]> gitweb @ CieloNegro.org - youtube-dl.git/blob - youtube_dl/downloader/external.py
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[youtube-dl.git] / youtube_dl / downloader / external.py
1 from __future__ import unicode_literals
2
3 import os.path
4 import subprocess
5 import sys
6 import re
7
8 from .common import FileDownloader
9 from ..compat import compat_setenv
10 from ..postprocessor.ffmpeg import FFmpegPostProcessor, EXT_TO_OUT_FORMATS
11 from ..utils import (
12     cli_option,
13     cli_valueless_option,
14     cli_bool_option,
15     cli_configuration_args,
16     encodeFilename,
17     encodeArgument,
18     handle_youtubedl_headers,
19     check_executable,
20 )
21
22
23 class ExternalFD(FileDownloader):
24     def real_download(self, filename, info_dict):
25         self.report_destination(filename)
26         tmpfilename = self.temp_name(filename)
27
28         retval = self._call_downloader(tmpfilename, info_dict)
29         if retval == 0:
30             fsize = os.path.getsize(encodeFilename(tmpfilename))
31             self.to_screen('\r[%s] Downloaded %s bytes' % (self.get_basename(), fsize))
32             self.try_rename(tmpfilename, filename)
33             self._hook_progress({
34                 'downloaded_bytes': fsize,
35                 'total_bytes': fsize,
36                 'filename': filename,
37                 'status': 'finished',
38             })
39             return True
40         else:
41             self.to_stderr('\n')
42             self.report_error('%s exited with code %d' % (
43                 self.get_basename(), retval))
44             return False
45
46     @classmethod
47     def get_basename(cls):
48         return cls.__name__[:-2].lower()
49
50     @property
51     def exe(self):
52         return self.params.get('external_downloader')
53
54     @classmethod
55     def available(cls):
56         return check_executable(cls.get_basename(), [cls.AVAILABLE_OPT])
57
58     @classmethod
59     def supports(cls, info_dict):
60         return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps')
61
62     @classmethod
63     def can_download(cls, info_dict):
64         return cls.available() and cls.supports(info_dict)
65
66     def _option(self, command_option, param):
67         return cli_option(self.params, command_option, param)
68
69     def _bool_option(self, command_option, param, true_value='true', false_value='false', separator=None):
70         return cli_bool_option(self.params, command_option, param, true_value, false_value, separator)
71
72     def _valueless_option(self, command_option, param, expected_value=True):
73         return cli_valueless_option(self.params, command_option, param, expected_value)
74
75     def _configuration_args(self, default=[]):
76         return cli_configuration_args(self.params, 'external_downloader_args', default)
77
78     def _call_downloader(self, tmpfilename, info_dict):
79         """ Either overwrite this or implement _make_cmd """
80         cmd = [encodeArgument(a) for a in self._make_cmd(tmpfilename, info_dict)]
81
82         self._debug_cmd(cmd)
83
84         p = subprocess.Popen(
85             cmd, stderr=subprocess.PIPE)
86         _, stderr = p.communicate()
87         if p.returncode != 0:
88             self.to_stderr(stderr.decode('utf-8', 'replace'))
89         return p.returncode
90
91
92 class CurlFD(ExternalFD):
93     AVAILABLE_OPT = '-V'
94
95     def _make_cmd(self, tmpfilename, info_dict):
96         cmd = [self.exe, '--location', '-o', tmpfilename]
97         for key, val in info_dict['http_headers'].items():
98             cmd += ['--header', '%s: %s' % (key, val)]
99         cmd += self._bool_option('--continue-at', 'continuedl', '-', '0')
100         cmd += self._valueless_option('--silent', 'noprogress')
101         cmd += self._valueless_option('--verbose', 'verbose')
102         cmd += self._option('--limit-rate', 'ratelimit')
103         cmd += self._option('--retry', 'retries')
104         cmd += self._option('--max-filesize', 'max_filesize')
105         cmd += self._option('--interface', 'source_address')
106         cmd += self._option('--proxy', 'proxy')
107         cmd += self._valueless_option('--insecure', 'nocheckcertificate')
108         cmd += self._configuration_args()
109         cmd += ['--', info_dict['url']]
110         return cmd
111
112     def _call_downloader(self, tmpfilename, info_dict):
113         cmd = [encodeArgument(a) for a in self._make_cmd(tmpfilename, info_dict)]
114
115         self._debug_cmd(cmd)
116
117         # curl writes the progress to stderr so don't capture it.
