Tweaks to ivanov's code

diff --git a/youtube-dl b/youtube-dl
index 026073e..591b7fc 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -266,6 +266,18 @@ class FileDownloader(object):
                """Report download progress."""
                self.to_stdout(u'\r[download] %s of %s at %s ETA %s' %
                                (percent_str, data_len_str, speed_str, eta_str), skip_eol=True)
+
+       def report_resuming_byte(self, resume_len):
+               """Report attemtp to resume at given byte."""
+               self.to_stdout(u'[download] Resuming download at byte %s' % resume_len)
+       
+       def report_file_already_downloaded(self, file_name):
+               """Report file has already been fully downloaded."""
+               self.to_stdout(u'[download] %s has already been downloaded' % file_name)
+       
+       def report_unable_to_resume(self):
+               """Report it was impossible to resume download."""
+               self.to_stdout(u'[download] Unable to resume')
        
        def report_finish(self):
                """Report download finished."""
@@ -367,12 +379,14 @@ class FileDownloader(object):
                                break
        
        def _do_download(self, stream, url):
+               basic_request = urllib2.Request(url, None, std_headers)
                request = urllib2.Request(url, None, std_headers)
+
                # Resume transfer if filesize is non-zero
                resume_len = stream.tell()
-               if self.params["continue"] and resume_len != 0:
-                       print "[download] Resuming download at byte %d" % resume_len
-                       request.add_header("Range","bytes=%d-" % resume_len)
+               if self.params['continuedl'] and resume_len != 0:
+                       self.report_resuming_byte(resume_len)
+                       request.add_header('Range','bytes=%d-' % resume_len)
                else:
                        stream.close()
                        stream = open(stream.name,'wb')
@@ -381,14 +395,16 @@ class FileDownloader(object):
                except urllib2.HTTPError, e:
                        if not e.code == 416: #  416 is 'Requested range not satisfiable'
                                raise
-                       data = urllib2.urlopen(url)
-                       if int(data.info()['Content-Length']) == resume_len:
-                               print '[download] %s has already been downloaded' % stream.name
+                       data = urllib2.urlopen(basic_request)
+                       content_length = data.info()['Content-Length']
+                       if content_length is not None and content_length == resume_len:
+                               self.report_file_already_downloaded(self.name)
                                return
                        else:
-                               print "[download] Unable to resume, restarting download from the beginning"
+                               self.report_unable_to_resume()
                                stream.close()
                                stream = open(stream.name,'wb')
+
                data_len = data.info().get('Content-length', None)
                data_len_str = self.format_bytes(data_len)
                byte_counter = 0
@@ -1163,7 +1179,7 @@ if __name__ == '__main__':
                        'ignoreerrors': opts.ignoreerrors,
                        'ratelimit': opts.ratelimit,
                        'nooverwrites': opts.nooverwrites,
-                       'continue': opts.continue_dl,
+                       'continuedl': opts.continue_dl,
                        })
                fd.add_info_extractor(youtube_search_ie)
                fd.add_info_extractor(youtube_pl_ie)