]> jfr.im git - yt-dlp.git/blob - yt_dlp/utils.py
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[yt-dlp.git] / yt_dlp / utils.py
1 #!/usr/bin/env python3
2 # coding: utf-8
3
4 from __future__ import unicode_literals
5
6 import base64
7 import binascii
8 import calendar
9 import codecs
10 import collections
11 import contextlib
12 import ctypes
13 import datetime
14 import email.utils
15 import email.header
16 import errno
17 import functools
18 import gzip
19 import hashlib
20 import hmac
21 import imp
22 import io
23 import itertools
24 import json
25 import locale
26 import math
27 import operator
28 import os
29 import platform
30 import random
31 import re
32 import socket
33 import ssl
34 import subprocess
35 import sys
36 import tempfile
37 import time
38 import traceback
39 import xml.etree.ElementTree
40 import zlib
41
42 from .compat import (
43 compat_HTMLParseError,
44 compat_HTMLParser,
45 compat_HTTPError,
46 compat_basestring,
47 compat_chr,
48 compat_cookiejar,
49 compat_ctypes_WINFUNCTYPE,
50 compat_etree_fromstring,
51 compat_expanduser,
52 compat_html_entities,
53 compat_html_entities_html5,
54 compat_http_client,
55 compat_integer_types,
56 compat_numeric_types,
57 compat_kwargs,
58 compat_os_name,
59 compat_parse_qs,
60 compat_shlex_quote,
61 compat_str,
62 compat_struct_pack,
63 compat_struct_unpack,
64 compat_urllib_error,
65 compat_urllib_parse,
66 compat_urllib_parse_urlencode,
67 compat_urllib_parse_urlparse,
68 compat_urllib_parse_urlunparse,
69 compat_urllib_parse_quote,
70 compat_urllib_parse_quote_plus,
71 compat_urllib_parse_unquote_plus,
72 compat_urllib_request,
73 compat_urlparse,
74 compat_xpath,
75 )
76
77 from .socks import (
78 ProxyType,
79 sockssocket,
80 )
81
82
83 def register_socks_protocols():
84 # "Register" SOCKS protocols
85 # In Python < 2.6.5, urlsplit() suffers from bug https://bugs.python.org/issue7904
86 # URLs with protocols not in urlparse.uses_netloc are not handled correctly
87 for scheme in ('socks', 'socks4', 'socks4a', 'socks5'):
88 if scheme not in compat_urlparse.uses_netloc:
89 compat_urlparse.uses_netloc.append(scheme)
90
91
92 # This is not clearly defined otherwise
93 compiled_regex_type = type(re.compile(''))
94
95
96 def random_user_agent():
97 _USER_AGENT_TPL = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/%s Safari/537.36'
98 _CHROME_VERSIONS = (
99 '74.0.3729.129',
100 '76.0.3780.3',
101 '76.0.3780.2',
102 '74.0.3729.128',
103 '76.0.3780.1',
104 '76.0.3780.0',
105 '75.0.3770.15',
106 '74.0.3729.127',
107 '74.0.3729.126',
108 '76.0.3779.1',
109 '76.0.3779.0',
110 '75.0.3770.14',
111 '74.0.3729.125',
112 '76.0.3778.1',
113 '76.0.3778.0',
114 '75.0.3770.13',
115 '74.0.3729.124',
116 '74.0.3729.123',
117 '73.0.3683.121',
118 '76.0.3777.1',
119 '76.0.3777.0',
120 '75.0.3770.12',
121 '74.0.3729.122',
122 '76.0.3776.4',
123 '75.0.3770.11',
124 '74.0.3729.121',
125 '76.0.3776.3',
126 '76.0.3776.2',
127 '73.0.3683.120',
128 '74.0.3729.120',
129 '74.0.3729.119',
130 '74.0.3729.118',
131 '76.0.3776.1',
132 '76.0.3776.0',
133 '76.0.3775.5',
134 '75.0.3770.10',
135 '74.0.3729.117',
136 '76.0.3775.4',
137 '76.0.3775.3',
138 '74.0.3729.116',
139 '75.0.3770.9',
140 '76.0.3775.2',
141 '76.0.3775.1',
142 '76.0.3775.0',
143 '75.0.3770.8',
144 '74.0.3729.115',
145 '74.0.3729.114',
146 '76.0.3774.1',
147 '76.0.3774.0',
148 '75.0.3770.7',
149 '74.0.3729.113',
150 '74.0.3729.112',
151 '74.0.3729.111',
152 '76.0.3773.1',
153 '76.0.3773.0',
154 '75.0.3770.6',
155 '74.0.3729.110',
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157 '76.0.3772.1',
158 '76.0.3772.0',
159 '75.0.3770.5',
160 '74.0.3729.108',
161 '74.0.3729.107',
162 '76.0.3771.1',
163 '76.0.3771.0',
164 '75.0.3770.4',
165 '74.0.3729.106',
166 '74.0.3729.105',
167 '75.0.3770.3',
168 '74.0.3729.104',
169 '74.0.3729.103',
170 '74.0.3729.102',
171 '75.0.3770.2',
172 '74.0.3729.101',
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176 '75.0.3769.5',
177 '75.0.3769.4',
178 '74.0.3729.99',
179 '75.0.3769.3',
180 '75.0.3769.2',
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182 '74.0.3729.98',
183 '75.0.3769.1',
184 '75.0.3769.0',
185 '74.0.3729.97',
186 '73.0.3683.119',
187 '73.0.3683.118',
188 '74.0.3729.96',
189 '75.0.3768.5',
190 '75.0.3768.4',
191 '75.0.3768.3',
192 '75.0.3768.2',
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194 '74.0.3729.94',
195 '75.0.3768.1',
196 '75.0.3768.0',
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200 '74.0.3729.91',
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204 '75.0.3767.1',
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207 '73.0.3683.116',
208 '75.0.3766.2',
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210 '75.0.3766.1',
211 '75.0.3766.0',
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213 '73.0.3683.115',
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218 '73.0.3683.114',
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223 '73.0.3683.113',
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236 '73.0.3683.111',
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240 '75.0.3761.1',
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242 '73.0.3683.110',
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244 '74.0.3729.75',
245 '75.0.3760.0',
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247 '75.0.3759.8',
248 '75.0.3759.7',
249 '75.0.3759.6',
250 '74.0.3729.73',
251 '75.0.3759.5',
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253 '73.0.3683.109',
254 '75.0.3759.4',
255 '75.0.3759.3',
256 '74.0.3729.71',
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259 '73.0.3683.108',
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262 '75.0.3759.0',
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264 '73.0.3683.107',
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297 '75.0.3752.2',
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305 '75.0.3752.1',
306 '75.0.3752.0',
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310 '75.0.3751.1',
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313 '73.0.3683.98',
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315 '75.0.3750.0',
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325 '75.0.3749.0',
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328 '74.0.3729.43',
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1256 '72.0.3581.0',
1257 '71.0.3578.8',
1258 '70.0.3538.66',
1259 '72.0.3580.1',
1260 '72.0.3580.0',
1261 '71.0.3578.7',
1262 '70.0.3538.65',
1263 '71.0.3578.6',
1264 '72.0.3579.1',
1265 '72.0.3579.0',
1266 '71.0.3578.5',
1267 '70.0.3538.64',
1268 '71.0.3578.4',
1269 '71.0.3578.3',
1270 '71.0.3578.2',
1271 '71.0.3578.1',
1272 '71.0.3578.0',
1273 '70.0.3538.63',
1274 '69.0.3497.128',
1275 '70.0.3538.62',
1276 '70.0.3538.61',
1277 '70.0.3538.60',
1278 '70.0.3538.59',
1279 '71.0.3577.1',
1280 '71.0.3577.0',
1281 '70.0.3538.58',
1282 '69.0.3497.127',
1283 '71.0.3576.2',
1284 '71.0.3576.1',
1285 '71.0.3576.0',
1286 '70.0.3538.57',
1287 '70.0.3538.56',
1288 '71.0.3575.2',
1289 '70.0.3538.55',
1290 '69.0.3497.126',
1291 '70.0.3538.54',
1292 '71.0.3575.1',
1293 '71.0.3575.0',
1294 '71.0.3574.1',
1295 '71.0.3574.0',
1296 '70.0.3538.53',
1297 '69.0.3497.125',
1298 '70.0.3538.52',
1299 '71.0.3573.1',
1300 '71.0.3573.0',
1301 '70.0.3538.51',
1302 '69.0.3497.124',
1303 '71.0.3572.1',
1304 '71.0.3572.0',
1305 '70.0.3538.50',
1306 '69.0.3497.123',
1307 '71.0.3571.2',
1308 '70.0.3538.49',
1309 '69.0.3497.122',
1310 '71.0.3571.1',
1311 '71.0.3571.0',
1312 '70.0.3538.48',
1313 '69.0.3497.121',
1314 '71.0.3570.1',
1315 '71.0.3570.0',
1316 '70.0.3538.47',
1317 '69.0.3497.120',
1318 '71.0.3568.2',
1319 '71.0.3569.1',
1320 '71.0.3569.0',
1321 '70.0.3538.46',
1322 '69.0.3497.119',
1323 '70.0.3538.45',
1324 '71.0.3568.1',
1325 '71.0.3568.0',
1326 '70.0.3538.44',
1327 '69.0.3497.118',
1328 '70.0.3538.43',
1329 '70.0.3538.42',
1330 '71.0.3567.1',
1331 '71.0.3567.0',
1332 '70.0.3538.41',
1333 '69.0.3497.117',
1334 '71.0.3566.1',
1335 '71.0.3566.0',
1336 '70.0.3538.40',
1337 '69.0.3497.116',
1338 '71.0.3565.1',
1339 '71.0.3565.0',
1340 '70.0.3538.39',
1341 '69.0.3497.115',
1342 '71.0.3564.1',
1343 '71.0.3564.0',
1344 '70.0.3538.38',
1345 '69.0.3497.114',
1346 '71.0.3563.0',
1347 '71.0.3562.2',
1348 '70.0.3538.37',
1349 '69.0.3497.113',
1350 '70.0.3538.36',
1351 '70.0.3538.35',
1352 '71.0.3562.1',
1353 '71.0.3562.0',
1354 '70.0.3538.34',
1355 '69.0.3497.112',
1356 '70.0.3538.33',
1357 '71.0.3561.1',
1358 '71.0.3561.0',
1359 '70.0.3538.32',
1360 '69.0.3497.111',
1361 '71.0.3559.6',
1362 '71.0.3560.1',
1363 '71.0.3560.0',
1364 '71.0.3559.5',
1365 '71.0.3559.4',
1366 '70.0.3538.31',
1367 '69.0.3497.110',
1368 '71.0.3559.3',
1369 '70.0.3538.30',
1370 '69.0.3497.109',
1371 '71.0.3559.2',
1372 '71.0.3559.1',
1373 '71.0.3559.0',
1374 '70.0.3538.29',
1375 '69.0.3497.108',
1376 '71.0.3558.2',
1377 '71.0.3558.1',
1378 '71.0.3558.0',
1379 '70.0.3538.28',
1380 '69.0.3497.107',
1381 '71.0.3557.2',
1382 '71.0.3557.1',
1383 '71.0.3557.0',
1384 '70.0.3538.27',
1385 '69.0.3497.106',
1386 '71.0.3554.4',
1387 '70.0.3538.26',
1388 '71.0.3556.1',
1389 '71.0.3556.0',
1390 '70.0.3538.25',
1391 '71.0.3554.3',
1392 '69.0.3497.105',
1393 '71.0.3554.2',
1394 '70.0.3538.24',
1395 '69.0.3497.104',
1396 '71.0.3555.2',
1397 '70.0.3538.23',
1398 '71.0.3555.1',
1399 '71.0.3555.0',
1400 '70.0.3538.22',
1401 '69.0.3497.103',
1402 '71.0.3554.1',
1403 '71.0.3554.0',
1404 '70.0.3538.21',
1405 '69.0.3497.102',
1406 '71.0.3553.3',
1407 '70.0.3538.20',
1408 '69.0.3497.101',
1409 '71.0.3553.2',
1410 '69.0.3497.100',
1411 '71.0.3553.1',
1412 '71.0.3553.0',
1413 '70.0.3538.19',
1414 '69.0.3497.99',
1415 '69.0.3497.98',
1416 '69.0.3497.97',
1417 '71.0.3552.6',
1418 '71.0.3552.5',
1419 '71.0.3552.4',
1420 '71.0.3552.3',
1421 '71.0.3552.2',
1422 '71.0.3552.1',
1423 '71.0.3552.0',
1424 '70.0.3538.18',
1425 '69.0.3497.96',
1426 '71.0.3551.3',
1427 '71.0.3551.2',
1428 '71.0.3551.1',
1429 '71.0.3551.0',
1430 '70.0.3538.17',
1431 '69.0.3497.95',
1432 '71.0.3550.3',
1433 '71.0.3550.2',
1434 '71.0.3550.1',
1435 '71.0.3550.0',
1436 '70.0.3538.16',
1437 '69.0.3497.94',
1438 '71.0.3549.1',
1439 '71.0.3549.0',
1440 '70.0.3538.15',
1441 '69.0.3497.93',
1442 '69.0.3497.92',
1443 '71.0.3548.1',
1444 '71.0.3548.0',
1445 '70.0.3538.14',
1446 '69.0.3497.91',
1447 '71.0.3547.1',
1448 '71.0.3547.0',
1449 '70.0.3538.13',
1450 '69.0.3497.90',
1451 '71.0.3546.2',
1452 '69.0.3497.89',
1453 '71.0.3546.1',
1454 '71.0.3546.0',
1455 '70.0.3538.12',
1456 '69.0.3497.88',
1457 '71.0.3545.4',
1458 '71.0.3545.3',
1459 '71.0.3545.2',
1460 '71.0.3545.1',
1461 '71.0.3545.0',
1462 '70.0.3538.11',
1463 '69.0.3497.87',
1464 '71.0.3544.5',
1465 '71.0.3544.4',
1466 '71.0.3544.3',
1467 '71.0.3544.2',
1468 '71.0.3544.1',
1469 '71.0.3544.0',
1470 '69.0.3497.86',
1471 '70.0.3538.10',
1472 '69.0.3497.85',
1473 '70.0.3538.9',
1474 '69.0.3497.84',
1475 '71.0.3543.4',
1476 '70.0.3538.8',
1477 '71.0.3543.3',
1478 '71.0.3543.2',
1479 '71.0.3543.1',
1480 '71.0.3543.0',
1481 '70.0.3538.7',
1482 '69.0.3497.83',
1483 '71.0.3542.2',
1484 '71.0.3542.1',
1485 '71.0.3542.0',
1486 '70.0.3538.6',
1487 '69.0.3497.82',
1488 '69.0.3497.81',
1489 '71.0.3541.1',
1490 '71.0.3541.0',
1491 '70.0.3538.5',
1492 '69.0.3497.80',
1493 '71.0.3540.1',
1494 '71.0.3540.0',
1495 '70.0.3538.4',
1496 '69.0.3497.79',
1497 '70.0.3538.3',
1498 '71.0.3539.1',
1499 '71.0.3539.0',
1500 '69.0.3497.78',
1501 '68.0.3440.134',
1502 '69.0.3497.77',
1503 '70.0.3538.2',
1504 '70.0.3538.1',
1505 '70.0.3538.0',
1506 '69.0.3497.76',
1507 '68.0.3440.133',
1508 '69.0.3497.75',
1509 '70.0.3537.2',
1510 '70.0.3537.1',
1511 '70.0.3537.0',
1512 '69.0.3497.74',
1513 '68.0.3440.132',
1514 '70.0.3536.0',
1515 '70.0.3535.5',
1516 '70.0.3535.4',
1517 '70.0.3535.3',
1518 '69.0.3497.73',
1519 '68.0.3440.131',
1520 '70.0.3532.8',
1521 '70.0.3532.7',
1522 '69.0.3497.72',
1523 '69.0.3497.71',
1524 '70.0.3535.2',
1525 '70.0.3535.1',
1526 '70.0.3535.0',
1527 '69.0.3497.70',
1528 '68.0.3440.130',
1529 '69.0.3497.69',
1530 '68.0.3440.129',
1531 '70.0.3534.4',
1532 '70.0.3534.3',
1533 '70.0.3534.2',
1534 '70.0.3534.1',
1535 '70.0.3534.0',
1536 '69.0.3497.68',
1537 '68.0.3440.128',
1538 '70.0.3533.2',
1539 '70.0.3533.1',
1540 '70.0.3533.0',
1541 '69.0.3497.67',
1542 '68.0.3440.127',
1543 '70.0.3532.6',
1544 '70.0.3532.5',
1545 '70.0.3532.4',
1546 '69.0.3497.66',
1547 '68.0.3440.126',
1548 '70.0.3532.3',
1549 '70.0.3532.2',
1550 '70.0.3532.1',
1551 '69.0.3497.60',
1552 '69.0.3497.65',
1553 '69.0.3497.64',
1554 '70.0.3532.0',
1555 '70.0.3531.0',
1556 '70.0.3530.4',
1557 '70.0.3530.3',
1558 '70.0.3530.2',
1559 '69.0.3497.58',
1560 '68.0.3440.125',
1561 '69.0.3497.57',
1562 '69.0.3497.56',
1563 '69.0.3497.55',
1564 '69.0.3497.54',
1565 '70.0.3530.1',
1566 '70.0.3530.0',
1567 '69.0.3497.53',
1568 '68.0.3440.124',
1569 '69.0.3497.52',
1570 '70.0.3529.3',
1571 '70.0.3529.2',
1572 '70.0.3529.1',
1573 '70.0.3529.0',
1574 '69.0.3497.51',
1575 '70.0.3528.4',
1576 '68.0.3440.123',
1577 '70.0.3528.3',
1578 '70.0.3528.2',
1579 '70.0.3528.1',
1580 '70.0.3528.0',
1581 '69.0.3497.50',
1582 '68.0.3440.122',
1583 '70.0.3527.1',
1584 '70.0.3527.0',
1585 '69.0.3497.49',
1586 '68.0.3440.121',
1587 '70.0.3526.1',
1588 '70.0.3526.0',
1589 '68.0.3440.120',
1590 '69.0.3497.48',
1591 '69.0.3497.47',
1592 '68.0.3440.119',
1593 '68.0.3440.118',
1594 '70.0.3525.5',
1595 '70.0.3525.4',
1596 '70.0.3525.3',
1597 '68.0.3440.117',
1598 '69.0.3497.46',
1599 '70.0.3525.2',
1600 '70.0.3525.1',
1601 '70.0.3525.0',
1602 '69.0.3497.45',
1603 '68.0.3440.116',
1604 '70.0.3524.4',
1605 '70.0.3524.3',
1606 '69.0.3497.44',
1607 '70.0.3524.2',
1608 '70.0.3524.1',
1609 '70.0.3524.0',
1610 '70.0.3523.2',
1611 '69.0.3497.43',
1612 '68.0.3440.115',
1613 '70.0.3505.9',
1614 '69.0.3497.42',
1615 '70.0.3505.8',
1616 '70.0.3523.1',
1617 '70.0.3523.0',
1618 '69.0.3497.41',
1619 '68.0.3440.114',
1620 '70.0.3505.7',
1621 '69.0.3497.40',
1622 '70.0.3522.1',
1623 '70.0.3522.0',
1624 '70.0.3521.2',
1625 '69.0.3497.39',
1626 '68.0.3440.113',
1627 '70.0.3505.6',
1628 '70.0.3521.1',
1629 '70.0.3521.0',
1630 '69.0.3497.38',
1631 '68.0.3440.112',
1632 '70.0.3520.1',
1633 '70.0.3520.0',
1634 '69.0.3497.37',
1635 '68.0.3440.111',
1636 '70.0.3519.3',
1637 '70.0.3519.2',
1638 '70.0.3519.1',
1639 '70.0.3519.0',
1640 '69.0.3497.36',
1641 '68.0.3440.110',
1642 '70.0.3518.1',
1643 '70.0.3518.0',
1644 '69.0.3497.35',
1645 '69.0.3497.34',
1646 '68.0.3440.109',
1647 '70.0.3517.1',
1648 '70.0.3517.0',
1649 '69.0.3497.33',
1650 '68.0.3440.108',
1651 '69.0.3497.32',
1652 '70.0.3516.3',
1653 '70.0.3516.2',
1654 '70.0.3516.1',
1655 '70.0.3516.0',
1656 '69.0.3497.31',
1657 '68.0.3440.107',
1658 '70.0.3515.4',
1659 '68.0.3440.106',
1660 '70.0.3515.3',
1661 '70.0.3515.2',
1662 '70.0.3515.1',
1663 '70.0.3515.0',
1664 '69.0.3497.30',
1665 '68.0.3440.105',
1666 '68.0.3440.104',
1667 '70.0.3514.2',
1668 '70.0.3514.1',
1669 '70.0.3514.0',
1670 '69.0.3497.29',
1671 '68.0.3440.103',
1672 '70.0.3513.1',
1673 '70.0.3513.0',
1674 '69.0.3497.28',
1675 )
1676 return _USER_AGENT_TPL % random.choice(_CHROME_VERSIONS)
1677
1678
1679 std_headers = {
1680 'User-Agent': random_user_agent(),
1681 'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
1682 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
1683 'Accept-Encoding': 'gzip, deflate',
1684 'Accept-Language': 'en-us,en;q=0.5',
1685 }
1686
1687
1688 USER_AGENTS = {
1689 'Safari': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) AppleWebKit/533.20.25 (KHTML, like Gecko) Version/5.0.4 Safari/533.20.27',
1690 }
1691
1692
1693 NO_DEFAULT = object()
1694
1695 ENGLISH_MONTH_NAMES = [
1696 'January', 'February', 'March', 'April', 'May', 'June',
1697 'July', 'August', 'September', 'October', 'November', 'December']
1698
1699 MONTH_NAMES = {
1700 'en': ENGLISH_MONTH_NAMES,
1701 'fr': [
1702 'janvier', 'février', 'mars', 'avril', 'mai', 'juin',
1703 'juillet', 'août', 'septembre', 'octobre', 'novembre', 'décembre'],
1704 }
1705
1706 KNOWN_EXTENSIONS = (
1707 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
1708 'flv', 'f4v', 'f4a', 'f4b',
1709 'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
1710 'mkv', 'mka', 'mk3d',
1711 'avi', 'divx',
1712 'mov',
1713 'asf', 'wmv', 'wma',
1714 '3gp', '3g2',
1715 'mp3',
1716 'flac',
1717 'ape',
1718 'wav',
1719 'f4f', 'f4m', 'm3u8', 'smil')
1720
1721 # needed for sanitizing filenames in restricted mode
1722 ACCENT_CHARS = dict(zip('ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ',
1723 itertools.chain('AAAAAA', ['AE'], 'CEEEEIIIIDNOOOOOOO', ['OE'], 'UUUUUY', ['TH', 'ss'],
1724 'aaaaaa', ['ae'], 'ceeeeiiiionooooooo', ['oe'], 'uuuuuy', ['th'], 'y')))
1725
1726 DATE_FORMATS = (
1727 '%d %B %Y',
1728 '%d %b %Y',
1729 '%B %d %Y',
1730 '%B %dst %Y',
1731 '%B %dnd %Y',
1732 '%B %drd %Y',
1733 '%B %dth %Y',
1734 '%b %d %Y',
1735 '%b %dst %Y',
1736 '%b %dnd %Y',
1737 '%b %drd %Y',
1738 '%b %dth %Y',
1739 '%b %dst %Y %I:%M',
1740 '%b %dnd %Y %I:%M',
1741 '%b %drd %Y %I:%M',
1742 '%b %dth %Y %I:%M',
1743 '%Y %m %d',
1744 '%Y-%m-%d',
1745 '%Y.%m.%d.',
1746 '%Y/%m/%d',
1747 '%Y/%m/%d %H:%M',
1748 '%Y/%m/%d %H:%M:%S',
1749 '%Y%m%d%H%M',
1750 '%Y%m%d%H%M%S',
1751 '%Y-%m-%d %H:%M',
1752 '%Y-%m-%d %H:%M:%S',
1753 '%Y-%m-%d %H:%M:%S.%f',
1754 '%Y-%m-%d %H:%M:%S:%f',
1755 '%d.%m.%Y %H:%M',
1756 '%d.%m.%Y %H.%M',
1757 '%Y-%m-%dT%H:%M:%SZ',
1758 '%Y-%m-%dT%H:%M:%S.%fZ',
1759 '%Y-%m-%dT%H:%M:%S.%f0Z',
1760 '%Y-%m-%dT%H:%M:%S',
1761 '%Y-%m-%dT%H:%M:%S.%f',
1762 '%Y-%m-%dT%H:%M',
1763 '%b %d %Y at %H:%M',
1764 '%b %d %Y at %H:%M:%S',
1765 '%B %d %Y at %H:%M',
1766 '%B %d %Y at %H:%M:%S',
1767 '%H:%M %d-%b-%Y',
1768 )
1769
1770 DATE_FORMATS_DAY_FIRST = list(DATE_FORMATS)
1771 DATE_FORMATS_DAY_FIRST.extend([
1772 '%d-%m-%Y',
1773 '%d.%m.%Y',
1774 '%d.%m.%y',
1775 '%d/%m/%Y',
1776 '%d/%m/%y',
1777 '%d/%m/%Y %H:%M:%S',
1778 ])
1779
1780 DATE_FORMATS_MONTH_FIRST = list(DATE_FORMATS)
1781 DATE_FORMATS_MONTH_FIRST.extend([
1782 '%m-%d-%Y',
1783 '%m.%d.%Y',
1784 '%m/%d/%Y',
1785 '%m/%d/%y',
1786 '%m/%d/%Y %H:%M:%S',
1787 ])
1788
1789 PACKED_CODES_RE = r"}\('(.+)',(\d+),(\d+),'([^']+)'\.split\('\|'\)"
1790 JSON_LD_RE = r'(?is)<script[^>]+type=(["\']?)application/ld\+json\1[^>]*>(?P<json_ld>.+?)</script>'
1791
1792
1793 def preferredencoding():
1794 """Get preferred encoding.
