Tweaks to ivanov's code

This commit is contained in:
Ricardo Garcia 2009-05-27 22:50:18 +02:00
parent f76c2df64e
commit 7db85b2c70

View File

@ -267,6 +267,18 @@ class FileDownloader(object):
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."""
self.to_stdout(u'')
@ -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)