X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/3477c644417600d9ec8f8d2a44f82da0a4b15eb5..f8df414a4abcde0ddd39325dac26ca071d2d15c6:/youtube_dl/downloader/external.py diff --git a/youtube_dl/downloader/external.py b/youtube_dl/downloader/external.py index 2bc0112..db018fa 100644 --- a/youtube_dl/downloader/external.py +++ b/youtube_dl/downloader/external.py @@ -2,8 +2,15 @@ from __future__ import unicode_literals import os.path import subprocess +import sys +import re from .common import FileDownloader +from ..compat import ( + compat_setenv, + compat_str, +) +from ..postprocessor.ffmpeg import FFmpegPostProcessor, EXT_TO_OUT_FORMATS from ..utils import ( cli_option, cli_valueless_option, @@ -11,6 +18,9 @@ from ..utils import ( cli_configuration_args, encodeFilename, encodeArgument, + handle_youtubedl_headers, + check_executable, + is_outdated_version, ) @@ -19,7 +29,17 @@ class ExternalFD(FileDownloader): self.report_destination(filename) tmpfilename = self.temp_name(filename) - retval = self._call_downloader(tmpfilename, info_dict) + try: + retval = self._call_downloader(tmpfilename, info_dict) + except KeyboardInterrupt: + if not info_dict.get('is_live'): + raise + # Live stream downloading cancellation should be considered as + # correct and expected termination thus all postprocessing + # should take place + retval = 0 + self.to_screen('[%s] Interrupted by user' % self.get_basename()) + if retval == 0: fsize = os.path.getsize(encodeFilename(tmpfilename)) self.to_screen('\r[%s] Downloaded %s bytes' % (self.get_basename(), fsize)) @@ -45,10 +65,18 @@ class ExternalFD(FileDownloader): def exe(self): return self.params.get('external_downloader') + @classmethod + def available(cls): + return check_executable(cls.get_basename(), [cls.AVAILABLE_OPT]) + @classmethod def supports(cls, info_dict): return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps') + @classmethod + def can_download(cls, info_dict): + return cls.available() and cls.supports(info_dict) + def _option(self, command_option, param): return cli_option(self.params, command_option, param) @@ -71,15 +99,23 @@ class ExternalFD(FileDownloader): cmd, stderr=subprocess.PIPE) _, stderr = p.communicate() if p.returncode != 0: - self.to_stderr(stderr) + self.to_stderr(stderr.decode('utf-8', 'replace')) return p.returncode class CurlFD(ExternalFD): + AVAILABLE_OPT = '-V' + def _make_cmd(self, tmpfilename, info_dict): cmd = [self.exe, '--location', '-o', tmpfilename] for key, val in info_dict['http_headers'].items(): cmd += ['--header', '%s: %s' % (key, val)] + cmd += self._bool_option('--continue-at', 'continuedl', '-', '0') + cmd += self._valueless_option('--silent', 'noprogress') + cmd += self._valueless_option('--verbose', 'verbose') + cmd += self._option('--limit-rate', 'ratelimit') + cmd += self._option('--retry', 'retries') + cmd += self._option('--max-filesize', 'max_filesize') cmd += self._option('--interface', 'source_address') cmd += self._option('--proxy', 'proxy') cmd += self._valueless_option('--insecure', 'nocheckcertificate') @@ -87,8 +123,20 @@ class CurlFD(ExternalFD): cmd += ['--', info_dict['url']] return cmd + def _call_downloader(self, tmpfilename, info_dict): + cmd = [encodeArgument(a) for a in self._make_cmd(tmpfilename, info_dict)] + + self._debug_cmd(cmd) + + # curl writes the progress to stderr so don't capture it. + p = subprocess.Popen(cmd) + p.communicate() + return p.returncode + class AxelFD(ExternalFD): + AVAILABLE_OPT = '-V' + def _make_cmd(self, tmpfilename, info_dict): cmd = [self.exe, '-o', tmpfilename] for key, val in info_dict['http_headers'].items(): @@ -99,6 +147,8 @@ class AxelFD(ExternalFD): class WgetFD(ExternalFD): + AVAILABLE_OPT = '--version' + def _make_cmd(self, tmpfilename, info_dict): cmd = [self.exe, '-O', tmpfilename, '-nv', '--no-cookies'] for key, val in info_dict['http_headers'].items(): @@ -112,6 +162,8 @@ class WgetFD(ExternalFD): class Aria2cFD(ExternalFD): + AVAILABLE_OPT = '-v' + def _make_cmd(self, tmpfilename, info_dict): cmd = [self.exe, '-c'] cmd += self._configuration_args([ @@ -130,12 +182,152 @@ class Aria2cFD(ExternalFD): class HttpieFD(ExternalFD): + @classmethod + def available(cls): + return check_executable('http', ['--version']) + def _make_cmd(self, tmpfilename, info_dict): cmd = ['http', '--download', '--output', tmpfilename, info_dict['url']] for key, val in info_dict['http_headers'].items(): cmd += ['%s:%s' % (key, val)] return cmd + +class FFmpegFD(ExternalFD): + @classmethod + def