mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-15 21:03:18 +00:00
459 lines
18 KiB
Python
459 lines
18 KiB
Python
from __future__ import unicode_literals
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import os.path
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import re
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import subprocess
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import sys
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import time
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try:
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from Crypto.Cipher import AES
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can_decrypt_frag = True
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except ImportError:
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can_decrypt_frag = False
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from .common import FileDownloader
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from ..compat import (
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compat_setenv,
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compat_str,
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)
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from ..postprocessor.ffmpeg import FFmpegPostProcessor, EXT_TO_OUT_FORMATS
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from ..utils import (
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cli_option,
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cli_valueless_option,
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cli_bool_option,
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cli_configuration_args,
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encodeFilename,
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error_to_compat_str,
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encodeArgument,
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handle_youtubedl_headers,
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check_executable,
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is_outdated_version,
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process_communicate_or_kill,
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sanitized_Request,
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sanitize_open,
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)
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class ExternalFD(FileDownloader):
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SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps')
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def real_download(self, filename, info_dict):
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self.report_destination(filename)
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tmpfilename = self.temp_name(filename)
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try:
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started = time.time()
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retval = self._call_downloader(tmpfilename, info_dict)
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except KeyboardInterrupt:
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if not info_dict.get('is_live'):
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raise
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# Live stream downloading cancellation should be considered as
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# correct and expected termination thus all postprocessing
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# should take place
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retval = 0
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self.to_screen('[%s] Interrupted by user' % self.get_basename())
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if retval == 0:
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status = {
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'filename': filename,
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'status': 'finished',
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'elapsed': time.time() - started,
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}
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if filename != '-':
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fsize = os.path.getsize(encodeFilename(tmpfilename))
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self.to_screen('\r[%s] Downloaded %s bytes' % (self.get_basename(), fsize))
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self.try_rename(tmpfilename, filename)
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status.update({
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'downloaded_bytes': fsize,
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'total_bytes': fsize,
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})
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self._hook_progress(status)
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return True
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else:
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self.to_stderr('\n')
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self.report_error('%s exited with code %d' % (
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self.get_basename(), retval))
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return False
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@classmethod
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def get_basename(cls):
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return cls.__name__[:-2].lower()
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@property
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def exe(self):
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return self.params.get('external_downloader')
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@classmethod
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def available(cls, path=None):
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return check_executable(path or cls.get_basename(), [cls.AVAILABLE_OPT])
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@classmethod
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def supports(cls, info_dict):
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return info_dict['protocol'] in cls.SUPPORTED_PROTOCOLS
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@classmethod
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def can_download(cls, info_dict, path=None):
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return cls.available(path) and cls.supports(info_dict)
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def _option(self, command_option, param):
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return cli_option(self.params, command_option, param)
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def _bool_option(self, command_option, param, true_value='true', false_value='false', separator=None):
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return cli_bool_option(self.params, command_option, param, true_value, false_value, separator)
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def _valueless_option(self, command_option, param, expected_value=True):
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return cli_valueless_option(self.params, command_option, param, expected_value)
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def _configuration_args(self, *args, **kwargs):
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return cli_configuration_args(
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self.params.get('external_downloader_args'),
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self.get_basename(), *args, **kwargs)
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def _call_downloader(self, tmpfilename, info_dict):
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""" Either overwrite this or implement _make_cmd """
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cmd = [encodeArgument(a) for a in self._make_cmd(tmpfilename, info_dict)]
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self._debug_cmd(cmd)
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p = subprocess.Popen(
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cmd, stderr=subprocess.PIPE)
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_, stderr = process_communicate_or_kill(p)
