="title">(?P<videoName>.+?)</span>', webpage)
+            thumbs = re.finditer(
+                r'<img class="movie_thumb" src="(?P<thumbnail>.+?)">', webpage)
+            videos = []
+
+            for vid, vtitle, thumb in zip(mweb, titles, thumbs):
+                video_id = vid.group('videoID')
+                title = vtitle.group('videoName')
+                video_url = vid.group('videoURL')
+                video_thumb = thumb.group('thumbnail')
+                if not video_url:
+                    raise ExtractorError('Cannot find video url for %s' % video_id)
+                videos.append({
+                    'id': video_id,
+                    'url': video_url,
+                    'ext': 'flv',
+                    'title': unescapeHTML(title),
+                    'thumbnail': video_thumb
+                })
+        if not videos:
+            raise ExtractorError('Could not find any videos')
 
-        mweb = re.finditer(
-            r"'movie_(?P<videoID>\d+)': \{\s*FILENAME: \"(?P<videoURL>[\w:/\.\?=]+)\"(,\s*MOVIE_NAME: \"(?P<videoName>[\w:/\.\?=\+-]+)\")?\s*\},",
-            webpage)
-        titles = re.finditer(
-            r'<span class="title">(?P<videoName>.+?)</span>', webpage)
-        thumbs = re.finditer(
-            r'<img class="movie_thumb" src="(?P<thumbnail>.+?)">', webpage)
-        videos = []
-        for vid, vtitle, thumb in zip(mweb, titles, thumbs):
-            video_id = vid.group('videoID')
-            title = vtitle.group('videoName')
-            video_url = vid.group('videoURL')
-            video_thumb = thumb.group('thumbnail')
-            if not video_url:
-                raise ExtractorError('Cannot find video url for %s' % video_id)
-            videos.append({
-                'id': video_id,
-                'url': video_url,
-                'ext': 'flv',
-                'title': unescapeHTML(title),
-                'thumbnail': video_thumb
-            })
-        return self.playlist_result(videos, gameID, game_title)
+        return self.playlist_result(videos, playlist_id, playlist_title)