1795
1796 Returns the best encoding scheme for the system, based on
1797 locale.getpreferredencoding() and some further tweaks.
1798 """
1799 try:
1800 pref = locale.getpreferredencoding()
1801 'TEST'.encode(pref)
1802 except Exception:
1803 pref = 'UTF-8'
1804
1805 return pref
1806
1807
1808 def write_json_file(obj, fn):
1809 """ Encode obj as JSON and write it to fn, atomically if possible """
1810
1811 fn = encodeFilename(fn)
1812 if sys.version_info < (3, 0) and sys.platform != 'win32':
1813 encoding = get_filesystem_encoding()
1814 # os.path.basename returns a bytes object, but NamedTemporaryFile
1815 # will fail if the filename contains non ascii characters unless we
1816 # use a unicode object
1817 path_basename = lambda f: os.path.basename(fn).decode(encoding)
1818 # the same for os.path.dirname
1819 path_dirname = lambda f: os.path.dirname(fn).decode(encoding)
1820 else:
1821 path_basename = os.path.basename
1822 path_dirname = os.path.dirname
1823
1824 args = {
1825 'suffix': '.tmp',
1826 'prefix': path_basename(fn) + '.',
1827 'dir': path_dirname(fn),
1828 'delete': False,
1829 }
1830
1831 # In Python 2.x, json.dump expects a bytestream.
1832 # In Python 3.x, it writes to a character stream
1833 if sys.version_info < (3, 0):
1834 args['mode'] = 'wb'
1835 else:
1836 args.update({
1837 'mode': 'w',
1838 'encoding': 'utf-8',
1839 })
1840
1841 tf = tempfile.NamedTemporaryFile(**compat_kwargs(args))
1842
1843 try:
1844 with tf:
1845 json.dump(obj, tf)
1846 if sys.platform == 'win32':
1847 # Need to remove existing file on Windows, else os.rename raises
1848 # WindowsError or FileExistsError.
1849 try:
1850 os.unlink(fn)
1851 except OSError:
1852 pass
1853 try:
1854 mask = os.umask(0)
1855 os.umask(mask)
1856 os.chmod(tf.name, 0o666 & ~mask)
1857 except OSError:
1858 pass
1859 os.rename(tf.name, fn)
1860 except Exception:
1861 try:
1862 os.remove(tf.name)
1863 except OSError:
1864 pass
1865 raise
1866
1867
1868 if sys.version_info >= (2, 7):
1869 def find_xpath_attr(node, xpath, key, val=None):
1870 """ Find the xpath xpath[@key=val] """
1871 assert re.match(r'^[a-zA-Z_-]+$', key)
1872 expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val))
1873 return node.find(expr)
1874 else:
1875 def find_xpath_attr(node, xpath, key, val=None):
1876 for f in node.findall(compat_xpath(xpath)):
1877 if key not in f.attrib:
1878 continue
1879 if val is None or f.attrib.get(key) == val:
1880 return f
1881 return None
1882
1883 # On python2.6 the xml.etree.ElementTree.Element methods don't support
1884 # the namespace parameter
1885
1886
1887 def xpath_with_ns(path, ns_map):
1888 components = [c.split(':') for c in path.split('/')]
1889 replaced = []
1890 for c in components:
1891 if len(c) == 1:
1892 replaced.append(c[0])
1893 else:
1894 ns, tag = c
1895 replaced.append('{%s}%s' % (ns_map[ns], tag))
1896 return '/'.join(replaced)
1897
1898
1899 def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
1900 def _find_xpath(xpath):
1901 return node.find(compat_xpath(xpath))
1902
1903 if isinstance(xpath, (str, compat_str)):
1904 n = _find_xpath(xpath)
1905 else:
1906 for xp in xpath:
1907 n = _find_xpath(xp)
1908 if n is not None:
1909 break
1910
1911 if n is None:
1912 if default is not NO_DEFAULT:
1913 return default
1914 elif fatal:
1915 name = xpath if name is None else name
1916 raise ExtractorError('Could not find XML element %s' % name)
1917 else:
1918 return None
1919 return n
1920
1921
1922 def xpath_text(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
1923 n = xpath_element(node, xpath, name, fatal=fatal, default=default)
1924 if n is None or n == default:
1925 return n
1926 if n.text is None:
1927 if default is not NO_DEFAULT:
1928 return default
1929 elif fatal:
1930 name = xpath if name is None else name
1931 raise ExtractorError('Could not find XML element\'s text %s' % name)
1932 else:
1933 return None
1934 return n.text
1935
1936
1937 def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT):
1938 n = find_xpath_attr(node, xpath, key)
1939 if n is None:
1940 if default is not NO_DEFAULT:
1941 return default
1942 elif fatal:
1943 name = '%s[@%s]' % (xpath, key) if name is None else name
1944 raise ExtractorError('Could not find XML attribute %s' % name)
1945 else:
1946 return None
1947 return n.attrib[key]
1948
1949
1950 def get_element_by_id(id, html):
1951 """Return the content of the tag with the specified ID in the passed HTML document"""
1952 return get_element_by_attribute('id', id, html)
1953
1954
1955 def get_element_by_class(class_name, html):
1956 """Return the content of the first tag with the specified class in the passed HTML document"""
1957 retval = get_elements_by_class(class_name, html)
1958 return retval[0] if retval else None
1959
1960
1961 def get_element_by_attribute(attribute, value, html, escape_value=True):
1962 retval = get_elements_by_attribute(attribute, value, html, escape_value)
1963 return retval[0] if retval else None
1964
1965
1966 def get_elements_by_class(class_name, html):
1967 """Return the content of all tags with the specified class in the passed HTML document as a list"""
1968 return get_elements_by_attribute(
1969 'class', r'[^\'"]*\b%s\b[^\'"]*' % re.escape(class_name),
1970 html, escape_value=False)
1971
1972
1973 def get_elements_by_attribute(attribute, value, html, escape_value=True):
1974 """Return the content of the tag with the specified attribute in the passed HTML document"""
1975
1976 value = re.escape(value) if escape_value else value
1977
1978 retlist = []
1979 for m in re.finditer(r'''(?xs)
1980 <([a-zA-Z0-9:._-]+)
1981 (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*?
1982 \s+%s=['"]?%s['"]?
1983 (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*?
1984 \s*>
1985 (?P<content>.*?)
1986 </\1>
1987 ''' % (re.escape(attribute), value), html):
1988 res = m.group('content')
1989
1990 if res.startswith('"') or res.startswith("'"):
1991 res = res[1:-1]
1992
1993 retlist.append(unescapeHTML(res))
1994
1995 return retlist
1996
1997
1998 class HTMLAttributeParser(compat_HTMLParser):
1999 """Trivial HTML parser to gather the attributes for a single element"""
2000
2001 def __init__(self):
2002 self.attrs = {}
2003 compat_HTMLParser.__init__(self)
2004
2005 def handle_starttag(self, tag, attrs):
2006 self.attrs = dict(attrs)
2007
2008
2009 def extract_attributes(html_element):
2010 """Given a string for an HTML element such as
2011 <el
2012 a="foo" B="bar" c="&98;az" d=boz
2013 empty= noval entity="&amp;"
2014 sq='"' dq="'"
2015 >
2016 Decode and return a dictionary of attributes.
2017 {
2018 'a': 'foo', 'b': 'bar', c: 'baz', d: 'boz',
2019 'empty': '', 'noval': None, 'entity': '&',
2020 'sq': '"', 'dq': '\''
2021 }.
2022 NB HTMLParser is stricter in Python 2.6 & 3.2 than in later versions,
2023 but the cases in the unit test will work for all of 2.6, 2.7, 3.2-3.5.
2024 """
2025 parser = HTMLAttributeParser()
2026 try:
2027 parser.feed(html_element)
2028 parser.close()
2029 # Older Python may throw HTMLParseError in case of malformed HTML
2030 except compat_HTMLParseError:
2031 pass
2032 return parser.attrs
2033
2034
2035 def clean_html(html):
2036 """Clean an HTML snippet into a readable string"""
2037
2038 if html is None: # Convenience for sanitizing descriptions etc.
2039 return html
2040
2041 # Newline vs <br />
2042 html = html.replace('\n', ' ')
2043 html = re.sub(r'(?u)\s*<\s*br\s*/?\s*>\s*', '\n', html)
2044 html = re.sub(r'(?u)<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
2045 # Strip html tags
2046 html = re.sub('<.*?>', '', html)
2047 # Replace html entities
2048 html = unescapeHTML(html)
2049 return html.strip()
2050
2051
2052 def sanitize_open(filename, open_mode):
2053 """Try to open the given filename, and slightly tweak it if this fails.
2054
2055 Attempts to open the given filename. If this fails, it tries to change
2056 the filename slightly, step by step, until it's either able to open it
2057 or it fails and raises a final exception, like the standard open()
2058 function.
2059
2060 It returns the tuple (stream, definitive_file_name).
2061 """
2062 try:
2063 if filename == '-':
2064 if sys.platform == 'win32':
2065 import msvcrt
2066 msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
2067 return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename)
2068 stream = open(encodeFilename(filename), open_mode)
2069 return (stream, filename)
2070 except (IOError, OSError) as err:
2071 if err.errno in (errno.EACCES,):
2072 raise
2073
2074 # In case of error, try to remove win32 forbidden chars
2075 alt_filename = sanitize_path(filename)
2076 if alt_filename == filename:
2077 raise
2078 else:
2079 # An exception here should be caught in the caller
2080 stream = open(encodeFilename(alt_filename), open_mode)
2081 return (stream, alt_filename)
2082
2083
2084 def timeconvert(timestr):
2085 """Convert RFC 2822 defined time string into system timestamp"""
2086 timestamp = None
2087 timetuple = email.utils.parsedate_tz(timestr)
2088 if timetuple is not None:
2089 timestamp = email.utils.mktime_tz(timetuple)
2090 return timestamp
2091
2092
2093 def sanitize_filename(s, restricted=False, is_id=False):
2094 """Sanitizes a string so it could be used as part of a filename.
2095 If restricted is set, use a stricter subset of allowed characters.
2096 Set is_id if this is not an arbitrary string, but an ID that should be kept
2097 if possible.
2098 """
2099 def replace_insane(char):
2100 if restricted and char in ACCENT_CHARS:
2101 return ACCENT_CHARS[char]
2102 elif not restricted and char == '\n':
2103 return ' '
2104 elif char == '?' or ord(char) < 32 or ord(char) == 127:
2105 return ''
2106 elif char == '"':
2107 return '' if restricted else '\''
2108 elif char == ':':
2109 return '_-' if restricted else ' -'
2110 elif char in '\\/|*<>':
2111 return '_'
2112 if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace()):
2113 return '_'
2114 if restricted and ord(char) > 127:
2115 return '_'
2116 return char
2117
2118 if s == '':
2119 return ''
2120 # Handle timestamps
2121 s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s)
2122 result = ''.join(map(replace_insane, s))
2123 if not is_id:
2124 while '__' in result:
2125 result = result.replace('__', '_')
2126 result = result.strip('_')
2127 # Common case of "Foreign band name - English song title"
2128 if restricted and result.startswith('-_'):
2129 result = result[2:]
2130 if result.startswith('-'):
2131 result = '_' + result[len('-'):]
2132 result = result.lstrip('.')
2133 if not result:
2134 result = '_'
2135 return result
2136
2137
2138 def sanitize_path(s, force=False):
2139 """Sanitizes and normalizes path on Windows"""
2140 if sys.platform == 'win32':
2141 force = False
2142 drive_or_unc, _ = os.path.splitdrive(s)
2143 if sys.version_info < (2, 7) and not drive_or_unc:
2144 drive_or_unc, _ = os.path.splitunc(s)
2145 elif force:
2146 drive_or_unc = ''
2147 else:
2148 return s
2149
2150 norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep)
2151 if drive_or_unc:
2152 norm_path.pop(0)
2153 sanitized_path = [
2154 path_part if path_part in ['.', '..'] else re.sub(r'(?:[/<>:"\|\\?\*]|[\s.]$)', '#', path_part)
2155 for path_part in norm_path]
2156 if drive_or_unc:
2157 sanitized_path.insert(0, drive_or_unc + os.path.sep)
2158 elif force and s[0] == os.path.sep:
2159 sanitized_path.insert(0, os.path.sep)
2160 return os.path.join(*sanitized_path)
2161
2162
2163 def sanitize_url(url):
2164 # Prepend protocol-less URLs with `http:` scheme in order to mitigate
2165 # the number of unwanted failures due to missing protocol
2166 if url.startswith('//'):
2167 return 'http:%s' % url
2168 # Fix some common typos seen so far
2169 COMMON_TYPOS = (
2170 # https://github.com/ytdl-org/youtube-dl/issues/15649
2171 (r'^httpss://', r'https://'),
2172 # https://bx1.be/lives/direct-tv/
2173 (r'^rmtp([es]?)://', r'rtmp\1://'),
2174 )
2175 for mistake, fixup in COMMON_TYPOS:
2176 if re.match(mistake, url):
2177 return re.sub(mistake, fixup, url)
2178 return url
2179
2180
2181 def extract_basic_auth(url):
2182 parts = compat_urlparse.urlsplit(url)
2183 if parts.username is None:
2184 return url, None
2185 url = compat_urlparse.urlunsplit(parts._replace(netloc=(
2186 parts.hostname if parts.port is None
2187 else '%s:%d' % (parts.hostname, parts.port))))
2188 auth_payload = base64.b64encode(
2189 ('%s:%s' % (parts.username, parts.password or '')).encode('utf-8'))
2190 return url, 'Basic ' + auth_payload.decode('utf-8')
2191
2192
2193 def sanitized_Request(url, *args, **kwargs):
2194 url, auth_header = extract_basic_auth(escape_url(sanitize_url(url)))
2195 if auth_header is not None:
2196 headers = args[1] if len(args) >= 2 else kwargs.setdefault('headers', {})
2197 headers['Authorization'] = auth_header
2198 return compat_urllib_request.Request(url, *args, **kwargs)
2199
2200
2201 def expand_path(s):
2202 """Expand shell variables and ~"""
2203 return os.path.expandvars(compat_expanduser(s))
2204
2205
2206 def orderedSet(iterable):
2207 """ Remove all duplicates from the input iterable """
2208 res = []
2209 for el in iterable:
2210 if el not in res:
2211 res.append(el)
2212 return res
2213
2214
2215 def _htmlentity_transform(entity_with_semicolon):
2216 """Transforms an HTML entity to a character."""
2217 entity = entity_with_semicolon[:-1]
2218
2219 # Known non-numeric HTML entity
2220 if entity in compat_html_entities.name2codepoint:
2221 return compat_chr(compat_html_entities.name2codepoint[entity])
2222
2223 # TODO: HTML5 allows entities without a semicolon. For example,
2224 # '&Eacuteric' should be decoded as 'Éric'.
2225 if entity_with_semicolon in compat_html_entities_html5:
2226 return compat_html_entities_html5[entity_with_semicolon]
2227
2228 mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity)
2229 if mobj is not None:
2230 numstr = mobj.group(1)
2231 if numstr.startswith('x'):
2232 base = 16
2233 numstr = '0%s' % numstr
2234 else:
2235 base = 10
2236 # See https://github.com/ytdl-org/youtube-dl/issues/7518
2237 try:
2238 return compat_chr(int(numstr, base))
2239 except ValueError:
2240 pass
2241
2242 # Unknown entity in name, return its literal representation
2243 return '&%s;' % entity
2244
2245
2246 def unescapeHTML(s):
2247 if s is None:
2248 return None
2249 assert type(s) == compat_str
2250
2251 return re.sub(
2252 r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s)
2253
2254
2255 def escapeHTML(text):
2256 return (
2257 text
2258 .replace('&', '&amp;')
2259 .replace('<', '&lt;')
2260 .replace('>', '&gt;')
2261 .replace('"', '&quot;')
2262 .replace("'", '&#39;')
2263 )
2264
2265
2266 def process_communicate_or_kill(p, *args, **kwargs):
2267 try:
2268 return p.communicate(*args, **kwargs)
2269 except BaseException: # Including KeyboardInterrupt
2270 p.kill()
2271 p.wait()
2272 raise
2273
2274
2275 def get_subprocess_encoding():
2276 if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
2277 # For subprocess calls, encode with locale encoding
2278 # Refer to http://stackoverflow.com/a/9951851/35070
2279 encoding = preferredencoding()
2280 else:
2281 encoding = sys.getfilesystemencoding()
2282 if encoding is None:
2283 encoding = 'utf-8'
2284 return encoding
2285
2286
2287 def encodeFilename(s, for_subprocess=False):
2288 """
2289 @param s The name of the file
2290 """
2291
2292 assert type(s) == compat_str
2293
2294 # Python 3 has a Unicode API
2295 if sys.version_info >= (3, 0):
2296 return s
2297
2298 # Pass '' directly to use Unicode APIs on Windows 2000 and up
2299 # (Detecting Windows NT 4 is tricky because 'major >= 4' would
2300 # match Windows 9x series as well. Besides, NT 4 is obsolete.)
2301 if not for_subprocess and sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
2302 return s
2303
2304 # Jython assumes filenames are Unicode strings though reported as Python 2.x compatible
2305 if sys.platform.startswith('java'):
2306 return s
2307
2308 return s.encode(get_subprocess_encoding(), 'ignore')
2309
2310
2311 def decodeFilename(b, for_subprocess=False):
2312
2313 if sys.version_info >= (3, 0):
2314 return b
2315
2316 if not isinstance(b, bytes):
2317 return b
2318
2319 return b.decode(get_subprocess_encoding(), 'ignore')
2320
2321
2322 def encodeArgument(s):
2323 if not isinstance(s, compat_str):
2324 # Legacy code that uses byte strings
2325 # Uncomment the following line after fixing all post processors
2326 # assert False, 'Internal error: %r should be of type %r, is %r' % (s, compat_str, type(s))
2327 s = s.decode('ascii')
2328 return encodeFilename(s, True)
2329
2330
2331 def decodeArgument(b):
2332 return decodeFilename(b, True)
2333
2334
2335 def decodeOption(optval):
2336 if optval is None:
2337 return optval
2338 if isinstance(optval, bytes):
2339 optval = optval.decode(preferredencoding())
2340
2341 assert isinstance(optval, compat_str)
2342 return optval
2343
2344
2345 def formatSeconds(secs, delim=':', msec=False):
2346 if secs > 3600:
2347 ret = '%d%s%02d%s%02d' % (secs // 3600, delim, (secs % 3600) // 60, delim, secs % 60)
2348 elif secs > 60:
2349 ret = '%d%s%02d' % (secs // 60, delim, secs % 60)
2350 else:
2351 ret = '%d' % secs
2352 return '%s.%03d' % (ret, secs % 1) if msec else ret
2353
2354
2355 def make_HTTPS_handler(params, **kwargs):
2356 opts_no_check_certificate = params.get('nocheckcertificate', False)
2357 if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9
2358 context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
2359 if opts_no_check_certificate:
2360 context.check_hostname = False
2361 context.verify_mode = ssl.CERT_NONE
2362 try:
2363 return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
2364 except TypeError:
2365 # Python 2.7.8
2366 # (create_default_context present but HTTPSHandler has no context=)
2367 pass
2368
2369 if sys.version_info < (3, 2):
2370 return YoutubeDLHTTPSHandler(params, **kwargs)
2371 else: # Python < 3.4
2372 context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
2373 context.verify_mode = (ssl.CERT_NONE
2374 if opts_no_check_certificate
2375 else ssl.CERT_REQUIRED)
2376 context.set_default_verify_paths()
2377 return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
2378
2379
2380 def bug_reports_message(before=';'):
2381 if ytdl_is_updateable():
2382 update_cmd = 'type yt-dlp -U to update'
2383 else:
2384 update_cmd = 'see https://github.com/yt-dlp/yt-dlp on how to update'
2385 msg = 'please report this issue on https://github.com/yt-dlp/yt-dlp .'
2386 msg += ' Make sure you are using the latest version; %s.' % update_cmd
2387 msg += ' Be sure to call yt-dlp with the --verbose flag and include its complete output.'
2388
2389 before = before.rstrip()
2390 if not before or before.endswith(('.', '!', '?')):
2391 msg = msg[0].title() + msg[1:]
2392
2393 return (before + ' ' if before else '') + msg
2394
2395
2396 class YoutubeDLError(Exception):
2397 """Base exception for YoutubeDL errors."""
2398 pass
2399
2400
2401 network_exceptions = [compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error]
2402 if hasattr(ssl, 'CertificateError'):
2403 network_exceptions.append(ssl.CertificateError)
2404 network_exceptions = tuple(network_exceptions)
2405
2406
2407 class ExtractorError(YoutubeDLError):
2408 """Error during info extraction."""
2409
2410 def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None, ie=None):
2411 """ tb, if given, is the original traceback (so that it can be printed out).
2412 If expected is set, this is a normal error message and most likely not a bug in yt-dlp.
2413 """
2414 if sys.exc_info()[0] in network_exceptions:
2415 expected = True
2416
2417 self.msg = str(msg)
2418 self.traceback = tb
2419 self.expected = expected
2420 self.cause = cause
2421 self.video_id = video_id
2422 self.ie = ie
2423 self.exc_info = sys.exc_info() # preserve original exception
2424
2425 super(ExtractorError, self).__init__(''.join((
2426 format_field(ie, template='[%s] '),
2427 format_field(video_id, template='%s: '),
2428 self.msg,
2429 format_field(cause, template=' (caused by %r)'),
2430 '' if expected else bug_reports_message())))
2431
2432 def format_traceback(self):
2433 if self.traceback is None:
2434 return None
2435 return ''.join(traceback.format_tb(self.traceback))
2436
2437
2438 class UnsupportedError(ExtractorError):
2439 def __init__(self, url):
2440 super(UnsupportedError, self).__init__(
2441 'Unsupported URL: %s' % url, expected=True)
2442 self.url = url
2443
2444
2445 class RegexNotFoundError(ExtractorError):
2446 """Error when a regex didn't match"""
2447 pass
2448
2449
2450 class GeoRestrictedError(ExtractorError):
2451 """Geographic restriction Error exception.
2452
2453 This exception may be thrown when a video is not available from your
2454 geographic location due to geographic restrictions imposed by a website.
2455 """
2456
2457 def __init__(self, msg, countries=None):
2458 super(GeoRestrictedError, self).__init__(msg, expected=True)
2459 self.msg = msg
2460 self.countries = countries
2461
2462
2463 class DownloadError(YoutubeDLError):
2464 """Download Error exception.
2465
2466 This exception may be thrown by FileDownloader objects if they are not
2467 configured to continue on errors. They will contain the appropriate
2468 error message.
2469 """
2470
2471 def __init__(self, msg, exc_info=None):
2472 """ exc_info, if given, is the original exception that caused the trouble (as returned by sys.exc_info()). """
2473 super(DownloadError, self).__init__(msg)
2474 self.exc_info = exc_info
2475
2476
2477 class EntryNotInPlaylist(YoutubeDLError):
2478 """Entry not in playlist exception.
2479
2480 This exception will be thrown by YoutubeDL when a requested entry
2481 is not found in the playlist info_dict
2482 """
2483 pass
2484
2485
2486 class SameFileError(YoutubeDLError):
2487 """Same File exception.