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if p.returncode != 0:
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self.to_stderr(stderr.decode('utf-8', 'replace'))
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if 'url_list' in info_dict:
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file_list = []
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for [i, url] in enumerate(info_dict['url_list']):
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tmpsegmentname = '%s_%s.frag' % (tmpfilename, i)
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file_list.append(tmpsegmentname)
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key_list = info_dict.get('key_list')
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decrypt_info = None
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dest, _ = sanitize_open(tmpfilename, 'wb')
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for i, file in enumerate(file_list):
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src, _ = sanitize_open(file, 'rb')
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if key_list:
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decrypt_info = next((x for x in key_list if x['INDEX'] == i), decrypt_info)
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if decrypt_info['METHOD'] == 'AES-128':
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iv = decrypt_info.get('IV')
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decrypt_info['KEY'] = decrypt_info.get('KEY') or self.ydl.urlopen(
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self._prepare_url(info_dict, info_dict.get('_decryption_key_url') or decrypt_info['URI'])).read()
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encrypted_data = src.read()
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decrypted_data = AES.new(
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decrypt_info['KEY'], AES.MODE_CBC, iv).decrypt(encrypted_data)
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dest.write(decrypted_data)
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else:
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fragment_data = src.read()
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dest.write(fragment_data)
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else:
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fragment_data = src.read()
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dest.write(fragment_data)
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src.close()
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dest.close()
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if not self.params.get('keep_fragments', False):
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for file_path in file_list:
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try:
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os.remove(file_path)
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except OSError as ose:
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self.report_error("Unable to delete file %s; %s" % (file_path, error_to_compat_str(ose)))
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try:
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file_path = '%s.frag.urls' % tmpfilename
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os.remove(file_path)
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except OSError as ose:
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self.report_error("Unable to delete file %s; %s" % (file_path, error_to_compat_str(ose)))
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return p.returncode
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def _prepare_url(self, info_dict, url):
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headers = info_dict.get('http_headers')
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return sanitized_Request(url, None, headers) if headers else url
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class CurlFD(ExternalFD):
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AVAILABLE_OPT = '-V'
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def _make_cmd(self, tmpfilename, info_dict):
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cmd = [self.exe, '--location', '-o', tmpfilename]
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if info_dict.get('http_headers') is not None:
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for key, val in info_dict['http_headers'].items():
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cmd += ['--header', '%s: %s' % (key, val)]
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cmd += self._bool_option('--continue-at', 'continuedl', '-', '0')
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cmd += self._valueless_option('--silent', 'noprogress')
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cmd += self._valueless_option('--verbose', 'verbose')
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cmd += self._option('--limit-rate', 'ratelimit')
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retry = self._option('--retry', 'retries')
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if len(retry) == 2:
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if retry[1] in ('inf', 'infinite'):
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retry[1] = '2147483647'
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cmd += retry
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cmd += self._option('--max-filesize', 'max_filesize')
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cmd += self._option('--interface', 'source_address')
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cmd += self._option('--proxy', 'proxy')
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cmd += self._valueless_option('--insecure', 'nocheckcertificate')
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cmd += self._configuration_args()
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cmd += ['--', info_dict['url']]
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return cmd
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def _call_downloader(self, tmpfilename, info_dict):
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cmd = [encodeArgument(a) for a in self._make_cmd(tmpfilename, info_dict)]
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self._debug_cmd(cmd)
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# curl writes the progress to stderr so don't capture it.
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p = subprocess.Popen(cmd)
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process_communicate_or_kill(p)
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return p.returncode
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class AxelFD(ExternalFD):
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AVAILABLE_OPT = '-V'
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def _make_cmd(self, tmpfilename, info_dict):
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cmd = [self.exe, '-o', tmpfilename]
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if info_dict.get('http_headers') is not None:
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for key, val in info_dict['http_headers'].items():
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cmd += ['-H', '%s: %s' % (key, val)]
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cmd += self._configuration_args()
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cmd += ['--', info_dict['url']]
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return cmd
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class WgetFD(ExternalFD):
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AVAILABLE_OPT = '--version'
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def _make_cmd(self, tmpfilename, info_dict):
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cmd = [self.exe, '-O', tmpfilename, '-nv', '--no-cookies']
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if info_dict.get('http_headers') is not None:
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for key, val in info_dict['http_headers'].items():
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cmd += ['--header', '%s: %s' % (key, val)]
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cmd += self._option('--limit-rate', 'ratelimit')
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retry = self._option('--tries', 'retries')
