]> jfr.im git - yt-dlp.git/blob - yt_dlp/utils.py
[skeb] Add extractor (#1916)
[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 importlib.util
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 import mimetypes
42
43 from .compat import (
44 compat_HTMLParseError,
45 compat_HTMLParser,
46 compat_HTTPError,
47 compat_basestring,
48 compat_chr,
49 compat_cookiejar,
50 compat_ctypes_WINFUNCTYPE,
51 compat_etree_fromstring,
52 compat_expanduser,
53 compat_html_entities,
54 compat_html_entities_html5,
55 compat_http_client,
56 compat_integer_types,
57 compat_numeric_types,
58 compat_kwargs,
59 compat_os_name,
60 compat_parse_qs,
61 compat_shlex_quote,
62 compat_str,
63 compat_struct_pack,
64 compat_struct_unpack,
65 compat_urllib_error,
66 compat_urllib_parse,
67 compat_urllib_parse_urlencode,
68 compat_urllib_parse_urlparse,
69 compat_urllib_parse_urlunparse,
70 compat_urllib_parse_quote,
71 compat_urllib_parse_quote_plus,
72 compat_urllib_parse_unquote_plus,
73 compat_urllib_request,
74 compat_urlparse,
75 compat_xpath,
76 )
77
78 from .socks import (
79 ProxyType,
80 sockssocket,
81 )
82
83
84 def register_socks_protocols():
85 # "Register" SOCKS protocols
86 # In Python < 2.6.5, urlsplit() suffers from bug https://bugs.python.org/issue7904
87 # URLs with protocols not in urlparse.uses_netloc are not handled correctly
88 for scheme in ('socks', 'socks4', 'socks4a', 'socks5'):
89 if scheme not in compat_urlparse.uses_netloc:
90 compat_urlparse.uses_netloc.append(scheme)
91
92
93 # This is not clearly defined otherwise
94 compiled_regex_type = type(re.compile(''))
95
96
97 def random_user_agent():
98 _USER_AGENT_TPL = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/%s Safari/537.36'
99 _CHROME_VERSIONS = (
100 '74.0.3729.129',
101 '76.0.3780.3',
102 '76.0.3780.2',
103 '74.0.3729.128',
104 '76.0.3780.1',
105 '76.0.3780.0',
106 '75.0.3770.15',
107 '74.0.3729.127',
108 '74.0.3729.126',
109 '76.0.3779.1',
110 '76.0.3779.0',
111 '75.0.3770.14',
112 '74.0.3729.125',
113 '76.0.3778.1',
114 '76.0.3778.0',
115 '75.0.3770.13',
116 '74.0.3729.124',
117 '74.0.3729.123',
118 '73.0.3683.121',
119 '76.0.3777.1',
120 '76.0.3777.0',
121 '75.0.3770.12',
122 '74.0.3729.122',
123 '76.0.3776.4',
124 '75.0.3770.11',
125 '74.0.3729.121',
126 '76.0.3776.3',
127 '76.0.3776.2',
128 '73.0.3683.120',
129 '74.0.3729.120',
130 '74.0.3729.119',
131 '74.0.3729.118',
132 '76.0.3776.1',
133 '76.0.3776.0',
134 '76.0.3775.5',
135 '75.0.3770.10',
136 '74.0.3729.117',
137 '76.0.3775.4',
138 '76.0.3775.3',
139 '74.0.3729.116',
140 '75.0.3770.9',
141 '76.0.3775.2',
142 '76.0.3775.1',
143 '76.0.3775.0',
144 '75.0.3770.8',
145 '74.0.3729.115',
146 '74.0.3729.114',
147 '76.0.3774.1',
148 '76.0.3774.0',
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162 '74.0.3729.107',
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164 '76.0.3771.0',
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184 '75.0.3769.1',
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190 '75.0.3768.5',
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192 '75.0.3768.3',
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211 '75.0.3766.1',
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1257 '72.0.3581.0',
1258 '71.0.3578.8',
1259 '70.0.3538.66',
1260 '72.0.3580.1',
1261 '72.0.3580.0',
1262 '71.0.3578.7',
1263 '70.0.3538.65',
1264 '71.0.3578.6',
1265 '72.0.3579.1',
1266 '72.0.3579.0',
1267 '71.0.3578.5',
1268 '70.0.3538.64',
1269 '71.0.3578.4',
1270 '71.0.3578.3',
1271 '71.0.3578.2',
1272 '71.0.3578.1',
1273 '71.0.3578.0',
1274 '70.0.3538.63',
1275 '69.0.3497.128',
1276 '70.0.3538.62',
1277 '70.0.3538.61',
1278 '70.0.3538.60',
1279 '70.0.3538.59',
1280 '71.0.3577.1',
1281 '71.0.3577.0',
1282 '70.0.3538.58',
1283 '69.0.3497.127',
1284 '71.0.3576.2',
1285 '71.0.3576.1',
1286 '71.0.3576.0',
1287 '70.0.3538.57',
1288 '70.0.3538.56',
1289 '71.0.3575.2',
1290 '70.0.3538.55',
1291 '69.0.3497.126',
1292 '70.0.3538.54',
1293 '71.0.3575.1',
1294 '71.0.3575.0',
1295 '71.0.3574.1',
1296 '71.0.3574.0',
1297 '70.0.3538.53',
1298 '69.0.3497.125',
1299 '70.0.3538.52',
1300 '71.0.3573.1',
1301 '71.0.3573.0',
1302 '70.0.3538.51',
1303 '69.0.3497.124',
1304 '71.0.3572.1',
1305 '71.0.3572.0',
1306 '70.0.3538.50',
1307 '69.0.3497.123',
1308 '71.0.3571.2',
1309 '70.0.3538.49',
1310 '69.0.3497.122',
1311 '71.0.3571.1',
1312 '71.0.3571.0',
1313 '70.0.3538.48',
1314 '69.0.3497.121',
1315 '71.0.3570.1',
1316 '71.0.3570.0',
1317 '70.0.3538.47',
1318 '69.0.3497.120',
1319 '71.0.3568.2',
1320 '71.0.3569.1',
1321 '71.0.3569.0',
1322 '70.0.3538.46',
1323 '69.0.3497.119',
1324 '70.0.3538.45',
1325 '71.0.3568.1',
1326 '71.0.3568.0',
1327 '70.0.3538.44',
1328 '69.0.3497.118',
1329 '70.0.3538.43',
1330 '70.0.3538.42',
1331 '71.0.3567.1',
1332 '71.0.3567.0',
1333 '70.0.3538.41',
1334 '69.0.3497.117',
1335 '71.0.3566.1',
1336 '71.0.3566.0',
1337 '70.0.3538.40',
1338 '69.0.3497.116',
1339 '71.0.3565.1',
1340 '71.0.3565.0',
1341 '70.0.3538.39',
1342 '69.0.3497.115',
1343 '71.0.3564.1',
1344 '71.0.3564.0',
1345 '70.0.3538.38',
1346 '69.0.3497.114',
1347 '71.0.3563.0',
1348 '71.0.3562.2',
1349 '70.0.3538.37',
1350 '69.0.3497.113',
1351 '70.0.3538.36',
1352 '70.0.3538.35',
1353 '71.0.3562.1',
1354 '71.0.3562.0',
1355 '70.0.3538.34',
1356 '69.0.3497.112',
1357 '70.0.3538.33',
1358 '71.0.3561.1',
1359 '71.0.3561.0',
1360 '70.0.3538.32',
1361 '69.0.3497.111',
1362 '71.0.3559.6',
1363 '71.0.3560.1',
1364 '71.0.3560.0',
1365 '71.0.3559.5',
1366 '71.0.3559.4',
1367 '70.0.3538.31',
1368 '69.0.3497.110',
1369 '71.0.3559.3',
1370 '70.0.3538.30',
1371 '69.0.3497.109',
1372 '71.0.3559.2',
1373 '71.0.3559.1',
1374 '71.0.3559.0',
1375 '70.0.3538.29',
1376 '69.0.3497.108',
1377 '71.0.3558.2',
1378 '71.0.3558.1',
1379 '71.0.3558.0',
1380 '70.0.3538.28',
1381 '69.0.3497.107',
1382 '71.0.3557.2',
1383 '71.0.3557.1',
1384 '71.0.3557.0',
1385 '70.0.3538.27',
1386 '69.0.3497.106',
1387 '71.0.3554.4',
1388 '70.0.3538.26',
1389 '71.0.3556.1',
1390 '71.0.3556.0',
1391 '70.0.3538.25',
1392 '71.0.3554.3',
1393 '69.0.3497.105',
1394 '71.0.3554.2',
1395 '70.0.3538.24',
1396 '69.0.3497.104',
1397 '71.0.3555.2',
1398 '70.0.3538.23',
1399 '71.0.3555.1',
1400 '71.0.3555.0',
1401 '70.0.3538.22',
1402 '69.0.3497.103',
1403 '71.0.3554.1',
1404 '71.0.3554.0',
1405 '70.0.3538.21',
1406 '69.0.3497.102',
1407 '71.0.3553.3',
1408 '70.0.3538.20',
1409 '69.0.3497.101',
1410 '71.0.3553.2',
1411 '69.0.3497.100',
1412 '71.0.3553.1',
1413 '71.0.3553.0',
1414 '70.0.3538.19',
1415 '69.0.3497.99',
1416 '69.0.3497.98',
1417 '69.0.3497.97',
1418 '71.0.3552.6',
1419 '71.0.3552.5',
1420 '71.0.3552.4',
1421 '71.0.3552.3',
1422 '71.0.3552.2',
1423 '71.0.3552.1',
1424 '71.0.3552.0',
1425 '70.0.3538.18',
1426 '69.0.3497.96',
1427 '71.0.3551.3',
1428 '71.0.3551.2',
1429 '71.0.3551.1',
1430 '71.0.3551.0',
1431 '70.0.3538.17',
1432 '69.0.3497.95',
1433 '71.0.3550.3',
1434 '71.0.3550.2',
1435 '71.0.3550.1',
1436 '71.0.3550.0',
1437 '70.0.3538.16',
1438 '69.0.3497.94',
1439 '71.0.3549.1',
1440 '71.0.3549.0',
1441 '70.0.3538.15',
1442 '69.0.3497.93',
1443 '69.0.3497.92',
1444 '71.0.3548.1',
1445 '71.0.3548.0',
1446 '70.0.3538.14',
1447 '69.0.3497.91',
1448 '71.0.3547.1',
1449 '71.0.3547.0',
1450 '70.0.3538.13',
1451 '69.0.3497.90',
1452 '71.0.3546.2',
1453 '69.0.3497.89',
1454 '71.0.3546.1',
1455 '71.0.3546.0',
1456 '70.0.3538.12',
1457 '69.0.3497.88',
1458 '71.0.3545.4',
1459 '71.0.3545.3',
1460 '71.0.3545.2',
1461 '71.0.3545.1',
1462 '71.0.3545.0',
1463 '70.0.3538.11',
1464 '69.0.3497.87',
1465 '71.0.3544.5',
1466 '71.0.3544.4',
1467 '71.0.3544.3',
1468 '71.0.3544.2',
1469 '71.0.3544.1',
1470 '71.0.3544.0',
1471 '69.0.3497.86',
1472 '70.0.3538.10',
1473 '69.0.3497.85',
1474 '70.0.3538.9',
1475 '69.0.3497.84',
1476 '71.0.3543.4',
1477 '70.0.3538.8',
1478 '71.0.3543.3',
1479 '71.0.3543.2',
1480 '71.0.3543.1',
1481 '71.0.3543.0',
1482 '70.0.3538.7',
1483 '69.0.3497.83',
1484 '71.0.3542.2',
1485 '71.0.3542.1',
1486 '71.0.3542.0',
1487 '70.0.3538.6',
1488 '69.0.3497.82',
1489 '69.0.3497.81',
1490 '71.0.3541.1',
1491 '71.0.3541.0',
1492 '70.0.3538.5',
1493 '69.0.3497.80',
1494 '71.0.3540.1',
1495 '71.0.3540.0',
1496 '70.0.3538.4',
1497 '69.0.3497.79',
1498 '70.0.3538.3',
1499 '71.0.3539.1',
1500 '71.0.3539.0',
1501 '69.0.3497.78',
1502 '68.0.3440.134',
1503 '69.0.3497.77',
1504 '70.0.3538.2',
1505 '70.0.3538.1',
1506 '70.0.3538.0',
1507 '69.0.3497.76',
1508 '68.0.3440.133',
1509 '69.0.3497.75',
1510 '70.0.3537.2',
1511 '70.0.3537.1',
1512 '70.0.3537.0',
1513 '69.0.3497.74',
1514 '68.0.3440.132',
1515 '70.0.3536.0',
1516 '70.0.3535.5',
1517 '70.0.3535.4',
1518 '70.0.3535.3',
1519 '69.0.3497.73',
1520 '68.0.3440.131',
1521 '70.0.3532.8',
1522 '70.0.3532.7',
1523 '69.0.3497.72',
1524 '69.0.3497.71',
1525 '70.0.3535.2',
1526 '70.0.3535.1',
1527 '70.0.3535.0',
1528 '69.0.3497.70',
1529 '68.0.3440.130',
1530 '69.0.3497.69',
1531 '68.0.3440.129',
1532 '70.0.3534.4',
1533 '70.0.3534.3',
1534 '70.0.3534.2',
1535 '70.0.3534.1',
1536 '70.0.3534.0',
1537 '69.0.3497.68',
1538 '68.0.3440.128',
1539 '70.0.3533.2',
1540 '70.0.3533.1',
1541 '70.0.3533.0',
1542 '69.0.3497.67',
1543 '68.0.3440.127',
1544 '70.0.3532.6',
1545 '70.0.3532.5',
1546 '70.0.3532.4',
1547 '69.0.3497.66',
1548 '68.0.3440.126',
1549 '70.0.3532.3',
1550 '70.0.3532.2',
1551 '70.0.3532.1',
1552 '69.0.3497.60',
1553 '69.0.3497.65',
1554 '69.0.3497.64',
1555 '70.0.3532.0',
1556 '70.0.3531.0',
1557 '70.0.3530.4',
1558 '70.0.3530.3',
1559 '70.0.3530.2',
1560 '69.0.3497.58',
1561 '68.0.3440.125',
1562 '69.0.3497.57',
1563 '69.0.3497.56',
1564 '69.0.3497.55',
1565 '69.0.3497.54',
1566 '70.0.3530.1',
1567 '70.0.3530.0',
1568 '69.0.3497.53',
1569 '68.0.3440.124',
1570 '69.0.3497.52',
1571 '70.0.3529.3',
1572 '70.0.3529.2',
1573 '70.0.3529.1',
1574 '70.0.3529.0',
1575 '69.0.3497.51',
1576 '70.0.3528.4',
1577 '68.0.3440.123',
1578 '70.0.3528.3',
1579 '70.0.3528.2',
1580 '70.0.3528.1',
1581 '70.0.3528.0',
1582 '69.0.3497.50',
1583 '68.0.3440.122',
1584 '70.0.3527.1',
1585 '70.0.3527.0',
1586 '69.0.3497.49',
1587 '68.0.3440.121',
1588 '70.0.3526.1',
1589 '70.0.3526.0',
1590 '68.0.3440.120',
1591 '69.0.3497.48',
1592 '69.0.3497.47',
1593 '68.0.3440.119',
1594 '68.0.3440.118',
1595 '70.0.3525.5',
1596 '70.0.3525.4',
1597 '70.0.3525.3',
1598 '68.0.3440.117',
1599 '69.0.3497.46',
1600 '70.0.3525.2',
1601 '70.0.3525.1',
1602 '70.0.3525.0',
1603 '69.0.3497.45',
1604 '68.0.3440.116',
1605 '70.0.3524.4',
1606 '70.0.3524.3',
1607 '69.0.3497.44',
1608 '70.0.3524.2',
1609 '70.0.3524.1',
1610 '70.0.3524.0',
1611 '70.0.3523.2',
1612 '69.0.3497.43',
1613 '68.0.3440.115',
1614 '70.0.3505.9',
1615 '69.0.3497.42',
1616 '70.0.3505.8',
1617 '70.0.3523.1',
1618 '70.0.3523.0',
1619 '69.0.3497.41',
1620 '68.0.3440.114',
1621 '70.0.3505.7',
1622 '69.0.3497.40',
1623 '70.0.3522.1',
1624 '70.0.3522.0',
1625 '70.0.3521.2',
1626 '69.0.3497.39',
1627 '68.0.3440.113',
1628 '70.0.3505.6',
1629 '70.0.3521.1',
1630 '70.0.3521.0',
1631 '69.0.3497.38',
1632 '68.0.3440.112',
1633 '70.0.3520.1',
1634 '70.0.3520.0',
1635 '69.0.3497.37',
1636 '68.0.3440.111',
1637 '70.0.3519.3',
1638 '70.0.3519.2',
1639 '70.0.3519.1',
1640 '70.0.3519.0',
1641 '69.0.3497.36',
1642 '68.0.3440.110',
1643 '70.0.3518.1',
1644 '70.0.3518.0',
1645 '69.0.3497.35',
1646 '69.0.3497.34',
1647 '68.0.3440.109',
1648 '70.0.3517.1',
1649 '70.0.3517.0',
1650 '69.0.3497.33',
1651 '68.0.3440.108',
1652 '69.0.3497.32',
1653 '70.0.3516.3',
1654 '70.0.3516.2',
1655 '70.0.3516.1',
1656 '70.0.3516.0',
1657 '69.0.3497.31',
1658 '68.0.3440.107',
1659 '70.0.3515.4',
1660 '68.0.3440.106',
1661 '70.0.3515.3',
1662 '70.0.3515.2',
1663 '70.0.3515.1',
1664 '70.0.3515.0',
1665 '69.0.3497.30',
1666 '68.0.3440.105',
1667 '68.0.3440.104',
1668 '70.0.3514.2',
1669 '70.0.3514.1',
1670 '70.0.3514.0',
1671 '69.0.3497.29',
1672 '68.0.3440.103',
1673 '70.0.3513.1',
1674 '70.0.3513.0',
1675 '69.0.3497.28',
1676 )
1677 return _USER_AGENT_TPL % random.choice(_CHROME_VERSIONS)
1678
1679
1680 std_headers = {
1681 'User-Agent': random_user_agent(),
1682 'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
1683 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
1684 'Accept-Encoding': 'gzip, deflate',
1685 'Accept-Language': 'en-us,en;q=0.5',
1686 }
1687
1688
1689 USER_AGENTS = {
1690 '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',
1691 }
1692
1693
1694 NO_DEFAULT = object()
1695
1696 ENGLISH_MONTH_NAMES = [
1697 'January', 'February', 'March', 'April', 'May', 'June',
1698 'July', 'August', 'September', 'October', 'November', 'December']
1699
1700 MONTH_NAMES = {
1701 'en': ENGLISH_MONTH_NAMES,
1702 'fr': [
1703 'janvier', 'février', 'mars', 'avril', 'mai', 'juin',
