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[downloader/external] Add support for custom options (Fixes #4885, closes #5098)

This commit is contained in:
Philipp Hagemeister 2015-03-02 15:06:09 +01:00
parent 295df4edb9
commit c75f0b361a
5 changed files with 26 additions and 6 deletions

View file

@ -249,10 +249,10 @@ class YoutubeDL(object):
hls_prefer_native: Use the native HLS downloader instead of ffmpeg/avconv.
The following parameters are not used by YoutubeDL itself, they are used by
the FileDownloader:
the downloader (see youtube_dl/downloader/common.py):
nopart, updatetime, buffersize, ratelimit, min_filesize, max_filesize, test,
noresizebuffer, retries, continuedl, noprogress, consoletitle,
xattr_set_filesize.
xattr_set_filesize, external_downloader_args.
The following options are used by the post processors:
prefer_ffmpeg: If True, use ffmpeg instead of avconv if both are available,

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@ -9,6 +9,7 @@ import codecs
import io
import os
import random
import shlex
import sys
@ -255,6 +256,9 @@ def _real_main(argv=None):
xattr # Confuse flake8
except ImportError:
parser.error('setting filesize xattr requested but python-xattr is not available')
external_downloader_args = None
if opts.external_downloader_args:
external_downloader_args = shlex.split(opts.external_downloader_args)
match_filter = (
None if opts.match_filter is None
else match_filter_func(opts.match_filter))
@ -359,6 +363,7 @@ def _real_main(argv=None):
'no_color': opts.no_color,
'ffmpeg_location': opts.ffmpeg_location,
'hls_prefer_native': opts.hls_prefer_native,
'external_downloader_args': external_downloader_args,
}
with YoutubeDL(ydl_opts) as ydl:

View file

@ -42,6 +42,8 @@ class FileDownloader(object):
max_filesize: Skip files larger than this size
xattr_set_filesize: Set ytdl.filesize user xattribute with expected size.
(experimenatal)
external_downloader_args: A list of additional command-line arguments for the
external downloader.
Subclasses of this one must re-define the real_download method.
"""

View file

@ -51,6 +51,13 @@ class ExternalFD(FileDownloader):
return []
return [command_option, source_address]
def _configuration_args(self, default=[]):
ex_args = self.params.get('external_downloader_args')
if ex_args is None:
return default
assert isinstance(ex_args, list)
return ex_args
def _call_downloader(self, tmpfilename, info_dict):
""" Either overwrite this or implement _make_cmd """
cmd = self._make_cmd(tmpfilename, info_dict)
@ -79,6 +86,7 @@ class CurlFD(ExternalFD):
for key, val in info_dict['http_headers'].items():
cmd += ['--header', '%s: %s' % (key, val)]
cmd += self._source_address('--interface')
cmd += self._configuration_args()
cmd += ['--', info_dict['url']]
return cmd
@ -89,15 +97,16 @@ class WgetFD(ExternalFD):
for key, val in info_dict['http_headers'].items():
cmd += ['--header', '%s: %s' % (key, val)]
cmd += self._source_address('--bind-address')
cmd += self._configuration_args()
cmd += ['--', info_dict['url']]
return cmd
class Aria2cFD(ExternalFD):
def _make_cmd(self, tmpfilename, info_dict):
cmd = [
self.exe, '-c',
'--min-split-size', '1M', '--max-connection-per-server', '4']
cmd = [self.exe, '-c']
cmd += self._configuration_args([
'--min-split-size', '1M', '--max-connection-per-server', '4'])
dn = os.path.dirname(tmpfilename)
if dn:
cmd += ['--dir', dn]

View file

@ -435,8 +435,12 @@ def parseOpts(overrideArguments=None):
downloader.add_option(
'--external-downloader',
dest='external_downloader', metavar='COMMAND',
help='(experimental) Use the specified external downloader. '
help='Use the specified external downloader. '
'Currently supports %s' % ','.join(list_external_downloaders()))
downloader.add_option(
'--external-downloader-args',
dest='external_downloader_args', metavar='ARGS',
help='Give these arguments to the external downloader.')
workarounds = optparse.OptionGroup(parser, 'Workarounds')
workarounds.add_option(