mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-25 04:04:35 +01:00
e5660ee6ae
Useful for external tools using the json output. The methods '_calc_headers' and '_calc_cookies' have been copied from the downloader/external, now they just use "info_dict['http_headers']".
118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import os.path
|
|
import subprocess
|
|
import sys
|
|
|
|
from .common import FileDownloader
|
|
from ..utils import (
|
|
encodeFilename,
|
|
)
|
|
|
|
|
|
class ExternalFD(FileDownloader):
|
|
def real_download(self, filename, info_dict):
|
|
self.report_destination(filename)
|
|
tmpfilename = self.temp_name(filename)
|
|
|
|
retval = self._call_downloader(tmpfilename, info_dict)
|
|
if retval == 0:
|
|
fsize = os.path.getsize(encodeFilename(tmpfilename))
|
|
self.to_screen('\r[%s] Downloaded %s bytes' % (self.get_basename(), fsize))
|
|
self.try_rename(tmpfilename, filename)
|
|
self._hook_progress({
|
|
'downloaded_bytes': fsize,
|
|
'total_bytes': fsize,
|
|
'filename': filename,
|
|
'status': 'finished',
|
|
})
|
|
return True
|
|
else:
|
|
self.to_stderr('\n')
|
|
self.report_error('%s exited with code %d' % (
|
|
self.get_basename(), retval))
|
|
return False
|
|
|
|
@classmethod
|
|
def get_basename(cls):
|
|
return cls.__name__[:-2].lower()
|
|
|
|
@property
|
|
def exe(self):
|
|
return self.params.get('external_downloader')
|
|
|
|
@classmethod
|
|
def supports(cls, info_dict):
|
|
return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps')
|
|
|
|
def _call_downloader(self, tmpfilename, info_dict):
|
|
""" Either overwrite this or implement _make_cmd """
|
|
cmd = self._make_cmd(tmpfilename, info_dict)
|
|
|
|
if sys.platform == 'win32' and sys.version_info < (3, 0):
|
|
# Windows subprocess module does not actually support Unicode
|
|
# on Python 2.x
|
|
# See http://stackoverflow.com/a/9951851/35070
|
|
subprocess_encoding = sys.getfilesystemencoding()
|
|
cmd = [a.encode(subprocess_encoding, 'ignore') for a in cmd]
|
|
else:
|
|
subprocess_encoding = None
|
|
self._debug_cmd(cmd, subprocess_encoding)
|
|
|
|
p = subprocess.Popen(
|
|
cmd, stderr=subprocess.PIPE)
|
|
_, stderr = p.communicate()
|
|
if p.returncode != 0:
|
|
self.to_stderr(stderr)
|
|
return p.returncode
|
|
|
|
|
|
class CurlFD(ExternalFD):
|
|
def _make_cmd(self, tmpfilename, info_dict):
|
|
cmd = [self.exe, '-o', tmpfilename]
|
|
for key, val in info_dict['http_headers'].items():
|
|
cmd += ['--header', '%s: %s' % (key, val)]
|
|
cmd += ['--', info_dict['url']]
|
|
return cmd
|
|
|
|
|
|
class WgetFD(ExternalFD):
|
|
def _make_cmd(self, tmpfilename, info_dict):
|
|
cmd = [self.exe, '-O', tmpfilename, '-nv', '--no-cookies']
|
|
for key, val in info_dict['http_headers'].items():
|
|
cmd += ['--header', '%s: %s' % (key, val)]
|
|
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']
|
|
dn = os.path.dirname(tmpfilename)
|
|
if dn:
|
|
cmd += ['--dir', dn]
|
|
cmd += ['--out', os.path.basename(tmpfilename)]
|
|
for key, val in info_dict['http_headers'].items():
|
|
cmd += ['--header', '%s: %s' % (key, val)]
|
|
cmd += ['--', info_dict['url']]
|
|
return cmd
|
|
|
|
_BY_NAME = dict(
|
|
(klass.get_basename(), klass)
|
|
for name, klass in globals().items()
|
|
if name.endswith('FD') and name != 'ExternalFD'
|
|
)
|
|
|
|
|
|
def list_external_downloaders():
|
|
return sorted(_BY_NAME.keys())
|
|
|
|
|
|
def get_external_downloader(external_downloader):
|
|
""" Given the name of the executable, see whether we support the given
|
|
downloader . """
|
|
bn = os.path.basename(external_downloader)
|
|
return _BY_NAME[bn]
|