1704 'juillet', 'août', 'septembre', 'octobre', 'novembre', 'décembre'],
1705 }
1706
1707 KNOWN_EXTENSIONS = (
1708 'mp4', 'm4a', 'm4p', 'm4b', 'm4r', 'm4v', 'aac',
1709 'flv', 'f4v', 'f4a', 'f4b',
1710 'webm', 'ogg', 'ogv', 'oga', 'ogx', 'spx', 'opus',
1711 'mkv', 'mka', 'mk3d',
1712 'avi', 'divx',
1713 'mov',
1714 'asf', 'wmv', 'wma',
1715 '3gp', '3g2',
1716 'mp3',
1717 'flac',
1718 'ape',
1719 'wav',
1720 'f4f', 'f4m', 'm3u8', 'smil')
1721
1722 # needed for sanitizing filenames in restricted mode
1723 ACCENT_CHARS = dict(zip('ÂÃÄÀÁÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖŐØŒÙÚÛÜŰÝÞßàáâãäåæçèéêëìíîïðñòóôõöőøœùúûüűýþÿ',
1724 itertools.chain('AAAAAA', ['AE'], 'CEEEEIIIIDNOOOOOOO', ['OE'], 'UUUUUY', ['TH', 'ss'],
1725 'aaaaaa', ['ae'], 'ceeeeiiiionooooooo', ['oe'], 'uuuuuy', ['th'], 'y')))
1726
1727 DATE_FORMATS = (
1728 '%d %B %Y',
1729 '%d %b %Y',
1730 '%B %d %Y',
1731 '%B %dst %Y',
1732 '%B %dnd %Y',
1733 '%B %drd %Y',
1734 '%B %dth %Y',
1735 '%b %d %Y',
1736 '%b %dst %Y',
1737 '%b %dnd %Y',
1738 '%b %drd %Y',
1739 '%b %dth %Y',
1740 '%b %dst %Y %I:%M',
1741 '%b %dnd %Y %I:%M',
1742 '%b %drd %Y %I:%M',
1743 '%b %dth %Y %I:%M',
1744 '%Y %m %d',
1745 '%Y-%m-%d',
1746 '%Y.%m.%d.',
1747 '%Y/%m/%d',
1748 '%Y/%m/%d %H:%M',
1749 '%Y/%m/%d %H:%M:%S',
1750 '%Y%m%d%H%M',
1751 '%Y%m%d%H%M%S',
1752 '%Y-%m-%d %H:%M',
1753 '%Y-%m-%d %H:%M:%S',
1754 '%Y-%m-%d %H:%M:%S.%f',
1755 '%Y-%m-%d %H:%M:%S:%f',
1756 '%d.%m.%Y %H:%M',
1757 '%d.%m.%Y %H.%M',
1758 '%Y-%m-%dT%H:%M:%SZ',
1759 '%Y-%m-%dT%H:%M:%S.%fZ',
1760 '%Y-%m-%dT%H:%M:%S.%f0Z',
1761 '%Y-%m-%dT%H:%M:%S',
1762 '%Y-%m-%dT%H:%M:%S.%f',
1763 '%Y-%m-%dT%H:%M',
1764 '%b %d %Y at %H:%M',
1765 '%b %d %Y at %H:%M:%S',
1766 '%B %d %Y at %H:%M',
1767 '%B %d %Y at %H:%M:%S',
1768 '%H:%M %d-%b-%Y',
1769 )
1770
1771 DATE_FORMATS_DAY_FIRST = list(DATE_FORMATS)
1772 DATE_FORMATS_DAY_FIRST.extend([
1773 '%d-%m-%Y',
1774 '%d.%m.%Y',
1775 '%d.%m.%y',
1776 '%d/%m/%Y',
1777 '%d/%m/%y',
1778 '%d/%m/%Y %H:%M:%S',
1779 ])
1780
1781 DATE_FORMATS_MONTH_FIRST = list(DATE_FORMATS)
1782 DATE_FORMATS_MONTH_FIRST.extend([
1783 '%m-%d-%Y',
1784 '%m.%d.%Y',
1785 '%m/%d/%Y',
1786 '%m/%d/%y',
1787 '%m/%d/%Y %H:%M:%S',
1788 ])
1789
1790 PACKED_CODES_RE = r"}\('(.+)',(\d+),(\d+),'([^']+)'\.split\('\|'\)"
1791 JSON_LD_RE = r'(?is)<script[^>]+type=(["\']?)application/ld\+json\1[^>]*>(?P<json_ld>.+?)</script>'
1792
1793
1794 def preferredencoding():
1795 """Get preferred encoding.
1796
1797 Returns the best encoding scheme for the system, based on
1798 locale.getpreferredencoding() and some further tweaks.
1799 """
1800 try:
1801 pref = locale.getpreferredencoding()
1802 'TEST'.encode(pref)
1803 except Exception:
1804 pref = 'UTF-8'
1805
1806 return pref
1807
1808
1809 def write_json_file(obj, fn):
1810 """ Encode obj as JSON and write it to fn, atomically if possible """
1811
1812 fn = encodeFilename(fn)
1813 if sys.version_info < (3, 0) and sys.platform != 'win32':
1814 encoding = get_filesystem_encoding()
1815 # os.path.basename returns a bytes object, but NamedTemporaryFile
1816 # will fail if the filename contains non ascii characters unless we
1817 # use a unicode object
1818 path_basename = lambda f: os.path.basename(fn).decode(encoding)
1819 # the same for os.path.dirname
1820 path_dirname = lambda f: os.path.dirname(fn).decode(encoding)
1821 else:
1822 path_basename = os.path.basename
1823 path_dirname = os.path.dirname
1824
1825 args = {
1826 'suffix': '.tmp',
1827 'prefix': path_basename(fn) + '.',
1828 'dir': path_dirname(fn),
1829 'delete': False,
1830 }
1831
1832 # In Python 2.x, json.dump expects a bytestream.
1833 # In Python 3.x, it writes to a character stream
1834 if sys.version_info < (3, 0):
1835 args['mode'] = 'wb'
1836 else:
1837 args.update({
1838 'mode': 'w',
1839 'encoding': 'utf-8',
1840 })
1841
1842 tf = tempfile.NamedTemporaryFile(**compat_kwargs(args))
1843
1844 try:
1845 with tf:
1846 json.dump(obj, tf)
1847 if sys.platform == 'win32':
1848 # Need to remove existing file on Windows, else os.rename raises
1849 # WindowsError or FileExistsError.
1850 try:
1851 os.unlink(fn)
1852 except OSError:
1853 pass
1854 try:
1855 mask = os.umask(0)
1856 os.umask(mask)
1857 os.chmod(tf.name, 0o666 & ~mask)
1858 except OSError:
1859 pass
1860 os.rename(tf.name, fn)
1861 except Exception:
1862 try:
1863 os.remove(tf.name)
1864 except OSError:
1865 pass
1866 raise
1867
1868
1869 if sys.version_info >= (2, 7):
1870 def find_xpath_attr(node, xpath, key, val=None):
1871 """ Find the xpath xpath[@key=val] """
1872 assert re.match(r'^[a-zA-Z_-]+$', key)
1873 expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val))
1874 return node.find(expr)
1875 else:
1876 def find_xpath_attr(node, xpath, key, val=None):
1877 for f in node.findall(compat_xpath(xpath)):
1878 if key not in f.attrib:
1879 continue
1880 if val is None or f.attrib.get(key) == val:
1881 return f
1882 return None
1883
1884 # On python2.6 the xml.etree.ElementTree.Element methods don't support
1885 # the namespace parameter
1886
1887
1888 def xpath_with_ns(path, ns_map):
1889 components = [c.split(':') for c in path.split('/')]
1890 replaced = []
1891 for c in components:
1892 if len(c) == 1:
1893 replaced.append(c[0])
1894 else:
1895 ns, tag = c
1896 replaced.append('{%s}%s' % (ns_map[ns], tag))
1897 return '/'.join(replaced)
1898
1899
1900 def xpath_element(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
1901 def _find_xpath(xpath):
1902 return node.find(compat_xpath(xpath))
1903
1904 if isinstance(xpath, (str, compat_str)):
1905 n = _find_xpath(xpath)
1906 else:
1907 for xp in xpath:
1908 n = _find_xpath(xp)
1909 if n is not None:
1910 break
1911
1912 if n is None:
1913 if default is not NO_DEFAULT:
1914 return default
1915 elif fatal:
1916 name = xpath if name is None else name
1917 raise ExtractorError('Could not find XML element %s' % name)
1918 else:
1919 return None
1920 return n
1921
1922
1923 def xpath_text(node, xpath, name=None, fatal=False, default=NO_DEFAULT):
1924 n = xpath_element(node, xpath, name, fatal=fatal, default=default)
1925 if n is None or n == default:
1926 return n
1927 if n.text is None:
1928 if default is not NO_DEFAULT:
1929 return default
1930 elif fatal:
1931 name = xpath if name is None else name
1932 raise ExtractorError('Could not find XML element\'s text %s' % name)
1933 else:
1934 return None
1935 return n.text
1936
1937
1938 def xpath_attr(node, xpath, key, name=None, fatal=False, default=NO_DEFAULT):
1939 n = find_xpath_attr(node, xpath, key)
1940 if n is None:
1941 if default is not NO_DEFAULT:
1942 return default
1943 elif fatal:
1944 name = '%s[@%s]' % (xpath, key) if name is None else name
1945 raise ExtractorError('Could not find XML attribute %s' % name)
1946 else:
1947 return None
1948 return n.attrib[key]
1949
1950
1951 def get_element_by_id(id, html):
1952 """Return the content of the tag with the specified ID in the passed HTML document"""
1953 return get_element_by_attribute('id', id, html)
1954
1955
1956 def get_element_by_class(class_name, html):
1957 """Return the content of the first tag with the specified class in the passed HTML document"""
1958 retval = get_elements_by_class(class_name, html)
1959 return retval[0] if retval else None
1960
1961
1962 def get_element_by_attribute(attribute, value, html, escape_value=True):
1963 retval = get_elements_by_attribute(attribute, value, html, escape_value)
1964 return retval[0] if retval else None
1965
1966
1967 def get_elements_by_class(class_name, html):
1968 """Return the content of all tags with the specified class in the passed HTML document as a list"""
1969 return get_elements_by_attribute(
1970 'class', r'[^\'"]*\b%s\b[^\'"]*' % re.escape(class_name),
1971 html, escape_value=False)
1972
1973
1974 def get_elements_by_attribute(attribute, value, html, escape_value=True):
1975 """Return the content of the tag with the specified attribute in the passed HTML document"""
1976
1977 value = re.escape(value) if escape_value else value
1978
1979 retlist = []
1980 for m in re.finditer(r'''(?xs)
1981 <([a-zA-Z0-9:._-]+)
1982 (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*?
1983 \s+%s=['"]?%s['"]?
1984 (?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]*|="[^"]*"|='[^']*'|))*?
1985 \s*>
1986 (?P<content>.*?)
1987 </\1>
1988 ''' % (re.escape(attribute), value), html):
1989 res = m.group('content')
1990
1991 if res.startswith('"') or res.startswith("'"):
1992 res = res[1:-1]
1993
1994 retlist.append(unescapeHTML(res))
1995
1996 return retlist
1997
1998
1999 class HTMLAttributeParser(compat_HTMLParser):
2000 """Trivial HTML parser to gather the attributes for a single element"""
2001
2002 def __init__(self):
2003 self.attrs = {}
2004 compat_HTMLParser.__init__(self)
2005
2006 def handle_starttag(self, tag, attrs):
2007 self.attrs = dict(attrs)
2008
2009
2010 class HTMLListAttrsParser(compat_HTMLParser):
2011 """HTML parser to gather the attributes for the elements of a list"""
2012
2013 def __init__(self):
2014 compat_HTMLParser.__init__(self)
2015 self.items = []
2016 self._level = 0
2017
2018 def handle_starttag(self, tag, attrs):
2019 if tag == 'li' and self._level == 0:
2020 self.items.append(dict(attrs))
2021 self._level += 1
2022
2023 def handle_endtag(self, tag):
2024 self._level -= 1
2025
2026
2027 def extract_attributes(html_element):
2028 """Given a string for an HTML element such as
2029 <el
2030 a="foo" B="bar" c="&98;az" d=boz
2031 empty= noval entity="&amp;"
2032 sq='"' dq="'"
2033 >
2034 Decode and return a dictionary of attributes.
2035 {
2036 'a': 'foo', 'b': 'bar', c: 'baz', d: 'boz',
2037 'empty': '', 'noval': None, 'entity': '&',
2038 'sq': '"', 'dq': '\''
2039 }.
2040 NB HTMLParser is stricter in Python 2.6 & 3.2 than in later versions,
2041 but the cases in the unit test will work for all of 2.6, 2.7, 3.2-3.5.
2042 """
2043 parser = HTMLAttributeParser()
2044 try:
2045 parser.feed(html_element)
2046 parser.close()
2047 # Older Python may throw HTMLParseError in case of malformed HTML
2048 except compat_HTMLParseError:
2049 pass
2050 return parser.attrs
2051
2052
2053 def parse_list(webpage):
2054 """Given a string for an series of HTML <li> elements,
2055 return a dictionary of their attributes"""
2056 parser = HTMLListAttrsParser()
2057 parser.feed(webpage)
2058 parser.close()
2059 return parser.items
2060
2061
2062 def clean_html(html):
2063 """Clean an HTML snippet into a readable string"""
2064
2065 if html is None: # Convenience for sanitizing descriptions etc.
2066 return html
2067
2068 # Newline vs <br />
2069 html = html.replace('\n', ' ')
2070 html = re.sub(r'(?u)\s*<\s*br\s*/?\s*>\s*', '\n', html)
2071 html = re.sub(r'(?u)<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
2072 # Strip html tags
2073 html = re.sub('<.*?>', '', html)
2074 # Replace html entities
2075 html = unescapeHTML(html)
2076 return html.strip()
2077
2078
2079 def sanitize_open(filename, open_mode):
2080 """Try to open the given filename, and slightly tweak it if this fails.
2081
2082 Attempts to open the given filename. If this fails, it tries to change
2083 the filename slightly, step by step, until it's either able to open it
2084 or it fails and raises a final exception, like the standard open()
2085 function.
2086
2087 It returns the tuple (stream, definitive_file_name).
2088 """
2089 try:
2090 if filename == '-':
2091 if sys.platform == 'win32':
2092 import msvcrt
2093 msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
2094 return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename)
2095 stream = open(encodeFilename(filename), open_mode)
2096 return (stream, filename)
2097 except (IOError, OSError) as err:
2098 if err.errno in (errno.EACCES,):
2099 raise
2100
2101 # In case of error, try to remove win32 forbidden chars
2102 alt_filename = sanitize_path(filename)
2103 if alt_filename == filename:
2104 raise
2105 else:
2106 # An exception here should be caught in the caller
2107 stream = open(encodeFilename(alt_filename), open_mode)
2108 return (stream, alt_filename)
2109
2110
2111 def timeconvert(timestr):
2112 """Convert RFC 2822 defined time string into system timestamp"""
2113 timestamp = None
2114 timetuple = email.utils.parsedate_tz(timestr)
2115 if timetuple is not None:
2116 timestamp = email.utils.mktime_tz(timetuple)
2117 return timestamp
2118
2119
2120 def sanitize_filename(s, restricted=False, is_id=False):
2121 """Sanitizes a string so it could be used as part of a filename.
2122 If restricted is set, use a stricter subset of allowed characters.
2123 Set is_id if this is not an arbitrary string, but an ID that should be kept
2124 if possible.