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if len(retry) == 2:
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if retry[1] in ('inf', 'infinite'):
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retry[1] = '0'
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cmd += retry
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cmd += self._option('--bind-address', 'source_address')
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cmd += self._option('--proxy', 'proxy')
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cmd += self._valueless_option('--no-check-certificate', 'nocheckcertificate')
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cmd += self._configuration_args()
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cmd += ['--', info_dict['url']]
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return cmd
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class Aria2cFD(ExternalFD):
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AVAILABLE_OPT = '-v'
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SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps', 'frag_urls')
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def _make_cmd(self, tmpfilename, info_dict):
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cmd = [self.exe, '-c']
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dn = os.path.dirname(tmpfilename)
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if 'url_list' not in info_dict:
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cmd += ['--out', os.path.basename(tmpfilename)]
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verbose_level_args = ['--console-log-level=warn', '--summary-interval=0']
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cmd += self._configuration_args(['--file-allocation=none', '-x16', '-j16', '-s16'] + verbose_level_args)
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if dn:
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cmd += ['--dir', dn]
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if info_dict.get('http_headers') is not None:
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for key, val in info_dict['http_headers'].items():
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cmd += ['--header', '%s: %s' % (key, val)]
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cmd += self._option('--interface', 'source_address')
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cmd += self._option('--all-proxy', 'proxy')
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cmd += self._bool_option('--check-certificate', 'nocheckcertificate', 'false', 'true', '=')
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cmd += self._bool_option('--remote-time', 'updatetime', 'true', 'false', '=')
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cmd += ['--auto-file-renaming=false']
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if 'url_list' in info_dict:
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cmd += verbose_level_args
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cmd += ['--uri-selector', 'inorder', '--download-result=hide']
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url_list_file = '%s.frag.urls' % tmpfilename
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url_list = []
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for [i, url] in enumerate(info_dict['url_list']):
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tmpsegmentname = '%s_%s.frag' % (os.path.basename(tmpfilename), i)
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url_list.append('%s\n\tout=%s' % (url, tmpsegmentname))
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stream, _ = sanitize_open(url_list_file, 'wb')
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stream.write('\n'.join(url_list).encode('utf-8'))
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stream.close()
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cmd += ['-i', url_list_file]
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else:
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cmd += ['--', info_dict['url']]
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return cmd
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class HttpieFD(ExternalFD):
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@classmethod
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def available(cls, path=None):
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return check_executable(path or 'http', ['--version'])
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def _make_cmd(self, tmpfilename, info_dict):
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cmd = ['http', '--download', '--output', tmpfilename, info_dict['url']]
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if info_dict.get('http_headers') is not None:
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for key, val in info_dict['http_headers'].items():
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cmd += ['%s:%s' % (key, val)]
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return cmd
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class FFmpegFD(ExternalFD):
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SUPPORTED_PROTOCOLS = ('http', 'https', 'ftp', 'ftps', 'm3u8', 'rtsp', 'rtmp', 'mms')
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@classmethod
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def available(cls, path=None): # path is ignored for ffmpeg
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return FFmpegPostProcessor().available
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def _call_downloader(self, tmpfilename, info_dict):
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url = info_dict['url']
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ffpp = FFmpegPostProcessor(downloader=self)
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if not ffpp.available:
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self.report_error('m3u8 download detected but ffmpeg could not be found. Please install')
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return False
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ffpp.check_version()
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args = [ffpp.executable, '-y']
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for log_level in ('quiet', 'verbose'):
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if self.params.get(log_level, False):
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args += ['-loglevel', log_level]
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break
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seekable = info_dict.get('_seekable')
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if seekable is not None:
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# setting -seekable prevents ffmpeg from guessing if the server
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# supports seeking(by adding the header `Range: bytes=0-`), which
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# can cause problems in some cases
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# https://github.com/ytdl-org/youtube-dl/issues/11800#issuecomment-275037127
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# http://trac.ffmpeg.org/ticket/6125#comment:10
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args += ['-seekable', '1' if seekable else '0']
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args += self._configuration_args()
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# start_time = info_dict.get('start_time') or 0
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# if start_time:
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# args += ['-ss', compat_str(start_time)]
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# end_time = info_dict.get('end_time')
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# if end_time:
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# args += ['-t', compat_str(end_time - start_time)]
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if info_dict.get('http_headers') is not None and re.match(r'^https?://', url):
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# Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
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# [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header.