2488
2489 This exception will be thrown by FileDownloader objects if they detect
2490 multiple files would have to be downloaded to the same file on disk.
2491 """
2492 pass
2493
2494
2495 class PostProcessingError(YoutubeDLError):
2496 """Post Processing exception.
2497
2498 This exception may be raised by PostProcessor's .run() method to
2499 indicate an error in the postprocessing task.
2500 """
2501
2502 def __init__(self, msg):
2503 super(PostProcessingError, self).__init__(msg)
2504 self.msg = msg
2505
2506
2507 class ExistingVideoReached(YoutubeDLError):
2508 """ --max-downloads limit has been reached. """
2509 pass
2510
2511
2512 class RejectedVideoReached(YoutubeDLError):
2513 """ --max-downloads limit has been reached. """
2514 pass
2515
2516
2517 class ThrottledDownload(YoutubeDLError):
2518 """ Download speed below --throttled-rate. """
2519 pass
2520
2521
2522 class MaxDownloadsReached(YoutubeDLError):
2523 """ --max-downloads limit has been reached. """
2524 pass
2525
2526
2527 class UnavailableVideoError(YoutubeDLError):
2528 """Unavailable Format exception.
2529
2530 This exception will be thrown when a video is requested
2531 in a format that is not available for that video.
2532 """
2533 pass
2534
2535
2536 class ContentTooShortError(YoutubeDLError):
2537 """Content Too Short exception.
2538
2539 This exception may be raised by FileDownloader objects when a file they
2540 download is too small for what the server announced first, indicating
2541 the connection was probably interrupted.
2542 """
2543
2544 def __init__(self, downloaded, expected):
2545 super(ContentTooShortError, self).__init__(
2546 'Downloaded {0} bytes, expected {1} bytes'.format(downloaded, expected)
2547 )
2548 # Both in bytes
2549 self.downloaded = downloaded
2550 self.expected = expected
2551
2552
2553 class XAttrMetadataError(YoutubeDLError):
2554 def __init__(self, code=None, msg='Unknown error'):
2555 super(XAttrMetadataError, self).__init__(msg)
2556 self.code = code
2557 self.msg = msg
2558
2559 # Parsing code and msg
2560 if (self.code in (errno.ENOSPC, errno.EDQUOT)
2561 or 'No space left' in self.msg or 'Disk quota exceeded' in self.msg):
2562 self.reason = 'NO_SPACE'
2563 elif self.code == errno.E2BIG or 'Argument list too long' in self.msg:
2564 self.reason = 'VALUE_TOO_LONG'
2565 else:
2566 self.reason = 'NOT_SUPPORTED'
2567
2568
2569 class XAttrUnavailableError(YoutubeDLError):
2570 pass
2571
2572
2573 def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs):
2574 # Working around python 2 bug (see http://bugs.python.org/issue17849) by limiting
2575 # expected HTTP responses to meet HTTP/1.0 or later (see also
2576 # https://github.com/ytdl-org/youtube-dl/issues/6727)
2577 if sys.version_info < (3, 0):
2578 kwargs['strict'] = True
2579 hc = http_class(*args, **compat_kwargs(kwargs))
2580 source_address = ydl_handler._params.get('source_address')
2581
2582 if source_address is not None:
2583 # This is to workaround _create_connection() from socket where it will try all
2584 # address data from getaddrinfo() including IPv6. This filters the result from
2585 # getaddrinfo() based on the source_address value.
2586 # This is based on the cpython socket.create_connection() function.
2587 # https://github.com/python/cpython/blob/master/Lib/socket.py#L691
2588 def _create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, source_address=None):
2589 host, port = address
2590 err = None
2591 addrs = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM)
2592 af = socket.AF_INET if '.' in source_address[0] else socket.AF_INET6
2593 ip_addrs = [addr for addr in addrs if addr[0] == af]
2594 if addrs and not ip_addrs:
2595 ip_version = 'v4' if af == socket.AF_INET else 'v6'
2596 raise socket.error(
2597 "No remote IP%s addresses available for connect, can't use '%s' as source address"
2598 % (ip_version, source_address[0]))
2599 for res in ip_addrs:
2600 af, socktype, proto, canonname, sa = res
2601 sock = None
2602 try:
2603 sock = socket.socket(af, socktype, proto)
2604 if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
2605 sock.settimeout(timeout)
2606 sock.bind(source_address)
2607 sock.connect(sa)
2608 err = None # Explicitly break reference cycle
2609 return sock
2610 except socket.error as _:
2611 err = _
2612 if sock is not None:
2613 sock.close()
2614 if err is not None:
2615 raise err
2616 else:
2617 raise socket.error('getaddrinfo returns an empty list')
2618 if hasattr(hc, '_create_connection'):
2619 hc._create_connection = _create_connection
2620 sa = (source_address, 0)
2621 if hasattr(hc, 'source_address'): # Python 2.7+
2622 hc.source_address = sa
2623 else: # Python 2.6
2624 def _hc_connect(self, *args, **kwargs):
2625 sock = _create_connection(
2626 (self.host, self.port), self.timeout, sa)
2627 if is_https:
2628 self.sock = ssl.wrap_socket(
2629 sock, self.key_file, self.cert_file,
2630 ssl_version=ssl.PROTOCOL_TLSv1)
2631 else:
2632 self.sock = sock
2633 hc.connect = functools.partial(_hc_connect, hc)
2634
2635 return hc
2636
2637
2638 def handle_youtubedl_headers(headers):
2639 filtered_headers = headers
2640
2641 if 'Youtubedl-no-compression' in filtered_headers:
2642 filtered_headers = dict((k, v) for k, v in filtered_headers.items() if k.lower() != 'accept-encoding')
2643 del filtered_headers['Youtubedl-no-compression']
2644
2645 return filtered_headers
2646
2647
2648 class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
2649 """Handler for HTTP requests and responses.
2650
2651 This class, when installed with an OpenerDirector, automatically adds
2652 the standard headers to every HTTP request and handles gzipped and
2653 deflated responses from web servers. If compression is to be avoided in
2654 a particular request, the original request in the program code only has
2655 to include the HTTP header "Youtubedl-no-compression", which will be
2656 removed before making the real request.
2657
2658 Part of this code was copied from:
2659
2660 http://techknack.net/python-urllib2-handlers/
2661
2662 Andrew Rowls, the author of that code, agreed to release it to the
2663 public domain.
2664 """
2665
2666 def __init__(self, params, *args, **kwargs):
2667 compat_urllib_request.HTTPHandler.__init__(self, *args, **kwargs)
2668 self._params = params
2669
2670 def http_open(self, req):
2671 conn_class = compat_http_client.HTTPConnection
2672
2673 socks_proxy = req.headers.get('Ytdl-socks-proxy')
2674 if socks_proxy:
2675 conn_class = make_socks_conn_class(conn_class, socks_proxy)
2676 del req.headers['Ytdl-socks-proxy']
2677
2678 return self.do_open(functools.partial(
2679 _create_http_connection, self, conn_class, False),
2680 req)
2681
2682 @staticmethod
2683 def deflate(data):
2684 if not data:
2685 return data
2686 try:
2687 return zlib.decompress(data, -zlib.MAX_WBITS)
2688 except zlib.error:
2689 return zlib.decompress(data)
2690
2691 def http_request(self, req):
2692 # According to RFC 3986, URLs can not contain non-ASCII characters, however this is not
2693 # always respected by websites, some tend to give out URLs with non percent-encoded
2694 # non-ASCII characters (see telemb.py, ard.py [#3412])
2695 # urllib chokes on URLs with non-ASCII characters (see http://bugs.python.org/issue3991)
2696 # To work around aforementioned issue we will replace request's original URL with
2697 # percent-encoded one
2698 # Since redirects are also affected (e.g. http://www.southpark.de/alle-episoden/s18e09)
2699 # the code of this workaround has been moved here from YoutubeDL.urlopen()
2700 url = req.get_full_url()
2701 url_escaped = escape_url(url)
2702
2703 # Substitute URL if any change after escaping
2704 if url != url_escaped:
2705 req = update_Request(req, url=url_escaped)
2706
2707 for h, v in std_headers.items():
2708 # Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275
2709 # The dict keys are capitalized because of this bug by urllib
2710 if h.capitalize() not in req.headers:
2711 req.add_header(h, v)
2712
2713 req.headers = handle_youtubedl_headers(req.headers)
2714
2715 if sys.version_info < (2, 7) and '#' in req.get_full_url():
2716 # Python 2.6 is brain-dead when it comes to fragments
2717 req._Request__original = req._Request__original.partition('#')[0]
2718 req._Request__r_type = req._Request__r_type.partition('#')[0]
2719
2720 return req
2721
2722 def http_response(self, req, resp):
2723 old_resp = resp
2724 # gzip
2725 if resp.headers.get('Content-encoding', '') == 'gzip':
2726 content = resp.read()
2727 gz = gzip.GzipFile(fileobj=io.BytesIO(content), mode='rb')
2728 try:
2729 uncompressed = io.BytesIO(gz.read())
2730 except IOError as original_ioerror:
2731 # There may be junk add the end of the file
2732 # See http://stackoverflow.com/q/4928560/35070 for details
2733 for i in range(1, 1024):
2734 try:
2735 gz = gzip.GzipFile(fileobj=io.BytesIO(content[:-i]), mode='rb')
2736 uncompressed = io.BytesIO(gz.read())
2737 except IOError:
2738 continue
2739 break
2740 else:
2741 raise original_ioerror
2742 resp = compat_urllib_request.addinfourl(uncompressed, old_resp.headers, old_resp.url, old_resp.code)
2743 resp.msg = old_resp.msg
2744 del resp.headers['Content-encoding']
2745 # deflate
2746 if resp.headers.get('Content-encoding', '') == 'deflate':
2747 gz = io.BytesIO(self.deflate(resp.read()))
2748 resp = compat_urllib_request.addinfourl(gz, old_resp.headers, old_resp.url, old_resp.code)
2749 resp.msg = old_resp.msg
2750 del resp.headers['Content-encoding']
2751 # Percent-encode redirect URL of Location HTTP header to satisfy RFC 3986 (see
2752 # https://github.com/ytdl-org/youtube-dl/issues/6457).
2753 if 300 <= resp.code < 400:
2754 location = resp.headers.get('Location')
2755 if location:
2756 # As of RFC 2616 default charset is iso-8859-1 that is respected by python 3
2757 if sys.version_info >= (3, 0):
2758 location = location.encode('iso-8859-1').decode('utf-8')
2759 else:
2760 location = location.decode('utf-8')
2761 location_escaped = escape_url(location)
2762 if location != location_escaped:
2763 del resp.headers['Location']
2764 if sys.version_info < (3, 0):
2765 location_escaped = location_escaped.encode('utf-8')
2766 resp.headers['Location'] = location_escaped
2767 return resp
2768
2769 https_request = http_request
2770 https_response = http_response
2771
2772
2773 def make_socks_conn_class(base_class, socks_proxy):
2774 assert issubclass(base_class, (
2775 compat_http_client.HTTPConnection, compat_http_client.HTTPSConnection))
2776
2777 url_components = compat_urlparse.urlparse(socks_proxy)
2778 if url_components.scheme.lower() == 'socks5':
2779 socks_type = ProxyType.SOCKS5
2780 elif url_components.scheme.lower() in ('socks', 'socks4'):
2781 socks_type = ProxyType.SOCKS4
2782 elif url_components.scheme.lower() == 'socks4a':
2783 socks_type = ProxyType.SOCKS4A
2784
2785 def unquote_if_non_empty(s):
2786 if not s:
2787 return s
2788 return compat_urllib_parse_unquote_plus(s)
2789
2790 proxy_args = (
2791 socks_type,
2792 url_components.hostname, url_components.port or 1080,
2793 True, # Remote DNS
2794 unquote_if_non_empty(url_components.username),
2795 unquote_if_non_empty(url_components.password),
2796 )
2797
2798 class SocksConnection(base_class):
2799 def connect(self):
2800 self.sock = sockssocket()
2801 self.sock.setproxy(*proxy_args)
2802 if type(self.timeout) in (int, float):
2803 self.sock.settimeout(self.timeout)
2804 self.sock.connect((self.host, self.port))
2805
2806 if isinstance(self, compat_http_client.HTTPSConnection):
2807 if hasattr(self, '_context'): # Python > 2.6
2808 self.sock = self._context.wrap_socket(
2809 self.sock, server_hostname=self.host)
2810 else:
2811 self.sock = ssl.wrap_socket(self.sock)
2812
2813 return SocksConnection
2814
2815
2816 class YoutubeDLHTTPSHandler(compat_urllib_request.HTTPSHandler):
2817 def __init__(self, params, https_conn_class=None, *args, **kwargs):
2818 compat_urllib_request.HTTPSHandler.__init__(self, *args, **kwargs)
2819 self._https_conn_class = https_conn_class or compat_http_client.HTTPSConnection
2820 self._params = params
2821
2822 def https_open(self, req):
2823 kwargs = {}
2824 conn_class = self._https_conn_class
2825
2826 if hasattr(self, '_context'): # python > 2.6
2827 kwargs['context'] = self._context
2828 if hasattr(self, '_check_hostname'): # python 3.x
2829 kwargs['check_hostname'] = self._check_hostname
2830
2831 socks_proxy = req.headers.get('Ytdl-socks-proxy')
2832 if socks_proxy:
2833 conn_class = make_socks_conn_class(conn_class, socks_proxy)
2834 del req.headers['Ytdl-socks-proxy']
2835
2836 return self.do_open(functools.partial(
2837 _create_http_connection, self, conn_class, True),
2838 req, **kwargs)
2839
2840
2841 class YoutubeDLCookieJar(compat_cookiejar.MozillaCookieJar):
2842 """
2843 See [1] for cookie file format.
2844
2845 1. https://curl.haxx.se/docs/http-cookies.html
2846 """
2847 _HTTPONLY_PREFIX = '#HttpOnly_'
2848 _ENTRY_LEN = 7
2849 _HEADER = '''# Netscape HTTP Cookie File
2850 # This file is generated by yt-dlp. Do not edit.
2851
2852 '''
2853 _CookieFileEntry = collections.namedtuple(
2854 'CookieFileEntry',
2855 ('domain_name', 'include_subdomains', 'path', 'https_only', 'expires_at', 'name', 'value'))
2856
2857 def save(self, filename=None, ignore_discard=False, ignore_expires=False):
2858 """
2859 Save cookies to a file.
2860
2861 Most of the code is taken from CPython 3.8 and slightly adapted
2862 to support cookie files with UTF-8 in both python 2 and 3.
2863 """
2864 if filename is None:
2865 if self.filename is not None:
2866 filename = self.filename
2867 else:
2868 raise ValueError(compat_cookiejar.MISSING_FILENAME_TEXT)
2869
2870 # Store session cookies with `expires` set to 0 instead of an empty
2871 # string
2872 for cookie in self:
2873 if cookie.expires is None:
2874 cookie.expires = 0
2875
2876 with io.open(filename, 'w', encoding='utf-8') as f:
2877 f.write(self._HEADER)
2878 now = time.time()
2879 for cookie in self:
2880 if not ignore_discard and cookie.discard:
2881 continue
2882 if not ignore_expires and cookie.is_expired(now):
2883 continue
2884 if cookie.secure:
2885 secure = 'TRUE'
2886 else:
2887 secure = 'FALSE'
2888 if cookie.domain.startswith('.'):
2889 initial_dot = 'TRUE'
2890 else:
2891 initial_dot = 'FALSE'
2892 if cookie.expires is not None:
2893 expires = compat_str(cookie.expires)
2894 else:
2895 expires = ''
2896 if cookie.value is None:
2897 # cookies.txt regards 'Set-Cookie: foo' as a cookie
2898 # with no name, whereas http.cookiejar regards it as a
2899 # cookie with no value.
2900 name = ''
2901 value = cookie.name
2902 else:
2903 name = cookie.name
2904 value = cookie.value
2905 f.write(
2906 '\t'.join([cookie.domain, initial_dot, cookie.path,
2907 secure, expires, name, value]) + '\n')
2908
2909 def load(self, filename=None, ignore_discard=False, ignore_expires=False):
2910 """Load cookies from a file."""
2911 if filename is None:
2912 if self.filename is not None:
2913 filename = self.filename
2914 else:
2915 raise ValueError(compat_cookiejar.MISSING_FILENAME_TEXT)
2916
2917 def prepare_line(line):
2918 if line.startswith(self._HTTPONLY_PREFIX):
2919 line = line[len(self._HTTPONLY_PREFIX):]
2920 # comments and empty lines are fine
2921 if line.startswith('#') or not line.strip():
2922 return line
2923 cookie_list = line.split('\t')
2924 if len(cookie_list) != self._ENTRY_LEN:
2925 raise compat_cookiejar.LoadError('invalid length %d' % len(cookie_list))
2926 cookie = self._CookieFileEntry(*cookie_list)
2927 if cookie.expires_at and not cookie.expires_at.isdigit():
2928 raise compat_cookiejar.LoadError('invalid expires at %s' % cookie.expires_at)
2929 return line
2930
2931 cf = io.StringIO()
2932 with io.open(filename, encoding='utf-8') as f:
2933 for line in f:
2934 try:
2935 cf.write(prepare_line(line))
2936 except compat_cookiejar.LoadError as e:
2937 write_string(
2938 'WARNING: skipping cookie file entry due to %s: %r\n'
2939 % (e, line), sys.stderr)
2940 continue
2941 cf.seek(0)
2942 self._really_load(cf, filename, ignore_discard, ignore_expires)
2943 # Session cookies are denoted by either `expires` field set to
2944 # an empty string or 0. MozillaCookieJar only recognizes the former
2945 # (see [1]). So we need force the latter to be recognized as session
2946 # cookies on our own.
2947 # Session cookies may be important for cookies-based authentication,
2948 # e.g. usually, when user does not check 'Remember me' check box while
2949 # logging in on a site, some important cookies are stored as session
2950 # cookies so that not recognizing them will result in failed login.
2951 # 1. https://bugs.python.org/issue17164
2952 for cookie in self:
2953 # Treat `expires=0` cookies as session cookies
2954 if cookie.expires == 0:
2955 cookie.expires = None
2956 cookie.discard = True
2957
2958
2959 class YoutubeDLCookieProcessor(compat_urllib_request.HTTPCookieProcessor):
2960 def __init__(self, cookiejar=None):
2961 compat_urllib_request.HTTPCookieProcessor.__init__(self, cookiejar)
2962
2963 def http_response(self, request, response):
2964 # Python 2 will choke on next HTTP request in row if there are non-ASCII
2965 # characters in Set-Cookie HTTP header of last response (see
2966 # https://github.com/ytdl-org/youtube-dl/issues/6769).
2967 # In order to at least prevent crashing we will percent encode Set-Cookie
2968 # header before HTTPCookieProcessor starts processing it.
2969 # if sys.version_info < (3, 0) and response.headers:
2970 # for set_cookie_header in ('Set-Cookie', 'Set-Cookie2'):
2971 # set_cookie = response.headers.get(set_cookie_header)
2972 # if set_cookie:
2973 # set_cookie_escaped = compat_urllib_parse.quote(set_cookie, b"%/;:@&=+$,!~*'()?#[] ")
2974 # if set_cookie != set_cookie_escaped:
2975 # del response.headers[set_cookie_header]
2976 # response.headers[set_cookie_header] = set_cookie_escaped
2977 return compat_urllib_request.HTTPCookieProcessor.http_response(self, request, response)
2978
2979 https_request = compat_urllib_request.HTTPCookieProcessor.http_request
2980 https_response = http_response
2981
2982
2983 class YoutubeDLRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
2984 """YoutubeDL redirect handler
2985
2986 The code is based on HTTPRedirectHandler implementation from CPython [1].
2987
2988 This redirect handler solves two issues:
2989 - ensures redirect URL is always unicode under python 2
2990 - introduces support for experimental HTTP response status code
2991 308 Permanent Redirect [2] used by some sites [3]
2992
2993 1. https://github.com/python/cpython/blob/master/Lib/urllib/request.py
2994 2. https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/308
2995 3. https://github.com/ytdl-org/youtube-dl/issues/28768
2996 """
2997
2998 http_error_301 = http_error_303 = http_error_307 = http_error_308 = compat_urllib_request.HTTPRedirectHandler.http_error_302
2999
3000 def redirect_request(self, req, fp, code, msg, headers, newurl):
3001 """Return a Request or None in response to a redirect.
3002
3003 This is called by the http_error_30x methods when a
3004 redirection response is received. If a redirection should
3005 take place, return a new Request to allow http_error_30x to
3006 perform the redirect. Otherwise, raise HTTPError if no-one
3007 else should try to handle this url. Return None if you can't
3008 but another Handler might.
3009 """
3010 m = req.get_method()
3011 if (not (code in (301, 302, 303, 307, 308) and m in ("GET", "HEAD")
3012 or code in (301, 302, 303) and m == "POST")):
3013 raise compat_HTTPError(req.full_url, code, msg, headers, fp)
3014 # Strictly (according to RFC 2616), 301 or 302 in response to
3015 # a POST MUST NOT cause a redirection without confirmation
3016 # from the user (of urllib.request, in this case). In practice,
3017 # essentially all clients do redirect in this case, so we do
3018 # the same.
3019
3020 # On python 2 urlh.geturl() may sometimes return redirect URL
3021 # as byte string instead of unicode. This workaround allows
3022 # to force it always return unicode.
3023 if sys.version_info[0] < 3:
3024 newurl = compat_str(newurl)
3025
3026 # Be conciliant with URIs containing a space. This is mainly
3027 # redundant with the more complete encoding done in http_error_302(),
3028 # but it is kept for compatibility with other callers.
3029 newurl = newurl.replace(' ', '%20')
3030
3031 CONTENT_HEADERS = ("content-length", "content-type")
3032 # NB: don't use dict comprehension for python 2.6 compatibility
3033 newheaders = dict((k, v) for k, v in req.headers.items()
3034 if k.lower() not in CONTENT_HEADERS)
3035 return compat_urllib_request.Request(
3036 newurl, headers=newheaders, origin_req_host=req.origin_req_host,
3037 unverifiable=True)
3038
3039
3040 def extract_timezone(date_str):
3041 m = re.search(
3042 r'''(?x)
3043 ^.{8,}? # >=8 char non-TZ prefix, if present
3044 (?P<tz>Z| # just the UTC Z, or
3045 (?:(?<=.\b\d{4}|\b\d{2}:\d\d)| # preceded by 4 digits or hh:mm or
3046 (?<!.\b[a-zA-Z]{3}|[a-zA-Z]{4}|..\b\d\d)) # not preceded by 3 alpha word or >= 4 alpha or 2 digits
3047 [ ]? # optional space
3048 (?P<sign>\+|-) # +/-
3049 (?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2}) # hh[:]mm
3050 $)
3051 ''', date_str)
3052 if not m:
3053 timezone = datetime.timedelta()
3054 else:
3055 date_str = date_str[:-len(m.group('tz'))]
3056 if not m.group('sign'):
3057 timezone = datetime.timedelta()
3058 else:
3059 sign = 1 if m.group('sign') == '+' else -1
3060 timezone = datetime.timedelta(
3061 hours=sign * int(m.group('hours')),
3062 minutes=sign * int(m.group('minutes')))
3063 return timezone, date_str
3064
3065
3066 def parse_iso8601(date_str, delimiter='T', timezone=None):
3067 """ Return a UNIX timestamp from the given date """
3068
3069 if date_str is None:
3070 return None
3071
3072 date_str = re.sub(r'\.[0-9]+', '', date_str)
3073
3074 if timezone is None:
3075 timezone, date_str = extract_timezone(date_str)
3076
3077 try:
3078 date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter)
3079 dt = datetime.datetime.strptime(date_str, date_format) - timezone
3080 return calendar.timegm(dt.timetuple())
3081 except ValueError:
3082 pass
3083
3084
3085 def date_formats(day_first=True):
3086 return DATE_FORMATS_DAY_FIRST if day_first else DATE_FORMATS_MONTH_FIRST
3087
3088
3089 def unified_strdate(date_str, day_first=True):
3090 """Return a string with the date in the format YYYYMMDD"""
3091
3092 if date_str is None:
3093 return None
3094 upload_date = None
3095 # Replace commas
3096 date_str = date_str.replace(',', ' ')
3097 # Remove AM/PM + timezone
3098 date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
3099 _, date_str = extract_timezone(date_str)
3100
3101 for expression in date_formats(day_first):
3102 try:
3103 upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d')
3104 except ValueError:
3105 pass
3106 if upload_date is None:
3107 timetuple = email.utils.parsedate_tz(date_str)
3108 if timetuple:
3109 try:
3110 upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d')
3111 except ValueError:
3112 pass
3113 if upload_date is not None:
3114 return compat_str(upload_date)
3115
3116
3117 def unified_timestamp(date_str, day_first=True):
3118 if date_str is None:
3119 return None
3120
3121 date_str = re.sub(r'[,|]', '', date_str)
3122
3123 pm_delta = 12 if re.search(r'(?i)PM', date_str) else 0
3124 timezone, date_str = extract_timezone(date_str)
3125
3126 # Remove AM/PM + timezone
3127 date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
3128
3129 # Remove unrecognized timezones from ISO 8601 alike timestamps
3130 m = re.search(r'\d{1,2}:\d{1,2}(?:\.\d+)?(?P<tz>\s*[A-Z]+)$', date_str)
3131 if m:
3132 date_str = date_str[:-len(m.group('tz'))]
3133
3134 # Python only supports microseconds, so remove nanoseconds
3135 m = re.search(r'^([0-9]{4,}-[0-9]{1,2}-[0-9]{1,2}T[0-9]{1,2}:[0-9]{1,2}:[0-9]{1,2}\.[0-9]{6})[0-9]+$', date_str)
3136 if m:
3137 date_str = m.group(1)
3138
3139 for expression in date_formats(day_first):
3140 try:
3141 dt = datetime.datetime.strptime(date_str, expression) - timezone + datetime.timedelta(hours=pm_delta)
3142 return calendar.timegm(dt.timetuple())
3143 except ValueError:
3144 pass
3145 timetuple = email.utils.parsedate_tz(date_str)
3146 if timetuple:
3147 return calendar.timegm(timetuple) + pm_delta * 3600
3148
3149
3150 def determine_ext(url, default_ext='unknown_video'):
3151 if url is None or '.' not in url:
3152 return default_ext
3153 guess = url.partition('?')[0].rpartition('.')[2]
3154 if re.match(r'^[A-Za-z0-9]+$', guess):
3155 return guess
3156 # Try extract ext from URLs like http://example.com/foo/bar.mp4/?download
3157 elif guess.rstrip('/') in KNOWN_EXTENSIONS:
3158 return guess.rstrip('/')
3159 else:
3160 return default_ext
3161
3162
3163 def subtitles_filename(filename, sub_lang, sub_format, expected_real_ext=None):
3164 return replace_extension(filename, sub_lang + '.' + sub_format, expected_real_ext)
3165
3166
3167 def datetime_from_str(date_str, precision='auto', format='%Y%m%d'):
3168 """
3169 Return a datetime object from a string in the format YYYYMMDD or
3170 (now|today|date)[+-][0-9](microsecond|second|minute|hour|day|week|month|year)(s)?