2125 """
2126 def replace_insane(char):
2127 if restricted and char in ACCENT_CHARS:
2128 return ACCENT_CHARS[char]
2129 elif not restricted and char == '\n':
2130 return ' '
2131 elif char == '?' or ord(char) < 32 or ord(char) == 127:
2132 return ''
2133 elif char == '"':
2134 return '' if restricted else '\''
2135 elif char == ':':
2136 return '_-' if restricted else ' -'
2137 elif char in '\\/|*<>':
2138 return '_'
2139 if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace()):
2140 return '_'
2141 if restricted and ord(char) > 127:
2142 return '_'
2143 return char
2144
2145 if s == '':
2146 return ''
2147 # Handle timestamps
2148 s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s)
2149 result = ''.join(map(replace_insane, s))
2150 if not is_id:
2151 while '__' in result:
2152 result = result.replace('__', '_')
2153 result = result.strip('_')
2154 # Common case of "Foreign band name - English song title"
2155 if restricted and result.startswith('-_'):
2156 result = result[2:]
2157 if result.startswith('-'):
2158 result = '_' + result[len('-'):]
2159 result = result.lstrip('.')
2160 if not result:
2161 result = '_'
2162 return result
2163
2164
2165 def sanitize_path(s, force=False):
2166 """Sanitizes and normalizes path on Windows"""
2167 if sys.platform == 'win32':
2168 force = False
2169 drive_or_unc, _ = os.path.splitdrive(s)
2170 if sys.version_info < (2, 7) and not drive_or_unc:
2171 drive_or_unc, _ = os.path.splitunc(s)
2172 elif force:
2173 drive_or_unc = ''
2174 else:
2175 return s
2176
2177 norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep)
2178 if drive_or_unc:
2179 norm_path.pop(0)
2180 sanitized_path = [
2181 path_part if path_part in ['.', '..'] else re.sub(r'(?:[/<>:"\|\\?\*]|[\s.]$)', '#', path_part)
2182 for path_part in norm_path]
2183 if drive_or_unc:
2184 sanitized_path.insert(0, drive_or_unc + os.path.sep)
2185 elif force and s[0] == os.path.sep:
2186 sanitized_path.insert(0, os.path.sep)
2187 return os.path.join(*sanitized_path)
2188
2189
2190 def sanitize_url(url):
2191 # Prepend protocol-less URLs with `http:` scheme in order to mitigate
2192 # the number of unwanted failures due to missing protocol
2193 if url.startswith('//'):
2194 return 'http:%s' % url
2195 # Fix some common typos seen so far
2196 COMMON_TYPOS = (
2197 # https://github.com/ytdl-org/youtube-dl/issues/15649
2198 (r'^httpss://', r'https://'),
2199 # https://bx1.be/lives/direct-tv/
2200 (r'^rmtp([es]?)://', r'rtmp\1://'),
2201 )
2202 for mistake, fixup in COMMON_TYPOS:
2203 if re.match(mistake, url):
2204 return re.sub(mistake, fixup, url)
2205 return url
2206
2207
2208 def extract_basic_auth(url):
2209 parts = compat_urlparse.urlsplit(url)
2210 if parts.username is None:
2211 return url, None
2212 url = compat_urlparse.urlunsplit(parts._replace(netloc=(
2213 parts.hostname if parts.port is None
2214 else '%s:%d' % (parts.hostname, parts.port))))
2215 auth_payload = base64.b64encode(
2216 ('%s:%s' % (parts.username, parts.password or '')).encode('utf-8'))
2217 return url, 'Basic ' + auth_payload.decode('utf-8')
2218
2219
2220 def sanitized_Request(url, *args, **kwargs):
2221 url, auth_header = extract_basic_auth(escape_url(sanitize_url(url)))
2222 if auth_header is not None:
2223 headers = args[1] if len(args) >= 2 else kwargs.setdefault('headers', {})
2224 headers['Authorization'] = auth_header
2225 return compat_urllib_request.Request(url, *args, **kwargs)
2226
2227
2228 def expand_path(s):
2229 """Expand shell variables and ~"""
2230 return os.path.expandvars(compat_expanduser(s))
2231
2232
2233 def orderedSet(iterable):
2234 """ Remove all duplicates from the input iterable """
2235 res = []
2236 for el in iterable:
2237 if el not in res:
2238 res.append(el)
2239 return res
2240
2241
2242 def _htmlentity_transform(entity_with_semicolon):
2243 """Transforms an HTML entity to a character."""
2244 entity = entity_with_semicolon[:-1]
2245
2246 # Known non-numeric HTML entity
2247 if entity in compat_html_entities.name2codepoint:
2248 return compat_chr(compat_html_entities.name2codepoint[entity])
2249
2250 # TODO: HTML5 allows entities without a semicolon. For example,
2251 # '&Eacuteric' should be decoded as 'Éric'.
2252 if entity_with_semicolon in compat_html_entities_html5:
2253 return compat_html_entities_html5[entity_with_semicolon]
2254
2255 mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity)
2256 if mobj is not None:
2257 numstr = mobj.group(1)
2258 if numstr.startswith('x'):
2259 base = 16
2260 numstr = '0%s' % numstr
2261 else:
2262 base = 10
2263 # See https://github.com/ytdl-org/youtube-dl/issues/7518
2264 try:
2265 return compat_chr(int(numstr, base))
2266 except ValueError:
2267 pass
2268
2269 # Unknown entity in name, return its literal representation
2270 return '&%s;' % entity
2271
2272
2273 def unescapeHTML(s):
2274 if s is None:
2275 return None
2276 assert type(s) == compat_str
2277
2278 return re.sub(
2279 r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s)
2280
2281
2282 def escapeHTML(text):
2283 return (
2284 text
2285 .replace('&', '&amp;')
2286 .replace('<', '&lt;')
2287 .replace('>', '&gt;')
2288 .replace('"', '&quot;')
2289 .replace("'", '&#39;')
2290 )
2291
2292
2293 def process_communicate_or_kill(p, *args, **kwargs):
2294 try:
2295 return p.communicate(*args, **kwargs)
2296 except BaseException: # Including KeyboardInterrupt
2297 p.kill()
2298 p.wait()
2299 raise
2300
2301
2302 class Popen(subprocess.Popen):
2303 if sys.platform == 'win32':
2304 _startupinfo = subprocess.STARTUPINFO()
2305 _startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
2306 else:
2307 _startupinfo = None
2308
2309 def __init__(self, *args, **kwargs):
2310 super(Popen, self).__init__(*args, **kwargs, startupinfo=self._startupinfo)
2311
2312 def communicate_or_kill(self, *args, **kwargs):
2313 return process_communicate_or_kill(self, *args, **kwargs)
2314
2315
2316 def get_subprocess_encoding():
2317 if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
2318 # For subprocess calls, encode with locale encoding
2319 # Refer to http://stackoverflow.com/a/9951851/35070
2320 encoding = preferredencoding()
2321 else:
2322 encoding = sys.getfilesystemencoding()
2323 if encoding is None:
2324 encoding = 'utf-8'
2325 return encoding
2326
2327
2328 def encodeFilename(s, for_subprocess=False):
2329 """
2330 @param s The name of the file
2331 """
2332
2333 assert type(s) == compat_str
2334
2335 # Python 3 has a Unicode API
2336 if sys.version_info >= (3, 0):
2337 return s
2338
2339 # Pass '' directly to use Unicode APIs on Windows 2000 and up
2340 # (Detecting Windows NT 4 is tricky because 'major >= 4' would
2341 # match Windows 9x series as well. Besides, NT 4 is obsolete.)
2342 if not for_subprocess and sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
2343 return s
2344
2345 # Jython assumes filenames are Unicode strings though reported as Python 2.x compatible
2346 if sys.platform.startswith('java'):
2347 return s
2348
2349 return s.encode(get_subprocess_encoding(), 'ignore')
2350
2351
2352 def decodeFilename(b, for_subprocess=False):
2353
2354 if sys.version_info >= (3, 0):
2355 return b
2356
2357 if not isinstance(b, bytes):
2358 return b
2359
2360 return b.decode(get_subprocess_encoding(), 'ignore')
2361
2362
2363 def encodeArgument(s):
2364 if not isinstance(s, compat_str):
2365 # Legacy code that uses byte strings
2366 # Uncomment the following line after fixing all post processors
2367 # assert False, 'Internal error: %r should be of type %r, is %r' % (s, compat_str, type(s))
2368 s = s.decode('ascii')
2369 return encodeFilename(s, True)
2370
2371
2372 def decodeArgument(b):
2373 return decodeFilename(b, True)
2374
2375
2376 def decodeOption(optval):
2377 if optval is None:
2378 return optval
2379 if isinstance(optval, bytes):
2380 optval = optval.decode(preferredencoding())
2381
2382 assert isinstance(optval, compat_str)
2383 return optval
2384
2385
2386 _timetuple = collections.namedtuple('Time', ('hours', 'minutes', 'seconds', 'milliseconds'))
2387
2388
2389 def timetuple_from_msec(msec):
2390 secs, msec = divmod(msec, 1000)
2391 mins, secs = divmod(secs, 60)
2392 hrs, mins = divmod(mins, 60)
2393 return _timetuple(hrs, mins, secs, msec)
2394
2395
2396 def formatSeconds(secs, delim=':', msec=False):
2397 time = timetuple_from_msec(secs * 1000)
2398 if time.hours:
2399 ret = '%d%s%02d%s%02d' % (time.hours, delim, time.minutes, delim, time.seconds)
2400 elif time.minutes:
2401 ret = '%d%s%02d' % (time.minutes, delim, time.seconds)
2402 else:
2403 ret = '%d' % time.seconds
2404 return '%s.%03d' % (ret, time.milliseconds) if msec else ret
2405
2406
2407 def _ssl_load_windows_store_certs(ssl_context, storename):
2408 # Code adapted from _load_windows_store_certs in https://github.com/python/cpython/blob/main/Lib/ssl.py
2409 try:
2410 certs = [cert for cert, encoding, trust in ssl.enum_certificates(storename)
2411 if encoding == 'x509_asn' and (
2412 trust is True or ssl.Purpose.SERVER_AUTH.oid in trust)]
2413 except PermissionError:
2414 return
2415 for cert in certs:
2416 try:
2417 ssl_context.load_verify_locations(cadata=cert)
2418 except ssl.SSLError:
2419 pass
2420
2421
2422 def make_HTTPS_handler(params, **kwargs):
2423 opts_check_certificate = not params.get('nocheckcertificate')
2424 context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
2425 context.check_hostname = opts_check_certificate
2426 context.verify_mode = ssl.CERT_REQUIRED if opts_check_certificate else ssl.CERT_NONE
2427 if opts_check_certificate:
2428 try:
2429 context.load_default_certs()
2430 # Work around the issue in load_default_certs when there are bad certificates. See:
2431 # https://github.com/yt-dlp/yt-dlp/issues/1060,
2432 # https://bugs.python.org/issue35665, https://bugs.python.org/issue45312
2433 except ssl.SSLError:
2434 # enum_certificates is not present in mingw python. See https://github.com/yt-dlp/yt-dlp/issues/1151
2435 if sys.platform == 'win32' and hasattr(ssl, 'enum_certificates'):
2436 # Create a new context to discard any certificates that were already loaded
2437 context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
2438 context.check_hostname, context.verify_mode = True, ssl.CERT_REQUIRED
2439 for storename in ('CA', 'ROOT'):
2440 _ssl_load_windows_store_certs(context, storename)
2441 context.set_default_verify_paths()
2442 return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
2443
2444
2445 def bug_reports_message(before=';'):
2446 if ytdl_is_updateable():
2447 update_cmd = 'type yt-dlp -U to update'
2448 else:
2449 update_cmd = 'see https://github.com/yt-dlp/yt-dlp on how to update'
2450 msg = 'please report this issue on https://github.com/yt-dlp/yt-dlp .'
2451 msg += ' Make sure you are using the latest version; %s.' % update_cmd
2452 msg += ' Be sure to call yt-dlp with the --verbose flag and include its complete output.'
2453
2454 before = before.rstrip()
2455 if not before or before.endswith(('.', '!', '?')):
2456 msg = msg[0].title() + msg[1:]
2457
2458 return (before + ' ' if before else '') + msg
2459
2460
2461 class YoutubeDLError(Exception):
2462 """Base exception for YoutubeDL errors."""
2463 msg = None
2464
2465 def __init__(self, msg=None):
2466 if msg is not None:
2467 self.msg = msg
2468 elif self.msg is None:
2469 self.msg = type(self).__name__
2470 super().__init__(self.msg)
2471
2472
2473 network_exceptions = [compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error]
2474 if hasattr(ssl, 'CertificateError'):
2475 network_exceptions.append(ssl.CertificateError)
2476 network_exceptions = tuple(network_exceptions)
2477
2478
2479 class ExtractorError(YoutubeDLError):
2480 """Error during info extraction."""
2481
2482 def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None, ie=None):
2483 """ tb, if given, is the original traceback (so that it can be printed out).
2484 If expected is set, this is a normal error message and most likely not a bug in yt-dlp.
2485 """
2486 if sys.exc_info()[0] in network_exceptions:
2487 expected = True
2488
2489 self.msg = str(msg)
2490 self.traceback = tb
2491 self.expected = expected
2492 self.cause = cause
2493 self.video_id = video_id
2494 self.ie = ie
2495 self.exc_info = sys.exc_info() # preserve original exception
2496
2497 super(ExtractorError, self).__init__(''.join((
2498 format_field(ie, template='[%s] '),
2499 format_field(video_id, template='%s: '),
2500 self.msg,
2501 format_field(cause, template=' (caused by %r)'),
2502 '' if expected else bug_reports_message())))
2503
2504 def format_traceback(self):
2505 if self.traceback is None:
2506 return None
2507 return ''.join(traceback.format_tb(self.traceback))
2508
2509
2510 class UnsupportedError(ExtractorError):
2511 def __init__(self, url):
2512 super(UnsupportedError, self).__init__(
2513 'Unsupported URL: %s' % url, expected=True)
2514 self.url = url
2515
2516
2517 class RegexNotFoundError(ExtractorError):
2518 """Error when a regex didn't match"""
2519 pass
2520
2521
2522 class GeoRestrictedError(ExtractorError):
2523 """Geographic restriction Error exception.
2524
2525 This exception may be thrown when a video is not available from your
2526 geographic location due to geographic restrictions imposed by a website.
2527 """
2528
2529 def __init__(self, msg, countries=None, **kwargs):
2530 kwargs['expected'] = True
2531 super(GeoRestrictedError, self).__init__(msg, **kwargs)
2532 self.countries = countries
2533
2534
2535 class DownloadError(YoutubeDLError):
2536 """Download Error exception.
2537
2538 This exception may be thrown by FileDownloader objects if they are not
2539 configured to continue on errors. They will contain the appropriate
2540 error message.
2541 """
2542
2543 def __init__(self, msg, exc_info=None):
2544 """ exc_info, if given, is the original exception that caused the trouble (as returned by sys.exc_info()). """
2545 super(DownloadError, self).__init__(msg)
2546 self.exc_info = exc_info
2547
2548
2549 class EntryNotInPlaylist(YoutubeDLError):
2550 """Entry not in playlist exception.
2551
2552 This exception will be thrown by YoutubeDL when a requested entry
2553 is not found in the playlist info_dict
2554 """
2555 msg = 'Entry not found in info'
2556
2557
2558 class SameFileError(YoutubeDLError):
2559 """Same File exception.
2560
2561 This exception will be thrown by FileDownloader objects if they detect
2562 multiple files would have to be downloaded to the same file on disk.
2563 """
2564 msg = 'Fixed output name but more than one file to download'
2565
2566 def __init__(self, filename=None):
2567 if filename is not None:
2568 self.msg += f': {filename}'
2569 super().__init__(self.msg)
2570
2571
2572 class PostProcessingError(YoutubeDLError):
2573 """Post Processing exception.
2574
2575 This exception may be raised by PostProcessor's .run() method to
2576 indicate an error in the postprocessing task.
2577 """
2578
2579
2580 class DownloadCancelled(YoutubeDLError):
2581 """ Exception raised when the download queue should be interrupted """
2582 msg = 'The download was cancelled'
2583
2584
2585 class ExistingVideoReached(DownloadCancelled):
2586 """ --break-on-existing triggered """
2587 msg = 'Encountered a video that is already in the archive, stopping due to --break-on-existing'
2588
2589
2590 class RejectedVideoReached(DownloadCancelled):
2591 """ --break-on-reject triggered """
2592 msg = 'Encountered a video that did not match filter, stopping due to --break-on-reject'
2593
2594
2595 class MaxDownloadsReached(DownloadCancelled):
2596 """ --max-downloads limit has been reached. """
2597 msg = 'Maximum number of downloads reached, stopping due to --max-downloads'
2598
2599
2600 class ReExtractInfo(YoutubeDLError):
2601 """ Video info needs to be re-extracted. """
2602
2603 def __init__(self, msg, expected=False):
2604 super().__init__(msg)
2605 self.expected = expected
2606
2607
2608 class ThrottledDownload(ReExtractInfo):
2609 """ Download speed below --throttled-rate. """
2610 msg = 'The download speed is below throttle limit'
2611
2612 def __init__(self):
2613 super().__init__(self.msg, expected=False)
2614
2615
2616 class UnavailableVideoError(YoutubeDLError):
2617 """Unavailable Format exception.
2618
2619 This exception will be thrown when a video is requested
2620 in a format that is not available for that video.
2621 """
2622 msg = 'Unable to download video'
2623
2624 def __init__(self, err=None):
2625 if err is not None:
2626 self.msg += f': {err}'
2627 super().__init__(self.msg)
2628
2629
2630 class ContentTooShortError(YoutubeDLError):
2631 """Content Too Short exception.
