From a337fce21cb4d334c64f01589f48039ae4f9d5c4 Mon Sep 17 00:00:00 2001
From: WassimAttar <wassim.attar@free.fr>
Date: Sat, 27 Dec 2014 21:35:58 +0100
Subject: [PATCH] [arte] "quality" key test

When the "quality" key does not exist, it crashes the application.
So the existence of "quality" key must be tested before requesting it.
You can test with this command, with the current version youtube-dl crashes
youtube-dl -F http://www.arte.tv/guide/fr/052414-003/repas-de-fete
---
 youtube_dl/extractor/arte.py | 79 ++++++++++++++++++------------------
 1 file changed, 40 insertions(+), 39 deletions(-)

diff --git a/youtube_dl/extractor/arte.py b/youtube_dl/extractor/arte.py
index 219631b9b..79ccfa506 100644
--- a/youtube_dl/extractor/arte.py
+++ b/youtube_dl/extractor/arte.py
@@ -106,45 +106,46 @@ class ArteTVPlus7IE(InfoExtractor):
         formats = []
         for format_id, format_dict in player_info['VSR'].items():
             f = dict(format_dict)
-            versionCode = f.get('versionCode')
-
-            langcode = {
-                'fr': 'F',
-                'de': 'A',
-            }.get(lang, lang)
-            lang_rexs = [r'VO?%s' % langcode, r'VO?.-ST%s' % langcode]
-            lang_pref = (
-                None if versionCode is None else (
-                    10 if any(re.match(r, versionCode) for r in lang_rexs)
-                    else -10))
-            source_pref = 0
-            if versionCode is not None:
-                # The original version with subtitles has lower relevance
-                if re.match(r'VO-ST(F|A)', versionCode):
-                    source_pref -= 10
-                # The version with sourds/mal subtitles has also lower relevance
-                elif re.match(r'VO?(F|A)-STM\1', versionCode):
-                    source_pref -= 9
-            format = {
-                'format_id': format_id,
-                'preference': -10 if f.get('videoFormat') == 'M3U8' else None,
-                'language_preference': lang_pref,
-                'format_note': '%s, %s' % (f.get('versionCode'), f.get('versionLibelle')),
-                'width': int_or_none(f.get('width')),
-                'height': int_or_none(f.get('height')),
-                'tbr': int_or_none(f.get('bitrate')),
-                'quality': qfunc(f['quality']),
-                'source_preference': source_pref,
-            }
-
-            if f.get('mediaType') == 'rtmp':
-                format['url'] = f['streamer']
-                format['play_path'] = 'mp4:' + f['url']
-                format['ext'] = 'flv'
-            else:
-                format['url'] = f['url']
-
-            formats.append(format)
+            if  'quality' in f :
+                versionCode = f.get('versionCode')
+    
+                langcode = {
+                    'fr': 'F',
+                    'de': 'A',
+                }.get(lang, lang)
+                lang_rexs = [r'VO?%s' % langcode, r'VO?.-ST%s' % langcode]
+                lang_pref = (
+                    None if versionCode is None else (
+                        10 if any(re.match(r, versionCode) for r in lang_rexs)
+                        else -10))
+                source_pref = 0
+                if versionCode is not None:
+                    # The original version with subtitles has lower relevance
+                    if re.match(r'VO-ST(F|A)', versionCode):
+                        source_pref -= 10
+                    # The version with sourds/mal subtitles has also lower relevance
+                    elif re.match(r'VO?(F|A)-STM\1', versionCode):
+                        source_pref -= 9
+                format = {
+                    'format_id': format_id,
+                    'preference': -10 if f.get('videoFormat') == 'M3U8' else None,
+                    'language_preference': lang_pref,
+                    'format_note': '%s, %s' % (f.get('versionCode'), f.get('versionLibelle')),
+                    'width': int_or_none(f.get('width')),
+                    'height': int_or_none(f.get('height')),
+                    'tbr': int_or_none(f.get('bitrate')),
+                    'quality': qfunc(f['quality']),
+                    'source_preference': source_pref,
+                }
+    
+                if f.get('mediaType') == 'rtmp':
+                    format['url'] = f['streamer']
+                    format['play_path'] = 'mp4:' + f['url']
+                    format['ext'] = 'flv'
+                else:
+                    format['url'] = f['url']
+    
+                formats.append(format)
 
         self._sort_formats(formats)