3171
3172 format: string date format used to return datetime object from
3173 precision: round the time portion of a datetime object.
3174 auto|microsecond|second|minute|hour|day.
3175 auto: round to the unit provided in date_str (if applicable).
3176 """
3177 auto_precision = False
3178 if precision == 'auto':
3179 auto_precision = True
3180 precision = 'microsecond'
3181 today = datetime_round(datetime.datetime.now(), precision)
3182 if date_str in ('now', 'today'):
3183 return today
3184 if date_str == 'yesterday':
3185 return today - datetime.timedelta(days=1)
3186 match = re.match(
3187 r'(?P<start>.+)(?P<sign>[+-])(?P<time>\d+)(?P<unit>microsecond|second|minute|hour|day|week|month|year)(s)?',
3188 date_str)
3189 if match is not None:
3190 start_time = datetime_from_str(match.group('start'), precision, format)
3191 time = int(match.group('time')) * (-1 if match.group('sign') == '-' else 1)
3192 unit = match.group('unit')
3193 if unit == 'month' or unit == 'year':
3194 new_date = datetime_add_months(start_time, time * 12 if unit == 'year' else time)
3195 unit = 'day'
3196 else:
3197 if unit == 'week':
3198 unit = 'day'
3199 time *= 7
3200 delta = datetime.timedelta(**{unit + 's': time})
3201 new_date = start_time + delta
3202 if auto_precision:
3203 return datetime_round(new_date, unit)
3204 return new_date
3205
3206 return datetime_round(datetime.datetime.strptime(date_str, format), precision)
3207
3208
3209 def date_from_str(date_str, format='%Y%m%d'):
3210 """
3211 Return a datetime object from a string in the format YYYYMMDD or
3212 (now|today|date)[+-][0-9](microsecond|second|minute|hour|day|week|month|year)(s)?
3213
3214 format: string date format used to return datetime object from
3215 """
3216 return datetime_from_str(date_str, precision='microsecond', format=format).date()
3217
3218
3219 def datetime_add_months(dt, months):
3220 """Increment/Decrement a datetime object by months."""
3221 month = dt.month + months - 1
3222 year = dt.year + month // 12
3223 month = month % 12 + 1
3224 day = min(dt.day, calendar.monthrange(year, month)[1])
3225 return dt.replace(year, month, day)
3226
3227
3228 def datetime_round(dt, precision='day'):
3229 """
3230 Round a datetime object's time to a specific precision
3231 """
3232 if precision == 'microsecond':
3233 return dt
3234
3235 unit_seconds = {
3236 'day': 86400,
3237 'hour': 3600,
3238 'minute': 60,
3239 'second': 1,
3240 }
3241 roundto = lambda x, n: ((x + n / 2) // n) * n
3242 timestamp = calendar.timegm(dt.timetuple())
3243 return datetime.datetime.utcfromtimestamp(roundto(timestamp, unit_seconds[precision]))
3244
3245
3246 def hyphenate_date(date_str):
3247 """
3248 Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format"""
3249 match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', date_str)
3250 if match is not None:
3251 return '-'.join(match.groups())
3252 else:
3253 return date_str
3254
3255
3256 class DateRange(object):
3257 """Represents a time interval between two dates"""
3258
3259 def __init__(self, start=None, end=None):
3260 """start and end must be strings in the format accepted by date"""
3261 if start is not None:
3262 self.start = date_from_str(start)
3263 else:
3264 self.start = datetime.datetime.min.date()
3265 if end is not None:
3266 self.end = date_from_str(end)
3267 else:
3268 self.end = datetime.datetime.max.date()
3269 if self.start > self.end:
3270 raise ValueError('Date range: "%s" , the start date must be before the end date' % self)
3271
3272 @classmethod
3273 def day(cls, day):
3274 """Returns a range that only contains the given day"""
3275 return cls(day, day)
3276
3277 def __contains__(self, date):
3278 """Check if the date is in the range"""
3279 if not isinstance(date, datetime.date):
3280 date = date_from_str(date)
3281 return self.start <= date <= self.end
3282
3283 def __str__(self):
3284 return '%s - %s' % (self.start.isoformat(), self.end.isoformat())
3285
3286
3287 def platform_name():
3288 """ Returns the platform name as a compat_str """
3289 res = platform.platform()
3290 if isinstance(res, bytes):
3291 res = res.decode(preferredencoding())
3292
3293 assert isinstance(res, compat_str)
3294 return res
3295
3296
3297 def get_windows_version():
3298 ''' Get Windows version. None if it's not running on Windows '''
3299 if compat_os_name == 'nt':
3300 return version_tuple(platform.win32_ver()[1])
3301 else:
3302 return None
3303
3304
3305 def _windows_write_string(s, out):
3306 """ Returns True if the string was written using special methods,
3307 False if it has yet to be written out."""
3308 # Adapted from http://stackoverflow.com/a/3259271/35070
3309
3310 import ctypes
3311 import ctypes.wintypes
3312
3313 WIN_OUTPUT_IDS = {
3314 1: -11,
3315 2: -12,
3316 }
3317
3318 try:
3319 fileno = out.fileno()
3320 except AttributeError:
3321 # If the output stream doesn't have a fileno, it's virtual
3322 return False
3323 except io.UnsupportedOperation:
3324 # Some strange Windows pseudo files?
3325 return False
3326 if fileno not in WIN_OUTPUT_IDS:
3327 return False
3328
3329 GetStdHandle = compat_ctypes_WINFUNCTYPE(
3330 ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)(
3331 ('GetStdHandle', ctypes.windll.kernel32))
3332 h = GetStdHandle(WIN_OUTPUT_IDS[fileno])
3333
3334 WriteConsoleW = compat_ctypes_WINFUNCTYPE(
3335 ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE, ctypes.wintypes.LPWSTR,
3336 ctypes.wintypes.DWORD, ctypes.POINTER(ctypes.wintypes.DWORD),
3337 ctypes.wintypes.LPVOID)(('WriteConsoleW', ctypes.windll.kernel32))
3338 written = ctypes.wintypes.DWORD(0)
3339
3340 GetFileType = compat_ctypes_WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)(('GetFileType', ctypes.windll.kernel32))
3341 FILE_TYPE_CHAR = 0x0002
3342 FILE_TYPE_REMOTE = 0x8000
3343 GetConsoleMode = compat_ctypes_WINFUNCTYPE(
3344 ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE,
3345 ctypes.POINTER(ctypes.wintypes.DWORD))(
3346 ('GetConsoleMode', ctypes.windll.kernel32))
3347 INVALID_HANDLE_VALUE = ctypes.wintypes.DWORD(-1).value
3348
3349 def not_a_console(handle):
3350 if handle == INVALID_HANDLE_VALUE or handle is None:
3351 return True
3352 return ((GetFileType(handle) & ~FILE_TYPE_REMOTE) != FILE_TYPE_CHAR
3353 or GetConsoleMode(handle, ctypes.byref(ctypes.wintypes.DWORD())) == 0)
3354
3355 if not_a_console(h):
3356 return False
3357
3358 def next_nonbmp_pos(s):
3359 try:
3360 return next(i for i, c in enumerate(s) if ord(c) > 0xffff)
3361 except StopIteration:
3362 return len(s)
3363
3364 while s:
3365 count = min(next_nonbmp_pos(s), 1024)
3366
3367 ret = WriteConsoleW(
3368 h, s, count if count else 2, ctypes.byref(written), None)
3369 if ret == 0:
3370 raise OSError('Failed to write string')
3371 if not count: # We just wrote a non-BMP character
3372 assert written.value == 2
3373 s = s[1:]
3374 else:
3375 assert written.value > 0
3376 s = s[written.value:]
3377 return True
3378
3379
3380 def write_string(s, out=None, encoding=None):
3381 if out is None:
3382 out = sys.stderr
3383 assert type(s) == compat_str
3384
3385 if sys.platform == 'win32' and encoding is None and hasattr(out, 'fileno'):
3386 if _windows_write_string(s, out):
3387 return
3388
3389 if ('b' in getattr(out, 'mode', '')
3390 or sys.version_info[0] < 3): # Python 2 lies about mode of sys.stderr
3391 byt = s.encode(encoding or preferredencoding(), 'ignore')
3392 out.write(byt)
3393 elif hasattr(out, 'buffer'):
3394 enc = encoding or getattr(out, 'encoding', None) or preferredencoding()
3395 byt = s.encode(enc, 'ignore')
3396 out.buffer.write(byt)
3397 else:
3398 out.write(s)
3399 out.flush()
3400
3401
3402 def bytes_to_intlist(bs):
3403 if not bs:
3404 return []
3405 if isinstance(bs[0], int): # Python 3
3406 return list(bs)
3407 else:
3408 return [ord(c) for c in bs]
3409
3410
3411 def intlist_to_bytes(xs):
3412 if not xs:
3413 return b''
3414 return compat_struct_pack('%dB' % len(xs), *xs)
3415
3416
3417 # Cross-platform file locking
3418 if sys.platform == 'win32':
3419 import ctypes.wintypes
3420 import msvcrt
3421
3422 class OVERLAPPED(ctypes.Structure):
3423 _fields_ = [
3424 ('Internal', ctypes.wintypes.LPVOID),
3425 ('InternalHigh', ctypes.wintypes.LPVOID),
3426 ('Offset', ctypes.wintypes.DWORD),
3427 ('OffsetHigh', ctypes.wintypes.DWORD),
3428 ('hEvent', ctypes.wintypes.HANDLE),
3429 ]
3430
3431 kernel32 = ctypes.windll.kernel32
3432 LockFileEx = kernel32.LockFileEx
3433 LockFileEx.argtypes = [
3434 ctypes.wintypes.HANDLE, # hFile
3435 ctypes.wintypes.DWORD, # dwFlags
3436 ctypes.wintypes.DWORD, # dwReserved
3437 ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
3438 ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
3439 ctypes.POINTER(OVERLAPPED) # Overlapped
3440 ]
3441 LockFileEx.restype = ctypes.wintypes.BOOL
3442 UnlockFileEx = kernel32.UnlockFileEx
3443 UnlockFileEx.argtypes = [
3444 ctypes.wintypes.HANDLE, # hFile
3445 ctypes.wintypes.DWORD, # dwReserved
3446 ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
3447 ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
3448 ctypes.POINTER(OVERLAPPED) # Overlapped
3449 ]
3450 UnlockFileEx.restype = ctypes.wintypes.BOOL
3451 whole_low = 0xffffffff
3452 whole_high = 0x7fffffff
3453
3454 def _lock_file(f, exclusive):
3455 overlapped = OVERLAPPED()
3456 overlapped.Offset = 0
3457 overlapped.OffsetHigh = 0
3458 overlapped.hEvent = 0
3459 f._lock_file_overlapped_p = ctypes.pointer(overlapped)
3460 handle = msvcrt.get_osfhandle(f.fileno())
3461 if not LockFileEx(handle, 0x2 if exclusive else 0x0, 0,
3462 whole_low, whole_high, f._lock_file_overlapped_p):
3463 raise OSError('Locking file failed: %r' % ctypes.FormatError())
3464
3465 def _unlock_file(f):
3466 assert f._lock_file_overlapped_p
3467 handle = msvcrt.get_osfhandle(f.fileno())
3468 if not UnlockFileEx(handle, 0,
3469 whole_low, whole_high, f._lock_file_overlapped_p):
3470 raise OSError('Unlocking file failed: %r' % ctypes.FormatError())
3471
3472 else:
3473 # Some platforms, such as Jython, is missing fcntl
3474 try:
3475 import fcntl
3476
3477 def _lock_file(f, exclusive):
3478 fcntl.flock(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
3479
3480 def _unlock_file(f):
3481 fcntl.flock(f, fcntl.LOCK_UN)
3482 except ImportError:
3483 UNSUPPORTED_MSG = 'file locking is not supported on this platform'
3484
3485 def _lock_file(f, exclusive):
3486 raise IOError(UNSUPPORTED_MSG)
3487
3488 def _unlock_file(f):
3489 raise IOError(UNSUPPORTED_MSG)
3490
3491
3492 class locked_file(object):
3493 def __init__(self, filename, mode, encoding=None):
3494 assert mode in ['r', 'a', 'w']
3495 self.f = io.open(filename, mode, encoding=encoding)
3496 self.mode = mode
3497
3498 def __enter__(self):
3499 exclusive = self.mode != 'r'
3500 try:
3501 _lock_file(self.f, exclusive)
3502 except IOError:
3503 self.f.close()
3504 raise
3505 return self
3506
3507 def __exit__(self, etype, value, traceback):
3508 try:
3509 _unlock_file(self.f)
3510 finally:
3511 self.f.close()
3512
3513 def __iter__(self):
3514 return iter(self.f)
3515
3516 def write(self, *args):
3517 return self.f.write(*args)
3518
3519 def read(self, *args):
3520 return self.f.read(*args)
3521
3522
3523 def get_filesystem_encoding():
3524 encoding = sys.getfilesystemencoding()
3525 return encoding if encoding is not None else 'utf-8'
3526
3527
3528 def shell_quote(args):
3529 quoted_args = []
3530 encoding = get_filesystem_encoding()
3531 for a in args:
3532 if isinstance(a, bytes):
3533 # We may get a filename encoded with 'encodeFilename'
3534 a = a.decode(encoding)
3535 quoted_args.append(compat_shlex_quote(a))
3536 return ' '.join(quoted_args)
3537
3538
3539 def smuggle_url(url, data):
3540 """ Pass additional data in a URL for internal use. """
3541
3542 url, idata = unsmuggle_url(url, {})
3543 data.update(idata)
3544 sdata = compat_urllib_parse_urlencode(
3545 {'__youtubedl_smuggle': json.dumps(data)})
3546 return url + '#' + sdata
3547
3548
3549 def unsmuggle_url(smug_url, default=None):
3550 if '#__youtubedl_smuggle' not in smug_url:
3551 return smug_url, default
3552 url, _, sdata = smug_url.rpartition('#')
3553 jsond = compat_parse_qs(sdata)['__youtubedl_smuggle'][0]
3554 data = json.loads(jsond)
3555 return url, data
3556
3557
3558 def format_bytes(bytes):
3559 if bytes is None:
3560 return 'N/A'
3561 if type(bytes) is str:
3562 bytes = float(bytes)
3563 if bytes == 0.0:
3564 exponent = 0
3565 else:
3566 exponent = int(math.log(bytes, 1024.0))
3567 suffix = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'][exponent]
3568 converted = float(bytes) / float(1024 ** exponent)
3569 return '%.2f%s' % (converted, suffix)
3570
3571
3572 def lookup_unit_table(unit_table, s):
3573 units_re = '|'.join(re.escape(u) for u in unit_table)
3574 m = re.match(
3575 r'(?P<num>[0-9]+(?:[,.][0-9]*)?)\s*(?P<unit>%s)\b' % units_re, s)
3576 if not m:
3577 return None
3578 num_str = m.group('num').replace(',', '.')
3579 mult = unit_table[m.group('unit')]
3580 return int(float(num_str) * mult)
3581
3582
3583 def parse_filesize(s):
3584 if s is None:
3585 return None
3586
3587 # The lower-case forms are of course incorrect and unofficial,
3588 # but we support those too
3589 _UNIT_TABLE = {
3590 'B': 1,
3591 'b': 1,
3592 'bytes': 1,
3593 'KiB': 1024,
3594 'KB': 1000,
3595 'kB': 1024,
3596 'Kb': 1000,
3597 'kb': 1000,
3598 'kilobytes': 1000,
3599 'kibibytes': 1024,
3600 'MiB': 1024 ** 2,
3601 'MB': 1000 ** 2,
3602 'mB': 1024 ** 2,
3603 'Mb': 1000 ** 2,
3604 'mb': 1000 ** 2,
3605 'megabytes': 1000 ** 2,
3606 'mebibytes': 1024 ** 2,
3607 'GiB': 1024 ** 3,
3608 'GB': 1000 ** 3,
3609 'gB': 1024 ** 3,
3610 'Gb': 1000 ** 3,
3611 'gb': 1000 ** 3,
3612 'gigabytes': 1000 ** 3,
3613 'gibibytes': 1024 ** 3,
3614 'TiB': 1024 ** 4,
3615 'TB': 1000 ** 4,
3616 'tB': 1024 ** 4,
3617 'Tb': 1000 ** 4,
3618 'tb': 1000 ** 4,
3619 'terabytes': 1000 ** 4,
3620 'tebibytes': 1024 ** 4,
3621 'PiB': 1024 ** 5,
3622 'PB': 1000 ** 5,
3623 'pB': 1024 ** 5,
3624 'Pb': 1000 ** 5,
3625 'pb': 1000 ** 5,
3626 'petabytes': 1000 ** 5,
3627 'pebibytes': 1024 ** 5,
3628 'EiB': 1024 ** 6,
3629 'EB': 1000 ** 6,
3630 'eB': 1024 ** 6,
3631 'Eb': 1000 ** 6,
3632 'eb': 1000 ** 6,
3633 'exabytes': 1000 ** 6,
3634 'exbibytes': 1024 ** 6,
3635 'ZiB': 1024 ** 7,
3636 'ZB': 1000 ** 7,
3637 'zB': 1024 ** 7,
3638 'Zb': 1000 ** 7,
3639 'zb': 1000 ** 7,
3640 'zettabytes': 1000 ** 7,
3641 'zebibytes': 1024 ** 7,
3642 'YiB': 1024 ** 8,
3643 'YB': 1000 ** 8,
3644 'yB': 1024 ** 8,
3645 'Yb': 1000 ** 8,
3646 'yb': 1000 ** 8,
3647 'yottabytes': 1000 ** 8,
3648 'yobibytes': 1024 ** 8,
3649 }
3650
3651 return lookup_unit_table(_UNIT_TABLE, s)
3652
3653
3654 def parse_count(s):
3655 if s is None:
3656 return None
3657
3658 s = s.strip()
3659
3660 if re.match(r'^[\d,.]+$', s):
3661 return str_to_int(s)
3662
3663 _UNIT_TABLE = {
3664 'k': 1000,
3665 'K': 1000,
3666 'm': 1000 ** 2,
3667 'M': 1000 ** 2,
3668 'kk': 1000 ** 2,
3669 'KK': 1000 ** 2,
3670 }
3671
3672 return lookup_unit_table(_UNIT_TABLE, s)
3673
3674
3675 def parse_resolution(s):
3676 if s is None:
3677 return {}
3678
3679 mobj = re.search(r'\b(?P<w>\d+)\s*[xX×]\s*(?P<h>\d+)\b', s)
3680 if mobj:
3681 return {
3682 'width': int(mobj.group('w')),
3683 'height': int(mobj.group('h')),
3684 }
3685
3686 mobj = re.search(r'\b(\d+)[pPiI]\b', s)
3687 if mobj:
3688 return {'height': int(mobj.group(1))}
3689
3690 mobj = re.search(r'\b([48])[kK]\b', s)
3691 if mobj:
3692 return {'height': int(mobj.group(1)) * 540}
3693
3694 return {}
3695
3696
3697 def parse_bitrate(s):
3698 if not isinstance(s, compat_str):
3699 return
3700 mobj = re.search(r'\b(\d+)\s*kbps', s)
3701 if mobj:
3702 return int(mobj.group(1))
3703
3704
3705 def month_by_name(name, lang='en'):
3706 """ Return the number of a month by (locale-independently) English name """
3707
3708 month_names = MONTH_NAMES.get(lang, MONTH_NAMES['en'])
3709
3710 try:
3711 return month_names.index(name) + 1
3712 except ValueError:
3713 return None
3714
3715
3716 def month_by_abbreviation(abbrev):
3717 """ Return the number of a month by (locale-independently) English
3718 abbreviations """
3719
3720 try:
3721 return [s[:3] for s in ENGLISH_MONTH_NAMES].index(abbrev) + 1
3722 except ValueError:
3723 return None
3724
3725
3726 def fix_xml_ampersands(xml_str):
3727 """Replace all the '&' by '&amp;' in XML"""
3728 return re.sub(
3729 r'&(?!amp;|lt;|gt;|apos;|quot;|#x[0-9a-fA-F]{,4};|#[0-9]{,4};)',
3730 '&amp;',
3731 xml_str)
3732
3733
3734 def setproctitle(title):
3735 assert isinstance(title, compat_str)
3736
3737 # ctypes in Jython is not complete
3738 # http://bugs.jython.org/issue2148
3739 if sys.platform.startswith('java'):
3740 return
3741
3742 try:
3743 libc = ctypes.cdll.LoadLibrary('libc.so.6')
3744 except OSError:
3745 return
3746 except TypeError:
3747 # LoadLibrary in Windows Python 2.7.13 only expects
3748 # a bytestring, but since unicode_literals turns
3749 # every string into a unicode string, it fails.