2632
2633 This exception may be raised by FileDownloader objects when a file they
2634 download is too small for what the server announced first, indicating
2635 the connection was probably interrupted.
2636 """
2637
2638 def __init__(self, downloaded, expected):
2639 super(ContentTooShortError, self).__init__(
2640 'Downloaded {0} bytes, expected {1} bytes'.format(downloaded, expected)
2641 )
2642 # Both in bytes
2643 self.downloaded = downloaded
2644 self.expected = expected
2645
2646
2647 class XAttrMetadataError(YoutubeDLError):
2648 def __init__(self, code=None, msg='Unknown error'):
2649 super(XAttrMetadataError, self).__init__(msg)
2650 self.code = code
2651 self.msg = msg
2652
2653 # Parsing code and msg
2654 if (self.code in (errno.ENOSPC, errno.EDQUOT)
2655 or 'No space left' in self.msg or 'Disk quota exceeded' in self.msg):
2656 self.reason = 'NO_SPACE'
2657 elif self.code == errno.E2BIG or 'Argument list too long' in self.msg:
2658 self.reason = 'VALUE_TOO_LONG'
2659 else:
2660 self.reason = 'NOT_SUPPORTED'
2661
2662
2663 class XAttrUnavailableError(YoutubeDLError):
2664 pass
2665
2666
2667 def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs):
2668 # Working around python 2 bug (see http://bugs.python.org/issue17849) by limiting
2669 # expected HTTP responses to meet HTTP/1.0 or later (see also
2670 # https://github.com/ytdl-org/youtube-dl/issues/6727)
2671 if sys.version_info < (3, 0):
2672 kwargs['strict'] = True
2673 hc = http_class(*args, **compat_kwargs(kwargs))
2674 source_address = ydl_handler._params.get('source_address')
2675
2676 if source_address is not None:
2677 # This is to workaround _create_connection() from socket where it will try all
2678 # address data from getaddrinfo() including IPv6. This filters the result from
2679 # getaddrinfo() based on the source_address value.
2680 # This is based on the cpython socket.create_connection() function.
2681 # https://github.com/python/cpython/blob/master/Lib/socket.py#L691
2682 def _create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, source_address=None):
2683 host, port = address
2684 err = None
2685 addrs = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM)
2686 af = socket.AF_INET if '.' in source_address[0] else socket.AF_INET6
2687 ip_addrs = [addr for addr in addrs if addr[0] == af]
2688 if addrs and not ip_addrs:
2689 ip_version = 'v4' if af == socket.AF_INET else 'v6'
2690 raise socket.error(
2691 "No remote IP%s addresses available for connect, can't use '%s' as source address"
2692 % (ip_version, source_address[0]))
2693 for res in ip_addrs:
2694 af, socktype, proto, canonname, sa = res
2695 sock = None
2696 try:
2697 sock = socket.socket(af, socktype, proto)
2698 if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT:
2699 sock.settimeout(timeout)
2700 sock.bind(source_address)
2701 sock.connect(sa)
2702 err = None # Explicitly break reference cycle
2703 return sock
2704 except socket.error as _:
2705 err = _
2706 if sock is not None:
2707 sock.close()
2708 if err is not None:
2709 raise err
2710 else:
2711 raise socket.error('getaddrinfo returns an empty list')
2712 if hasattr(hc, '_create_connection'):
2713 hc._create_connection = _create_connection
2714 sa = (source_address, 0)
2715 if hasattr(hc, 'source_address'): # Python 2.7+
2716 hc.source_address = sa
2717 else: # Python 2.6
2718 def _hc_connect(self, *args, **kwargs):
2719 sock = _create_connection(
2720 (self.host, self.port), self.timeout, sa)
2721 if is_https:
2722 self.sock = ssl.wrap_socket(
2723 sock, self.key_file, self.cert_file,
2724 ssl_version=ssl.PROTOCOL_TLSv1)
2725 else:
2726 self.sock = sock
2727 hc.connect = functools.partial(_hc_connect, hc)
2728
2729 return hc
2730
2731
2732 def handle_youtubedl_headers(headers):
2733 filtered_headers = headers
2734
2735 if 'Youtubedl-no-compression' in filtered_headers:
2736 filtered_headers = dict((k, v) for k, v in filtered_headers.items() if k.lower() != 'accept-encoding')
2737 del filtered_headers['Youtubedl-no-compression']
2738
2739 return filtered_headers
2740
2741
2742 class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
2743 """Handler for HTTP requests and responses.
2744
2745 This class, when installed with an OpenerDirector, automatically adds
2746 the standard headers to every HTTP request and handles gzipped and
2747 deflated responses from web servers. If compression is to be avoided in
2748 a particular request, the original request in the program code only has
2749 to include the HTTP header "Youtubedl-no-compression", which will be
2750 removed before making the real request.
2751
2752 Part of this code was copied from:
2753
2754 http://techknack.net/python-urllib2-handlers/
2755
2756 Andrew Rowls, the author of that code, agreed to release it to the
2757 public domain.
2758 """
2759
2760 def __init__(self, params, *args, **kwargs):
2761 compat_urllib_request.HTTPHandler.__init__(self, *args, **kwargs)
2762 self._params = params
2763
2764 def http_open(self, req):
2765 conn_class = compat_http_client.HTTPConnection
2766
2767 socks_proxy = req.headers.get('Ytdl-socks-proxy')
2768 if socks_proxy:
2769 conn_class = make_socks_conn_class(conn_class, socks_proxy)
2770 del req.headers['Ytdl-socks-proxy']
2771
2772 return self.do_open(functools.partial(
2773 _create_http_connection, self, conn_class, False),
2774 req)
2775
2776 @staticmethod
2777 def deflate(data):
2778 if not data:
2779 return data
2780 try:
2781 return zlib.decompress(data, -zlib.MAX_WBITS)
2782 except zlib.error:
2783 return zlib.decompress(data)
2784
2785 def http_request(self, req):
2786 # According to RFC 3986, URLs can not contain non-ASCII characters, however this is not
2787 # always respected by websites, some tend to give out URLs with non percent-encoded
2788 # non-ASCII characters (see telemb.py, ard.py [#3412])
2789 # urllib chokes on URLs with non-ASCII characters (see http://bugs.python.org/issue3991)
2790 # To work around aforementioned issue we will replace request's original URL with
2791 # percent-encoded one
2792 # Since redirects are also affected (e.g. http://www.southpark.de/alle-episoden/s18e09)
2793 # the code of this workaround has been moved here from YoutubeDL.urlopen()
2794 url = req.get_full_url()
2795 url_escaped = escape_url(url)
2796
2797 # Substitute URL if any change after escaping
2798 if url != url_escaped:
2799 req = update_Request(req, url=url_escaped)
2800
2801 for h, v in std_headers.items():
2802 # Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275
2803 # The dict keys are capitalized because of this bug by urllib
2804 if h.capitalize() not in req.headers:
2805 req.add_header(h, v)
2806
2807 req.headers = handle_youtubedl_headers(req.headers)
2808
2809 if sys.version_info < (2, 7) and '#' in req.get_full_url():
2810 # Python 2.6 is brain-dead when it comes to fragments
2811 req._Request__original = req._Request__original.partition('#')[0]
2812 req._Request__r_type = req._Request__r_type.partition('#')[0]
2813
2814 return req
2815
2816 def http_response(self, req, resp):
2817 old_resp = resp
2818 # gzip
2819 if resp.headers.get('Content-encoding', '') == 'gzip':
2820 content = resp.read()
2821 gz = gzip.GzipFile(fileobj=io.BytesIO(content), mode='rb')
2822 try:
2823 uncompressed = io.BytesIO(gz.read())
2824 except IOError as original_ioerror:
2825 # There may be junk add the end of the file
2826 # See http://stackoverflow.com/q/4928560/35070 for details
2827 for i in range(1, 1024):
2828 try:
2829 gz = gzip.GzipFile(fileobj=io.BytesIO(content[:-i]), mode='rb')
2830 uncompressed = io.BytesIO(gz.read())
2831 except IOError:
2832 continue
2833 break
2834 else:
2835 raise original_ioerror
2836 resp = compat_urllib_request.addinfourl(uncompressed, old_resp.headers, old_resp.url, old_resp.code)
2837 resp.msg = old_resp.msg
2838 del resp.headers['Content-encoding']
2839 # deflate
2840 if resp.headers.get('Content-encoding', '') == 'deflate':
2841 gz = io.BytesIO(self.deflate(resp.read()))
2842 resp = compat_urllib_request.addinfourl(gz, old_resp.headers, old_resp.url, old_resp.code)
2843 resp.msg = old_resp.msg
2844 del resp.headers['Content-encoding']
2845 # Percent-encode redirect URL of Location HTTP header to satisfy RFC 3986 (see
2846 # https://github.com/ytdl-org/youtube-dl/issues/6457).
2847 if 300 <= resp.code < 400:
2848 location = resp.headers.get('Location')
2849 if location:
2850 # As of RFC 2616 default charset is iso-8859-1 that is respected by python 3
2851 if sys.version_info >= (3, 0):
2852 location = location.encode('iso-8859-1').decode('utf-8')
2853 else:
2854 location = location.decode('utf-8')
2855 location_escaped = escape_url(location)
2856 if location != location_escaped:
2857 del resp.headers['Location']
2858 if sys.version_info < (3, 0):
2859 location_escaped = location_escaped.encode('utf-8')
2860 resp.headers['Location'] = location_escaped
2861 return resp
2862
2863 https_request = http_request
2864 https_response = http_response
2865
2866
2867 def make_socks_conn_class(base_class, socks_proxy):
2868 assert issubclass(base_class, (
2869 compat_http_client.HTTPConnection, compat_http_client.HTTPSConnection))
2870
2871 url_components = compat_urlparse.urlparse(socks_proxy)
2872 if url_components.scheme.lower() == 'socks5':
2873 socks_type = ProxyType.SOCKS5
2874 elif url_components.scheme.lower() in ('socks', 'socks4'):
2875 socks_type = ProxyType.SOCKS4
2876 elif url_components.scheme.lower() == 'socks4a':
2877 socks_type = ProxyType.SOCKS4A
2878
2879 def unquote_if_non_empty(s):
2880 if not s:
2881 return s
2882 return compat_urllib_parse_unquote_plus(s)
2883
2884 proxy_args = (
2885 socks_type,
2886 url_components.hostname, url_components.port or 1080,
2887 True, # Remote DNS
2888 unquote_if_non_empty(url_components.username),
2889 unquote_if_non_empty(url_components.password),
2890 )
2891
2892 class SocksConnection(base_class):
2893 def connect(self):
2894 self.sock = sockssocket()
2895 self.sock.setproxy(*proxy_args)
2896 if type(self.timeout) in (int, float):
2897 self.sock.settimeout(self.timeout)
2898 self.sock.connect((self.host, self.port))
2899
2900 if isinstance(self, compat_http_client.HTTPSConnection):
2901 if hasattr(self, '_context'): # Python > 2.6
2902 self.sock = self._context.wrap_socket(
2903 self.sock, server_hostname=self.host)
2904 else:
2905 self.sock = ssl.wrap_socket(self.sock)
2906
2907 return SocksConnection
2908
2909
2910 class YoutubeDLHTTPSHandler(compat_urllib_request.HTTPSHandler):
2911 def __init__(self, params, https_conn_class=None, *args, **kwargs):
2912 compat_urllib_request.HTTPSHandler.__init__(self, *args, **kwargs)
2913 self._https_conn_class = https_conn_class or compat_http_client.HTTPSConnection
2914 self._params = params
2915
2916 def https_open(self, req):
2917 kwargs = {}
2918 conn_class = self._https_conn_class
2919
2920 if hasattr(self, '_context'): # python > 2.6
2921 kwargs['context'] = self._context
2922 if hasattr(self, '_check_hostname'): # python 3.x
2923 kwargs['check_hostname'] = self._check_hostname
2924
2925 socks_proxy = req.headers.get('Ytdl-socks-proxy')
2926 if socks_proxy:
2927 conn_class = make_socks_conn_class(conn_class, socks_proxy)
2928 del req.headers['Ytdl-socks-proxy']
2929
2930 return self.do_open(functools.partial(
2931 _create_http_connection, self, conn_class, True),
2932 req, **kwargs)
2933
2934
2935 class YoutubeDLCookieJar(compat_cookiejar.MozillaCookieJar):
2936 """
2937 See [1] for cookie file format.
2938
2939 1. https://curl.haxx.se/docs/http-cookies.html
2940 """
2941 _HTTPONLY_PREFIX = '#HttpOnly_'
2942 _ENTRY_LEN = 7
2943 _HEADER = '''# Netscape HTTP Cookie File
2944 # This file is generated by yt-dlp. Do not edit.
2945
2946 '''
2947 _CookieFileEntry = collections.namedtuple(
2948 'CookieFileEntry',
2949 ('domain_name', 'include_subdomains', 'path', 'https_only', 'expires_at', 'name', 'value'))
2950
2951 def save(self, filename=None, ignore_discard=False, ignore_expires=False):
2952 """
2953 Save cookies to a file.
2954
2955 Most of the code is taken from CPython 3.8 and slightly adapted
2956 to support cookie files with UTF-8 in both python 2 and 3.
2957 """
2958 if filename is None:
2959 if self.filename is not None:
2960 filename = self.filename
2961 else:
2962 raise ValueError(compat_cookiejar.MISSING_FILENAME_TEXT)
2963
2964 # Store session cookies with `expires` set to 0 instead of an empty
2965 # string
2966 for cookie in self:
2967 if cookie.expires is None:
2968 cookie.expires = 0
2969
2970 with io.open(filename, 'w', encoding='utf-8') as f:
2971 f.write(self._HEADER)
2972 now = time.time()
2973 for cookie in self:
2974 if not ignore_discard and cookie.discard:
2975 continue
2976 if not ignore_expires and cookie.is_expired(now):
2977 continue
2978 if cookie.secure:
2979 secure = 'TRUE'
2980 else:
2981 secure = 'FALSE'
2982 if cookie.domain.startswith('.'):
2983 initial_dot = 'TRUE'
2984 else:
2985 initial_dot = 'FALSE'
2986 if cookie.expires is not None:
2987 expires = compat_str(cookie.expires)
2988 else:
2989 expires = ''
2990 if cookie.value is None:
2991 # cookies.txt regards 'Set-Cookie: foo' as a cookie
2992 # with no name, whereas http.cookiejar regards it as a
2993 # cookie with no value.
2994 name = ''
2995 value = cookie.name
2996 else:
2997 name = cookie.name
2998 value = cookie.value
2999 f.write(
3000 '\t'.join([cookie.domain, initial_dot, cookie.path,
3001 secure, expires, name, value]) + '\n')
3002
3003 def load(self, filename=None, ignore_discard=False, ignore_expires=False):
3004 """Load cookies from a file."""
3005 if filename is None:
3006 if self.filename is not None:
3007 filename = self.filename
3008 else:
3009 raise ValueError(compat_cookiejar.MISSING_FILENAME_TEXT)
3010
3011 def prepare_line(line):
3012 if line.startswith(self._HTTPONLY_PREFIX):
3013 line = line[len(self._HTTPONLY_PREFIX):]
3014 # comments and empty lines are fine
3015 if line.startswith('#') or not line.strip():
3016 return line
3017 cookie_list = line.split('\t')
3018 if len(cookie_list) != self._ENTRY_LEN:
3019 raise compat_cookiejar.LoadError('invalid length %d' % len(cookie_list))
3020 cookie = self._CookieFileEntry(*cookie_list)
3021 if cookie.expires_at and not cookie.expires_at.isdigit():
3022 raise compat_cookiejar.LoadError('invalid expires at %s' % cookie.expires_at)
3023 return line
3024
3025 cf = io.StringIO()
3026 with io.open(filename, encoding='utf-8') as f:
3027 for line in f:
3028 try:
3029 cf.write(prepare_line(line))
3030 except compat_cookiejar.LoadError as e:
3031 write_string(
3032 'WARNING: skipping cookie file entry due to %s: %r\n'
3033 % (e, line), sys.stderr)
3034 continue
3035 cf.seek(0)
3036 self._really_load(cf, filename, ignore_discard, ignore_expires)
3037 # Session cookies are denoted by either `expires` field set to
3038 # an empty string or 0. MozillaCookieJar only recognizes the former
3039 # (see [1]). So we need force the latter to be recognized as session
3040 # cookies on our own.
3041 # Session cookies may be important for cookies-based authentication,
3042 # e.g. usually, when user does not check 'Remember me' check box while
3043 # logging in on a site, some important cookies are stored as session
3044 # cookies so that not recognizing them will result in failed login.
3045 # 1. https://bugs.python.org/issue17164
3046 for cookie in self:
3047 # Treat `expires=0` cookies as session cookies
3048 if cookie.expires == 0:
3049 cookie.expires = None
3050 cookie.discard = True
3051
3052
3053 class YoutubeDLCookieProcessor(compat_urllib_request.HTTPCookieProcessor):
3054 def __init__(self, cookiejar=None):
3055 compat_urllib_request.HTTPCookieProcessor.__init__(self, cookiejar)
3056
3057 def http_response(self, request, response):
3058 # Python 2 will choke on next HTTP request in row if there are non-ASCII
3059 # characters in Set-Cookie HTTP header of last response (see
3060 # https://github.com/ytdl-org/youtube-dl/issues/6769).
