diff options
Diffstat (limited to 'youtube_dl/downloader/http.py')
| -rw-r--r-- | youtube_dl/downloader/http.py | 57 |
1 files changed, 34 insertions, 23 deletions
diff --git a/youtube_dl/downloader/http.py b/youtube_dl/downloader/http.py index 49170cf9d..56840e026 100644 --- a/youtube_dl/downloader/http.py +++ b/youtube_dl/downloader/http.py @@ -1,21 +1,18 @@ from __future__ import unicode_literals +import errno import os +import socket import time - -from socket import error as SocketError -import errno +import re from .common import FileDownloader -from ..compat import ( - compat_urllib_request, - compat_urllib_error, -) +from ..compat import compat_urllib_error from ..utils import ( ContentTooShortError, encodeFilename, sanitize_open, - format_bytes, + sanitized_Request, ) @@ -30,13 +27,8 @@ class HttpFD(FileDownloader): add_headers = info_dict.get('http_headers') if add_headers: headers.update(add_headers) - data = info_dict.get('http_post_data') - http_method = info_dict.get('http_method') - basic_request = compat_urllib_request.Request(url, data, headers) - request = compat_urllib_request.Request(url, data, headers) - if http_method is not None: - basic_request.get_method = lambda: http_method - request.get_method = lambda: http_method + basic_request = sanitized_Request(url, None, headers) + request = sanitized_Request(url, None, headers) is_test = self.params.get('test', False) @@ -51,7 +43,7 @@ class HttpFD(FileDownloader): open_mode = 'wb' if resume_len != 0: - if self.params.get('continuedl', False): + if self.params.get('continuedl', True): self.report_resuming_byte(resume_len) request.add_header('Range', 'bytes=%d-' % resume_len) open_mode = 'ab' @@ -64,6 +56,24 @@ class HttpFD(FileDownloader): # Establish connection try: data = self.ydl.urlopen(request) + # When trying to resume, Content-Range HTTP header of response has to be checked + # to match the value of requested Range HTTP header. This is due to a webservers + # that don't support resuming and serve a whole file with no Content-Range + # set in response despite of requested Range (see + # https://github.com/rg3/youtube-dl/issues/6057#issuecomment-126129799) + 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 present and matches requested Range, resume is possible + if content_range_m and resume_len == int(content_range_m.group(1)): + break + # Content-Range is either not present or invalid. Assuming remote webserver is + # trying to send the whole file, resume is not possible, so wiping the local file + # and performing entire redownload + self.report_unable_to_resume() + 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: @@ -94,6 +104,8 @@ class HttpFD(FileDownloader): self._hook_progress({ 'filename': filename, 'status': 'finished', + 'downloaded_bytes': resume_len, + 'total_bytes': resume_len, }) return True else: @@ -102,7 +114,7 @@ class HttpFD(FileDownloader): resume_len = 0 open_mode = 'wb' break - except SocketError as e: + except socket.error as e: if e.errno != errno.ECONNRESET: # Connection reset is no problem, just retry raise @@ -137,7 +149,6 @@ class HttpFD(FileDownloader): self.to_screen('\r[download] File is larger than max-filesize (%s bytes > %s bytes). Aborting.' % (data_len, max_data_len)) return False - data_len_str = format_bytes(data_len) byte_counter = 0 + resume_len block_size = self.params.get('buffersize', 1024) start = time.time() @@ -196,20 +207,19 @@ class HttpFD(FileDownloader): # Progress message speed = self.calc_speed(start, now, byte_counter - resume_len) if data_len is None: - eta = percent = None + eta = None else: - percent = self.calc_percent(byte_counter, data_len) eta = self.calc_eta(start, time.time(), data_len - resume_len, byte_counter - resume_len) - self.report_progress(percent, data_len_str, speed, eta) self._hook_progress({ + 'status': 'downloading', 'downloaded_bytes': byte_counter, 'total_bytes': data_len, 'tmpfilename': tmpfilename, 'filename': filename, - 'status': 'downloading', 'eta': eta, 'speed': speed, + 'elapsed': now - start, }) if is_test and byte_counter == data_len: @@ -221,7 +231,7 @@ class HttpFD(FileDownloader): return False if tmpfilename != '-': stream.close() - self.report_finish(data_len_str, (time.time() - start)) + if data_len is not None and byte_counter != data_len: raise ContentTooShortError(byte_counter, int(data_len)) self.try_rename(tmpfilename, filename) @@ -235,6 +245,7 @@ class HttpFD(FileDownloader): 'total_bytes': byte_counter, 'filename': filename, 'status': 'finished', + 'elapsed': time.time() - start, }) return True |