3750 return
3751 title_bytes = title.encode('utf-8')
3752 buf = ctypes.create_string_buffer(len(title_bytes))
3753 buf.value = title_bytes
3754 try:
3755 libc.prctl(15, buf, 0, 0, 0)
3756 except AttributeError:
3757 return # Strange libc, just skip this
3758
3759
3760 def remove_start(s, start):
3761 return s[len(start):] if s is not None and s.startswith(start) else s
3762
3763
3764 def remove_end(s, end):
3765 return s[:-len(end)] if s is not None and s.endswith(end) else s
3766
3767
3768 def remove_quotes(s):
3769 if s is None or len(s) < 2:
3770 return s
3771 for quote in ('"', "'", ):
3772 if s[0] == quote and s[-1] == quote:
3773 return s[1:-1]
3774 return s
3775
3776
3777 def get_domain(url):
3778 domain = re.match(r'(?:https?:\/\/)?(?:www\.)?(?P<domain>[^\n\/]+\.[^\n\/]+)(?:\/(.*))?', url)
3779 return domain.group('domain') if domain else None
3780
3781
3782 def url_basename(url):
3783 path = compat_urlparse.urlparse(url).path
3784 return path.strip('/').split('/')[-1]
3785
3786
3787 def base_url(url):
3788 return re.match(r'https?://[^?#&]+/', url).group()
3789
3790
3791 def urljoin(base, path):
3792 if isinstance(path, bytes):
3793 path = path.decode('utf-8')
3794 if not isinstance(path, compat_str) or not path:
3795 return None
3796 if re.match(r'^(?:[a-zA-Z][a-zA-Z0-9+-.]*:)?//', path):
3797 return path
3798 if isinstance(base, bytes):
3799 base = base.decode('utf-8')
3800 if not isinstance(base, compat_str) or not re.match(
3801 r'^(?:https?:)?//', base):
3802 return None
3803 return compat_urlparse.urljoin(base, path)
3804
3805
3806 class HEADRequest(compat_urllib_request.Request):
3807 def get_method(self):
3808 return 'HEAD'
3809
3810
3811 class PUTRequest(compat_urllib_request.Request):
3812 def get_method(self):
3813 return 'PUT'
3814
3815
3816 def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1):
3817 if get_attr:
3818 if v is not None:
3819 v = getattr(v, get_attr, None)
3820 if v == '':
3821 v = None
3822 if v is None:
3823 return default
3824 try:
3825 return int(v) * invscale // scale
3826 except (ValueError, TypeError):
3827 return default
3828
3829
3830 def str_or_none(v, default=None):
3831 return default if v is None else compat_str(v)
3832
3833
3834 def str_to_int(int_str):
3835 """ A more relaxed version of int_or_none """
3836 if isinstance(int_str, compat_integer_types):
3837 return int_str
3838 elif isinstance(int_str, compat_str):
3839 int_str = re.sub(r'[,\.\+]', '', int_str)
3840 return int_or_none(int_str)
3841
3842
3843 def float_or_none(v, scale=1, invscale=1, default=None):
3844 if v is None:
3845 return default
3846 try:
3847 return float(v) * invscale / scale
3848 except (ValueError, TypeError):
3849 return default
3850
3851
3852 def bool_or_none(v, default=None):
3853 return v if isinstance(v, bool) else default
3854
3855
3856 def strip_or_none(v, default=None):
3857 return v.strip() if isinstance(v, compat_str) else default
3858
3859
3860 def url_or_none(url):
3861 if not url or not isinstance(url, compat_str):
3862 return None
3863 url = url.strip()
3864 return url if re.match(r'^(?:(?:https?|rt(?:m(?:pt?[es]?|fp)|sp[su]?)|mms|ftps?):)?//', url) else None
3865
3866
3867 def strftime_or_none(timestamp, date_format, default=None):
3868 datetime_object = None
3869 try:
3870 if isinstance(timestamp, compat_numeric_types): # unix timestamp
3871 datetime_object = datetime.datetime.utcfromtimestamp(timestamp)
3872 elif isinstance(timestamp, compat_str): # assume YYYYMMDD
3873 datetime_object = datetime.datetime.strptime(timestamp, '%Y%m%d')
3874 return datetime_object.strftime(date_format)
3875 except (ValueError, TypeError, AttributeError):
3876 return default
3877
3878
3879 def parse_duration(s):
3880 if not isinstance(s, compat_basestring):
3881 return None
3882
3883 s = s.strip()
3884
3885 days, hours, mins, secs, ms = [None] * 5
3886 m = re.match(r'(?:(?:(?:(?P<days>[0-9]+):)?(?P<hours>[0-9]+):)?(?P<mins>[0-9]+):)?(?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?Z?$', s)
3887 if m:
3888 days, hours, mins, secs, ms = m.groups()
3889 else:
3890 m = re.match(
3891 r'''(?ix)(?:P?
3892 (?:
3893 [0-9]+\s*y(?:ears?)?\s*
3894 )?
3895 (?:
3896 [0-9]+\s*m(?:onths?)?\s*
3897 )?
3898 (?:
3899 [0-9]+\s*w(?:eeks?)?\s*
3900 )?
3901 (?:
3902 (?P<days>[0-9]+)\s*d(?:ays?)?\s*
3903 )?
3904 T)?
3905 (?:
3906 (?P<hours>[0-9]+)\s*h(?:ours?)?\s*
3907 )?
3908 (?:
3909 (?P<mins>[0-9]+)\s*m(?:in(?:ute)?s?)?\s*
3910 )?
3911 (?:
3912 (?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*s(?:ec(?:ond)?s?)?\s*
3913 )?Z?$''', s)
3914 if m:
3915 days, hours, mins, secs, ms = m.groups()
3916 else:
3917 m = re.match(r'(?i)(?:(?P<hours>[0-9.]+)\s*(?:hours?)|(?P<mins>[0-9.]+)\s*(?:mins?\.?|minutes?)\s*)Z?$', s)
3918 if m:
3919 hours, mins = m.groups()
3920 else:
3921 return None
3922
3923 duration = 0
3924 if secs:
3925 duration += float(secs)
3926 if mins:
3927 duration += float(mins) * 60
3928 if hours:
3929 duration += float(hours) * 60 * 60
3930 if days:
3931 duration += float(days) * 24 * 60 * 60
3932 if ms:
3933 duration += float(ms)
3934 return duration
3935
3936
3937 def prepend_extension(filename, ext, expected_real_ext=None):
3938 name, real_ext = os.path.splitext(filename)
3939 return (
3940 '{0}.{1}{2}'.format(name, ext, real_ext)
3941 if not expected_real_ext or real_ext[1:] == expected_real_ext
3942 else '{0}.{1}'.format(filename, ext))
3943
3944
3945 def replace_extension(filename, ext, expected_real_ext=None):
3946 name, real_ext = os.path.splitext(filename)
3947 return '{0}.{1}'.format(
3948 name if not expected_real_ext or real_ext[1:] == expected_real_ext else filename,
3949 ext)
3950
3951
3952 def check_executable(exe, args=[]):
3953 """ Checks if the given binary is installed somewhere in PATH, and returns its name.
3954 args can be a list of arguments for a short output (like -version) """
3955 try:
3956 process_communicate_or_kill(subprocess.Popen(
3957 [exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE))
3958 except OSError:
3959 return False
3960 return exe
3961
3962
3963 def get_exe_version(exe, args=['--version'],
3964 version_re=None, unrecognized='present'):
3965 """ Returns the version of the specified executable,
3966 or False if the executable is not present """
3967 try:
3968 # STDIN should be redirected too. On UNIX-like systems, ffmpeg triggers
3969 # SIGTTOU if yt-dlp is run in the background.
3970 # See https://github.com/ytdl-org/youtube-dl/issues/955#issuecomment-209789656
3971 out, _ = process_communicate_or_kill(subprocess.Popen(
3972 [encodeArgument(exe)] + args,
3973 stdin=subprocess.PIPE,
3974 stdout=subprocess.PIPE, stderr=subprocess.STDOUT))
3975 except OSError:
3976 return False
3977 if isinstance(out, bytes): # Python 2.x
3978 out = out.decode('ascii', 'ignore')
3979 return detect_exe_version(out, version_re, unrecognized)
3980
3981
3982 def detect_exe_version(output, version_re=None, unrecognized='present'):
3983 assert isinstance(output, compat_str)
3984 if version_re is None:
3985 version_re = r'version\s+([-0-9._a-zA-Z]+)'
3986 m = re.search(version_re, output)
3987 if m:
3988 return m.group(1)
3989 else:
3990 return unrecognized
3991
3992
3993 class LazyList(collections.abc.Sequence):
3994 ''' Lazy immutable list from an iterable
3995 Note that slices of a LazyList are lists and not LazyList'''
3996
3997 class IndexError(IndexError):
3998 pass
3999
4000 def __init__(self, iterable):
4001 self.__iterable = iter(iterable)
4002 self.__cache = []
4003 self.__reversed = False
4004
4005 def __iter__(self):
4006 if self.__reversed:
4007 # We need to consume the entire iterable to iterate in reverse
4008 yield from self.exhaust()
4009 return
4010 yield from self.__cache
4011 for item in self.__iterable:
4012 self.__cache.append(item)
4013 yield item
4014
4015 def __exhaust(self):
4016 self.__cache.extend(self.__iterable)
4017 return self.__cache
4018
4019 def exhaust(self):
4020 ''' Evaluate the entire iterable '''
4021 return self.__exhaust()[::-1 if self.__reversed else 1]
4022
4023 @staticmethod
4024 def __reverse_index(x):
4025 return None if x is None else -(x + 1)
4026
4027 def __getitem__(self, idx):
4028 if isinstance(idx, slice):
4029 if self.__reversed:
4030 idx = slice(self.__reverse_index(idx.start), self.__reverse_index(idx.stop), -(idx.step or 1))
4031 start, stop, step = idx.start, idx.stop, idx.step or 1
4032 elif isinstance(idx, int):
4033 if self.__reversed:
4034 idx = self.__reverse_index(idx)
4035 start, stop, step = idx, idx, 0
4036 else:
4037 raise TypeError('indices must be integers or slices')
4038 if ((start or 0) < 0 or (stop or 0) < 0
4039 or (start is None and step < 0)
4040 or (stop is None and step > 0)):
4041 # We need to consume the entire iterable to be able to slice from the end
4042 # Obviously, never use this with infinite iterables
4043 self.__exhaust()
4044 try:
4045 return self.__cache[idx]
4046 except IndexError as e:
4047 raise self.IndexError(e) from e
4048 n = max(start or 0, stop or 0) - len(self.__cache) + 1
4049 if n > 0:
4050 self.__cache.extend(itertools.islice(self.__iterable, n))
4051 try:
4052 return self.__cache[idx]
4053 except IndexError as e:
4054 raise self.IndexError(e) from e
4055
4056 def __bool__(self):
4057 try:
4058 self[-1] if self.__reversed else self[0]
4059 except self.IndexError:
4060 return False
4061 return True
4062
4063 def __len__(self):
4064 self.__exhaust()
4065 return len(self.__cache)
4066
4067 def reverse(self):
4068 self.__reversed = not self.__reversed
4069 return self
4070
4071 def __repr__(self):
4072 # repr and str should mimic a list. So we exhaust the iterable
4073 return repr(self.exhaust())
4074
4075 def __str__(self):
4076 return repr(self.exhaust())
4077
4078
4079 class PagedList:
4080 def __len__(self):
4081 # This is only useful for tests
4082 return len(self.getslice())
4083
4084 def __init__(self, pagefunc, pagesize, use_cache=True):
4085 self._pagefunc = pagefunc
4086 self._pagesize = pagesize
4087 self._use_cache = use_cache
4088 self._cache = {}
4089
4090 def getpage(self, pagenum):
4091 page_results = self._cache.get(pagenum) or list(self._pagefunc(pagenum))
4092 if self._use_cache:
4093 self._cache[pagenum] = page_results
4094 return page_results
4095
4096 def getslice(self, start=0, end=None):
4097 return list(self._getslice(start, end))
4098
4099 def _getslice(self, start, end):
4100 raise NotImplementedError('This method must be implemented by subclasses')
4101
4102 def __getitem__(self, idx):
4103 # NOTE: cache must be enabled if this is used
4104 if not isinstance(idx, int) or idx < 0:
4105 raise TypeError('indices must be non-negative integers')
4106 entries = self.getslice(idx, idx + 1)
4107 return entries[0] if entries else None
4108
4109
4110 class OnDemandPagedList(PagedList):
4111 def _getslice(self, start, end):
4112 for pagenum in itertools.count(start // self._pagesize):
4113 firstid = pagenum * self._pagesize
4114 nextfirstid = pagenum * self._pagesize + self._pagesize
4115 if start >= nextfirstid:
4116 continue
4117
4118 startv = (
4119 start % self._pagesize
4120 if firstid <= start < nextfirstid
4121 else 0)
4122 endv = (
4123 ((end - 1) % self._pagesize) + 1
4124 if (end is not None and firstid <= end <= nextfirstid)
4125 else None)
4126
4127 page_results = self.getpage(pagenum)
4128 if startv != 0 or endv is not None:
4129 page_results = page_results[startv:endv]
4130 yield from page_results
4131
4132 # A little optimization - if current page is not "full", ie. does
4133 # not contain page_size videos then we can assume that this page
4134 # is the last one - there are no more ids on further pages -
4135 # i.e. no need to query again.
4136 if len(page_results) + startv < self._pagesize:
4137 break
4138
4139 # If we got the whole page, but the next page is not interesting,
4140 # break out early as well
4141 if end == nextfirstid:
4142 break
4143
4144
4145 class InAdvancePagedList(PagedList):
4146 def __init__(self, pagefunc, pagecount, pagesize):
4147 self._pagecount = pagecount
4148 PagedList.__init__(self, pagefunc, pagesize, True)
4149
4150 def _getslice(self, start, end):
4151 start_page = start // self._pagesize
4152 end_page = (
4153 self._pagecount if end is None else (end // self._pagesize + 1))
4154 skip_elems = start - start_page * self._pagesize
4155 only_more = None if end is None else end - start
4156 for pagenum in range(start_page, end_page):
4157 page_results = self.getpage(pagenum)
4158 if skip_elems:
4159 page_results = page_results[skip_elems:]
4160 skip_elems = None
4161 if only_more is not None:
4162 if len(page_results) < only_more:
4163 only_more -= len(page_results)
4164 else:
4165 yield from page_results[:only_more]
4166 break
4167 yield from page_results
4168
4169
4170 def uppercase_escape(s):
4171 unicode_escape = codecs.getdecoder('unicode_escape')
4172 return re.sub(
4173 r'\\U[0-9a-fA-F]{8}',
4174 lambda m: unicode_escape(m.group(0))[0],
4175 s)
4176
4177
4178 def lowercase_escape(s):
4179 unicode_escape = codecs.getdecoder('unicode_escape')
4180 return re.sub(
4181 r'\\u[0-9a-fA-F]{4}',
4182 lambda m: unicode_escape(m.group(0))[0],
4183 s)
4184
4185
4186 def escape_rfc3986(s):
4187 """Escape non-ASCII characters as suggested by RFC 3986"""
4188 if sys.version_info < (3, 0) and isinstance(s, compat_str):
4189 s = s.encode('utf-8')
4190 return compat_urllib_parse.quote(s, b"%/;:@&=+$,!~*'()?#[]")
4191
4192
4193 def escape_url(url):
4194 """Escape URL as suggested by RFC 3986"""
4195 url_parsed = compat_urllib_parse_urlparse(url)
4196 return url_parsed._replace(
4197 netloc=url_parsed.netloc.encode('idna').decode('ascii'),
4198 path=escape_rfc3986(url_parsed.path),
4199 params=escape_rfc3986(url_parsed.params),
4200 query=escape_rfc3986(url_parsed.query),
4201 fragment=escape_rfc3986(url_parsed.fragment)
4202 ).geturl()
4203
4204
4205 def parse_qs(url):
4206 return compat_parse_qs(compat_urllib_parse_urlparse(url).query)
4207
4208
4209 def read_batch_urls(batch_fd):
4210 def fixup(url):
4211 if not isinstance(url, compat_str):
4212 url = url.decode('utf-8', 'replace')
4213 BOM_UTF8 = ('\xef\xbb\xbf', '\ufeff')
4214 for bom in BOM_UTF8:
4215 if url.startswith(bom):
4216 url = url[len(bom):]
4217 url = url.lstrip()
4218 if not url or url.startswith(('#', ';', ']')):
4219 return False
4220 # "#" cannot be stripped out since it is part of the URI
4221 # However, it can be safely stipped out if follwing a whitespace
4222 return re.split(r'\s#', url, 1)[0].rstrip()
4223
4224 with contextlib.closing(batch_fd) as fd:
4225 return [url for url in map(fixup, fd) if url]
4226
4227
4228 def urlencode_postdata(*args, **kargs):
4229 return compat_urllib_parse_urlencode(*args, **kargs).encode('ascii')
4230
4231
4232 def update_url_query(url, query):
4233 if not query:
4234 return url
4235 parsed_url = compat_urlparse.urlparse(url)
4236 qs = compat_parse_qs(parsed_url.query)
4237 qs.update(query)
4238 return compat_urlparse.urlunparse(parsed_url._replace(
4239 query=compat_urllib_parse_urlencode(qs, True)))
4240
4241
4242 def update_Request(req, url=None, data=None, headers={}, query={}):
4243 req_headers = req.headers.copy()
4244 req_headers.update(headers)
4245 req_data = data or req.data
4246 req_url = update_url_query(url or req.get_full_url(), query)
4247 req_get_method = req.get_method()
4248 if req_get_method == 'HEAD':
4249 req_type = HEADRequest
4250 elif req_get_method == 'PUT':
4251 req_type = PUTRequest
4252 else:
4253 req_type = compat_urllib_request.Request
4254 new_req = req_type(
4255 req_url, data=req_data, headers=req_headers,
4256 origin_req_host=req.origin_req_host, unverifiable=req.unverifiable)
4257 if hasattr(req, 'timeout'):
4258 new_req.timeout = req.timeout
4259 return new_req
4260
4261
4262 def _multipart_encode_impl(data, boundary):
4263 content_type = 'multipart/form-data; boundary=%s' % boundary
4264
4265 out = b''
4266 for k, v in data.items():
4267 out += b'--' + boundary.encode('ascii') + b'\r\n'
4268 if isinstance(k, compat_str):
4269 k = k.encode('utf-8')
4270 if isinstance(v, compat_str):
4271 v = v.encode('utf-8')
4272 # RFC 2047 requires non-ASCII field names to be encoded, while RFC 7578
4273 # suggests sending UTF-8 directly. Firefox sends UTF-8, too
4274 content = b'Content-Disposition: form-data; name="' + k + b'"\r\n\r\n' + v + b'\r\n'
4275 if boundary.encode('ascii') in content:
4276 raise ValueError('Boundary overlaps with data')
4277 out += content
4278
4279 out += b'--' + boundary.encode('ascii') + b'--\r\n'
4280
4281 return out, content_type
4282
4283
4284 def multipart_encode(data, boundary=None):
4285 '''
4286 Encode a dict to RFC 7578-compliant form-data
4287
4288 data:
4289 A dict where keys and values can be either Unicode or bytes-like
4290 objects.
4291 boundary:
4292 If specified a Unicode object, it's used as the boundary. Otherwise
4293 a random boundary is generated.
4294
4295 Reference: https://tools.ietf.org/html/rfc7578
4296 '''
4297 has_specified_boundary = boundary is not None
4298
4299 while True:
4300 if boundary is None:
4301 boundary = '---------------' + str(random.randrange(0x0fffffff, 0xffffffff))
4302
4303 try:
4304 out, content_type = _multipart_encode_impl(data, boundary)
4305 break
4306 except ValueError:
4307 if has_specified_boundary:
4308 raise
4309 boundary = None
4310
4311 return out, content_type
4312
4313
4314 def dict_get(d, key_or_keys, default=None, skip_false_values=True):
4315 if isinstance(key_or_keys, (list, tuple)):
4316 for key in key_or_keys:
4317 if key not in d or d[key] is None or skip_false_values and not d[key]:
4318 continue
4319 return d[key]
4320 return default
4321 return d.get(key_or_keys, default)
4322
4323
4324 def try_get(src, getter, expected_type=None):
4325 for get in variadic(getter):
4326 try:
4327 v = get(src)
4328 except (AttributeError, KeyError, TypeError, IndexError):
4329 pass
4330 else:
4331 if expected_type is None or isinstance(v, expected_type):
4332 return v
4333
4334
4335 def merge_dicts(*dicts):
4336 merged = {}
4337 for a_dict in dicts:
4338 for k, v in a_dict.items():
4339 if v is None:
4340 continue
4341 if (k not in merged
4342 or (isinstance(v, compat_str) and v
4343 and isinstance(merged[k], compat_str)
4344 and not merged[k])):
4345 merged[k] = v
4346 return merged
4347
4348
4349 def encode_compat_str(string, encoding=preferredencoding(), errors='strict'):
4350 return string if isinstance(string, compat_str) else compat_str(string, encoding, errors)
4351
4352
4353 US_RATINGS = {
4354 'G': 0,
4355 'PG': 10,
4356 'PG-13': 13,
4357 'R': 16,
4358 'NC': 18,
4359 }
4360
4361
4362 TV_PARENTAL_GUIDELINES = {
4363 'TV-Y': 0,
4364 'TV-Y7': 7,
4365 'TV-G': 0,
4366 'TV-PG': 0,
4367 'TV-14': 14,
4368 'TV-MA': 17,
4369 }
4370
4371
4372 def parse_age_limit(s):
4373 if type(s) == int:
4374 return s if 0 <= s <= 21 else None
4375 if not isinstance(s, compat_basestring):
4376 return None
4377 m = re.match(r'^(?P<age>\d{1,2})\+?$', s)
4378 if m:
4379 return int(m.group('age'))
4380 s = s.upper()
4381 if s in US_RATINGS:
4382 return US_RATINGS[s]
4383 m = re.match(r'^TV[_-]?(%s)$' % '|'.join(k[3:] for k in TV_PARENTAL_GUIDELINES), s)
4384 if m:
4385 return TV_PARENTAL_GUIDELINES['TV-' + m.group(1)]
4386 return None
4387
4388
4389 def strip_jsonp(code):
4390 return re.sub(
4391 r'''(?sx)^
4392 (?:window\.)?(?P<func_name>[a-zA-Z0-9_.$]*)
4393 (?:\s*&&\s*(?P=func_name))?
4394 \s*\(\s*(?P<callback_data>.*)\);?
4395 \s*?(?://[^\n]*)*$''',
4396 r'\g<callback_data>', code)
4397
4398
4399 def js_to_json(code, vars={}):
4400 # vars is a dict of var, val pairs to substitute
4401 COMMENT_RE = r'/\*(?:(?!\*/).)*?\*/|//[^\n]*\n'
4402 SKIP_RE = r'\s*(?:{comment})?\s*'.format(comment=COMMENT_RE)
4403 INTEGER_TABLE = (
4404 (r'(?s)^(0[xX][0-9a-fA-F]+){skip}:?$'.format(skip=SKIP_RE), 16),
4405 (r'(?s)^(0+[0-7]+){skip}:?$'.format(skip=SKIP_RE), 8),
4406 )
4407
4408 def fix_kv(m):
4409 v = m.group(0)
4410 if v in ('true', 'false', 'null'):
4411 return v
4412 elif v in ('undefined', 'void 0'):
4413 return 'null'
4414 elif v.startswith('/*') or v.startswith('//') or v.startswith('!') or v == ',':
4415 return ""
4416
4417 if v[0] in ("'", '"'):
4418 v = re.sub(r'(?s)\\.|"', lambda m: {
4419 '"': '\\"',
4420 "\\'": "'",
4421 '\\\n': '',
4422 '\\x': '\\u00',
4423 }.get(m.group(0), m.group(0)), v[1:-1])
4424 else:
4425 for regex, base in INTEGER_TABLE:
4426 im = re.match(regex, v)
4427 if im:
4428 i = int(im.group(1), base)
4429 return '"%d":' % i if v.endswith(':') else '%d' % i
4430
4431 if v in vars:
4432 return vars[v]
4433
4434 return '"%s"' % v
4435
4436 return re.sub(r'''(?sx)
4437 "(?:[^"\\]*(?:\\\\|\\['"nurtbfx/\n]))*[^"\\]*"|
4438 '(?:[^'\\]*(?:\\\\|\\['"nurtbfx/\n]))*[^'\\]*'|
4439 {comment}|,(?={skip}[\]}}])|
4440 void\s0|(?:(?<![0-9])[eE]|[a-df-zA-DF-Z_$])[.a-zA-Z_$0-9]*|
4441 \b(?:0[xX][0-9a-fA-F]+|0+[0-7]+)(?:{skip}:)?|
4442 [0-9]+(?={skip}:)|
4443 !+
4444 '''.format(comment=COMMENT_RE, skip=SKIP_RE), fix_kv, code)
4445
4446
4447 def qualities(quality_ids):
4448 """ Get a numeric quality value out of a list of possible values """
4449 def q(qid):
4450 try:
4451 return quality_ids.index(qid)
4452 except ValueError:
4453 return -1
4454 return q
4455
4456
4457 DEFAULT_OUTTMPL = {
4458 'default': '%(title)s [%(id)s].%(ext)s',
4459 'chapter': '%(title)s - %(section_number)03d %(section_title)s [%(id)s].%(ext)s',
4460 }
4461 OUTTMPL_TYPES = {
4462 'chapter': None,
4463 'subtitle': None,
4464 'thumbnail': None,
4465 'description': 'description',
4466 'annotation': 'annotations.xml',
4467 'infojson': 'info.json',
4468 'pl_thumbnail': None,
4469 'pl_description': 'description',
4470 'pl_infojson': 'info.json',
4471 }
4472
4473 # As of [1] format syntax is:
4474 # %[mapping_key][conversion_flags][minimum_width][.precision][length_modifier]type
4475 # 1. https://docs.python.org/2/library/stdtypes.html#string-formatting
4476 STR_FORMAT_RE_TMPL = r'''(?x)
4477 (?<!%)(?P<prefix>(?:%%)*)
4478 %
4479 (?P<has_key>\((?P<key>{0})\))?