3061 # In order to at least prevent crashing we will percent encode Set-Cookie
3062 # header before HTTPCookieProcessor starts processing it.
3063 # if sys.version_info < (3, 0) and response.headers:
3064 # for set_cookie_header in ('Set-Cookie', 'Set-Cookie2'):
3065 # set_cookie = response.headers.get(set_cookie_header)
3066 # if set_cookie:
3067 # set_cookie_escaped = compat_urllib_parse.quote(set_cookie, b"%/;:@&=+$,!~*'()?#[] ")
3068 # if set_cookie != set_cookie_escaped:
3069 # del response.headers[set_cookie_header]
3070 # response.headers[set_cookie_header] = set_cookie_escaped
3071 return compat_urllib_request.HTTPCookieProcessor.http_response(self, request, response)
3072
3073 https_request = compat_urllib_request.HTTPCookieProcessor.http_request
3074 https_response = http_response
3075
3076
3077 class YoutubeDLRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
3078 """YoutubeDL redirect handler
3079
3080 The code is based on HTTPRedirectHandler implementation from CPython [1].
3081
3082 This redirect handler solves two issues:
3083 - ensures redirect URL is always unicode under python 2
3084 - introduces support for experimental HTTP response status code
3085 308 Permanent Redirect [2] used by some sites [3]
3086
3087 1. https://github.com/python/cpython/blob/master/Lib/urllib/request.py
3088 2. https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/308
3089 3. https://github.com/ytdl-org/youtube-dl/issues/28768
3090 """
3091
3092 http_error_301 = http_error_303 = http_error_307 = http_error_308 = compat_urllib_request.HTTPRedirectHandler.http_error_302
3093
3094 def redirect_request(self, req, fp, code, msg, headers, newurl):
3095 """Return a Request or None in response to a redirect.
3096
3097 This is called by the http_error_30x methods when a
3098 redirection response is received. If a redirection should
3099 take place, return a new Request to allow http_error_30x to
3100 perform the redirect. Otherwise, raise HTTPError if no-one
3101 else should try to handle this url. Return None if you can't
3102 but another Handler might.
3103 """
3104 m = req.get_method()
3105 if (not (code in (301, 302, 303, 307, 308) and m in ("GET", "HEAD")
3106 or code in (301, 302, 303) and m == "POST")):
3107 raise compat_HTTPError(req.full_url, code, msg, headers, fp)
3108 # Strictly (according to RFC 2616), 301 or 302 in response to
3109 # a POST MUST NOT cause a redirection without confirmation
3110 # from the user (of urllib.request, in this case). In practice,
3111 # essentially all clients do redirect in this case, so we do
3112 # the same.
3113
3114 # On python 2 urlh.geturl() may sometimes return redirect URL
3115 # as byte string instead of unicode. This workaround allows
3116 # to force it always return unicode.
3117 if sys.version_info[0] < 3:
3118 newurl = compat_str(newurl)
3119
3120 # Be conciliant with URIs containing a space. This is mainly
3121 # redundant with the more complete encoding done in http_error_302(),
3122 # but it is kept for compatibility with other callers.
3123 newurl = newurl.replace(' ', '%20')
3124
3125 CONTENT_HEADERS = ("content-length", "content-type")
3126 # NB: don't use dict comprehension for python 2.6 compatibility
3127 newheaders = dict((k, v) for k, v in req.headers.items()
3128 if k.lower() not in CONTENT_HEADERS)
3129 return compat_urllib_request.Request(
3130 newurl, headers=newheaders, origin_req_host=req.origin_req_host,
3131 unverifiable=True)
3132
3133
3134 def extract_timezone(date_str):
3135 m = re.search(
3136 r'''(?x)
3137 ^.{8,}? # >=8 char non-TZ prefix, if present
3138 (?P<tz>Z| # just the UTC Z, or
3139 (?:(?<=.\b\d{4}|\b\d{2}:\d\d)| # preceded by 4 digits or hh:mm or
3140 (?<!.\b[a-zA-Z]{3}|[a-zA-Z]{4}|..\b\d\d)) # not preceded by 3 alpha word or >= 4 alpha or 2 digits
3141 [ ]? # optional space
3142 (?P<sign>\+|-) # +/-
3143 (?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2}) # hh[:]mm
3144 $)
3145 ''', date_str)
3146 if not m:
3147 timezone = datetime.timedelta()
3148 else:
3149 date_str = date_str[:-len(m.group('tz'))]
3150 if not m.group('sign'):
3151 timezone = datetime.timedelta()
3152 else:
3153 sign = 1 if m.group('sign') == '+' else -1
3154 timezone = datetime.timedelta(
3155 hours=sign * int(m.group('hours')),
3156 minutes=sign * int(m.group('minutes')))
3157 return timezone, date_str
3158
3159
3160 def parse_iso8601(date_str, delimiter='T', timezone=None):
3161 """ Return a UNIX timestamp from the given date """
3162
3163 if date_str is None:
3164 return None
3165
3166 date_str = re.sub(r'\.[0-9]+', '', date_str)
3167
3168 if timezone is None:
3169 timezone, date_str = extract_timezone(date_str)
3170
3171 try:
3172 date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter)
3173 dt = datetime.datetime.strptime(date_str, date_format) - timezone
3174 return calendar.timegm(dt.timetuple())
3175 except ValueError:
3176 pass
3177
3178
3179 def date_formats(day_first=True):
3180 return DATE_FORMATS_DAY_FIRST if day_first else DATE_FORMATS_MONTH_FIRST
3181
3182
3183 def unified_strdate(date_str, day_first=True):
3184 """Return a string with the date in the format YYYYMMDD"""
3185
3186 if date_str is None:
3187 return None
3188 upload_date = None
3189 # Replace commas
3190 date_str = date_str.replace(',', ' ')
3191 # Remove AM/PM + timezone
3192 date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
3193 _, date_str = extract_timezone(date_str)
3194
3195 for expression in date_formats(day_first):
3196 try:
3197 upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d')
3198 except ValueError:
3199 pass
3200 if upload_date is None:
3201 timetuple = email.utils.parsedate_tz(date_str)
3202 if timetuple:
3203 try:
3204 upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d')
3205 except ValueError:
3206 pass
3207 if upload_date is not None:
3208 return compat_str(upload_date)
3209
3210
3211 def unified_timestamp(date_str, day_first=True):
3212 if date_str is None:
3213 return None
3214
3215 date_str = re.sub(r'[,|]', '', date_str)
3216
3217 pm_delta = 12 if re.search(r'(?i)PM', date_str) else 0
3218 timezone, date_str = extract_timezone(date_str)
3219
3220 # Remove AM/PM + timezone
3221 date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
3222
3223 # Remove unrecognized timezones from ISO 8601 alike timestamps
3224 m = re.search(r'\d{1,2}:\d{1,2}(?:\.\d+)?(?P<tz>\s*[A-Z]+)$', date_str)
3225 if m:
3226 date_str = date_str[:-len(m.group('tz'))]
3227
3228 # Python only supports microseconds, so remove nanoseconds
3229 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]+$', date_str)
3230 if m:
3231 date_str = m.group(1)
3232
3233 for expression in date_formats(day_first):
3234 try:
3235 dt = datetime.datetime.strptime(date_str, expression) - timezone + datetime.timedelta(hours=pm_delta)
3236 return calendar.timegm(dt.timetuple())
3237 except ValueError:
3238 pass
3239 timetuple = email.utils.parsedate_tz(date_str)
3240 if timetuple:
3241 return calendar.timegm(timetuple) + pm_delta * 3600
3242
3243
3244 def determine_ext(url, default_ext='unknown_video'):
3245 if url is None or '.' not in url:
3246 return default_ext
3247 guess = url.partition('?')[0].rpartition('.')[2]
3248 if re.match(r'^[A-Za-z0-9]+$', guess):
3249 return guess
3250 # Try extract ext from URLs like http://example.com/foo/bar.mp4/?download
3251 elif guess.rstrip('/') in KNOWN_EXTENSIONS:
3252 return guess.rstrip('/')
3253 else:
3254 return default_ext
3255
3256
3257 def subtitles_filename(filename, sub_lang, sub_format, expected_real_ext=None):
3258 return replace_extension(filename, sub_lang + '.' + sub_format, expected_real_ext)
3259
3260
3261 def datetime_from_str(date_str, precision='auto', format='%Y%m%d'):
3262 """
3263 Return a datetime object from a string in the format YYYYMMDD or
3264 (now|today|date)[+-][0-9](microsecond|second|minute|hour|day|week|month|year)(s)?
3265
3266 format: string date format used to return datetime object from
3267 precision: round the time portion of a datetime object.
3268 auto|microsecond|second|minute|hour|day.
3269 auto: round to the unit provided in date_str (if applicable).
3270 """
3271 auto_precision = False
3272 if precision == 'auto':
3273 auto_precision = True
3274 precision = 'microsecond'
3275 today = datetime_round(datetime.datetime.now(), precision)
3276 if date_str in ('now', 'today'):
3277 return today
3278 if date_str == 'yesterday':
3279 return today - datetime.timedelta(days=1)
3280 match = re.match(
3281 r'(?P<start>.+)(?P<sign>[+-])(?P<time>\d+)(?P<unit>microsecond|second|minute|hour|day|week|month|year)(s)?',
3282 date_str)
3283 if match is not None:
3284 start_time = datetime_from_str(match.group('start'), precision, format)
3285 time = int(match.group('time')) * (-1 if match.group('sign') == '-' else 1)
3286 unit = match.group('unit')
3287 if unit == 'month' or unit == 'year':
3288 new_date = datetime_add_months(start_time, time * 12 if unit == 'year' else time)
3289 unit = 'day'
3290 else:
3291 if unit == 'week':
3292 unit = 'day'
3293 time *= 7
3294 delta = datetime.timedelta(**{unit + 's': time})
3295 new_date = start_time + delta
3296 if auto_precision:
3297 return datetime_round(new_date, unit)
3298 return new_date
3299
3300 return datetime_round(datetime.datetime.strptime(date_str, format), precision)
3301
3302
3303 def date_from_str(date_str, format='%Y%m%d'):
3304 """
3305 Return a datetime object from a string in the format YYYYMMDD or
3306 (now|today|date)[+-][0-9](microsecond|second|minute|hour|day|week|month|year)(s)?
3307
3308 format: string date format used to return datetime object from
3309 """
3310 return datetime_from_str(date_str, precision='microsecond', format=format).date()
3311
3312
3313 def datetime_add_months(dt, months):
3314 """Increment/Decrement a datetime object by months."""
3315 month = dt.month + months - 1
3316 year = dt.year + month // 12
3317 month = month % 12 + 1
3318 day = min(dt.day, calendar.monthrange(year, month)[1])
3319 return dt.replace(year, month, day)
3320
3321
3322 def datetime_round(dt, precision='day'):
3323 """
3324 Round a datetime object's time to a specific precision
3325 """
3326 if precision == 'microsecond':
3327 return dt
3328
3329 unit_seconds = {
3330 'day': 86400,
3331 'hour': 3600,
3332 'minute': 60,
3333 'second': 1,
3334 }
3335 roundto = lambda x, n: ((x + n / 2) // n) * n
3336 timestamp = calendar.timegm(dt.timetuple())
3337 return datetime.datetime.utcfromtimestamp(roundto(timestamp, unit_seconds[precision]))
3338
3339
3340 def hyphenate_date(date_str):
3341 """
3342 Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format"""
3343 match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', date_str)
3344 if match is not None:
3345 return '-'.join(match.groups())
3346 else:
3347 return date_str
3348
3349
3350 class DateRange(object):
3351 """Represents a time interval between two dates"""
3352
3353 def __init__(self, start=None, end=None):
3354 """start and end must be strings in the format accepted by date"""
3355 if start is not None:
3356 self.start = date_from_str(start)
3357 else:
3358 self.start = datetime.datetime.min.date()
3359 if end is not None:
3360 self.end = date_from_str(end)
3361 else:
3362 self.end = datetime.datetime.max.date()
3363 if self.start > self.end:
3364 raise ValueError('Date range: "%s" , the start date must be before the end date' % self)
3365
3366 @classmethod
3367 def day(cls, day):
3368 """Returns a range that only contains the given day"""
3369 return cls(day, day)
3370
3371 def __contains__(self, date):
3372 """Check if the date is in the range"""
3373 if not isinstance(date, datetime.date):
3374 date = date_from_str(date)
3375 return self.start <= date <= self.end
3376
3377 def __str__(self):
3378 return '%s - %s' % (self.start.isoformat(), self.end.isoformat())
3379
3380
3381 def platform_name():
3382 """ Returns the platform name as a compat_str """
3383 res = platform.platform()
3384 if isinstance(res, bytes):
3385 res = res.decode(preferredencoding())
3386
3387 assert isinstance(res, compat_str)
3388 return res
3389
3390
3391 def get_windows_version():
3392 ''' Get Windows version. None if it's not running on Windows '''
3393 if compat_os_name == 'nt':
3394 return version_tuple(platform.win32_ver()[1])
3395 else:
3396 return None
3397
3398
3399 def _windows_write_string(s, out):
3400 """ Returns True if the string was written using special methods,
3401 False if it has yet to be written out."""
3402 # Adapted from http://stackoverflow.com/a/3259271/35070
3403
3404 import ctypes
3405 import ctypes.wintypes
3406
3407 WIN_OUTPUT_IDS = {
3408 1: -11,
3409 2: -12,
3410 }
3411
3412 try:
3413 fileno = out.fileno()
3414 except AttributeError:
3415 # If the output stream doesn't have a fileno, it's virtual
3416 return False
3417 except io.UnsupportedOperation:
3418 # Some strange Windows pseudo files?