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headers = handle_youtubedl_headers(info_dict['http_headers'])
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args += [
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'-headers',
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''.join('%s: %s\r\n' % (key, val) for key, val in headers.items())]
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env = None
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proxy = self.params.get('proxy')
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if proxy:
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if not re.match(r'^[\da-zA-Z]+://', proxy):
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proxy = 'http://%s' % proxy
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if proxy.startswith('socks'):
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self.report_warning(
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'%s does not support SOCKS proxies. Downloading is likely to fail. '
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'Consider adding --hls-prefer-native to your command.' % self.get_basename())
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# Since December 2015 ffmpeg supports -http_proxy option (see
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# http://git.videolan.org/?p=ffmpeg.git;a=commit;h=b4eb1f29ebddd60c41a2eb39f5af701e38e0d3fd)
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# We could switch to the following code if we are able to detect version properly
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# args += ['-http_proxy', proxy]
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env = os.environ.copy()
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compat_setenv('HTTP_PROXY', proxy, env=env)
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compat_setenv('http_proxy', proxy, env=env)
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protocol = info_dict.get('protocol')
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if protocol == 'rtmp':
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player_url = info_dict.get('player_url')
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page_url = info_dict.get('page_url')
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app = info_dict.get('app')
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play_path = info_dict.get('play_path')
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tc_url = info_dict.get('tc_url')
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flash_version = info_dict.get('flash_version')
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live = info_dict.get('rtmp_live', False)
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conn = info_dict.get('rtmp_conn')
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if player_url is not None:
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args += ['-rtmp_swfverify', player_url]
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if page_url is not None:
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args += ['-rtmp_pageurl', page_url]
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if app is not None:
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args += ['-rtmp_app', app]
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if play_path is not None:
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args += ['-rtmp_playpath', play_path]
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if tc_url is not None:
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args += ['-rtmp_tcurl', tc_url]
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if flash_version is not None:
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args += ['-rtmp_flashver', flash_version]
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if live:
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args += ['-rtmp_live', 'live']
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if isinstance(conn, list):
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for entry in conn:
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args += ['-rtmp_conn', entry]
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elif isinstance(conn, compat_str):
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args += ['-rtmp_conn', conn]
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args += ['-i', url, '-c', 'copy']
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if self.params.get('test', False):
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args += ['-fs', compat_str(self._TEST_FILE_SIZE)]
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if protocol in ('m3u8', 'm3u8_native'):
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use_mpegts = (tmpfilename == '-') or self.params.get('hls_use_mpegts')
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if use_mpegts is None:
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use_mpegts = info_dict.get('is_live')
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if use_mpegts:
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args += ['-f', 'mpegts']
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else:
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args += ['-f', 'mp4']
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if (ffpp.basename == 'ffmpeg' and is_outdated_version(ffpp._versions['ffmpeg'], '3.2', False)) and (not info_dict.get('acodec') or info_dict['acodec'].split('.')[0] in ('aac', 'mp4a')):
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args += ['-bsf:a', 'aac_adtstoasc']
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elif protocol == 'rtmp':
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args += ['-f', 'flv']
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else:
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args += ['-f', EXT_TO_OUT_FORMATS.get(info_dict['ext'], info_dict['ext'])]
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args = [encodeArgument(opt) for opt in args]
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args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))
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self._debug_cmd(args)
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proc = subprocess.Popen(args, stdin=subprocess.PIPE, env=env)
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try:
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retval = proc.wait()
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except BaseException as e:
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# subprocces.run would send the SIGKILL signal to ffmpeg and the
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# mp4 file couldn't be played, but if we ask ffmpeg to quit it
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# produces a file that is playable (this is mostly useful for live
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# streams). Note that Windows is not affected and produces playable
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# files (see https://github.com/ytdl-org/youtube-dl/issues/8300).
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if isinstance(e, KeyboardInterrupt) and sys.platform != 'win32':
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process_communicate_or_kill(proc, b'q')
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else:
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proc.kill()
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proc.wait()
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raise
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return retval
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class AVconvFD(FFmpegFD):
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pass
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_BY_NAME = dict(
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(klass.get_basename(), klass)
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for name, klass in globals().items()
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if name.endswith('FD') and name != 'ExternalFD'
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)
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def list_external_downloaders():
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return sorted(_BY_NAME.keys())
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def get_external_downloader(external_downloader):
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""" Given the name of the executable, see whether we support the given
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downloader . """
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# Drop .exe extension on Windows
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bn = os.path.splitext(os.path.basename(external_downloader))[0]
|
|
return _BY_NAME[bn]
|