X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=9c1c0e0bdf55040dc3b82d4393d50c3623e3b0de;hb=dfb1b1468cef4ddc7ecc43776abce03763f8e426;hp=0ed6c45c8090e7d328ec4e09d12875adc768c0f9;hpb=54537cdfb3da7a64967f07df86042ffca761d937;p=youtube-dl

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 0ed6c45c8..9c1c0e0bd 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -70,6 +70,21 @@ ENGLISH_MONTH_NAMES = [
     'January', 'February', 'March', 'April', 'May', 'June',
     'July', 'August', 'September', 'October', 'November', 'December']
 
+KNOWN_EXTENSIONS = (
+    'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
+    'flv', 'f4v', 'f4a', 'f4b',
+    'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
+    'mkv', 'mka', 'mk3d',
+    'avi', 'divx',
+    'mov',
+    'asf', 'wmv', 'wma',
+    '3gp', '3g2',
+    'mp3',
+    'flac',
+    'ape',
+    'wav',
+    'f4f', 'f4m', 'm3u8', 'smil')
+
 
 def preferredencoding():
     """Get preferred encoding.
@@ -942,20 +957,8 @@ def determine_ext(url, default_ext='unknown_video'):
     guess = url.partition('?')[0].rpartition('.')[2]
     if re.match(r'^[A-Za-z0-9]+$', guess):
         return guess
-    elif guess.rstrip('/') in (
-            'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
-            'flv', 'f4v', 'f4a', 'f4b',
-            'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
-            'mkv', 'mka', 'mk3d',
-            'avi', 'divx',
-            'mov',
-            'asf', 'wmv', 'wma',
-            '3gp', '3g2',
-            'mp3',
-            'flac',
-            'ape',
-            'wav',
-            'f4f', 'f4m', 'm3u8', 'smil'):
+    # Try extract ext from URLs like http://example.com/foo/bar.mp4/?download
+    elif guess.rstrip('/') in KNOWN_EXTENSIONS:
         return guess.rstrip('/')
     else:
         return default_ext
@@ -981,7 +984,7 @@ def date_from_str(date_str):
         if sign == '-':
             time = -time
         unit = match.group('unit')
-        # A bad aproximation?
+        # A bad approximation?
         if unit == 'month':
             unit = 'day'
             time *= 30
@@ -1304,7 +1307,7 @@ def parse_filesize(s):
     if s is None:
         return None
 
-    # The lower-case forms are of course incorrect and inofficial,
+    # The lower-case forms are of course incorrect and unofficial,
     # but we support those too
     _UNIT_TABLE = {
         'B': 1,