3419 return False
3420 if fileno not in WIN_OUTPUT_IDS:
3421 return False
3422
3423 GetStdHandle = compat_ctypes_WINFUNCTYPE(
3424 ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)(
3425 ('GetStdHandle', ctypes.windll.kernel32))
3426 h = GetStdHandle(WIN_OUTPUT_IDS[fileno])
3427
3428 WriteConsoleW = compat_ctypes_WINFUNCTYPE(
3429 ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE, ctypes.wintypes.LPWSTR,
3430 ctypes.wintypes.DWORD, ctypes.POINTER(ctypes.wintypes.DWORD),
3431 ctypes.wintypes.LPVOID)(('WriteConsoleW', ctypes.windll.kernel32))
3432 written = ctypes.wintypes.DWORD(0)
3433
3434 GetFileType = compat_ctypes_WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)(('GetFileType', ctypes.windll.kernel32))
3435 FILE_TYPE_CHAR = 0x0002
3436 FILE_TYPE_REMOTE = 0x8000
3437 GetConsoleMode = compat_ctypes_WINFUNCTYPE(
3438 ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE,
3439 ctypes.POINTER(ctypes.wintypes.DWORD))(
3440 ('GetConsoleMode', ctypes.windll.kernel32))
3441 INVALID_HANDLE_VALUE = ctypes.wintypes.DWORD(-1).value
3442
3443 def not_a_console(handle):
3444 if handle == INVALID_HANDLE_VALUE or handle is None:
3445 return True
3446 return ((GetFileType(handle) & ~FILE_TYPE_REMOTE) != FILE_TYPE_CHAR
3447 or GetConsoleMode(handle, ctypes.byref(ctypes.wintypes.DWORD())) == 0)
3448
3449 if not_a_console(h):
3450 return False
3451
3452 def next_nonbmp_pos(s):
3453 try:
3454 return next(i for i, c in enumerate(s) if ord(c) > 0xffff)
3455 except StopIteration:
3456 return len(s)
3457
3458 while s:
3459 count = min(next_nonbmp_pos(s), 1024)
3460
3461 ret = WriteConsoleW(
3462 h, s, count if count else 2, ctypes.byref(written), None)
3463 if ret == 0:
3464 raise OSError('Failed to write string')
3465 if not count: # We just wrote a non-BMP character
3466 assert written.value == 2
3467 s = s[1:]
3468 else:
3469 assert written.value > 0
3470 s = s[written.value:]
3471 return True
3472
3473
3474 def write_string(s, out=None, encoding=None):
3475 if out is None:
3476 out = sys.stderr
3477 assert type(s) == compat_str
3478
3479 if sys.platform == 'win32' and encoding is None and hasattr(out, 'fileno'):
3480 if _windows_write_string(s, out):
3481 return
3482
3483 if ('b' in getattr(out, 'mode', '')
3484 or sys.version_info[0] < 3): # Python 2 lies about mode of sys.stderr
3485 byt = s.encode(encoding or preferredencoding(), 'ignore')
3486 out.write(byt)
3487 elif hasattr(out, 'buffer'):
3488 enc = encoding or getattr(out, 'encoding', None) or preferredencoding()
3489 byt = s.encode(enc, 'ignore')
3490 out.buffer.write(byt)
3491 else:
3492 out.write(s)
3493 out.flush()
3494
3495
3496 def bytes_to_intlist(bs):
3497 if not bs:
3498 return []
3499 if isinstance(bs[0], int): # Python 3
3500 return list(bs)
3501 else:
3502 return [ord(c) for c in bs]
3503
3504
3505 def intlist_to_bytes(xs):
3506 if not xs:
3507 return b''
3508 return compat_struct_pack('%dB' % len(xs), *xs)
3509
3510
3511 # Cross-platform file locking
3512 if sys.platform == 'win32':
3513 import ctypes.wintypes
3514 import msvcrt
3515
3516 class OVERLAPPED(ctypes.Structure):
3517 _fields_ = [
3518 ('Internal', ctypes.wintypes.LPVOID),
3519 ('InternalHigh', ctypes.wintypes.LPVOID),
3520 ('Offset', ctypes.wintypes.DWORD),
3521 ('OffsetHigh', ctypes.wintypes.DWORD),
3522 ('hEvent', ctypes.wintypes.HANDLE),
3523 ]
3524
3525 kernel32 = ctypes.windll.kernel32
3526 LockFileEx = kernel32.LockFileEx
3527 LockFileEx.argtypes = [
3528 ctypes.wintypes.HANDLE, # hFile
3529 ctypes.wintypes.DWORD, # dwFlags
3530 ctypes.wintypes.DWORD, # dwReserved
3531 ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
3532 ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
3533 ctypes.POINTER(OVERLAPPED) # Overlapped
3534 ]
3535 LockFileEx.restype = ctypes.wintypes.BOOL
3536 UnlockFileEx = kernel32.UnlockFileEx
3537 UnlockFileEx.argtypes = [
3538 ctypes.wintypes.HANDLE, # hFile
3539 ctypes.wintypes.DWORD, # dwReserved
3540 ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
3541 ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
3542 ctypes.POINTER(OVERLAPPED) # Overlapped
3543 ]
3544 UnlockFileEx.restype = ctypes.wintypes.BOOL
3545 whole_low = 0xffffffff
3546 whole_high = 0x7fffffff
3547
3548 def _lock_file(f, exclusive):
3549 overlapped = OVERLAPPED()
3550 overlapped.Offset = 0
3551 overlapped.OffsetHigh = 0
3552 overlapped.hEvent = 0
3553 f._lock_file_overlapped_p = ctypes.pointer(overlapped)
3554 handle = msvcrt.get_osfhandle(f.fileno())
3555 if not LockFileEx(handle, 0x2 if exclusive else 0x0, 0,
3556 whole_low, whole_high, f._lock_file_overlapped_p):
3557 raise OSError('Locking file failed: %r' % ctypes.FormatError())
3558
3559 def _unlock_file(f):
3560 assert f._lock_file_overlapped_p
3561 handle = msvcrt.get_osfhandle(f.fileno())
3562 if not UnlockFileEx(handle, 0,
3563 whole_low, whole_high, f._lock_file_overlapped_p):
3564 raise OSError('Unlocking file failed: %r' % ctypes.FormatError())
3565
3566 else:
3567 # Some platforms, such as Jython, is missing fcntl
3568 try:
3569 import fcntl
3570
3571 def _lock_file(f, exclusive):
3572 fcntl.flock(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
3573
3574 def _unlock_file(f):
3575 fcntl.flock(f, fcntl.LOCK_UN)
3576 except ImportError:
3577 UNSUPPORTED_MSG = 'file locking is not supported on this platform'
3578
3579 def _lock_file(f, exclusive):
3580 raise IOError(UNSUPPORTED_MSG)
3581
3582 def _unlock_file(f):
3583 raise IOError(UNSUPPORTED_MSG)
3584
3585
3586 class locked_file(object):
3587 def __init__(self, filename, mode, encoding=None):
3588 assert mode in ['r', 'a', 'w']
3589 self.f = io.open(filename, mode, encoding=encoding)
3590 self.mode = mode
3591
3592 def __enter__(self):
3593 exclusive = self.mode != 'r'
3594 try:
3595 _lock_file(self.f, exclusive)
3596 except IOError:
3597 self.f.close()
3598 raise
3599 return self
3600
3601 def __exit__(self, etype, value, traceback):
3602 try:
3603 _unlock_file(self.f)
3604 finally:
3605 self.f.close()
3606
3607 def __iter__(self):
3608 return iter(self.f)
3609
3610 def write(self, *args):
3611 return self.f.write(*args)
3612
3613 def read(self, *args):
3614 return self.f.read(*args)
3615
3616
3617 def get_filesystem_encoding():
3618 encoding = sys.getfilesystemencoding()
3619 return encoding if encoding is not None else 'utf-8'
3620
3621
3622 def shell_quote(args):
3623 quoted_args = []
3624 encoding = get_filesystem_encoding()
3625 for a in args:
3626 if isinstance(a, bytes):
3627 # We may get a filename encoded with 'encodeFilename'
3628 a = a.decode(encoding)
3629 quoted_args.append(compat_shlex_quote(a))
3630 return ' '.join(quoted_args)
3631
3632
3633 def smuggle_url(url, data):
3634 """ Pass additional data in a URL for internal use. """
3635
3636 url, idata = unsmuggle_url(url, {})
3637 data.update(idata)
3638 sdata = compat_urllib_parse_urlencode(
3639 {'__youtubedl_smuggle': json.dumps(data)})
3640 return url + '#' + sdata
3641
3642
3643 def unsmuggle_url(smug_url, default=None):
3644 if '#__youtubedl_smuggle' not in smug_url:
3645 return smug_url, default
3646 url, _, sdata = smug_url.rpartition('#')
3647 jsond = compat_parse_qs(sdata)['__youtubedl_smuggle'][0]
3648 data = json.loads(jsond)
3649 return url, data
3650
3651
3652 def format_bytes(bytes):
3653 if bytes is None:
3654 return 'N/A'
3655 if type(bytes) is str:
3656 bytes = float(bytes)
3657 if bytes == 0.0:
3658 exponent = 0
3659 else:
3660 exponent = int(math.log(bytes, 1024.0))
3661 suffix = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'][exponent]
3662 converted = float(bytes) / float(1024 ** exponent)
3663 return '%.2f%s' % (converted, suffix)
3664
3665
3666 def lookup_unit_table(unit_table, s):
3667 units_re = '|'.join(re.escape(u) for u in unit_table)
3668 m = re.match(
3669 r'(?P<num>[0-9]+(?:[,.][0-9]*)?)\s*(?P<unit>%s)\b' % units_re, s)
3670 if not m:
3671 return None
3672 num_str = m.group('num').replace(',', '.')
3673 mult = unit_table[m.group('unit')]
3674 return int(float(num_str) * mult)
3675
3676
3677 def parse_filesize(s):
3678 if s is None:
3679 return None
3680
3681 # The lower-case forms are of course incorrect and unofficial,
3682 # but we support those too
3683 _UNIT_TABLE = {
3684 'B': 1,
3685 'b': 1,
3686 'bytes': 1,
3687 'KiB': 1024,
3688 'KB': 1000,
3689 'kB': 1024,
3690 'Kb': 1000,
3691 'kb': 1000,
3692 'kilobytes': 1000,
3693 'kibibytes': 1024,
3694 'MiB': 1024 ** 2,
3695 'MB': 1000 ** 2,
3696 'mB': 1024 ** 2,
3697 'Mb': 1000 ** 2,
3698 'mb': 1000 ** 2,
3699 'megabytes': 1000 ** 2,
3700 'mebibytes': 1024 ** 2,
3701 'GiB': 1024 ** 3,
3702 'GB': 1000 ** 3,
3703 'gB': 1024 ** 3,
3704 'Gb': 1000 ** 3,
3705 'gb': 1000 ** 3,
3706 'gigabytes': 1000 ** 3,
3707 'gibibytes': 1024 ** 3,
3708 'TiB': 1024 ** 4,
3709 'TB': 1000 ** 4,
3710 'tB': 1024 ** 4,
3711 'Tb': 1000 ** 4,
3712 'tb': 1000 ** 4,
3713 'terabytes': 1000 ** 4,
3714 'tebibytes': 1024 ** 4,
3715 'PiB': 1024 ** 5,
3716 'PB': 1000 ** 5,
3717 'pB': 1024 ** 5,
3718 'Pb': 1000 ** 5,
3719 'pb': 1000 ** 5,
3720 'petabytes': 1000 ** 5,
3721 'pebibytes': 1024 ** 5,
3722 'EiB': 1024 ** 6,
3723 'EB': 1000 ** 6,
3724 'eB': 1024 ** 6,
3725 'Eb': 1000 ** 6,
3726 'eb': 1000 ** 6,
3727 'exabytes': 1000 ** 6,
3728 'exbibytes': 1024 ** 6,
3729 'ZiB': 1024 ** 7,
3730 'ZB': 1000 ** 7,
3731 'zB': 1024 ** 7,
3732 'Zb': 1000 ** 7,
3733 'zb': 1000 ** 7,
3734 'zettabytes': 1000 ** 7,
3735 'zebibytes': 1024 ** 7,
3736 'YiB': 1024 ** 8,
3737 'YB': 1000 ** 8,
3738 'yB': 1024 ** 8,
3739 'Yb': 1000 ** 8,
3740 'yb': 1000 ** 8,
3741 'yottabytes': 1000 ** 8,
3742 'yobibytes': 1024 ** 8,
3743 }
3744
3745 return lookup_unit_table(_UNIT_TABLE, s)
3746
3747
3748 def parse_count(s):
3749 if s is None:
3750 return None
3751
3752 s = s.strip()
3753
3754 if re.match(r'^[\d,.]+$', s):
3755 return str_to_int(s)
3756
3757 _UNIT_TABLE = {
3758 'k': 1000,
3759 'K': 1000,
3760 'm': 1000 ** 2,
3761 'M': 1000 ** 2,
3762 'kk': 1000 ** 2,
3763 'KK': 1000 ** 2,
3764 }
3765
3766 return lookup_unit_table(_UNIT_TABLE, s)
3767
3768
3769 def parse_resolution(s):
3770 if s is None:
3771 return {}
3772
3773 mobj = re.search(r'(?<![a-zA-Z0-9])(?P<w>\d+)\s*[xX×,]\s*(?P<h>\d+)(?![a-zA-Z0-9])', s)
3774 if mobj:
3775 return {
3776 'width': int(mobj.group('w')),
3777 'height': int(mobj.group('h')),
3778 }
3779
3780 mobj = re.search(r'(?<![a-zA-Z0-9])(\d+)[pPiI](?![a-zA-Z0-9])', s)
3781 if mobj:
3782 return {'height': int(mobj.group(1))}
3783
3784 mobj = re.search(r'\b([48])[kK]\b', s)
3785 if mobj:
3786 return {'height': int(mobj.group(1)) * 540}
3787
3788 return {}
3789
3790
3791 def parse_bitrate(s):
3792 if not isinstance(s, compat_str):
3793 return
3794 mobj = re.search(r'\b(\d+)\s*kbps', s)
3795 if mobj:
3796 return int(mobj.group(1))
3797
3798
3799 def month_by_name(name, lang='en'):
3800 """ Return the number of a month by (locale-independently) English name """
3801
3802 month_names = MONTH_NAMES.get(lang, MONTH_NAMES['en'])
3803
3804 try:
3805 return month_names.index(name) + 1
3806 except ValueError:
3807 return None
3808
3809
3810 def month_by_abbreviation(abbrev):
3811 """ Return the number of a month by (locale-independently) English
3812 abbreviations """
3813
3814 try:
3815 return [s[:3] for s in ENGLISH_MONTH_NAMES].index(abbrev) + 1
3816 except ValueError:
3817 return None
3818
3819
3820 def fix_xml_ampersands(xml_str):
3821 """Replace all the '&' by '&amp;' in XML"""
3822 return re.sub(
3823 r'&(?!amp;|lt;|gt;|apos;|quot;|#x[0-9a-fA-F]{,4};|#[0-9]{,4};)',
3824 '&amp;',
3825 xml_str)
3826
3827
3828 def setproctitle(title):
3829 assert isinstance(title, compat_str)
3830
3831 # ctypes in Jython is not complete
3832 # http://bugs.jython.org/issue2148
3833 if sys.platform.startswith('java'):
3834 return
3835
3836 try:
3837 libc = ctypes.cdll.LoadLibrary('libc.so.6')
3838 except OSError:
3839 return
3840 except TypeError:
3841 # LoadLibrary in Windows Python 2.7.13 only expects
3842 # a bytestring, but since unicode_literals turns
3843 # every string into a unicode string, it fails.
3844 return
3845 title_bytes = title.encode('utf-8')
3846 buf = ctypes.create_string_buffer(len(title_bytes))
3847 buf.value = title_bytes
3848 try:
3849 libc.prctl(15, buf, 0, 0, 0)
3850 except AttributeError:
3851 return # Strange libc, just skip this
3852
3853
3854 def remove_start(s, start):
3855 return s[len(start):] if s is not None and s.startswith(start) else s
3856
3857
3858 def remove_end(s, end):
3859 return s[:-len(end)] if s is not None and s.endswith(end) else s
3860
3861
3862 def remove_quotes(s):
3863 if s is None or len(s) < 2:
3864 return s
3865 for quote in ('"', "'", ):
3866 if s[0] == quote and s[-1] == quote:
3867 return s[1:-1]
3868 return s
3869
3870
3871 def get_domain(url):
3872 domain = re.match(r'(?:https?:\/\/)?(?:www\.)?(?P<domain>[^\n\/]+\.[^\n\/]+)(?:\/(.*))?', url)
3873 return domain.group('domain') if domain else None
3874
3875
3876 def url_basename(url):
3877 path = compat_urlparse.urlparse(url).path
3878 return path.strip('/').split('/')[-1]
3879
3880
3881 def base_url(url):
3882 return re.match(r'https?://[^?#&]+/', url).group()
3883
3884
3885 def urljoin(base, path):
3886 if isinstance(path, bytes):
3887 path = path.decode('utf-8')
3888 if not isinstance(path, compat_str) or not path:
3889 return None
3890 if re.match(r'^(?:[a-zA-Z][a-zA-Z0-9+-.]*:)?//', path):
3891 return path
3892 if isinstance(base, bytes):
3893 base = base.decode('utf-8')
3894 if not isinstance(base, compat_str) or not re.match(
3895 r'^(?:https?:)?//', base):
3896 return None
3897 return compat_urlparse.urljoin(base, path)
3898
3899
3900 class HEADRequest(compat_urllib_request.Request):
3901 def get_method(self):
3902 return 'HEAD'
3903
3904
3905 class PUTRequest(compat_urllib_request.Request):
3906 def get_method(self):
3907 return 'PUT'
3908
3909
3910 def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1):
3911 if get_attr:
3912 if v is not None:
3913 v = getattr(v, get_attr, None)
3914 if v == '':
3915 v = None
3916 if v is None:
3917 return default
3918 try:
3919 return int(v) * invscale // scale
3920 except (ValueError, TypeError, OverflowError):
3921 return default
3922
3923
3924 def str_or_none(v, default=None):
3925 return default if v is None else compat_str(v)
3926
3927
3928 def str_to_int(int_str):
3929 """ A more relaxed version of int_or_none """
3930 if isinstance(int_str, compat_integer_types):
3931 return int_str
3932 elif isinstance(int_str, compat_str):
3933 int_str = re.sub(r'[,\.\+]', '', int_str)
3934 return int_or_none(int_str)
3935
3936
3937 def float_or_none(v, scale=1, invscale=1, default=None):
3938 if v is None:
3939 return default
3940 try:
3941 return float(v) * invscale / scale
3942 except (ValueError, TypeError):
3943 return default
3944
3945
3946 def bool_or_none(v, default=None):
3947 return v if isinstance(v, bool) else default
3948
3949
3950 def strip_or_none(v, default=None):
3951 return v.strip() if isinstance(v, compat_str) else default
3952
3953
3954 def url_or_none(url):
3955 if not url or not isinstance(url, compat_str):
3956 return None
3957 url = url.strip()
3958 return url if re.match(r'^(?:(?:https?|rt(?:m(?:pt?[es]?|fp)|sp[su]?)|mms|ftps?):)?//', url) else None
3959
3960
3961 def strftime_or_none(timestamp, date_format, default=None):
3962 datetime_object = None
3963 try:
3964 if isinstance(timestamp, compat_numeric_types): # unix timestamp
3965 datetime_object = datetime.datetime.utcfromtimestamp(timestamp)
3966 elif isinstance(timestamp, compat_str): # assume YYYYMMDD
3967 datetime_object = datetime.datetime.strptime(timestamp, '%Y%m%d')
3968 return datetime_object.strftime(date_format)
3969 except (ValueError, TypeError, AttributeError):
3970 return default
3971
3972
3973 def parse_duration(s):
3974 if not isinstance(s, compat_basestring):
3975 return None
3976 s = s.strip()
3977 if not s:
3978 return None
3979
3980 days, hours, mins, secs, ms = [None] * 5
3981 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?$', s)
3982 if m:
3983 days, hours, mins, secs, ms = m.groups()
3984 else:
3985 m = re.match(
3986 r'''(?ix)(?:P?
3987 (?:
3988 [0-9]+\s*y(?:ears?)?\s*
3989 )?
3990 (?:
3991 [0-9]+\s*m(?:onths?)?\s*
3992 )?
3993 (?:
3994 [0-9]+\s*w(?:eeks?)?\s*
3995 )?
3996 (?:
3997 (?P<days>[0-9]+)\s*d(?:ays?)?\s*
3998 )?
3999 T)?
4000 (?:
4001 (?P<hours>[0-9]+)\s*h(?:ours?)?\s*
4002 )?
4003 (?:
4004 (?P<mins>[0-9]+)\s*m(?:in(?:ute)?s?)?\s*
4005 )?