4480 (?P<format>
4481 (?P<conversion>[#0\-+ ]+)?
4482 (?P<min_width>\d+)?
4483 (?P<precision>\.\d+)?
4484 (?P<len_mod>[hlL])? # unused in python
4485 {1} # conversion type
4486 )
4487 '''
4488
4489
4490 STR_FORMAT_TYPES = 'diouxXeEfFgGcrs'
4491
4492
4493 def limit_length(s, length):
4494 """ Add ellipses to overly long strings """
4495 if s is None:
4496 return None
4497 ELLIPSES = '...'
4498 if len(s) > length:
4499 return s[:length - len(ELLIPSES)] + ELLIPSES
4500 return s
4501
4502
4503 def version_tuple(v):
4504 return tuple(int(e) for e in re.split(r'[-.]', v))
4505
4506
4507 def is_outdated_version(version, limit, assume_new=True):
4508 if not version:
4509 return not assume_new
4510 try:
4511 return version_tuple(version) < version_tuple(limit)
4512 except ValueError:
4513 return not assume_new
4514
4515
4516 def ytdl_is_updateable():
4517 """ Returns if yt-dlp can be updated with -U """
4518 return False
4519
4520 from zipimport import zipimporter
4521
4522 return isinstance(globals().get('__loader__'), zipimporter) or hasattr(sys, 'frozen')
4523
4524
4525 def args_to_str(args):
4526 # Get a short string representation for a subprocess command
4527 return ' '.join(compat_shlex_quote(a) for a in args)
4528
4529
4530 def error_to_compat_str(err):
4531 err_str = str(err)
4532 # On python 2 error byte string must be decoded with proper
4533 # encoding rather than ascii
4534 if sys.version_info[0] < 3:
4535 err_str = err_str.decode(preferredencoding())
4536 return err_str
4537
4538
4539 def mimetype2ext(mt):
4540 if mt is None:
4541 return None
4542
4543 ext = {
4544 'audio/mp4': 'm4a',
4545 # Per RFC 3003, audio/mpeg can be .mp1, .mp2 or .mp3. Here use .mp3 as
4546 # it's the most popular one
4547 'audio/mpeg': 'mp3',
4548 'audio/x-wav': 'wav',
4549 }.get(mt)
4550 if ext is not None:
4551 return ext
4552
4553 _, _, res = mt.rpartition('/')
4554 res = res.split(';')[0].strip().lower()
4555
4556 return {
4557 '3gpp': '3gp',
4558 'smptett+xml': 'tt',
4559 'ttaf+xml': 'dfxp',
4560 'ttml+xml': 'ttml',
4561 'x-flv': 'flv',
4562 'x-mp4-fragmented': 'mp4',
4563 'x-ms-sami': 'sami',
4564 'x-ms-wmv': 'wmv',
4565 'mpegurl': 'm3u8',
4566 'x-mpegurl': 'm3u8',
4567 'vnd.apple.mpegurl': 'm3u8',
4568 'dash+xml': 'mpd',
4569 'f4m+xml': 'f4m',
4570 'hds+xml': 'f4m',
4571 'vnd.ms-sstr+xml': 'ism',
4572 'quicktime': 'mov',
4573 'mp2t': 'ts',
4574 'x-wav': 'wav',
4575 }.get(res, res)
4576
4577
4578 def parse_codecs(codecs_str):
4579 # http://tools.ietf.org/html/rfc6381
4580 if not codecs_str:
4581 return {}
4582 split_codecs = list(filter(None, map(
4583 str.strip, codecs_str.strip().strip(',').split(','))))
4584 vcodec, acodec = None, None
4585 for full_codec in split_codecs:
4586 codec = full_codec.split('.')[0]
4587 if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2', 'h263', 'h264', 'mp4v', 'hvc1', 'av01', 'theora'):
4588 if not vcodec:
4589 vcodec = full_codec
4590 elif codec in ('mp4a', 'opus', 'vorbis', 'mp3', 'aac', 'ac-3', 'ec-3', 'eac3', 'dtsc', 'dtse', 'dtsh', 'dtsl'):
4591 if not acodec:
4592 acodec = full_codec
4593 else:
4594 write_string('WARNING: Unknown codec %s\n' % full_codec, sys.stderr)
4595 if not vcodec and not acodec:
4596 if len(split_codecs) == 2:
4597 return {
4598 'vcodec': split_codecs[0],
4599 'acodec': split_codecs[1],
4600 }
4601 else:
4602 return {
4603 'vcodec': vcodec or 'none',
4604 'acodec': acodec or 'none',
4605 }
4606 return {}
4607
4608
4609 def urlhandle_detect_ext(url_handle):
4610 getheader = url_handle.headers.get
4611
4612 cd = getheader('Content-Disposition')
4613 if cd:
4614 m = re.match(r'attachment;\s*filename="(?P<filename>[^"]+)"', cd)
4615 if m:
4616 e = determine_ext(m.group('filename'), default_ext=None)
4617 if e:
4618 return e
4619
4620 return mimetype2ext(getheader('Content-Type'))
4621
4622
4623 def encode_data_uri(data, mime_type):
4624 return 'data:%s;base64,%s' % (mime_type, base64.b64encode(data).decode('ascii'))
4625
4626
4627 def age_restricted(content_limit, age_limit):
4628 """ Returns True iff the content should be blocked """
4629
4630 if age_limit is None: # No limit set
4631 return False
4632 if content_limit is None:
4633 return False # Content available for everyone
4634 return age_limit < content_limit
4635
4636
4637 def is_html(first_bytes):
4638 """ Detect whether a file contains HTML by examining its first bytes. """
4639
4640 BOMS = [
4641 (b'\xef\xbb\xbf', 'utf-8'),
4642 (b'\x00\x00\xfe\xff', 'utf-32-be'),
4643 (b'\xff\xfe\x00\x00', 'utf-32-le'),
4644 (b'\xff\xfe', 'utf-16-le'),
4645 (b'\xfe\xff', 'utf-16-be'),
4646 ]
4647 for bom, enc in BOMS:
4648 if first_bytes.startswith(bom):
4649 s = first_bytes[len(bom):].decode(enc, 'replace')
4650 break
4651 else:
4652 s = first_bytes.decode('utf-8', 'replace')
4653
4654 return re.match(r'^\s*<', s)
4655
4656
4657 def determine_protocol(info_dict):
4658 protocol = info_dict.get('protocol')
4659 if protocol is not None:
4660 return protocol
4661
4662 url = info_dict['url']
4663 if url.startswith('rtmp'):
4664 return 'rtmp'
4665 elif url.startswith('mms'):
4666 return 'mms'
4667 elif url.startswith('rtsp'):
4668 return 'rtsp'
4669
4670 ext = determine_ext(url)
4671 if ext == 'm3u8':
4672 return 'm3u8'
4673 elif ext == 'f4m':
4674 return 'f4m'
4675
4676 return compat_urllib_parse_urlparse(url).scheme
4677
4678
4679 def render_table(header_row, data, delim=False, extraGap=0, hideEmpty=False):
4680 """ Render a list of rows, each as a list of values """
4681
4682 def get_max_lens(table):
4683 return [max(len(compat_str(v)) for v in col) for col in zip(*table)]
4684
4685 def filter_using_list(row, filterArray):
4686 return [col for (take, col) in zip(filterArray, row) if take]
4687
4688 if hideEmpty:
4689 max_lens = get_max_lens(data)
4690 header_row = filter_using_list(header_row, max_lens)
4691 data = [filter_using_list(row, max_lens) for row in data]
4692
4693 table = [header_row] + data
4694 max_lens = get_max_lens(table)
4695 if delim:
4696 table = [header_row] + [['-' * ml for ml in max_lens]] + data
4697 format_str = ' '.join('%-' + compat_str(ml + extraGap) + 's' for ml in max_lens[:-1]) + ' %s'
4698 return '\n'.join(format_str % tuple(row) for row in table)
4699
4700
4701 def _match_one(filter_part, dct, incomplete):
4702 # TODO: Generalize code with YoutubeDL._build_format_filter
4703 STRING_OPERATORS = {
4704 '*=': operator.contains,
4705 '^=': lambda attr, value: attr.startswith(value),
4706 '$=': lambda attr, value: attr.endswith(value),
4707 '~=': lambda attr, value: re.search(value, attr),
4708 }
4709 COMPARISON_OPERATORS = {
4710 **STRING_OPERATORS,
4711 '<=': operator.le, # "<=" must be defined above "<"
4712 '<': operator.lt,
4713 '>=': operator.ge,
4714 '>': operator.gt,
4715 '=': operator.eq,
4716 }
4717
4718 operator_rex = re.compile(r'''(?x)\s*
4719 (?P<key>[a-z_]+)
4720 \s*(?P<negation>!\s*)?(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
4721 (?:
4722 (?P<intval>[0-9.]+(?:[kKmMgGtTpPeEzZyY]i?[Bb]?)?)|
4723 (?P<quote>["\'])(?P<quotedstrval>.+?)(?P=quote)|
4724 (?P<strval>.+?)
4725 )
4726 \s*$
4727 ''' % '|'.join(map(re.escape, COMPARISON_OPERATORS.keys())))
4728 m = operator_rex.search(filter_part)
4729 if m:
4730 unnegated_op = COMPARISON_OPERATORS[m.group('op')]
4731 if m.group('negation'):
4732 op = lambda attr, value: not unnegated_op(attr, value)
4733 else:
4734 op = unnegated_op
4735 actual_value = dct.get(m.group('key'))
4736 if (m.group('quotedstrval') is not None
4737 or m.group('strval') is not None
4738 # If the original field is a string and matching comparisonvalue is
4739 # a number we should respect the origin of the original field
4740 # and process comparison value as a string (see
4741 # https://github.com/ytdl-org/youtube-dl/issues/11082).
4742 or actual_value is not None and m.group('intval') is not None
4743 and isinstance(actual_value, compat_str)):
4744 comparison_value = m.group('quotedstrval') or m.group('strval') or m.group('intval')
4745 quote = m.group('quote')
4746 if quote is not None:
4747 comparison_value = comparison_value.replace(r'\%s' % quote, quote)
4748 else:
4749 if m.group('op') in STRING_OPERATORS:
4750 raise ValueError('Operator %s only supports string values!' % m.group('op'))
4751 try:
4752 comparison_value = int(m.group('intval'))
4753 except ValueError:
4754 comparison_value = parse_filesize(m.group('intval'))
4755 if comparison_value is None:
4756 comparison_value = parse_filesize(m.group('intval') + 'B')
4757 if comparison_value is None:
4758 raise ValueError(
4759 'Invalid integer value %r in filter part %r' % (
4760 m.group('intval'), filter_part))
4761 if actual_value is None:
4762 return incomplete or m.group('none_inclusive')
4763 return op(actual_value, comparison_value)
4764
4765 UNARY_OPERATORS = {
4766 '': lambda v: (v is True) if isinstance(v, bool) else (v is not None),
4767 '!': lambda v: (v is False) if isinstance(v, bool) else (v is None),
4768 }
4769 operator_rex = re.compile(r'''(?x)\s*
4770 (?P<op>%s)\s*(?P<key>[a-z_]+)
4771 \s*$
4772 ''' % '|'.join(map(re.escape, UNARY_OPERATORS.keys())))
4773 m = operator_rex.search(filter_part)
4774 if m:
4775 op = UNARY_OPERATORS[m.group('op')]
4776 actual_value = dct.get(m.group('key'))
4777 if incomplete and actual_value is None:
4778 return True
4779 return op(actual_value)
4780
4781 raise ValueError('Invalid filter part %r' % filter_part)
4782
4783
4784 def match_str(filter_str, dct, incomplete=False):
4785 """ Filter a dictionary with a simple string syntax. Returns True (=passes filter) or false
4786 When incomplete, all conditions passes on missing fields
4787 """
4788 return all(
4789 _match_one(filter_part.replace(r'\&', '&'), dct, incomplete)
4790 for filter_part in re.split(r'(?<!\\)&', filter_str))
4791
4792
4793 def match_filter_func(filter_str):
4794 def _match_func(info_dict, *args, **kwargs):
4795 if match_str(filter_str, info_dict, *args, **kwargs):
4796 return None
4797 else:
4798 video_title = info_dict.get('title', info_dict.get('id', 'video'))
4799 return '%s does not pass filter %s, skipping ..' % (video_title, filter_str)
4800 return _match_func
4801
4802
4803 def parse_dfxp_time_expr(time_expr):
4804 if not time_expr:
4805 return
4806
4807 mobj = re.match(r'^(?P<time_offset>\d+(?:\.\d+)?)s?$', time_expr)
4808 if mobj:
4809 return float(mobj.group('time_offset'))
4810
4811 mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:(?:\.|:)\d+)?)$', time_expr)
4812 if mobj:
4813 return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3).replace(':', '.'))
4814
4815
4816 def srt_subtitles_timecode(seconds):
4817 return '%02d:%02d:%02d,%03d' % (seconds / 3600, (seconds % 3600) / 60, seconds % 60, (seconds % 1) * 1000)
4818
4819
4820 def dfxp2srt(dfxp_data):
4821 '''
4822 @param dfxp_data A bytes-like object containing DFXP data
4823 @returns A unicode object containing converted SRT data
4824 '''
4825 LEGACY_NAMESPACES = (
4826 (b'http://www.w3.org/ns/ttml', [
4827 b'http://www.w3.org/2004/11/ttaf1',
4828 b'http://www.w3.org/2006/04/ttaf1',
4829 b'http://www.w3.org/2006/10/ttaf1',
4830 ]),
4831 (b'http://www.w3.org/ns/ttml#styling', [
4832 b'http://www.w3.org/ns/ttml#style',
4833 ]),
4834 )
4835
4836 SUPPORTED_STYLING = [
4837 'color',
4838 'fontFamily',
4839 'fontSize',
4840 'fontStyle',
4841 'fontWeight',
4842 'textDecoration'
4843 ]
4844
4845 _x = functools.partial(xpath_with_ns, ns_map={
4846 'xml': 'http://www.w3.org/XML/1998/namespace',
4847 'ttml': 'http://www.w3.org/ns/ttml',
4848 'tts': 'http://www.w3.org/ns/ttml#styling',
4849 })
4850
4851 styles = {}
4852 default_style = {}
4853
4854 class TTMLPElementParser(object):
4855 _out = ''
4856 _unclosed_elements = []
4857 _applied_styles = []
4858
4859 def start(self, tag, attrib):
4860 if tag in (_x('ttml:br'), 'br'):
4861 self._out += '\n'
4862 else:
4863 unclosed_elements = []
4864 style = {}
4865 element_style_id = attrib.get('style')
4866 if default_style:
4867 style.update(default_style)
4868 if element_style_id:
4869 style.update(styles.get(element_style_id, {}))
4870 for prop in SUPPORTED_STYLING:
4871 prop_val = attrib.get(_x('tts:' + prop))
4872 if prop_val:
4873 style[prop] = prop_val
4874 if style:
4875 font = ''
4876 for k, v in sorted(style.items()):
4877 if self._applied_styles and self._applied_styles[-1].get(k) == v:
4878 continue
4879 if k == 'color':
4880 font += ' color="%s"' % v
4881 elif k == 'fontSize':
4882 font += ' size="%s"' % v
4883 elif k == 'fontFamily':
4884 font += ' face="%s"' % v
4885 elif k == 'fontWeight' and v == 'bold':
4886 self._out += '<b>'
4887 unclosed_elements.append('b')
4888 elif k == 'fontStyle' and v == 'italic':
4889 self._out += '<i>'
4890 unclosed_elements.append('i')
4891 elif k == 'textDecoration' and v == 'underline':
4892 self._out += '<u>'
4893 unclosed_elements.append('u')
4894 if font:
4895 self._out += '<font' + font + '>'
4896 unclosed_elements.append('font')
4897 applied_style = {}
4898 if self._applied_styles:
4899 applied_style.update(self._applied_styles[-1])
4900 applied_style.update(style)
4901 self._applied_styles.append(applied_style)
4902 self._unclosed_elements.append(unclosed_elements)
4903
4904 def end(self, tag):
4905 if tag not in (_x('ttml:br'), 'br'):
4906 unclosed_elements = self._unclosed_elements.pop()
4907 for element in reversed(unclosed_elements):
4908 self._out += '</%s>' % element
4909 if unclosed_elements and self._applied_styles:
4910 self._applied_styles.pop()
4911
4912 def data(self, data):
4913 self._out += data
4914
4915 def close(self):
4916 return self._out.strip()
4917
4918 def parse_node(node):
4919 target = TTMLPElementParser()
4920 parser = xml.etree.ElementTree.XMLParser(target=target)
4921 parser.feed(xml.etree.ElementTree.tostring(node))
4922 return parser.close()
4923
4924 for k, v in LEGACY_NAMESPACES:
4925 for ns in v:
4926 dfxp_data = dfxp_data.replace(ns, k)
4927
4928 dfxp = compat_etree_fromstring(dfxp_data)
4929 out = []
4930 paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall('.//p')
4931
4932 if not paras:
4933 raise ValueError('Invalid dfxp/TTML subtitle')
4934
4935 repeat = False
4936 while True:
4937 for style in dfxp.findall(_x('.//ttml:style')):
4938 style_id = style.get('id') or style.get(_x('xml:id'))
4939 if not style_id:
4940 continue
4941 parent_style_id = style.get('style')
4942 if parent_style_id:
4943 if parent_style_id not in styles:
4944 repeat = True
4945 continue
4946 styles[style_id] = styles[parent_style_id].copy()
4947 for prop in SUPPORTED_STYLING:
4948 prop_val = style.get(_x('tts:' + prop))
4949 if prop_val:
4950 styles.setdefault(style_id, {})[prop] = prop_val
4951 if repeat:
4952 repeat = False
4953 else:
4954 break
4955
4956 for p in ('body', 'div'):
4957 ele = xpath_element(dfxp, [_x('.//ttml:' + p), './/' + p])
4958 if ele is None:
4959 continue
4960 style = styles.get(ele.get('style'))
4961 if not style:
4962 continue
4963 default_style.update(style)
4964
4965 for para, index in zip(paras, itertools.count(1)):
4966 begin_time = parse_dfxp_time_expr(para.attrib.get('begin'))
4967 end_time = parse_dfxp_time_expr(para.attrib.get('end'))
4968 dur = parse_dfxp_time_expr(para.attrib.get('dur'))
4969 if begin_time is None:
4970 continue
4971 if not end_time:
4972 if not dur:
4973 continue
4974 end_time = begin_time + dur
4975 out.append('%d\n%s --> %s\n%s\n\n' % (
4976 index,
4977 srt_subtitles_timecode(begin_time),
4978 srt_subtitles_timecode(end_time),
4979 parse_node(para)))
4980
4981 return ''.join(out)
4982
4983
4984 def cli_option(params, command_option, param):
4985 param = params.get(param)
4986 if param:
4987 param = compat_str(param)
4988 return [command_option, param] if param is not None else []
4989
4990
4991 def cli_bool_option(params, command_option, param, true_value='true', false_value='false', separator=None):
4992 param = params.get(param)
4993 if param is None:
4994 return []
4995 assert isinstance(param, bool)
4996 if separator:
4997 return [command_option + separator + (true_value if param else false_value)]
4998 return [command_option, true_value if param else false_value]
4999
5000
5001 def cli_valueless_option(params, command_option, param, expected_value=True):
5002 param = params.get(param)
5003 return [command_option] if param == expected_value else []
5004
5005
5006 def cli_configuration_args(argdict, keys, default=[], use_compat=True):
5007 if isinstance(argdict, (list, tuple)): # for backward compatibility
5008 if use_compat:
5009 return argdict
5010 else:
5011 argdict = None
5012 if argdict is None:
5013 return default
5014 assert isinstance(argdict, dict)
5015
5016 assert isinstance(keys, (list, tuple))
5017 for key_list in keys:
5018 arg_list = list(filter(
5019 lambda x: x is not None,
5020 [argdict.get(key.lower()) for key in variadic(key_list)]))
5021 if arg_list:
5022 return [arg for args in arg_list for arg in args]
5023 return default
5024
5025
5026 def _configuration_args(main_key, argdict, exe, keys=None, default=[], use_compat=True):
5027 main_key, exe = main_key.lower(), exe.lower()
5028 root_key = exe if main_key == exe else f'{main_key}+{exe}'
5029 keys = [f'{root_key}{k}' for k in (keys or [''])]
5030 if root_key in keys:
5031 if main_key != exe:
5032 keys.append((main_key, exe))
5033 keys.append('default')
5034 else:
5035 use_compat = False
5036 return cli_configuration_args(argdict, keys, default, use_compat)
5037
5038
5039 class ISO639Utils(object):
5040 # See http://www.loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt
5041 _lang_map = {
5042 'aa': 'aar',
5043 'ab': 'abk',
5044 'ae': 'ave',
5045 'af': 'afr',
5046 'ak': 'aka',
5047 'am': 'amh',
5048 'an': 'arg',
5049 'ar': 'ara',
5050 'as': 'asm',
5051 'av': 'ava',
5052 'ay': 'aym',
5053 'az': 'aze',
5054 'ba': 'bak',
5055 'be': 'bel',
5056 'bg': 'bul',
5057 'bh': 'bih',
5058 'bi': 'bis',
5059 'bm': 'bam',
5060 'bn': 'ben',
5061 'bo': 'bod',
5062 'br': 'bre',
5063 'bs': 'bos',
5064 'ca': 'cat',
5065 'ce': 'che',
5066 'ch': 'cha',
5067 'co': 'cos',
5068 'cr': 'cre',
5069 'cs': 'ces',
5070 'cu': 'chu',
5071 'cv': 'chv',
5072 'cy': 'cym',
5073 'da': 'dan',
5074 'de': 'deu',
5075 'dv': 'div',
5076 'dz': 'dzo',
5077 'ee': 'ewe',
5078 'el': 'ell',
5079 'en': 'eng',
5080 'eo': 'epo',
5081 'es': 'spa',
5082 'et': 'est',
5083 'eu': 'eus',
5084 'fa': 'fas',
5085 'ff': 'ful',
5086 'fi': 'fin',
5087 'fj': 'fij',
5088 'fo': 'fao',
5089 'fr': 'fra',
5090 'fy': 'fry',
5091 'ga': 'gle',
5092 'gd': 'gla',
5093 'gl': 'glg',
5094 'gn': 'grn',
5095 'gu': 'guj',
5096 'gv': 'glv',
5097 'ha': 'hau',
5098 'he': 'heb',
5099 'iw': 'heb', # Replaced by he in 1989 revision
5100 'hi': 'hin',