118         p = subprocess.Popen(cmd)
119         p.communicate()
120         return p.returncode
121
122
123 class AxelFD(ExternalFD):
124     AVAILABLE_OPT = '-V'
125
126     def _make_cmd(self, tmpfilename, info_dict):
127         cmd = [self.exe, '-o', tmpfilename]
128         for key, val in info_dict['http_headers'].items():
129             cmd += ['-H', '%s: %s' % (key, val)]
130         cmd += self._configuration_args()
131         cmd += ['--', info_dict['url']]
132         return cmd
133
134
135 class WgetFD(ExternalFD):
136     AVAILABLE_OPT = '--version'
137
138     def _make_cmd(self, tmpfilename, info_dict):
139         cmd = [self.exe, '-O', tmpfilename, '-nv', '--no-cookies']
140         for key, val in info_dict['http_headers'].items():
141             cmd += ['--header', '%s: %s' % (key, val)]
142         cmd += self._option('--bind-address', 'source_address')
143         cmd += self._option('--proxy', 'proxy')
144         cmd += self._valueless_option('--no-check-certificate', 'nocheckcertificate')
145         cmd += self._configuration_args()
146         cmd += ['--', info_dict['url']]
147         return cmd
148
149
150 class Aria2cFD(ExternalFD):
151     AVAILABLE_OPT = '-v'
152
153     def _make_cmd(self, tmpfilename, info_dict):
154         cmd = [self.exe, '-c']
155         cmd += self._configuration_args([
156             '--min-split-size', '1M', '--max-connection-per-server', '4'])
157         dn = os.path.dirname(tmpfilename)
158         if dn:
159             cmd += ['--dir', dn]
160         cmd += ['--out', os.path.basename(tmpfilename)]
161         for key, val in info_dict['http_headers'].items():
162             cmd += ['--header', '%s: %s' % (key, val)]
163         cmd += self._option('--interface', 'source_address')
164         cmd += self._option('--all-proxy', 'proxy')
165         cmd += self._bool_option('--check-certificate', 'nocheckcertificate', 'false', 'true', '=')
166         cmd += ['--', info_dict['url']]
167         return cmd
168
169
170 class HttpieFD(ExternalFD):
171     @classmethod
172     def available(cls):
173         return check_executable('http', ['--version'])
174
175     def _make_cmd(self, tmpfilename, info_dict):
176         cmd = ['http', '--download', '--output', tmpfilename, info_dict['url']]
177         for key, val in info_dict['http_headers'].items():
178             cmd += ['%s:%s' % (key, val)]
179         return cmd
180
181
182 class FFmpegFD(ExternalFD):
183     @classmethod
184     def supports(cls, info_dict):
185         return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps', 'm3u8', 'rtsp', 'rtmp', 'mms')
186
187     @classmethod
188     def available(cls):
189         return FFmpegPostProcessor().available
190
191     def _call_downloader(self, tmpfilename, info_dict):
192         url = info_dict['url']
193         ffpp = FFmpegPostProcessor(downloader=self)
194         if not ffpp.available:
195             self.report_error('m3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
196             return False
197         ffpp.check_version()
198
199         args = [ffpp.executable, '-y']
200
201         args += self._configuration_args()
202
203         # start_time = info_dict.get('start_time') or 0
204         # if start_time:
205         #     args += ['-ss', compat_str(start_time)]
206         # end_time = info_dict.get('end_time')
207         # if end_time:
208         #     args += ['-t', compat_str(end_time - start_time)]
209
210         if info_dict['http_headers'] and re.match(r'^https?://', url):
211             # Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
212             # [http @ 00000000003d2fa0] No trailing CRLF found in HTTP header.
213             headers = handle_youtubedl_headers(info_dict['http_headers'])
214             args += [
215                 '-headers',
216                 ''.join('%s: %s\r\n' % (key, val) for key, val in headers.items())]
217
218         env = None
219         proxy = self.params.get('proxy')
220         if proxy:
221             if not re.match(r'^[\da-zA-Z]+://', proxy):
222                 proxy = 'http://%s' % proxy
223
224             if proxy.startswith('socks'):
225                 self.report_warning(
226                     '%s does not support SOCKS proxies. Downloading is likely to fail. '
227                     'Consider adding --hls-prefer-native to your command.' % self.get_basename())
228
229             # Since December 2015 ffmpeg supports -http_proxy option (see
230             # http://git.videolan.org/?p=ffmpeg.git;a=commit;h=b4eb1f29ebddd60c41a2eb39f5af701e38e0d3fd)
231             # We could switch to the following code if we are able to detect version properly
232             # args += ['-http_proxy', proxy]
233             env = os.environ.copy()
234             compat_setenv('HTTP_PROXY', proxy, env=env)
235             compat_setenv('http_proxy', proxy, env=env)
236
237         protocol = info_dict.get('protocol')
238
239         if protocol == 'rtmp':
240             player_url = info_dict.get('player_url')
241             page_url = info_dict.get('page_url')
242             app = info_dict.get('app')
243             play_path = info_dict.get('play_path')
244             tc_url = info_dict.get('tc_url')
245             flash_version = info_dict.get('flash_version')
246             live = info_dict.get('rtmp_live', False)
247             if player_url is not None:
248                 args += ['-rtmp_swfverify', player_url]
249             if page_url is not None:
250                 args += ['-rtmp_pageurl', page_url]
251             if app is not None:
252                 args += ['-rtmp_app', app]
253             if play_path is not None:
254                 args += ['-rtmp_playpath', play_path]
255             if tc_url is not None:
256                 args += ['-rtmp_tcurl', tc_url]
257             if flash_version is not None:
258                 args += ['-rtmp_flashver', flash_version]
259             if live:
260                 args += ['-rtmp_live', 'live']
261
262         args += ['-i', url, '-c', 'copy']
263         if protocol in ('m3u8', 'm3u8_native'):
264             if self.params.get('hls_use_mpegts', False) or tmpfilename == '-':
265                 args += ['-f', 'mpegts']
266             else:
267                 args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
268         elif protocol == 'rtmp':
269             args += ['-f', 'flv']
270         else:
271             args += ['-f', EXT_TO_OUT_FORMATS.get(info_dict['ext'], info_dict['ext'])]
272
273         args = [encodeArgument(opt) for opt in args]
274         args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))
275
276         self._debug_cmd(args)
277
278         proc = subprocess.Popen(args, stdin=subprocess.PIPE, env=env)
279         try:
280             retval = proc.wait()
281         except KeyboardInterrupt:
282             # subprocces.run would send the SIGKILL signal to ffmpeg and the
283             # mp4 file couldn't be played, but if we ask ffmpeg to quit it
284             # produces a file that is playable (this is mostly useful for live
285             # streams). Note that Windows is not affected and produces playable
286             # files (see https://github.com/rg3/youtube-dl/issues/8300).
287             if sys.platform != 'win32':
288                 proc.communicate(b'q')
289             raise
290         return retval
291
292
293 class AVconvFD(FFmpegFD):
294     pass
295
296
297 _BY_NAME = dict(
298     (klass.get_basename(), klass)
299     for name, klass in globals().items()
300     if name.endswith('FD') and name != 'ExternalFD'
301 )
302
303
304 def list_external_downloaders():
305     return sorted(_BY_NAME.keys())
306
307
308 def get_external_downloader(external_downloader):
309     """ Given the name of the executable, see whether we support the given
310         downloader . """
311     # Drop .exe extension on Windows
312     bn = os.path.splitext(os.path.basename(external_downloader))[0]
313     return _BY_NAME[bn]