4006 (?:
4007 (?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*s(?:ec(?:ond)?s?)?\s*
4008 )?Z?$''', s)
4009 if m:
4010 days, hours, mins, secs, ms = m.groups()
4011 else:
4012 m = re.match(r'(?i)(?:(?P<hours>[0-9.]+)\s*(?:hours?)|(?P<mins>[0-9.]+)\s*(?:mins?\.?|minutes?)\s*)Z?$', s)
4013 if m:
4014 hours, mins = m.groups()
4015 else:
4016 return None
4017
4018 duration = 0
4019 if secs:
4020 duration += float(secs)
4021 if mins:
4022 duration += float(mins) * 60
4023 if hours:
4024 duration += float(hours) * 60 * 60
4025 if days:
4026 duration += float(days) * 24 * 60 * 60
4027 if ms:
4028 duration += float(ms)
4029 return duration
4030
4031
4032 def prepend_extension(filename, ext, expected_real_ext=None):
4033 name, real_ext = os.path.splitext(filename)
4034 return (
4035 '{0}.{1}{2}'.format(name, ext, real_ext)
4036 if not expected_real_ext or real_ext[1:] == expected_real_ext
4037 else '{0}.{1}'.format(filename, ext))
4038
4039
4040 def replace_extension(filename, ext, expected_real_ext=None):
4041 name, real_ext = os.path.splitext(filename)
4042 return '{0}.{1}'.format(
4043 name if not expected_real_ext or real_ext[1:] == expected_real_ext else filename,
4044 ext)
4045
4046
4047 def check_executable(exe, args=[]):
4048 """ Checks if the given binary is installed somewhere in PATH, and returns its name.
4049 args can be a list of arguments for a short output (like -version) """
4050 try:
4051 Popen([exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate_or_kill()
4052 except OSError:
4053 return False
4054 return exe
4055
4056
4057 def _get_exe_version_output(exe, args):
4058 try:
4059 # STDIN should be redirected too. On UNIX-like systems, ffmpeg triggers
4060 # SIGTTOU if yt-dlp is run in the background.
4061 # See https://github.com/ytdl-org/youtube-dl/issues/955#issuecomment-209789656
4062 out, _ = Popen(
4063 [encodeArgument(exe)] + args, stdin=subprocess.PIPE,
4064 stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate_or_kill()
4065 except OSError:
4066 return False
4067 if isinstance(out, bytes): # Python 2.x
4068 out = out.decode('ascii', 'ignore')
4069 return out
4070
4071
4072 def detect_exe_version(output, version_re=None, unrecognized='present'):
4073 assert isinstance(output, compat_str)
4074 if version_re is None:
4075 version_re = r'version\s+([-0-9._a-zA-Z]+)'
4076 m = re.search(version_re, output)
4077 if m:
4078 return m.group(1)
4079 else:
4080 return unrecognized
4081
4082
4083 def get_exe_version(exe, args=['--version'],
4084 version_re=None, unrecognized='present'):
4085 """ Returns the version of the specified executable,
4086 or False if the executable is not present """
4087 out = _get_exe_version_output(exe, args)
4088 return detect_exe_version(out, version_re, unrecognized) if out else False
4089
4090
4091 class LazyList(collections.abc.Sequence):
4092 ''' Lazy immutable list from an iterable
4093 Note that slices of a LazyList are lists and not LazyList'''
4094
4095 class IndexError(IndexError):
4096 pass
4097
4098 def __init__(self, iterable, *, reverse=False, _cache=None):
4099 self.__iterable = iter(iterable)
4100 self.__cache = [] if _cache is None else _cache
4101 self.__reversed = reverse
4102
4103 def __iter__(self):
4104 if self.__reversed:
4105 # We need to consume the entire iterable to iterate in reverse
4106 yield from self.exhaust()
4107 return
4108 yield from self.__cache
4109 for item in self.__iterable:
4110 self.__cache.append(item)
4111 yield item
4112
4113 def __exhaust(self):
4114 self.__cache.extend(self.__iterable)
4115 # Discard the emptied iterable to make it pickle-able
4116 self.__iterable = []
4117 return self.__cache
4118
4119 def exhaust(self):
4120 ''' Evaluate the entire iterable '''
4121 return self.__exhaust()[::-1 if self.__reversed else 1]
4122
4123 @staticmethod
4124 def __reverse_index(x):
4125 return None if x is None else -(x + 1)
4126
4127 def __getitem__(self, idx):
4128 if isinstance(idx, slice):
4129 if self.__reversed:
4130 idx = slice(self.__reverse_index(idx.start), self.__reverse_index(idx.stop), -(idx.step or 1))
4131 start, stop, step = idx.start, idx.stop, idx.step or 1
4132 elif isinstance(idx, int):
4133 if self.__reversed:
4134 idx = self.__reverse_index(idx)
4135 start, stop, step = idx, idx, 0
4136 else:
4137 raise TypeError('indices must be integers or slices')
4138 if ((start or 0) < 0 or (stop or 0) < 0
4139 or (start is None and step < 0)
4140 or (stop is None and step > 0)):
4141 # We need to consume the entire iterable to be able to slice from the end
4142 # Obviously, never use this with infinite iterables
4143 self.__exhaust()
4144 try:
4145 return self.__cache[idx]
4146 except IndexError as e:
4147 raise self.IndexError(e) from e
4148 n = max(start or 0, stop or 0) - len(self.__cache) + 1
4149 if n > 0:
4150 self.__cache.extend(itertools.islice(self.__iterable, n))
4151 try:
4152 return self.__cache[idx]
4153 except IndexError as e:
4154 raise self.IndexError(e) from e
4155
4156 def __bool__(self):
4157 try:
4158 self[-1] if self.__reversed else self[0]
4159 except self.IndexError:
4160 return False
4161 return True
4162
4163 def __len__(self):
4164 self.__exhaust()
4165 return len(self.__cache)
4166
4167 def __reversed__(self):
4168 return type(self)(self.__iterable, reverse=not self.__reversed, _cache=self.__cache)
4169
4170 def __copy__(self):
4171 return type(self)(self.__iterable, reverse=self.__reversed, _cache=self.__cache)
4172
4173 def __deepcopy__(self, memo):
4174 # FIXME: This is actually just a shallow copy
4175 id_ = id(self)
4176 memo[id_] = self.__copy__()
4177 return memo[id_]
4178
4179 def __repr__(self):
4180 # repr and str should mimic a list. So we exhaust the iterable
4181 return repr(self.exhaust())
4182
4183 def __str__(self):
4184 return repr(self.exhaust())
4185
4186
4187 class PagedList:
4188
4189 class IndexError(IndexError):
4190 pass
4191
4192 def __len__(self):
4193 # This is only useful for tests
4194 return len(self.getslice())
4195
4196 def __init__(self, pagefunc, pagesize, use_cache=True):
4197 self._pagefunc = pagefunc
4198 self._pagesize = pagesize
4199 self._use_cache = use_cache
4200 self._cache = {}
4201
4202 def getpage(self, pagenum):
4203 page_results = self._cache.get(pagenum)
4204 if page_results is None:
4205 page_results = list(self._pagefunc(pagenum))
4206 if self._use_cache:
4207 self._cache[pagenum] = page_results
4208 return page_results
4209
4210 def getslice(self, start=0, end=None):
4211 return list(self._getslice(start, end))
4212
4213 def _getslice(self, start, end):
4214 raise NotImplementedError('This method must be implemented by subclasses')
4215
4216 def __getitem__(self, idx):
4217 # NOTE: cache must be enabled if this is used
4218 if not isinstance(idx, int) or idx < 0:
4219 raise TypeError('indices must be non-negative integers')
4220 entries = self.getslice(idx, idx + 1)
4221 if not entries:
4222 raise self.IndexError()
4223 return entries[0]
4224
4225
4226 class OnDemandPagedList(PagedList):
4227 def _getslice(self, start, end):
4228 for pagenum in itertools.count(start // self._pagesize):
4229 firstid = pagenum * self._pagesize
4230 nextfirstid = pagenum * self._pagesize + self._pagesize
4231 if start >= nextfirstid:
4232 continue
4233
4234 startv = (
4235 start % self._pagesize
4236 if firstid <= start < nextfirstid
4237 else 0)
4238 endv = (
4239 ((end - 1) % self._pagesize) + 1
4240 if (end is not None and firstid <= end <= nextfirstid)
4241 else None)
4242
4243 page_results = self.getpage(pagenum)
4244 if startv != 0 or endv is not None:
4245 page_results = page_results[startv:endv]
4246 yield from page_results
4247
4248 # A little optimization - if current page is not "full", ie. does
4249 # not contain page_size videos then we can assume that this page
4250 # is the last one - there are no more ids on further pages -
4251 # i.e. no need to query again.
4252 if len(page_results) + startv < self._pagesize:
4253 break
4254
4255 # If we got the whole page, but the next page is not interesting,
4256 # break out early as well
4257 if end == nextfirstid:
4258 break
4259
4260
4261 class InAdvancePagedList(PagedList):
4262 def __init__(self, pagefunc, pagecount, pagesize):
4263 self._pagecount = pagecount
4264 PagedList.__init__(self, pagefunc, pagesize, True)
4265
4266 def _getslice(self, start, end):
4267 start_page = start // self._pagesize
4268 end_page = (
4269 self._pagecount if end is None else (end // self._pagesize + 1))
4270 skip_elems = start - start_page * self._pagesize
4271 only_more = None if end is None else end - start
4272 for pagenum in range(start_page, end_page):
4273 page_results = self.getpage(pagenum)
4274 if skip_elems:
4275 page_results = page_results[skip_elems:]
4276 skip_elems = None
4277 if only_more is not None:
4278 if len(page_results) < only_more:
4279 only_more -= len(page_results)
4280 else:
4281 yield from page_results[:only_more]
4282 break
4283 yield from page_results
4284
4285
4286 def uppercase_escape(s):
4287 unicode_escape = codecs.getdecoder('unicode_escape')
4288 return re.sub(
4289 r'\\U[0-9a-fA-F]{8}',
4290 lambda m: unicode_escape(m.group(0))[0],
4291 s)
4292
4293
4294 def lowercase_escape(s):
4295 unicode_escape = codecs.getdecoder('unicode_escape')
4296 return re.sub(
4297 r'\\u[0-9a-fA-F]{4}',
4298 lambda m: unicode_escape(m.group(0))[0],
4299 s)
4300
4301
4302 def escape_rfc3986(s):
4303 """Escape non-ASCII characters as suggested by RFC 3986"""
4304 if sys.version_info < (3, 0) and isinstance(s, compat_str):
4305 s = s.encode('utf-8')
4306 return compat_urllib_parse.quote(s, b"%/;:@&=+$,!~*'()?#[]")
4307
4308
4309 def escape_url(url):
4310 """Escape URL as suggested by RFC 3986"""
4311 url_parsed = compat_urllib_parse_urlparse(url)
4312 return url_parsed._replace(
4313 netloc=url_parsed.netloc.encode('idna').decode('ascii'),
4314 path=escape_rfc3986(url_parsed.path),
4315 params=escape_rfc3986(url_parsed.params),
4316 query=escape_rfc3986(url_parsed.query),
4317 fragment=escape_rfc3986(url_parsed.fragment)
4318 ).geturl()
4319
4320
4321 def parse_qs(url):
4322 return compat_parse_qs(compat_urllib_parse_urlparse(url).query)
4323
4324
4325 def read_batch_urls(batch_fd):
4326 def fixup(url):
4327 if not isinstance(url, compat_str):
4328 url = url.decode('utf-8', 'replace')
4329 BOM_UTF8 = ('\xef\xbb\xbf', '\ufeff')
4330 for bom in BOM_UTF8:
4331 if url.startswith(bom):
4332 url = url[len(bom):]
4333 url = url.lstrip()
4334 if not url or url.startswith(('#', ';', ']')):
4335 return False
4336 # "#" cannot be stripped out since it is part of the URI
4337 # However, it can be safely stipped out if follwing a whitespace
4338 return re.split(r'\s#', url, 1)[0].rstrip()
4339
4340 with contextlib.closing(batch_fd) as fd:
4341 return [url for url in map(fixup, fd) if url]
4342
4343
4344 def urlencode_postdata(*args, **kargs):
4345 return compat_urllib_parse_urlencode(*args, **kargs).encode('ascii')
4346
4347
4348 def update_url_query(url, query):
4349 if not query:
4350 return url
4351 parsed_url = compat_urlparse.urlparse(url)
4352 qs = compat_parse_qs(parsed_url.query)
4353 qs.update(query)
4354 return compat_urlparse.urlunparse(parsed_url._replace(
4355 query=compat_urllib_parse_urlencode(qs, True)))
4356
4357
4358 def update_Request(req, url=None, data=None, headers={}, query={}):
4359 req_headers = req.headers.copy()
4360 req_headers.update(headers)
4361 req_data = data or req.data
4362 req_url = update_url_query(url or req.get_full_url(), query)
4363 req_get_method = req.get_method()
4364 if req_get_method == 'HEAD':
4365 req_type = HEADRequest
4366 elif req_get_method == 'PUT':
4367 req_type = PUTRequest
4368 else:
4369 req_type = compat_urllib_request.Request
4370 new_req = req_type(
4371 req_url, data=req_data, headers=req_headers,
4372 origin_req_host=req.origin_req_host, unverifiable=req.unverifiable)
4373 if hasattr(req, 'timeout'):
4374 new_req.timeout = req.timeout
4375 return new_req
4376
4377
4378 def _multipart_encode_impl(data, boundary):
4379 content_type = 'multipart/form-data; boundary=%s' % boundary
4380
4381 out = b''
4382 for k, v in data.items():
4383 out += b'--' + boundary.encode('ascii') + b'\r\n'
4384 if isinstance(k, compat_str):
4385 k = k.encode('utf-8')
4386 if isinstance(v, compat_str):
4387 v = v.encode('utf-8')
4388 # RFC 2047 requires non-ASCII field names to be encoded, while RFC 7578
4389 # suggests sending UTF-8 directly. Firefox sends UTF-8, too
4390 content = b'Content-Disposition: form-data; name="' + k + b'"\r\n\r\n' + v + b'\r\n'
4391 if boundary.encode('ascii') in content:
4392 raise ValueError('Boundary overlaps with data')
4393 out += content
4394
4395 out += b'--' + boundary.encode('ascii') + b'--\r\n'
4396
4397 return out, content_type
4398
4399
4400 def multipart_encode(data, boundary=None):
4401 '''
4402 Encode a dict to RFC 7578-compliant form-data
4403
4404 data:
4405 A dict where keys and values can be either Unicode or bytes-like
4406 objects.
4407 boundary:
4408 If specified a Unicode object, it's used as the boundary. Otherwise
4409 a random boundary is generated.
4410
4411 Reference: https://tools.ietf.org/html/rfc7578
4412 '''
4413 has_specified_boundary = boundary is not None
4414
4415 while True:
4416 if boundary is None:
4417 boundary = '---------------' + str(random.randrange(0x0fffffff, 0xffffffff))
4418
4419 try:
4420 out, content_type = _multipart_encode_impl(data, boundary)
4421 break
4422 except ValueError:
4423 if has_specified_boundary:
4424 raise
4425 boundary = None
4426
4427 return out, content_type
4428
4429
4430 def dict_get(d, key_or_keys, default=None, skip_false_values=True):
4431 if isinstance(key_or_keys, (list, tuple)):
4432 for key in key_or_keys:
4433 if key not in d or d[key] is None or skip_false_values and not d[key]:
4434 continue
4435 return d[key]
4436 return default
4437 return d.get(key_or_keys, default)
4438
4439
4440 def try_get(src, getter, expected_type=None):
4441 for get in variadic(getter):
4442 try:
4443 v = get(src)
4444 except (AttributeError, KeyError, TypeError, IndexError):
4445 pass
4446 else:
4447 if expected_type is None or isinstance(v, expected_type):
4448 return v
4449
4450
4451 def merge_dicts(*dicts):
4452 merged = {}
4453 for a_dict in dicts:
4454 for k, v in a_dict.items():
4455 if v is None:
4456 continue
4457 if (k not in merged
4458 or (isinstance(v, compat_str) and v
4459 and isinstance(merged[k], compat_str)
4460 and not merged[k])):
4461 merged[k] = v
4462 return merged
4463
4464
4465 def encode_compat_str(string, encoding=preferredencoding(), errors='strict'):
4466 return string if isinstance(string, compat_str) else compat_str(string, encoding, errors)
4467
4468
4469 US_RATINGS = {
4470 'G': 0,
4471 'PG': 10,
4472 'PG-13': 13,
4473 'R': 16,
4474 'NC': 18,
4475 }
4476
4477
4478 TV_PARENTAL_GUIDELINES = {
4479 'TV-Y': 0,
4480 'TV-Y7': 7,
4481 'TV-G': 0,
4482 'TV-PG': 0,
4483 'TV-14': 14,
4484 'TV-MA': 17,
4485 }
4486
4487
4488 def parse_age_limit(s):
4489 if type(s) == int:
4490 return s if 0 <= s <= 21 else None
4491 if not isinstance(s, compat_basestring):
4492 return None
4493 m = re.match(r'^(?P<age>\d{1,2})\+?$', s)
4494 if m:
4495 return int(m.group('age'))
4496 s = s.upper()
4497 if s in US_RATINGS:
4498 return US_RATINGS[s]
4499 m = re.match(r'^TV[_-]?(%s)$' % '|'.join(k[3:] for k in TV_PARENTAL_GUIDELINES), s)
4500 if m:
4501 return TV_PARENTAL_GUIDELINES['TV-' + m.group(1)]
4502 return None
4503
4504
4505 def strip_jsonp(code):
4506 return re.sub(
4507 r'''(?sx)^
4508 (?:window\.)?(?P<func_name>[a-zA-Z0-9_.$]*)
4509 (?:\s*&&\s*(?P=func_name))?
