]> gitweb @ CieloNegro.org - youtube-dl.git/blobdiff - youtube-dl
Restore INTERNAL version number
[youtube-dl.git] / youtube-dl
index 0aae9050521c499ceff5e80244d8456ab7140c86..6730898ac757dc4d267944459dcb014d080a292a 100755 (executable)
@@ -114,6 +114,7 @@ class FileDownloader(object):
        ignoreerrors:   Do not stop on download errors.
        ratelimit:      Download speed limit, in bytes/sec.
        nooverwrites:   Prevent overwriting files.
+       continuedl:     Try to continue downloads if possible.
        """
 
        params = None
@@ -182,13 +183,13 @@ class FileDownloader(object):
                new_min = max(bytes / 2.0, 1.0)
                new_max = min(max(bytes * 2.0, 1.0), 4194304) # Do not surpass 4 MB
                if elapsed_time < 0.001:
-                       return int(new_max)
+                       return long(new_max)
                rate = bytes / elapsed_time
                if rate > new_max:
-                       return int(new_max)
+                       return long(new_max)
                if rate < new_min:
-                       return int(new_min)
-               return int(rate)
+                       return long(new_min)
+               return long(rate)
 
        @staticmethod
        def parse_bytes(bytestr):
@@ -266,6 +267,18 @@ 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."""
@@ -288,7 +301,6 @@ class FileDownloader(object):
 
                        return
                        
-
                try:
                        template_dict = dict(info_dict)
                        template_dict['epoch'] = unicode(long(time.time()))
@@ -307,7 +319,7 @@ class FileDownloader(object):
                        return
 
                try:
-                       outstream = open(filename, 'wb')
+                       outstream = open(filename, 'ab')
                except (OSError, IOError), err:
                        self.trouble('ERROR: unable to open for writing: %s' % str(err))
                        return
@@ -368,8 +380,32 @@ 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)
-               data = urllib2.urlopen(request)
+
+               # Resume transfer if filesize is non-zero
+               resume_len = stream.tell()
+               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')
+               try:
+                       data = urllib2.urlopen(request)
+               except urllib2.HTTPError, e:
+                       if not e.code == 416: #  416 is 'Requested range not satisfiable'
+                               raise
+                       data = urllib2.urlopen(basic_request)
+                       content_length = data.info()['Content-Length']
+                       if content_length is not None and long(content_length) == resume_len:
+                               self.report_file_already_downloaded(stream.name)
+                               return
+                       else:
+                               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
@@ -621,53 +657,53 @@ class YoutubeIE(InfoExtractor):
                                best_quality = True
 
                while True:
+                       # Extension
+                       video_extension = self._video_extensions.get(format_param, 'flv')
+
+                       # Normalize URL, including format
+                       normalized_url = 'http://www.youtube.com/watch?v=%s&gl=US&hl=en' % video_id
+                       if format_param is not None:
+                               normalized_url = '%s&fmt=%s' % (normalized_url, format_param)
+                       request = urllib2.Request(normalized_url, None, std_headers)
                        try:
-                               # Extension
-                               video_extension = self._video_extensions.get(format_param, 'flv')
-
-                               # Normalize URL, including format
-                               normalized_url = 'http://www.youtube.com/watch?v=%s&gl=US&hl=en' % video_id
-                               if format_param is not None:
-                                       normalized_url = '%s&fmt=%s' % (normalized_url, format_param)
-                               request = urllib2.Request(normalized_url, None, std_headers)
-                               try:
-                                       self.report_webpage_download(video_id)
-                                       video_webpage = urllib2.urlopen(request).read()
-                               except (urllib2.URLError, httplib.HTTPException, socket.error), err:
-                                       self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
-                                       return
-                               self.report_information_extraction(video_id)
-                               
-                               # "t" param
-                               mobj = re.search(r', "t": "([^"]+)"', video_webpage)
-                               if mobj is None:
-                                       self._downloader.trouble(u'ERROR: unable to extract "t" parameter')
-                                       return
-                               video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&el=detailpage&ps=' % (video_id, mobj.group(1))
-                               if format_param is not None:
-                                       video_real_url = '%s&fmt=%s' % (video_real_url, format_param)
-                               self.report_video_url(video_id, video_real_url)
-
-                               # uploader
-                               mobj = re.search(r"var watchUsername = '([^']+)';", video_webpage)
-                               if mobj is None:
-                                       self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
-                                       return
-                               video_uploader = mobj.group(1)
+                               self.report_webpage_download(video_id)
+                               video_webpage = urllib2.urlopen(request).read()
+                       except (urllib2.URLError, httplib.HTTPException, socket.error), err:
+                               self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
+                               return
+                       self.report_information_extraction(video_id)
+                       
+                       # "t" param
+                       mobj = re.search(r', "t": "([^"]+)"', video_webpage)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: unable to extract "t" parameter')
+                               return
+                       video_real_url = 'http://www.youtube.com/get_video?video_id=%s&t=%s&el=detailpage&ps=' % (video_id, mobj.group(1))
+                       if format_param is not None:
+                               video_real_url = '%s&fmt=%s' % (video_real_url, format_param)
+                       self.report_video_url(video_id, video_real_url)
+
+                       # uploader
+                       mobj = re.search(r"var watchUsername = '([^']+)';", video_webpage)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: unable to extract uploader nickname')
+                               return
+                       video_uploader = mobj.group(1)
 