supports(cls, info_dict): + return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps', 'm3u8', 'rtsp', 'rtmp', 'mms') + + @classmethod + def available(cls): + return FFmpegPostProcessor().available + + def _call_downloader(self, tmpfilename, info_dict): + url = info_dict['url'] + ffpp = FFmpegPostProcessor(downloader=self) + if not ffpp.available: + self.report_error('m3u8 download detected but ffmpeg or avconv could not be found. Please install one.') + return False + ffpp.check_version() + + args = [ffpp.executable, '-y'] + + for log_level in ('quiet', 'verbose'): + if self.params.get(log_level, False): + args += ['-loglevel', log_level] + break + + seekable = info_dict.get('_seekable') + if seekable is not None: + # setting -seekable prevents ffmpeg from guessing if the server + # supports seeking(by adding the header `Range: bytes=0-`), which + # can cause problems in some cases + # https://github.com/rg3/youtube-dl/issues/11800#issuecomment-275037127 + # http://trac.ffmpeg.org/ticket/6125#comment:10 + args += ['-seekable', '1' if seekable else '0'] + + args += self._configuration_args() + + # start_time = info_dict.get('start_time') or 0 + # if start_time: + # args += ['-ss', compat_str(start_time)] + # end_time = info_dict.get('end_time') + # if end_time: + # args += ['-t', compat_str(end_time - start_time)] + + if info_dict['http_headers'] and re.match(r'^https?://', url): + # Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv: + # [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header. + headers = handle_youtubedl_headers(info_dict['http_headers']) + args += [ + '-headers', + ''.join('%s: %s\r\n' % (key, val) for key, val in headers.items())] + + env = None + proxy = self.params.get('proxy') + if proxy: + if not re.match(r'^[\da-zA-Z]+://', proxy): + proxy = 'http://%s' % proxy + + if proxy.startswith('socks'): + self.report_warning( + '%s does not support SOCKS proxies. Downloading is likely to fail. ' + 'Consider adding --hls-prefer-native to your command.' % self.get_basename()) + + # Since December 2015 ffmpeg supports -http_proxy option (see + # http://git.videolan.org/?p=ffmpeg.git;a=commit;h=b4eb1f29ebddd60c41a2eb39f5af701e38e0d3fd) + # We could switch to the following code if we are able to detect version properly + # args += ['-http_proxy', proxy] + env = os.environ.copy() + compat_setenv('HTTP_PROXY', proxy, env=env) + compat_setenv('http_proxy', proxy, env=env) + + protocol = info_dict.get('protocol') + + if protocol == 'rtmp': + player_url = info_dict.get('player_url') + page_url = info_dict.get('page_url') + app = info_dict.get('app') + play_path = info_dict.get('play_path') + tc_url = info_dict.get('tc_url') + flash_version = info_dict.get('flash_version') + live = info_dict.get('rtmp_live', False) + if player_url is not None: + args += ['-rtmp_swfverify', player_url] + if page_url is not None: + args += ['-rtmp_pageurl', page_url] + if app is not None: + args += ['-rtmp_app', app] + if play_path is not None: + args += ['-rtmp_playpath', play_path] + if tc_url is not None: + args += ['-rtmp_tcurl', tc_url] + if flash_version is not None: + args += ['-rtmp_flashver', flash_version] + if live: + args += ['-rtmp_live', 'live'] + + args += ['-i', url, '-c', 'copy'] + + if self.params.get('test', False): + args += ['-fs', compat_str(self._TEST_FILE_SIZE)] + + if protocol in ('m3u8', 'm3u8_native'): + if self.params.get('hls_use_mpegts', False) or tmpfilename == '-': + args += ['-f', 'mpegts'] + else: + args += ['-f', 'mp4'] + 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')): + args += ['-bsf:a', 'aac_adtstoasc'] + elif protocol == 'rtmp': + args += ['-f', 'flv'] + else: + args += ['-f', EXT_TO_OUT_FORMATS.get(info_dict['ext'], info_dict['ext'])] + + args = [encodeArgument(opt) for opt in args] + args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True)) + + self._debug_cmd(args) + + proc = subprocess.Popen(args, stdin=subprocess.PIPE, env=env) + try: + retval = proc.wait() + except KeyboardInterrupt: + # subprocces.run would send the SIGKILL signal to ffmpeg and the + # mp4 file couldn't be played, but if we ask ffmpeg to quit it + # produces a file that is playable (this is mostly useful for live + # streams). Note that Windows is not affected and produces playable + # files (see https://github.com/rg3/youtube-dl/issues/8300). + if sys.platform != 'win32': + proc.communicate(b'q') + raise + return retval + + +class AVconvFD(FFmpegFD): + pass + + _BY_NAME = dict( (klass.get_basename(), klass) for name, klass in globals().items()