5101 'ho': 'hmo',
5102 'hr': 'hrv',
5103 'ht': 'hat',
5104 'hu': 'hun',
5105 'hy': 'hye',
5106 'hz': 'her',
5107 'ia': 'ina',
5108 'id': 'ind',
5109 'in': 'ind', # Replaced by id in 1989 revision
5110 'ie': 'ile',
5111 'ig': 'ibo',
5112 'ii': 'iii',
5113 'ik': 'ipk',
5114 'io': 'ido',
5115 'is': 'isl',
5116 'it': 'ita',
5117 'iu': 'iku',
5118 'ja': 'jpn',
5119 'jv': 'jav',
5120 'ka': 'kat',
5121 'kg': 'kon',
5122 'ki': 'kik',
5123 'kj': 'kua',
5124 'kk': 'kaz',
5125 'kl': 'kal',
5126 'km': 'khm',
5127 'kn': 'kan',
5128 'ko': 'kor',
5129 'kr': 'kau',
5130 'ks': 'kas',
5131 'ku': 'kur',
5132 'kv': 'kom',
5133 'kw': 'cor',
5134 'ky': 'kir',
5135 'la': 'lat',
5136 'lb': 'ltz',
5137 'lg': 'lug',
5138 'li': 'lim',
5139 'ln': 'lin',
5140 'lo': 'lao',
5141 'lt': 'lit',
5142 'lu': 'lub',
5143 'lv': 'lav',
5144 'mg': 'mlg',
5145 'mh': 'mah',
5146 'mi': 'mri',
5147 'mk': 'mkd',
5148 'ml': 'mal',
5149 'mn': 'mon',
5150 'mr': 'mar',
5151 'ms': 'msa',
5152 'mt': 'mlt',
5153 'my': 'mya',
5154 'na': 'nau',
5155 'nb': 'nob',
5156 'nd': 'nde',
5157 'ne': 'nep',
5158 'ng': 'ndo',
5159 'nl': 'nld',
5160 'nn': 'nno',
5161 'no': 'nor',
5162 'nr': 'nbl',
5163 'nv': 'nav',
5164 'ny': 'nya',
5165 'oc': 'oci',
5166 'oj': 'oji',
5167 'om': 'orm',
5168 'or': 'ori',
5169 'os': 'oss',
5170 'pa': 'pan',
5171 'pi': 'pli',
5172 'pl': 'pol',
5173 'ps': 'pus',
5174 'pt': 'por',
5175 'qu': 'que',
5176 'rm': 'roh',
5177 'rn': 'run',
5178 'ro': 'ron',
5179 'ru': 'rus',
5180 'rw': 'kin',
5181 'sa': 'san',
5182 'sc': 'srd',
5183 'sd': 'snd',
5184 'se': 'sme',
5185 'sg': 'sag',
5186 'si': 'sin',
5187 'sk': 'slk',
5188 'sl': 'slv',
5189 'sm': 'smo',
5190 'sn': 'sna',
5191 'so': 'som',
5192 'sq': 'sqi',
5193 'sr': 'srp',
5194 'ss': 'ssw',
5195 'st': 'sot',
5196 'su': 'sun',
5197 'sv': 'swe',
5198 'sw': 'swa',
5199 'ta': 'tam',
5200 'te': 'tel',
5201 'tg': 'tgk',
5202 'th': 'tha',
5203 'ti': 'tir',
5204 'tk': 'tuk',
5205 'tl': 'tgl',
5206 'tn': 'tsn',
5207 'to': 'ton',
5208 'tr': 'tur',
5209 'ts': 'tso',
5210 'tt': 'tat',
5211 'tw': 'twi',
5212 'ty': 'tah',
5213 'ug': 'uig',
5214 'uk': 'ukr',
5215 'ur': 'urd',
5216 'uz': 'uzb',
5217 've': 'ven',
5218 'vi': 'vie',
5219 'vo': 'vol',
5220 'wa': 'wln',
5221 'wo': 'wol',
5222 'xh': 'xho',
5223 'yi': 'yid',
5224 'ji': 'yid', # Replaced by yi in 1989 revision
5225 'yo': 'yor',
5226 'za': 'zha',
5227 'zh': 'zho',
5228 'zu': 'zul',
5229 }
5230
5231 @classmethod
5232 def short2long(cls, code):
5233 """Convert language code from ISO 639-1 to ISO 639-2/T"""
5234 return cls._lang_map.get(code[:2])
5235
5236 @classmethod
5237 def long2short(cls, code):
5238 """Convert language code from ISO 639-2/T to ISO 639-1"""
5239 for short_name, long_name in cls._lang_map.items():
5240 if long_name == code:
5241 return short_name
5242
5243
5244 class ISO3166Utils(object):
5245 # From http://data.okfn.org/data/core/country-list
5246 _country_map = {
5247 'AF': 'Afghanistan',
5248 'AX': 'Åland Islands',
5249 'AL': 'Albania',
5250 'DZ': 'Algeria',
5251 'AS': 'American Samoa',
5252 'AD': 'Andorra',
5253 'AO': 'Angola',
5254 'AI': 'Anguilla',
5255 'AQ': 'Antarctica',
5256 'AG': 'Antigua and Barbuda',
5257 'AR': 'Argentina',
5258 'AM': 'Armenia',
5259 'AW': 'Aruba',
5260 'AU': 'Australia',
5261 'AT': 'Austria',
5262 'AZ': 'Azerbaijan',
5263 'BS': 'Bahamas',
5264 'BH': 'Bahrain',
5265 'BD': 'Bangladesh',
5266 'BB': 'Barbados',
5267 'BY': 'Belarus',
5268 'BE': 'Belgium',
5269 'BZ': 'Belize',
5270 'BJ': 'Benin',
5271 'BM': 'Bermuda',
5272 'BT': 'Bhutan',
5273 'BO': 'Bolivia, Plurinational State of',
5274 'BQ': 'Bonaire, Sint Eustatius and Saba',
5275 'BA': 'Bosnia and Herzegovina',
5276 'BW': 'Botswana',
5277 'BV': 'Bouvet Island',
5278 'BR': 'Brazil',
5279 'IO': 'British Indian Ocean Territory',
5280 'BN': 'Brunei Darussalam',
5281 'BG': 'Bulgaria',
5282 'BF': 'Burkina Faso',
5283 'BI': 'Burundi',
5284 'KH': 'Cambodia',
5285 'CM': 'Cameroon',
5286 'CA': 'Canada',
5287 'CV': 'Cape Verde',
5288 'KY': 'Cayman Islands',
5289 'CF': 'Central African Republic',
5290 'TD': 'Chad',
5291 'CL': 'Chile',
5292 'CN': 'China',
5293 'CX': 'Christmas Island',
5294 'CC': 'Cocos (Keeling) Islands',
5295 'CO': 'Colombia',
5296 'KM': 'Comoros',
5297 'CG': 'Congo',
5298 'CD': 'Congo, the Democratic Republic of the',
5299 'CK': 'Cook Islands',
5300 'CR': 'Costa Rica',
5301 'CI': 'Côte d\'Ivoire',
5302 'HR': 'Croatia',
5303 'CU': 'Cuba',
5304 'CW': 'Curaçao',
5305 'CY': 'Cyprus',
5306 'CZ': 'Czech Republic',
5307 'DK': 'Denmark',
5308 'DJ': 'Djibouti',
5309 'DM': 'Dominica',
5310 'DO': 'Dominican Republic',
5311 'EC': 'Ecuador',
5312 'EG': 'Egypt',
5313 'SV': 'El Salvador',
5314 'GQ': 'Equatorial Guinea',
5315 'ER': 'Eritrea',
5316 'EE': 'Estonia',
5317 'ET': 'Ethiopia',
5318 'FK': 'Falkland Islands (Malvinas)',
5319 'FO': 'Faroe Islands',
5320 'FJ': 'Fiji',
5321 'FI': 'Finland',
5322 'FR': 'France',
5323 'GF': 'French Guiana',
5324 'PF': 'French Polynesia',
5325 'TF': 'French Southern Territories',
5326 'GA': 'Gabon',
5327 'GM': 'Gambia',
5328 'GE': 'Georgia',
5329 'DE': 'Germany',
5330 'GH': 'Ghana',
5331 'GI': 'Gibraltar',
5332 'GR': 'Greece',
5333 'GL': 'Greenland',
5334 'GD': 'Grenada',
5335 'GP': 'Guadeloupe',
5336 'GU': 'Guam',
5337 'GT': 'Guatemala',
5338 'GG': 'Guernsey',
5339 'GN': 'Guinea',
5340 'GW': 'Guinea-Bissau',
5341 'GY': 'Guyana',
5342 'HT': 'Haiti',
5343 'HM': 'Heard Island and McDonald Islands',
5344 'VA': 'Holy See (Vatican City State)',
5345 'HN': 'Honduras',
5346 'HK': 'Hong Kong',
5347 'HU': 'Hungary',
5348 'IS': 'Iceland',
5349 'IN': 'India',
5350 'ID': 'Indonesia',
5351 'IR': 'Iran, Islamic Republic of',
5352 'IQ': 'Iraq',
5353 'IE': 'Ireland',
5354 'IM': 'Isle of Man',
5355 'IL': 'Israel',
5356 'IT': 'Italy',
5357 'JM': 'Jamaica',
5358 'JP': 'Japan',
5359 'JE': 'Jersey',
5360 'JO': 'Jordan',
5361 'KZ': 'Kazakhstan',
5362 'KE': 'Kenya',
5363 'KI': 'Kiribati',
5364 'KP': 'Korea, Democratic People\'s Republic of',
5365 'KR': 'Korea, Republic of',
5366 'KW': 'Kuwait',
5367 'KG': 'Kyrgyzstan',
5368 'LA': 'Lao People\'s Democratic Republic',
5369 'LV': 'Latvia',
5370 'LB': 'Lebanon',
5371 'LS': 'Lesotho',
5372 'LR': 'Liberia',
5373 'LY': 'Libya',
5374 'LI': 'Liechtenstein',
5375 'LT': 'Lithuania',
5376 'LU': 'Luxembourg',
5377 'MO': 'Macao',
5378 'MK': 'Macedonia, the Former Yugoslav Republic of',
5379 'MG': 'Madagascar',
5380 'MW': 'Malawi',
5381 'MY': 'Malaysia',
5382 'MV': 'Maldives',
5383 'ML': 'Mali',
5384 'MT': 'Malta',
5385 'MH': 'Marshall Islands',
5386 'MQ': 'Martinique',
5387 'MR': 'Mauritania',
5388 'MU': 'Mauritius',
5389 'YT': 'Mayotte',
5390 'MX': 'Mexico',
5391 'FM': 'Micronesia, Federated States of',
5392 'MD': 'Moldova, Republic of',
5393 'MC': 'Monaco',
5394 'MN': 'Mongolia',
5395 'ME': 'Montenegro',
5396 'MS': 'Montserrat',
5397 'MA': 'Morocco',
5398 'MZ': 'Mozambique',
5399 'MM': 'Myanmar',
5400 'NA': 'Namibia',
5401 'NR': 'Nauru',
5402 'NP': 'Nepal',
5403 'NL': 'Netherlands',
5404 'NC': 'New Caledonia',
5405 'NZ': 'New Zealand',
5406 'NI': 'Nicaragua',
5407 'NE': 'Niger',
5408 'NG': 'Nigeria',
5409 'NU': 'Niue',
5410 'NF': 'Norfolk Island',
5411 'MP': 'Northern Mariana Islands',
5412 'NO': 'Norway',
5413 'OM': 'Oman',
5414 'PK': 'Pakistan',
5415 'PW': 'Palau',
5416 'PS': 'Palestine, State of',
5417 'PA': 'Panama',
5418 'PG': 'Papua New Guinea',
5419 'PY': 'Paraguay',
5420 'PE': 'Peru',
5421 'PH': 'Philippines',
5422 'PN': 'Pitcairn',
5423 'PL': 'Poland',
5424 'PT': 'Portugal',
5425 'PR': 'Puerto Rico',
5426 'QA': 'Qatar',
5427 'RE': 'Réunion',
5428 'RO': 'Romania',
5429 'RU': 'Russian Federation',
5430 'RW': 'Rwanda',
5431 'BL': 'Saint Barthélemy',
5432 'SH': 'Saint Helena, Ascension and Tristan da Cunha',
5433 'KN': 'Saint Kitts and Nevis',
5434 'LC': 'Saint Lucia',
5435 'MF': 'Saint Martin (French part)',
5436 'PM': 'Saint Pierre and Miquelon',
5437 'VC': 'Saint Vincent and the Grenadines',
5438 'WS': 'Samoa',
5439 'SM': 'San Marino',
5440 'ST': 'Sao Tome and Principe',
5441 'SA': 'Saudi Arabia',
5442 'SN': 'Senegal',
5443 'RS': 'Serbia',
5444 'SC': 'Seychelles',
5445 'SL': 'Sierra Leone',
5446 'SG': 'Singapore',
5447 'SX': 'Sint Maarten (Dutch part)',
5448 'SK': 'Slovakia',
5449 'SI': 'Slovenia',
5450 'SB': 'Solomon Islands',
5451 'SO': 'Somalia',
5452 'ZA': 'South Africa',
5453 'GS': 'South Georgia and the South Sandwich Islands',
5454 'SS': 'South Sudan',
5455 'ES': 'Spain',
5456 'LK': 'Sri Lanka',
5457 'SD': 'Sudan',
5458 'SR': 'Suriname',
5459 'SJ': 'Svalbard and Jan Mayen',
5460 'SZ': 'Swaziland',
5461 'SE': 'Sweden',
5462 'CH': 'Switzerland',
5463 'SY': 'Syrian Arab Republic',
5464 'TW': 'Taiwan, Province of China',
5465 'TJ': 'Tajikistan',
5466 'TZ': 'Tanzania, United Republic of',
5467 'TH': 'Thailand',
5468 'TL': 'Timor-Leste',
5469 'TG': 'Togo',
5470 'TK': 'Tokelau',
5471 'TO': 'Tonga',
5472 'TT': 'Trinidad and Tobago',
5473 'TN': 'Tunisia',
5474 'TR': 'Turkey',
5475 'TM': 'Turkmenistan',
5476 'TC': 'Turks and Caicos Islands',
5477 'TV': 'Tuvalu',
5478 'UG': 'Uganda',
5479 'UA': 'Ukraine',
5480 'AE': 'United Arab Emirates',
5481 'GB': 'United Kingdom',
5482 'US': 'United States',
5483 'UM': 'United States Minor Outlying Islands',
5484 'UY': 'Uruguay',
5485 'UZ': 'Uzbekistan',
5486 'VU': 'Vanuatu',
5487 'VE': 'Venezuela, Bolivarian Republic of',
5488 'VN': 'Viet Nam',
5489 'VG': 'Virgin Islands, British',
5490 'VI': 'Virgin Islands, U.S.',
5491 'WF': 'Wallis and Futuna',
5492 'EH': 'Western Sahara',
5493 'YE': 'Yemen',
5494 'ZM': 'Zambia',
5495 'ZW': 'Zimbabwe',
5496 }
5497
5498 @classmethod
5499 def short2full(cls, code):
5500 """Convert an ISO 3166-2 country code to the corresponding full name"""
5501 return cls._country_map.get(code.upper())
5502
5503
5504 class GeoUtils(object):
5505 # Major IPv4 address blocks per country
5506 _country_ip_map = {
5507 'AD': '46.172.224.0/19',
5508 'AE': '94.200.0.0/13',
5509 'AF': '149.54.0.0/17',
5510 'AG': '209.59.64.0/18',
5511 'AI': '204.14.248.0/21',
5512 'AL': '46.99.0.0/16',
5513 'AM': '46.70.0.0/15',
5514 'AO': '105.168.0.0/13',
5515 'AP': '182.50.184.0/21',
5516 'AQ': '23.154.160.0/24',
5517 'AR': '181.0.0.0/12',
5518 'AS': '202.70.112.0/20',
5519 'AT': '77.116.0.0/14',
5520 'AU': '1.128.0.0/11',
5521 'AW': '181.41.0.0/18',
5522 'AX': '185.217.4.0/22',
5523 'AZ': '5.197.0.0/16',
5524 'BA': '31.176.128.0/17',
5525 'BB': '65.48.128.0/17',
5526 'BD': '114.130.0.0/16',
5527 'BE': '57.0.0.0/8',
5528 'BF': '102.178.0.0/15',
5529 'BG': '95.42.0.0/15',
5530 'BH': '37.131.0.0/17',
5531 'BI': '154.117.192.0/18',
5532 'BJ': '137.255.0.0/16',
5533 'BL': '185.212.72.0/23',
5534 'BM': '196.12.64.0/18',
5535 'BN': '156.31.0.0/16',
5536 'BO': '161.56.0.0/16',
5537 'BQ': '161.0.80.0/20',
5538 'BR': '191.128.0.0/12',
5539 'BS': '24.51.64.0/18',
5540 'BT': '119.2.96.0/19',
5541 'BW': '168.167.0.0/16',
5542 'BY': '178.120.0.0/13',
5543 'BZ': '179.42.192.0/18',
5544 'CA': '99.224.0.0/11',
5545 'CD': '41.243.0.0/16',
5546 'CF': '197.242.176.0/21',
5547 'CG': '160.113.0.0/16',
5548 'CH': '85.0.0.0/13',
5549 'CI': '102.136.0.0/14',
5550 'CK': '202.65.32.0/19',
5551 'CL': '152.172.0.0/14',
5552 'CM': '102.244.0.0/14',
5553 'CN': '36.128.0.0/10',
5554 'CO': '181.240.0.0/12',
5555 'CR': '201.192.0.0/12',
5556 'CU': '152.206.0.0/15',
5557 'CV': '165.90.96.0/19',
5558 'CW': '190.88.128.0/17',
5559 'CY': '31.153.0.0/16',
5560 'CZ': '88.100.0.0/14',
5561 'DE': '53.0.0.0/8',
5562 'DJ': '197.241.0.0/17',
5563 'DK': '87.48.0.0/12',
5564 'DM': '192.243.48.0/20',
5565 'DO': '152.166.0.0/15',
5566 'DZ': '41.96.0.0/12',
5567 'EC': '186.68.0.0/15',
5568 'EE': '90.190.0.0/15',
5569 'EG': '156.160.0.0/11',
5570 'ER': '196.200.96.0/20',
5571 'ES': '88.0.0.0/11',
5572 'ET': '196.188.0.0/14',
5573 'EU': '2.16.0.0/13',
5574 'FI': '91.152.0.0/13',
5575 'FJ': '144.120.0.0/16',
5576 'FK': '80.73.208.0/21',
5577 'FM': '119.252.112.0/20',
5578 'FO': '88.85.32.0/19',
5579 'FR': '90.0.0.0/9',
5580 'GA': '41.158.0.0/15',
5581 'GB': '25.0.0.0/8',
5582 'GD': '74.122.88.0/21',
5583 'GE': '31.146.0.0/16',
5584 'GF': '161.22.64.0/18',
5585 'GG': '62.68.160.0/19',
5586 'GH': '154.160.0.0/12',
5587 'GI': '95.164.0.0/16',
5588 'GL': '88.83.0.0/19',
5589 'GM': '160.182.0.0/15',
5590 'GN': '197.149.192.0/18',
5591 'GP': '104.250.0.0/19',
5592 'GQ': '105.235.224.0/20',
5593 'GR': '94.64.0.0/13',
5594 'GT': '168.234.0.0/16',
5595 'GU': '168.123.0.0/16',
5596 'GW': '197.214.80.0/20',
5597 'GY': '181.41.64.0/18',
5598 'HK': '113.252.0.0/14',
5599 'HN': '181.210.0.0/16',
5600 'HR': '93.136.0.0/13',
5601 'HT': '148.102.128.0/17',
5602 'HU': '84.0.0.0/14',
5603 'ID': '39.192.0.0/10',
5604 'IE': '87.32.0.0/12',
5605 'IL': '79.176.0.0/13',
5606 'IM': '5.62.80.0/20',
5607 'IN': '117.192.0.0/10',
5608 'IO': '203.83.48.0/21',
5609 'IQ': '37.236.0.0/14',
5610 'IR': '2.176.0.0/12',
5611 'IS': '82.221.0.0/16',
5612 'IT': '79.0.0.0/10',
5613 'JE': '87.244.64.0/18',
5614 'JM': '72.27.0.0/17',
5615 'JO': '176.29.0.0/16',
5616 'JP': '133.0.0.0/8',
5617 'KE': '105.48.0.0/12',
5618 'KG': '158.181.128.0/17',
5619 'KH': '36.37.128.0/17',
5620 'KI': '103.25.140.0/22',
5621 'KM': '197.255.224.0/20',
5622 'KN': '198.167.192.0/19',
5623 'KP': '175.45.176.0/22',
5624 'KR': '175.192.0.0/10',
5625 'KW': '37.36.0.0/14',
5626 'KY': '64.96.0.0/15',
5627 'KZ': '2.72.0.0/13',
5628 'LA': '115.84.64.0/18',
5629 'LB': '178.135.0.0/16',
5630 'LC': '24.92.144.0/20',
5631 'LI': '82.117.0.0/19',
5632 'LK': '112.134.0.0/15',
5633 'LR': '102.183.0.0/16',
5634 'LS': '129.232.0.0/17',
5635 'LT': '78.56.0.0/13',
5636 'LU': '188.42.0.0/16',
5637 'LV': '46.109.0.0/16',
5638 'LY': '41.252.0.0/14',
5639 'MA': '105.128.0.0/11',
5640 'MC': '88.209.64.0/18',
5641 'MD': '37.246.0.0/16',
5642 'ME': '178.175.0.0/17',
5643 'MF': '74.112.232.0/21',
5644 'MG': '154.126.0.0/17',
5645 'MH': '117.103.88.0/21',
5646 'MK': '77.28.0.0/15',
5647 'ML': '154.118.128.0/18',
5648 'MM': '37.111.0.0/17',
5649 'MN': '49.0.128.0/17',
5650 'MO': '60.246.0.0/16',
5651 'MP': '202.88.64.0/20',
5652 'MQ': '109.203.224.0/19',
5653 'MR': '41.188.64.0/18',
5654 'MS': '208.90.112.0/22',
5655 'MT': '46.11.0.0/16',
5656 'MU': '105.16.0.0/12',
5657 'MV': '27.114.128.0/18',
5658 'MW': '102.70.0.0/15',
5659 'MX': '187.192.0.0/11',
5660 'MY': '175.136.0.0/13',
5661 'MZ': '197.218.0.0/15',
5662 'NA': '41.182.0.0/16',
5663 'NC': '101.101.0.0/18',
5664 'NE': '197.214.0.0/18',
5665 'NF': '203.17.240.0/22',
5666 'NG': '105.112.0.0/12',
5667 'NI': '186.76.0.0/15',
5668 'NL': '145.96.0.0/11',
5669 'NO': '84.208.0.0/13',
5670 'NP': '36.252.0.0/15',
5671 'NR': '203.98.224.0/19',
5672 'NU': '49.156.48.0/22',
5673 'NZ': '49.224.0.0/14',
5674 'OM': '5.36.0.0/15',
5675 'PA': '186.72.0.0/15',
5676 'PE': '186.160.0.0/14',
5677 'PF': '123.50.64.0/18',
5678 'PG': '124.240.192.0/19',
5679 'PH': '49.144.0.0/13',
5680 'PK': '39.32.0.0/11',
5681 'PL': '83.0.0.0/11',
5682 'PM': '70.36.0.0/20',
5683 'PR': '66.50.0.0/16',
5684 'PS': '188.161.0.0/16',
5685 'PT': '85.240.0.0/13',
5686 'PW': '202.124.224.0/20',
5687 'PY': '181.120.0.0/14',
5688 'QA': '37.210.0.0/15',
5689 'RE': '102.35.0.0/16',
5690 'RO': '79.112.0.0/13',
5691 'RS': '93.86.0.0/15',
5692 'RU': '5.136.0.0/13',
5693 'RW': '41.186.0.0/16',
5694 'SA': '188.48.0.0/13',
5695 'SB': '202.1.160.0/19',
5696 'SC': '154.192.0.0/11',
5697 'SD': '102.120.0.0/13',
5698 'SE': '78.64.0.0/12',
5699 'SG': '8.128.0.0/10',
5700 'SI': '188.196.0.0/14',
5701 'SK': '78.98.0.0/15',
5702 'SL': '102.143.0.0/17',
5703 'SM': '89.186.32.0/19',
5704 'SN': '41.82.0.0/15',
5705 'SO': '154.115.192.0/18',
5706 'SR': '186.179.128.0/17',
5707 'SS': '105.235.208.0/21',
5708 'ST': '197.159.160.0/19',
5709 'SV': '168.243.0.0/16',
5710 'SX': '190.102.0.0/20',
5711 'SY': '5.0.0.0/16',
5712 'SZ': '41.84.224.0/19',
5713 'TC': '65.255.48.0/20',
5714 'TD': '154.68.128.0/19',
5715 'TG': '196.168.0.0/14',
5716 'TH': '171.96.0.0/13',
5717 'TJ': '85.9.128.0/18',
5718 'TK': '27.96.24.0/21',
5719 'TL': '180.189.160.0/20',
5720 'TM': '95.85.96.0/19',
5721 'TN': '197.0.0.0/11',
5722 'TO': '175.176.144.0/21',
5723 'TR': '78.160.0.0/11',
5724 'TT': '186.44.0.0/15',
5725 'TV': '202.2.96.0/19',
5726 'TW': '120.96.0.0/11',
5727 'TZ': '156.156.0.0/14',
5728 'UA': '37.52.0.0/14',
5729 'UG': '102.80.0.0/13',
5730 'US': '6.0.0.0/8',
5731 'UY': '167.56.0.0/13',
5732 'UZ': '84.54.64.0/18',
5733 'VA': '212.77.0.0/19',
5734 'VC': '207.191.240.0/21',
5735 'VE': '186.88.0.0/13',
5736 'VG': '66.81.192.0/20',
5737 'VI': '146.226.0.0/16',
5738 'VN': '14.160.0.0/11',
5739 'VU': '202.80.32.0/20',
5740 'WF': '117.20.32.0/21',
5741 'WS': '202.4.32.0/19',
5742 'YE': '134.35.0.0/16',
5743 'YT': '41.242.116.0/22',
5744 'ZA': '41.0.0.0/11',
5745 'ZM': '102.144.0.0/13',
5746 'ZW': '102.177.192.0/18',
5747 }
5748
5749 @classmethod
5750 def random_ipv4(cls, code_or_block):
5751 if len(code_or_block) == 2:
5752 block = cls._country_ip_map.get(code_or_block.upper())
5753 if not block:
5754 return None
5755 else:
5756 block = code_or_block
5757 addr, preflen = block.split('/')
5758 addr_min = compat_struct_unpack('!L', socket.inet_aton(addr))[0]
5759 addr_max = addr_min | (0xffffffff >> int(preflen))
5760 return compat_str(socket.inet_ntoa(
5761 compat_struct_pack('!L', random.randint(addr_min, addr_max))))
5762
5763
5764 class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
5765 def __init__(self, proxies=None):
5766 # Set default handlers
5767 for type in ('http', 'https'):
5768 setattr(self, '%s_open' % type,
5769 lambda r, proxy='__noproxy__', type=type, meth=self.proxy_open:
5770 meth(r, proxy, type))
5771 compat_urllib_request.ProxyHandler.__init__(self, proxies)
5772
5773 def proxy_open(self, req, proxy, type):
5774 req_proxy = req.headers.get('Ytdl-request-proxy')
5775 if req_proxy is not None:
5776 proxy = req_proxy
5777 del req.headers['Ytdl-request-proxy']
5778
5779 if proxy == '__noproxy__':
5780 return None # No Proxy
5781 if compat_urlparse.urlparse(proxy).scheme.lower() in ('socks', 'socks4', 'socks4a', 'socks5'):
5782 req.add_header('Ytdl-socks-proxy', proxy)
5783 # yt-dlp's http/https handlers do wrapping the socket with socks
5784 return None
5785 return compat_urllib_request.ProxyHandler.proxy_open(
5786 self, req, proxy, type)
5787
5788
5789 # Both long_to_bytes and bytes_to_long are adapted from PyCrypto, which is
5790 # released into Public Domain
5791 # https://github.com/dlitz/pycrypto/blob/master/lib/Crypto/Util/number.py#L387
5792
5793 def long_to_bytes(n, blocksize=0):
5794 """long_to_bytes(n:long, blocksize:int) : string
5795 Convert a long integer to a byte string.
5796
5797 If optional blocksize is given and greater than zero, pad the front of the
5798 byte string with binary zeros so that the length is a multiple of
5799 blocksize.
