import os
import socket
import time
+import re
from .common import FileDownloader
-from .dash import DashSegmentsFD
from ..compat import (
compat_urllib_request,
compat_urllib_error,
class HttpFD(FileDownloader):
def real_download(self, filename, info_dict):
- if info_dict.get('initialization_url') and list(filter(None, info_dict.get('segment_urls', []))):
- return DashSegmentsFD(self.ydl, self.params).real_download(filename, info_dict)
-
url = info_dict['url']
tmpfilename = self.temp_name(filename)
stream = None
# Establish connection
try:
data = self.ydl.urlopen(request)
+ if resume_len > 0:
+ content_range = data.headers.get('Content-Range')
+ if content_range:
+ content_range_m = re.search(r'bytes (\d+)-', content_range)
+ # Content-Range is correct - go on
+ if content_range_m and resume_len == int(content_range_m.group(1)):
+ break
+ # Content-Range is invalid - wipe the file and do entire redownload
+ resume_len = 0
+ open_mode = 'wb'
break
except (compat_urllib_error.HTTPError, ) as err:
if (err.code < 500 or err.code >= 600) and err.code != 416: