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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 | # Since December 2015 ffmpeg supports -http_proxy option (see | |
224 | # http://git.videolan.org/?p=ffmpeg.git;a=commit;h=b4eb1f29ebddd60c41a2eb39f5af701e38e0d3fd) | |
225 | # We could switch to the following code if we are able to detect version properly | |
226 | # args += ['-http_proxy', proxy] | |
227 | env = os.environ.copy() | |
228 | compat_setenv('HTTP_PROXY', proxy, env=env) | |
229 | compat_setenv('http_proxy', proxy, env=env) | |
230 | ||
231 | protocol = info_dict.get('protocol') | |
232 | ||
233 | if protocol == 'rtmp': | |
234 | player_url = info_dict.get('player_url') | |
235 | page_url = info_dict.get('page_url') | |
236 | app = info_dict.get('app') | |
237 | play_path = info_dict.get('play_path') | |
238 | tc_url = info_dict.get('tc_url') | |
239 | flash_version = info_dict.get('flash_version') | |
240 | live = info_dict.get('rtmp_live', False) | |
241 | if player_url is not None: | |
242 | args += ['-rtmp_swfverify', player_url] | |
243 | if page_url is not None: | |
244 | args += ['-rtmp_pageurl', page_url] | |
245 | if app is not None: | |
246 | args += ['-rtmp_app', app] | |
247 | if play_path is not None: | |
248 | args += ['-rtmp_playpath', play_path] | |
249 | if tc_url is not None: | |
250 | args += ['-rtmp_tcurl', tc_url] | |
251 | if flash_version is not None: | |
252 | args += ['-rtmp_flashver', flash_version] | |
253 | if live: | |
254 | args += ['-rtmp_live', 'live'] | |
255 | ||
256 | args += ['-i', url, '-c', 'copy'] | |
257 | if protocol in ('m3u8', 'm3u8_native'): | |
258 | if self.params.get('hls_use_mpegts', False) or tmpfilename == '-': | |
259 | args += ['-f', 'mpegts'] | |
260 | else: | |
261 | args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc'] | |
262 | elif protocol == 'rtmp': | |
263 | args += ['-f', 'flv'] | |
264 | else: | |
265 | args += ['-f', EXT_TO_OUT_FORMATS.get(info_dict['ext'], info_dict['ext'])] | |
266 | ||
267 | args = [encodeArgument(opt) for opt in args] | |
268 | args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True)) | |
269 | ||
270 | self._debug_cmd(args) | |
271 | ||
272 | proc = subprocess.Popen(args, stdin=subprocess.PIPE, env=env) | |
273 | try: | |
274 | retval = proc.wait() | |
275 | except KeyboardInterrupt: | |
276 | # subprocces.run would send the SIGKILL signal to ffmpeg and the | |
277 | # mp4 file couldn't be played, but if we ask ffmpeg to quit it | |
278 | # produces a file that is playable (this is mostly useful for live | |
279 | # streams). Note that Windows is not affected and produces playable | |
280 | # files (see https://github.com/rg3/youtube-dl/issues/8300). | |
281 | if sys.platform != 'win32': | |
282 | proc.communicate(b'q') | |
283 | raise | |
284 | return retval | |
285 | ||
286 | ||
287 | class AVconvFD(FFmpegFD): | |
288 | pass | |
289 | ||
290 | _BY_NAME = dict( | |
291 | (klass.get_basename(), klass) | |
292 | for name, klass in globals().items() | |
293 | if name.endswith('FD') and name != 'ExternalFD' | |
294 | ) | |
295 | ||
296 | ||
297 | def list_external_downloaders(): | |
298 | return sorted(_BY_NAME.keys()) | |
299 | ||
300 | ||
301 | def get_external_downloader(external_downloader): | |
302 | """ Given the name of the executable, see whether we support the given | |
303 | downloader . """ | |
304 | # Drop .exe extension on Windows | |
305 | bn = os.path.splitext(os.path.basename(external_downloader))[0] | |
306 | return _BY_NAME[bn] |