5800 """
5801 # after much testing, this algorithm was deemed to be the fastest
5802 s = b''
5803 n = int(n)
5804 while n > 0:
5805 s = compat_struct_pack('>I', n & 0xffffffff) + s
5806 n = n >> 32
5807 # strip off leading zeros
5808 for i in range(len(s)):
5809 if s[i] != b'\000'[0]:
5810 break
5811 else:
5812 # only happens when n == 0
5813 s = b'\000'
5814 i = 0
5815 s = s[i:]
5816 # add back some pad bytes. this could be done more efficiently w.r.t. the
5817 # de-padding being done above, but sigh...
5818 if blocksize > 0 and len(s) % blocksize:
5819 s = (blocksize - len(s) % blocksize) * b'\000' + s
5820 return s
5821
5822
5823 def bytes_to_long(s):
5824 """bytes_to_long(string) : long
5825 Convert a byte string to a long integer.
5826
5827 This is (essentially) the inverse of long_to_bytes().
5828 """
5829 acc = 0
5830 length = len(s)
5831 if length % 4:
5832 extra = (4 - length % 4)
5833 s = b'\000' * extra + s
5834 length = length + extra
5835 for i in range(0, length, 4):
5836 acc = (acc << 32) + compat_struct_unpack('>I', s[i:i + 4])[0]
5837 return acc
5838
5839
5840 def ohdave_rsa_encrypt(data, exponent, modulus):
5841 '''
5842 Implement OHDave's RSA algorithm. See http://www.ohdave.com/rsa/
5843
5844 Input:
5845 data: data to encrypt, bytes-like object
5846 exponent, modulus: parameter e and N of RSA algorithm, both integer
5847 Output: hex string of encrypted data
5848
5849 Limitation: supports one block encryption only
5850 '''
5851
5852 payload = int(binascii.hexlify(data[::-1]), 16)
5853 encrypted = pow(payload, exponent, modulus)
5854 return '%x' % encrypted
5855
5856
5857 def pkcs1pad(data, length):
5858 """
5859 Padding input data with PKCS#1 scheme
5860
5861 @param {int[]} data input data
5862 @param {int} length target length
5863 @returns {int[]} padded data
5864 """
5865 if len(data) > length - 11:
5866 raise ValueError('Input data too long for PKCS#1 padding')
5867
5868 pseudo_random = [random.randint(0, 254) for _ in range(length - len(data) - 3)]
5869 return [0, 2] + pseudo_random + [0] + data
5870
5871
5872 def encode_base_n(num, n, table=None):
5873 FULL_TABLE = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
5874 if not table:
5875 table = FULL_TABLE[:n]
5876
5877 if n > len(table):
5878 raise ValueError('base %d exceeds table length %d' % (n, len(table)))
5879
5880 if num == 0:
5881 return table[0]
5882
5883 ret = ''
5884 while num:
5885 ret = table[num % n] + ret
5886 num = num // n
5887 return ret
5888
5889
5890 def decode_packed_codes(code):
5891 mobj = re.search(PACKED_CODES_RE, code)
5892 obfuscated_code, base, count, symbols = mobj.groups()
5893 base = int(base)
5894 count = int(count)
5895 symbols = symbols.split('|')
5896 symbol_table = {}
5897
5898 while count:
5899 count -= 1
5900 base_n_count = encode_base_n(count, base)
5901 symbol_table[base_n_count] = symbols[count] or base_n_count
5902
5903 return re.sub(
5904 r'\b(\w+)\b', lambda mobj: symbol_table[mobj.group(0)],
5905 obfuscated_code)
5906
5907
5908 def caesar(s, alphabet, shift):
5909 if shift == 0:
5910 return s
5911 l = len(alphabet)
5912 return ''.join(
5913 alphabet[(alphabet.index(c) + shift) % l] if c in alphabet else c
5914 for c in s)
5915
5916
5917 def rot47(s):
5918 return caesar(s, r'''!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~''', 47)
5919
5920
5921 def parse_m3u8_attributes(attrib):
5922 info = {}
5923 for (key, val) in re.findall(r'(?P<key>[A-Z0-9-]+)=(?P<val>"[^"]+"|[^",]+)(?:,|$)', attrib):
5924 if val.startswith('"'):
5925 val = val[1:-1]
5926 info[key] = val
5927 return info
5928
5929
5930 def urshift(val, n):
5931 return val >> n if val >= 0 else (val + 0x100000000) >> n
5932
5933
5934 # Based on png2str() written by @gdkchan and improved by @yokrysty
5935 # Originally posted at https://github.com/ytdl-org/youtube-dl/issues/9706
5936 def decode_png(png_data):
5937 # Reference: https://www.w3.org/TR/PNG/
5938 header = png_data[8:]
5939
5940 if png_data[:8] != b'\x89PNG\x0d\x0a\x1a\x0a' or header[4:8] != b'IHDR':
5941 raise IOError('Not a valid PNG file.')
5942
5943 int_map = {1: '>B', 2: '>H', 4: '>I'}
5944 unpack_integer = lambda x: compat_struct_unpack(int_map[len(x)], x)[0]
5945
5946 chunks = []
5947
5948 while header:
5949 length = unpack_integer(header[:4])
5950 header = header[4:]
5951
5952 chunk_type = header[:4]
5953 header = header[4:]
5954
5955 chunk_data = header[:length]
5956 header = header[length:]
5957
5958 header = header[4:] # Skip CRC
5959
5960 chunks.append({
5961 'type': chunk_type,
5962 'length': length,
5963 'data': chunk_data
5964 })
5965
5966 ihdr = chunks[0]['data']
5967
5968 width = unpack_integer(ihdr[:4])
5969 height = unpack_integer(ihdr[4:8])
5970
5971 idat = b''
5972
5973 for chunk in chunks:
5974 if chunk['type'] == b'IDAT':
5975 idat += chunk['data']
5976
5977 if not idat:
5978 raise IOError('Unable to read PNG data.')
5979
5980 decompressed_data = bytearray(zlib.decompress(idat))
5981
5982 stride = width * 3
5983 pixels = []
5984
5985 def _get_pixel(idx):
5986 x = idx % stride
5987 y = idx // stride
5988 return pixels[y][x]
5989
5990 for y in range(height):
5991 basePos = y * (1 + stride)
5992 filter_type = decompressed_data[basePos]
5993
5994 current_row = []
5995
5996 pixels.append(current_row)
5997
5998 for x in range(stride):
5999 color = decompressed_data[1 + basePos + x]
6000 basex = y * stride + x
6001 left = 0
6002 up = 0
6003
6004 if x > 2:
6005 left = _get_pixel(basex - 3)
6006 if y > 0:
6007 up = _get_pixel(basex - stride)
6008
6009 if filter_type == 1: # Sub
6010 color = (color + left) & 0xff
6011 elif filter_type == 2: # Up
6012 color = (color + up) & 0xff
6013 elif filter_type == 3: # Average
6014 color = (color + ((left + up) >> 1)) & 0xff
6015 elif filter_type == 4: # Paeth
6016 a = left
6017 b = up
6018 c = 0
6019
6020 if x > 2 and y > 0:
6021 c = _get_pixel(basex - stride - 3)
6022
6023 p = a + b - c
6024
6025 pa = abs(p - a)
6026 pb = abs(p - b)
6027 pc = abs(p - c)
6028
6029 if pa <= pb and pa <= pc:
6030 color = (color + a) & 0xff
6031 elif pb <= pc:
6032 color = (color + b) & 0xff
6033 else:
6034 color = (color + c) & 0xff
6035
6036 current_row.append(color)
6037
6038 return width, height, pixels
6039
6040
6041 def write_xattr(path, key, value):
6042 # This mess below finds the best xattr tool for the job
6043 try:
6044 # try the pyxattr module...
6045 import xattr
6046
6047 if hasattr(xattr, 'set'): # pyxattr
6048 # Unicode arguments are not supported in python-pyxattr until
6049 # version 0.5.0
6050 # See https://github.com/ytdl-org/youtube-dl/issues/5498
6051 pyxattr_required_version = '0.5.0'
6052 if version_tuple(xattr.__version__) < version_tuple(pyxattr_required_version):
6053 # TODO: fallback to CLI tools
6054 raise XAttrUnavailableError(
6055 'python-pyxattr is detected but is too old. '
6056 'yt-dlp requires %s or above while your version is %s. '
6057 'Falling back to other xattr implementations' % (
6058 pyxattr_required_version, xattr.__version__))
6059
6060 setxattr = xattr.set
6061 else: # xattr
6062 setxattr = xattr.setxattr
6063
6064 try:
6065 setxattr(path, key, value)
6066 except EnvironmentError as e:
6067 raise XAttrMetadataError(e.errno, e.strerror)
6068
6069 except ImportError:
6070 if compat_os_name == 'nt':
6071 # Write xattrs to NTFS Alternate Data Streams:
6072 # http://en.wikipedia.org/wiki/NTFS#Alternate_data_streams_.28ADS.29
6073 assert ':' not in key
6074 assert os.path.exists(path)
6075
6076 ads_fn = path + ':' + key
6077 try:
6078 with open(ads_fn, 'wb') as f:
6079 f.write(value)
6080 except EnvironmentError as e:
6081 raise XAttrMetadataError(e.errno, e.strerror)
6082 else:
6083 user_has_setfattr = check_executable('setfattr', ['--version'])
6084 user_has_xattr = check_executable('xattr', ['-h'])
6085
6086 if user_has_setfattr or user_has_xattr:
6087
6088 value = value.decode('utf-8')
6089 if user_has_setfattr:
6090 executable = 'setfattr'
6091 opts = ['-n', key, '-v', value]
6092 elif user_has_xattr:
6093 executable = 'xattr'
6094 opts = ['-w', key, value]
6095
6096 cmd = ([encodeFilename(executable, True)]
6097 + [encodeArgument(o) for o in opts]
6098 + [encodeFilename(path, True)])
6099
6100 try:
6101 p = subprocess.Popen(
6102 cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
6103 except EnvironmentError as e:
6104 raise XAttrMetadataError(e.errno, e.strerror)
6105 stdout, stderr = process_communicate_or_kill(p)
6106 stderr = stderr.decode('utf-8', 'replace')
6107 if p.returncode != 0:
6108 raise XAttrMetadataError(p.returncode, stderr)
6109
6110 else:
6111 # On Unix, and can't find pyxattr, setfattr, or xattr.
6112 if sys.platform.startswith('linux'):
6113 raise XAttrUnavailableError(
6114 "Couldn't find a tool to set the xattrs. "
6115 "Install either the python 'pyxattr' or 'xattr' "
6116 "modules, or the GNU 'attr' package "
6117 "(which contains the 'setfattr' tool).")
6118 else:
6119 raise XAttrUnavailableError(
6120 "Couldn't find a tool to set the xattrs. "
6121 "Install either the python 'xattr' module, "
6122 "or the 'xattr' binary.")
6123
6124
6125 def random_birthday(year_field, month_field, day_field):
6126 start_date = datetime.date(1950, 1, 1)
6127 end_date = datetime.date(1995, 12, 31)
6128 offset = random.randint(0, (end_date - start_date).days)
6129 random_date = start_date + datetime.timedelta(offset)
6130 return {
6131 year_field: str(random_date.year),
6132 month_field: str(random_date.month),
6133 day_field: str(random_date.day),
6134 }
6135
6136
6137 # Templates for internet shortcut files, which are plain text files.
6138 DOT_URL_LINK_TEMPLATE = '''
6139 [InternetShortcut]
6140 URL=%(url)s
6141 '''.lstrip()
6142
6143 DOT_WEBLOC_LINK_TEMPLATE = '''
6144 <?xml version="1.0" encoding="UTF-8"?>
6145 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
6146 <plist version="1.0">
6147 <dict>
6148 \t<key>URL</key>
6149 \t<string>%(url)s</string>
6150 </dict>
6151 </plist>
6152 '''.lstrip()
6153
6154 DOT_DESKTOP_LINK_TEMPLATE = '''
6155 [Desktop Entry]
6156 Encoding=UTF-8
6157 Name=%(filename)s
6158 Type=Link
6159 URL=%(url)s
6160 Icon=text-html
6161 '''.lstrip()
6162
6163
6164 def iri_to_uri(iri):
6165 """
6166 Converts an IRI (Internationalized Resource Identifier, allowing Unicode characters) to a URI (Uniform Resource Identifier, ASCII-only).
6167
6168 The function doesn't add an additional layer of escaping; e.g., it doesn't escape `%3C` as `%253C`. Instead, it percent-escapes characters with an underlying UTF-8 encoding *besides* those already escaped, leaving the URI intact.
6169 """
6170
6171 iri_parts = compat_urllib_parse_urlparse(iri)
6172
6173 if '[' in iri_parts.netloc:
6174 raise ValueError('IPv6 URIs are not, yet, supported.')
6175 # Querying `.netloc`, when there's only one bracket, also raises a ValueError.
6176
6177 # The `safe` argument values, that the following code uses, contain the characters that should not be percent-encoded. Everything else but letters, digits and '_.-' will be percent-encoded with an underlying UTF-8 encoding. Everything already percent-encoded will be left as is.
6178
6179 net_location = ''
6180 if iri_parts.username:
6181 net_location += compat_urllib_parse_quote(iri_parts.username, safe=r"!$%&'()*+,~")
6182 if iri_parts.password is not None:
6183 net_location += ':' + compat_urllib_parse_quote(iri_parts.password, safe=r"!$%&'()*+,~")
6184 net_location += '@'
6185
6186 net_location += iri_parts.hostname.encode('idna').decode('utf-8') # Punycode for Unicode hostnames.
6187 # The 'idna' encoding produces ASCII text.
6188 if iri_parts.port is not None and iri_parts.port != 80:
6189 net_location += ':' + str(iri_parts.port)
6190
6191 return compat_urllib_parse_urlunparse(
6192 (iri_parts.scheme,
6193 net_location,
6194
6195 compat_urllib_parse_quote_plus(iri_parts.path, safe=r"!$%&'()*+,/:;=@|~"),
6196
6197 # Unsure about the `safe` argument, since this is a legacy way of handling parameters.
6198 compat_urllib_parse_quote_plus(iri_parts.params, safe=r"!$%&'()*+,/:;=@|~"),
6199
6200 # Not totally sure about the `safe` argument, since the source does not explicitly mention the query URI component.
6201 compat_urllib_parse_quote_plus(iri_parts.query, safe=r"!$%&'()*+,/:;=?@{|}~"),
6202
6203 compat_urllib_parse_quote_plus(iri_parts.fragment, safe=r"!#$%&'()*+,/:;=?@{|}~")))
6204
6205 # Source for `safe` arguments: https://url.spec.whatwg.org/#percent-encoded-bytes.
6206
6207
6208 def to_high_limit_path(path):
6209 if sys.platform in ['win32', 'cygwin']:
6210 # Work around MAX_PATH limitation on Windows. The maximum allowed length for the individual path segments may still be quite limited.
6211 return r'\\?\ '.rstrip() + os.path.abspath(path)
6212
6213 return path
6214
6215
6216 def format_field(obj, field=None, template='%s', ignore=(None, ''), default='', func=None):
6217 if field is None:
6218 val = obj if obj is not None else default
6219 else:
6220 val = obj.get(field, default)
6221 if func and val not in ignore:
6222 val = func(val)
6223 return template % val if val not in ignore else default
6224
6225
6226 def clean_podcast_url(url):
6227 return re.sub(r'''(?x)
6228 (?:
6229 (?:
6230 chtbl\.com/track|
6231 media\.blubrry\.com| # https://create.blubrry.com/resources/podcast-media-download-statistics/getting-started/
6232 play\.podtrac\.com
6233 )/[^/]+|
6234 (?:dts|www)\.podtrac\.com/(?:pts/)?redirect\.[0-9a-z]{3,4}| # http://analytics.podtrac.com/how-to-measure
6235 flex\.acast\.com|
6236 pd(?:
6237 cn\.co| # https://podcorn.com/analytics-prefix/
6238 st\.fm # https://podsights.com/docs/
6239 )/e
6240 )/''', '', url)
6241
6242
6243 _HEX_TABLE = '0123456789abcdef'
6244
6245
6246 def random_uuidv4():
6247 return re.sub(r'[xy]', lambda x: _HEX_TABLE[random.randint(0, 15)], 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx')
6248
6249
6250 def make_dir(path, to_screen=None):
6251 try:
6252 dn = os.path.dirname(path)
6253 if dn and not os.path.exists(dn):
6254 os.makedirs(dn)
6255 return True
6256 except (OSError, IOError) as err:
6257 if callable(to_screen) is not None:
6258 to_screen('unable to create directory ' + error_to_compat_str(err))
6259 return False
6260
6261
6262 def get_executable_path():
6263 from zipimport import zipimporter
6264 if hasattr(sys, 'frozen'): # Running from PyInstaller
6265 path = os.path.dirname(sys.executable)
6266 elif isinstance(globals().get('__loader__'), zipimporter): # Running from ZIP
6267 path = os.path.join(os.path.dirname(__file__), '../..')
6268 else:
6269 path = os.path.join(os.path.dirname(__file__), '..')
6270 return os.path.abspath(path)
6271
6272
6273 def load_plugins(name, suffix, namespace):
6274 plugin_info = [None]
6275 classes = []
6276 try:
6277 plugin_info = imp.find_module(
6278 name, [os.path.join(get_executable_path(), 'ytdlp_plugins')])
6279 plugins = imp.load_module(name, *plugin_info)
6280 for name in dir(plugins):
6281 if name in namespace:
6282 continue
6283 if not name.endswith(suffix):
6284 continue
6285 klass = getattr(plugins, name)
6286 classes.append(klass)
6287 namespace[name] = klass
6288 except ImportError:
6289 pass
6290 finally:
6291 if plugin_info[0] is not None:
6292 plugin_info[0].close()
6293 return classes
6294
6295
6296 def traverse_obj(
6297 obj, *path_list, default=None, expected_type=None, get_all=True,
6298 casesense=True, is_user_input=False, traverse_string=False):
6299 ''' Traverse nested list/dict/tuple
6300 @param path_list A list of paths which are checked one by one.
6301 Each path is a list of keys where each key is a string,
6302 a tuple of strings or "...". When a tuple is given,
6303 all the keys given in the tuple are traversed, and
6304 "..." traverses all the keys in the object
6305 @param default Default value to return
6306 @param expected_type Only accept final value of this type (Can also be any callable)
6307 @param get_all Return all the values obtained from a path or only the first one
6308 @param casesense Whether to consider dictionary keys as case sensitive
6309 @param is_user_input Whether the keys are generated from user input. If True,
6310 strings are converted to int/slice if necessary
6311 @param traverse_string Whether to traverse inside strings. If True, any
6312 non-compatible object will also be converted into a string
6313 # TODO: Write tests
6314 '''
6315 if not casesense:
6316 _lower = lambda k: (k.lower() if isinstance(k, str) else k)
6317 path_list = (map(_lower, variadic(path)) for path in path_list)
6318
6319 def _traverse_obj(obj, path, _current_depth=0):
6320 nonlocal depth
6321 if obj is None:
6322 return None
6323 path = tuple(variadic(path))
6324 for i, key in enumerate(path):
6325 if isinstance(key, (list, tuple)):
6326 obj = [_traverse_obj(obj, sub_key, _current_depth) for sub_key in key]
6327 key = ...
6328 if key is ...:
6329 obj = (obj.values() if isinstance(obj, dict)
6330 else obj if isinstance(obj, (list, tuple, LazyList))
6331 else str(obj) if traverse_string else [])
6332 _current_depth += 1
6333 depth = max(depth, _current_depth)
6334 return [_traverse_obj(inner_obj, path[i + 1:], _current_depth) for inner_obj in obj]
6335 elif isinstance(obj, dict) and not (is_user_input and key == ':'):
6336 obj = (obj.get(key) if casesense or (key in obj)
6337 else next((v for k, v in obj.items() if _lower(k) == key), None))
6338 else:
6339 if is_user_input:
6340 key = (int_or_none(key) if ':' not in key
6341 else slice(*map(int_or_none, key.split(':'))))
6342 if key == slice(None):
6343 return _traverse_obj(obj, (..., *path[i + 1:]), _current_depth)
6344 if not isinstance(key, (int, slice)):
6345 return None
6346 if not isinstance(obj, (list, tuple, LazyList)):
6347 if not traverse_string:
6348 return None
6349 obj = str(obj)
6350 try:
6351 obj = obj[key]
6352 except IndexError:
6353 return None
6354 return obj
6355
6356 if isinstance(expected_type, type):
6357 type_test = lambda val: val if isinstance(val, expected_type) else None
6358 elif expected_type is not None:
6359 type_test = expected_type
6360 else:
6361 type_test = lambda val: val
6362
6363 for path in path_list:
6364 depth = 0
6365 val = _traverse_obj(obj, path)
6366 if val is not None:
6367 if depth:
6368 for _ in range(depth - 1):
6369 val = itertools.chain.from_iterable(v for v in val if v is not None)
6370 val = [v for v in map(type_test, val) if v is not None]
6371 if val:
6372 return val if get_all else val[0]
6373 else:
6374 val = type_test(val)
6375 if val is not None:
6376 return val
6377 return default
6378
6379
6380 def traverse_dict(dictn, keys, casesense=True):
6381 ''' For backward compatibility. Do not use '''
6382 return traverse_obj(dictn, keys, casesense=casesense,
6383 is_user_input=True, traverse_string=True)
6384
6385
6386 def variadic(x, allowed_types=(str, bytes)):
6387 return x if isinstance(x, collections.abc.Iterable) and not isinstance(x, allowed_types) else (x,)
6388
6389
6390 # create a JSON Web Signature (jws) with HS256 algorithm
6391 # the resulting format is in JWS Compact Serialization
6392 # implemented following JWT https://www.rfc-editor.org/rfc/rfc7519.html
6393 # implemented following JWS https://www.rfc-editor.org/rfc/rfc7515.html
6394 def jwt_encode_hs256(payload_data, key, headers={}):
6395 header_data = {
6396 'alg': 'HS256',
6397 'typ': 'JWT',
6398 }
6399 if headers:
6400 header_data.update(headers)
6401 header_b64 = base64.b64encode(json.dumps(header_data).encode('utf-8'))
6402 payload_b64 = base64.b64encode(json.dumps(payload_data).encode('utf-8'))
6403 h = hmac.new(key.encode('utf-8'), header_b64 + b'.' + payload_b64, hashlib.sha256)
6404 signature_b64 = base64.b64encode(h.digest())
6405 token = header_b64 + b'.' + payload_b64 + b'.' + signature_b64
6406 return token