Handle "content too short" errors properly

diff --git a/youtube-dl b/youtube-dl
index ec4c9b89c6e18abc2d0548ed38d3ffefc3a3631f..f6e472445d8e0d9512805487a04afc88bcc68662 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -58,6 +58,22 @@ class UnavailableFormatError(Exception):
        This exception will be thrown when a video is requested
        in a format that is not available for that video.
        """
+       pass
+
+class ContentTooShortError(Exception):
+       """Content Too Short exception.
+
+       This exception may be raised by FileDownloader objects when a file they
+       download is too small for what the server announced first, indicating
+       the connection was probably interrupted.
+       """
+       # Both in bytes
+       downloaded = None
+       expected = None
+
+       def __init__(self, downloaded, expected):
+               self.downloaded = downloaded
+               self.expected = expected
 
 class FileDownloader(object):
        """File Downloader class.
@@ -292,6 +308,9 @@ class FileDownloader(object):
                except (urllib2.URLError, httplib.HTTPException, socket.error), err:
                        self.trouble('ERROR: unable to download video data: %s' % str(err))
                        return
+               except (ContentTooShortError, ), err:
+                       self.trouble('ERROR: content too short (expected %s bytes and served %s)' % (err.expected, err.downloaded))
+                       return
 
                try:
                        self.post_process(filename, info_dict)
@@ -365,7 +384,7 @@ class FileDownloader(object):
 
                self.report_finish()
                if data_len is not None and str(byte_counter) != data_len:
-                       raise ValueError('Content too short: %s/%s bytes' % (byte_counter, data_len))
+                       raise ContentTooShortError(byte_counter, long(data_len))
 
 class InfoExtractor(object):
        """Information Extractor class.