-                               # title
-                               mobj = re.search(r'(?im)<title>YouTube - ([^<]*)</title>', video_webpage)
-                               if mobj is None:
-                                       self._downloader.trouble(u'ERROR: unable to extract video title')
-                                       return
-                               video_title = mobj.group(1).decode('utf-8')
-                               video_title = re.sub(ur'(?u)&(.+?);', self.htmlentity_transform, video_title)
-                               video_title = video_title.replace(os.sep, u'%')
+                       # title
+                       mobj = re.search(r'(?im)<title>YouTube - ([^<]*)</title>', video_webpage)
+                       if mobj is None:
+                               self._downloader.trouble(u'ERROR: unable to extract video title')
+                               return
+                       video_title = mobj.group(1).decode('utf-8')
+                       video_title = re.sub(ur'(?u)&(.+?);', self.htmlentity_transform, video_title)
+                       video_title = video_title.replace(os.sep, u'%')
 
-                               # simplified title
-                               simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
-                               simple_title = simple_title.strip(ur'_')
+                       # simplified title
+                       simple_title = re.sub(ur'(?u)([^%s]+)' % simple_title_chars, ur'_', video_title)
+                       simple_title = simple_title.strip(ur'_')
 
+                       try:
                                # Process video information
                                self._downloader.process_info({
                                        'id':           video_id.decode('utf-8'),
@@ -860,7 +896,7 @@ class YoutubeSearchIE(InfoExtractor):
                        return
                else:
                        try:
-                               n = int(prefix)
+                               n = long(prefix)
                                if n <= 0:
                                        self._downloader.trouble(u'ERROR: invalid download number %s for query "%s"' % (n, query))
                                        return
@@ -869,7 +905,7 @@ class YoutubeSearchIE(InfoExtractor):
                                        n = self._max_youtube_results
                                self._download_n_results(query, n)
                                return
-                       except ValueError: # parsing prefix as int fails
+                       except ValueError: # parsing prefix as integer fails
                                self._download_n_results(query, 1)
                                return
 
@@ -1054,7 +1090,7 @@ if __name__ == '__main__':
 
                video_format = optparse.OptionGroup(parser, 'Video Format Options')
                video_format.add_option('-f', '--format',
-                               action='append', dest='format', metavar='FMT', help='video format code')
+                               action='store', dest='format', metavar='FMT', help='video format code')
                video_format.add_option('-b', '--best-quality',
                                action='store_const', dest='format', help='download the best quality video possible', const='0')
                video_format.add_option('-m', '--mobile-version',
@@ -1085,6 +1121,8 @@ if __name__ == '__main__':
                                dest='batchfile', metavar='F', help='file containing URLs to download')
                filesystem.add_option('-w', '--no-overwrites',
                                action='store_true', dest='nooverwrites', help='do not overwrite files', default=False)
+               filesystem.add_option('-c', '--continue',
+                               action='store_true', dest='continue_dl', help='resume partially downloaded files', default=False)
                parser.add_option_group(filesystem)
 
                (opts, args) = parser.parse_args()
@@ -1118,13 +1156,6 @@ if __name__ == '__main__':
                        if numeric_limit is None:
                                parser.error(u'invalid rate limit specified')
                        opts.ratelimit = numeric_limit
-               if opts.format is not None and len(opts.format) > 1:
-                       parser.error(u'pass at most one of the video format option flags (-f, -b, -m, -d)')
-               if opts.format is None:
-                       real_format = None
-               else:
-                       real_format = opts.format[0]
-
 
                # Information extractors
                youtube_ie = YoutubeIE()
@@ -1141,7 +1172,7 @@ if __name__ == '__main__':
                        'forceurl': opts.geturl,
                        'forcetitle': opts.gettitle,
                        'simulate': (opts.simulate or opts.geturl or opts.gettitle),
-                       'format': real_format,
+                       'format': opts.format,
                        'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(locale.getpreferredencoding()))
                                or (opts.usetitle and u'%(stitle)s-%(id)s.%(ext)s')
                                or (opts.useliteral and u'%(title)s-%(id)s.%(ext)s')
@@ -1149,6 +1180,7 @@ if __name__ == '__main__':
                        'ignoreerrors': opts.ignoreerrors,
                        'ratelimit': opts.ratelimit,
                        'nooverwrites': opts.nooverwrites,
+                       'continuedl': opts.continue_dl,
                        })
                fd.add_info_extractor(youtube_search_ie)
                fd.add_info_extractor(youtube_pl_ie)