4510 \s*\(\s*(?P<callback_data>.*)\);?
4511 \s*?(?://[^\n]*)*$''',
4512 r'\g<callback_data>', code)
4513
4514
4515 def js_to_json(code, vars={}):
4516 # vars is a dict of var, val pairs to substitute
4517 COMMENT_RE = r'/\*(?:(?!\*/).)*?\*/|//[^\n]*\n'
4518 SKIP_RE = r'\s*(?:{comment})?\s*'.format(comment=COMMENT_RE)
4519 INTEGER_TABLE = (
4520 (r'(?s)^(0[xX][0-9a-fA-F]+){skip}:?$'.format(skip=SKIP_RE), 16),
4521 (r'(?s)^(0+[0-7]+){skip}:?$'.format(skip=SKIP_RE), 8),
4522 )
4523
4524 def fix_kv(m):
4525 v = m.group(0)
4526 if v in ('true', 'false', 'null'):
4527 return v
4528 elif v in ('undefined', 'void 0'):
4529 return 'null'
4530 elif v.startswith('/*') or v.startswith('//') or v.startswith('!') or v == ',':
4531 return ""
4532
4533 if v[0] in ("'", '"'):
4534 v = re.sub(r'(?s)\\.|"', lambda m: {
4535 '"': '\\"',
4536 "\\'": "'",
4537 '\\\n': '',
4538 '\\x': '\\u00',
4539 }.get(m.group(0), m.group(0)), v[1:-1])
4540 else:
4541 for regex, base in INTEGER_TABLE:
4542 im = re.match(regex, v)
4543 if im:
4544 i = int(im.group(1), base)
4545 return '"%d":' % i if v.endswith(':') else '%d' % i
4546
4547 if v in vars:
4548 return vars[v]
4549
4550 return '"%s"' % v
4551
4552 return re.sub(r'''(?sx)
4553 "(?:[^"\\]*(?:\\\\|\\['"nurtbfx/\n]))*[^"\\]*"|
4554 '(?:[^'\\]*(?:\\\\|\\['"nurtbfx/\n]))*[^'\\]*'|
4555 {comment}|,(?={skip}[\]}}])|
4556 void\s0|(?:(?<![0-9])[eE]|[a-df-zA-DF-Z_$])[.a-zA-Z_$0-9]*|
4557 \b(?:0[xX][0-9a-fA-F]+|0+[0-7]+)(?:{skip}:)?|
4558 [0-9]+(?={skip}:)|
4559 !+
4560 '''.format(comment=COMMENT_RE, skip=SKIP_RE), fix_kv, code)
4561
4562
4563 def qualities(quality_ids):
4564 """ Get a numeric quality value out of a list of possible values """
4565 def q(qid):
4566 try:
4567 return quality_ids.index(qid)
4568 except ValueError:
4569 return -1
4570 return q
4571
4572
4573 DEFAULT_OUTTMPL = {
4574 'default': '%(title)s [%(id)s].%(ext)s',
4575 'chapter': '%(title)s - %(section_number)03d %(section_title)s [%(id)s].%(ext)s',
4576 }
4577 OUTTMPL_TYPES = {
4578 'chapter': None,
4579 'subtitle': None,
4580 'thumbnail': None,
4581 'description': 'description',
4582 'annotation': 'annotations.xml',
4583 'infojson': 'info.json',
4584 'link': None,
4585 'pl_thumbnail': None,
4586 'pl_description': 'description',
4587 'pl_infojson': 'info.json',
4588 }
4589
4590 # As of [1] format syntax is:
4591 # %[mapping_key][conversion_flags][minimum_width][.precision][length_modifier]type
4592 # 1. https://docs.python.org/2/library/stdtypes.html#string-formatting
4593 STR_FORMAT_RE_TMPL = r'''(?x)
4594 (?<!%)(?P<prefix>(?:%%)*)
4595 %
4596 (?P<has_key>\((?P<key>{0})\))?
4597 (?P<format>
4598 (?P<conversion>[#0\-+ ]+)?
4599 (?P<min_width>\d+)?
4600 (?P<precision>\.\d+)?
4601 (?P<len_mod>[hlL])? # unused in python
4602 {1} # conversion type
4603 )
4604 '''
4605
4606
4607 STR_FORMAT_TYPES = 'diouxXeEfFgGcrs'
4608
4609
4610 def limit_length(s, length):
4611 """ Add ellipses to overly long strings """
4612 if s is None:
4613 return None
4614 ELLIPSES = '...'
4615 if len(s) > length:
4616 return s[:length - len(ELLIPSES)] + ELLIPSES
4617 return s
4618
4619
4620 def version_tuple(v):
4621 return tuple(int(e) for e in re.split(r'[-.]', v))
4622
4623
4624 def is_outdated_version(version, limit, assume_new=True):
4625 if not version:
4626 return not assume_new
4627 try:
4628 return version_tuple(version) < version_tuple(limit)
4629 except ValueError:
4630 return not assume_new
4631
4632
4633 def ytdl_is_updateable():
4634 """ Returns if yt-dlp can be updated with -U """
4635
4636 from .update import is_non_updateable
4637
4638 return not is_non_updateable()
4639
4640
4641 def args_to_str(args):
4642 # Get a short string representation for a subprocess command
4643 return ' '.join(compat_shlex_quote(a) for a in args)
4644
4645
4646 def error_to_compat_str(err):
4647 err_str = str(err)
4648 # On python 2 error byte string must be decoded with proper
4649 # encoding rather than ascii
4650 if sys.version_info[0] < 3:
4651 err_str = err_str.decode(preferredencoding())
4652 return err_str
4653
4654
4655 def mimetype2ext(mt):
4656 if mt is None:
4657 return None
4658
4659 mt, _, params = mt.partition(';')
4660 mt = mt.strip()
4661
4662 FULL_MAP = {
4663 'audio/mp4': 'm4a',
4664 # Per RFC 3003, audio/mpeg can be .mp1, .mp2 or .mp3. Here use .mp3 as
4665 # it's the most popular one
4666 'audio/mpeg': 'mp3',
4667 'audio/x-wav': 'wav',
4668 'audio/wav': 'wav',
4669 'audio/wave': 'wav',
4670 }
4671
4672 ext = FULL_MAP.get(mt)
4673 if ext is not None:
4674 return ext
4675
4676 SUBTYPE_MAP = {
4677 '3gpp': '3gp',
4678 'smptett+xml': 'tt',
4679 'ttaf+xml': 'dfxp',
4680 'ttml+xml': 'ttml',
4681 'x-flv': 'flv',
4682 'x-mp4-fragmented': 'mp4',
4683 'x-ms-sami': 'sami',
4684 'x-ms-wmv': 'wmv',
4685 'mpegurl': 'm3u8',
4686 'x-mpegurl': 'm3u8',
4687 'vnd.apple.mpegurl': 'm3u8',
4688 'dash+xml': 'mpd',
4689 'f4m+xml': 'f4m',
4690 'hds+xml': 'f4m',
4691 'vnd.ms-sstr+xml': 'ism',
4692 'quicktime': 'mov',
4693 'mp2t': 'ts',
4694 'x-wav': 'wav',
4695 'filmstrip+json': 'fs',
4696 'svg+xml': 'svg',
4697 }
4698
4699 _, _, subtype = mt.rpartition('/')
4700 ext = SUBTYPE_MAP.get(subtype.lower())
4701 if ext is not None:
4702 return ext
4703
4704 SUFFIX_MAP = {
4705 'json': 'json',
4706 'xml': 'xml',
4707 'zip': 'zip',
4708 'gzip': 'gz',
4709 }
4710
4711 _, _, suffix = subtype.partition('+')
4712 ext = SUFFIX_MAP.get(suffix)
4713 if ext is not None:
4714 return ext
4715
4716 return subtype.replace('+', '.')
4717
4718
4719 def ext2mimetype(ext_or_url):
4720 if not ext_or_url:
4721 return None
4722 if '.' not in ext_or_url:
4723 ext_or_url = f'file.{ext_or_url}'
4724 return mimetypes.guess_type(ext_or_url)[0]
4725
4726
4727 def parse_codecs(codecs_str):
4728 # http://tools.ietf.org/html/rfc6381
4729 if not codecs_str:
4730 return {}
4731 split_codecs = list(filter(None, map(
4732 str.strip, codecs_str.strip().strip(',').split(','))))
4733 vcodec, acodec, hdr = None, None, None
4734 for full_codec in split_codecs:
4735 parts = full_codec.split('.')
4736 codec = parts[0].replace('0', '')
4737 if codec in ('avc1', 'avc2', 'avc3', 'avc4', 'vp9', 'vp8', 'hev1', 'hev2',
4738 'h263', 'h264', 'mp4v', 'hvc1', 'av1', 'theora', 'dvh1', 'dvhe'):
4739 if not vcodec:
4740 vcodec = '.'.join(parts[:4]) if codec in ('vp9', 'av1') else full_codec
4741 if codec in ('dvh1', 'dvhe'):
4742 hdr = 'DV'
4743 elif codec == 'av1' and len(parts) > 3 and parts[3] == '10':
4744 hdr = 'HDR10'
4745 elif full_codec.replace('0', '').startswith('vp9.2'):
4746 hdr = 'HDR10'
4747 elif codec in ('mp4a', 'opus', 'vorbis', 'mp3', 'aac', 'ac-3', 'ec-3', 'eac3', 'dtsc', 'dtse', 'dtsh', 'dtsl'):
4748 if not acodec:
4749 acodec = full_codec
4750 else:
4751 write_string('WARNING: Unknown codec %s\n' % full_codec, sys.stderr)
4752 if not vcodec and not acodec:
4753 if len(split_codecs) == 2:
4754 return {
4755 'vcodec': split_codecs[0],
4756 'acodec': split_codecs[1],
4757 }
4758 else:
4759 return {
4760 'vcodec': vcodec or 'none',
4761 'acodec': acodec or 'none',
4762 'dynamic_range': hdr,
4763 }
4764 return {}
4765
4766
4767 def urlhandle_detect_ext(url_handle):
4768 getheader = url_handle.headers.get
4769
4770 cd = getheader('Content-Disposition')
4771 if cd:
4772 m = re.match(r'attachment;\s*filename="(?P<filename>[^"]+)"', cd)
4773 if m:
4774 e = determine_ext(m.group('filename'), default_ext=None)
4775 if e:
4776 return e
4777
4778 return mimetype2ext(getheader('Content-Type'))
4779
4780
4781 def encode_data_uri(data, mime_type):
4782 return 'data:%s;base64,%s' % (mime_type, base64.b64encode(data).decode('ascii'))
4783
4784
4785 def age_restricted(content_limit, age_limit):
4786 """ Returns True iff the content should be blocked """
4787
4788 if age_limit is None: # No limit set
4789 return False
4790 if content_limit is None:
4791 return False # Content available for everyone
4792 return age_limit < content_limit
4793
4794
4795 def is_html(first_bytes):
4796 """ Detect whether a file contains HTML by examining its first bytes. """
4797
4798 BOMS = [
4799 (b'\xef\xbb\xbf', 'utf-8'),
4800 (b'\x00\x00\xfe\xff', 'utf-32-be'),
4801 (b'\xff\xfe\x00\x00', 'utf-32-le'),
4802 (b'\xff\xfe', 'utf-16-le'),
4803 (b'\xfe\xff', 'utf-16-be'),
4804 ]
4805 for bom, enc in BOMS:
4806 if first_bytes.startswith(bom):
4807 s = first_bytes[len(bom):].decode(enc, 'replace')
4808 break
4809 else:
4810 s = first_bytes.decode('utf-8', 'replace')
4811
4812 return re.match(r'^\s*<', s)
4813
4814
4815 def determine_protocol(info_dict):
4816 protocol = info_dict.get('protocol')
4817 if protocol is not None:
4818 return protocol
4819
4820 url = sanitize_url(info_dict['url'])
4821 if url.startswith('rtmp'):
4822 return 'rtmp'
4823 elif url.startswith('mms'):
4824 return 'mms'
4825 elif url.startswith('rtsp'):
4826 return 'rtsp'
4827
4828 ext = determine_ext(url)
4829 if ext == 'm3u8':
4830 return 'm3u8'
4831 elif ext == 'f4m':
4832 return 'f4m'
4833
4834 return compat_urllib_parse_urlparse(url).scheme
4835
4836
4837 def render_table(header_row, data, delim=False, extra_gap=0, hide_empty=False):
4838 """ Render a list of rows, each as a list of values.
4839 Text after a \t will be right aligned """
4840 def width(string):
4841 return len(remove_terminal_sequences(string).replace('\t', ''))
4842
4843 def get_max_lens(table):
4844 return [max(width(str(v)) for v in col) for col in zip(*table)]
4845
4846 def filter_using_list(row, filterArray):
4847 return [col for (take, col) in zip(filterArray, row) if take]
4848
4849 if hide_empty:
4850 max_lens = get_max_lens(data)
4851 header_row = filter_using_list(header_row, max_lens)
4852 data = [filter_using_list(row, max_lens) for row in data]
4853
4854 table = [header_row] + data
4855 max_lens = get_max_lens(table)
4856 extra_gap += 1
4857 if delim:
4858 table = [header_row, [delim * (ml + extra_gap) for ml in max_lens]] + data
4859 table[1][-1] = table[1][-1][:-extra_gap] # Remove extra_gap from end of delimiter
4860 for row in table:
4861 for pos, text in enumerate(map(str, row)):
4862 if '\t' in text:
4863 row[pos] = text.replace('\t', ' ' * (max_lens[pos] - width(text))) + ' ' * extra_gap
4864 else:
4865 row[pos] = text + ' ' * (max_lens[pos] - width(text) + extra_gap)
4866 ret = '\n'.join(''.join(row).rstrip() for row in table)
4867 return ret
4868
4869
4870 def _match_one(filter_part, dct, incomplete):
4871 # TODO: Generalize code with YoutubeDL._build_format_filter
4872 STRING_OPERATORS = {
4873 '*=': operator.contains,
4874 '^=': lambda attr, value: attr.startswith(value),
4875 '$=': lambda attr, value: attr.endswith(value),
4876 '~=': lambda attr, value: re.search(value, attr),
4877 }
4878 COMPARISON_OPERATORS = {
4879 **STRING_OPERATORS,
4880 '<=': operator.le, # "<=" must be defined above "<"
4881 '<': operator.lt,
4882 '>=': operator.ge,
4883 '>': operator.gt,
4884 '=': operator.eq,
4885 }
4886
4887 operator_rex = re.compile(r'''(?x)\s*
4888 (?P<key>[a-z_]+)
4889 \s*(?P<negation>!\s*)?(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
4890 (?:
4891 (?P<quote>["\'])(?P<quotedstrval>.+?)(?P=quote)|
4892 (?P<strval>.+?)
4893 )
4894 \s*$
4895 ''' % '|'.join(map(re.escape, COMPARISON_OPERATORS.keys())))
4896 m = operator_rex.search(filter_part)
4897 if m:
4898 m = m.groupdict()
4899 unnegated_op = COMPARISON_OPERATORS[m['op']]
4900 if m['negation']:
4901 op = lambda attr, value: not unnegated_op(attr, value)
4902 else:
4903 op = unnegated_op
4904 comparison_value = m['quotedstrval'] or m['strval'] or m['intval']
4905 if m['quote']:
4906 comparison_value = comparison_value.replace(r'\%s' % m['quote'], m['quote'])
4907 actual_value = dct.get(m['key'])
4908 numeric_comparison = None
4909 if isinstance(actual_value, compat_numeric_types):
4910 # If the original field is a string and matching comparisonvalue is
4911 # a number we should respect the origin of the original field
4912 # and process comparison value as a string (see
4913 # https://github.com/ytdl-org/youtube-dl/issues/11082)
4914 try:
4915 numeric_comparison = int(comparison_value)
4916 except ValueError:
4917 numeric_comparison = parse_filesize(comparison_value)
4918 if numeric_comparison is None:
4919 numeric_comparison = parse_filesize(f'{comparison_value}B')
4920 if numeric_comparison is None:
4921 numeric_comparison = parse_duration(comparison_value)
4922 if numeric_comparison is not None and m['op'] in STRING_OPERATORS:
4923 raise ValueError('Operator %s only supports string values!' % m['op'])
4924 if actual_value is None:
4925 return incomplete or m['none_inclusive']
4926 return op(actual_value, comparison_value if numeric_comparison is None else numeric_comparison)
4927
4928 UNARY_OPERATORS = {
4929 '': lambda v: (v is True) if isinstance(v, bool) else (v is not None),
4930 '!': lambda v: (v is False) if isinstance(v, bool) else (v is None),
4931 }
4932 operator_rex = re.compile(r'''(?x)\s*
4933 (?P<op>%s)\s*(?P<key>[a-z_]+)
4934 \s*$
4935 ''' % '|'.join(map(re.escape, UNARY_OPERATORS.keys())))
4936 m = operator_rex.search(filter_part)
4937 if m:
4938 op = UNARY_OPERATORS[m.group('op')]
4939 actual_value = dct.get(m.group('key'))
4940 if incomplete and actual_value is None:
4941 return True
4942 return op(actual_value)
4943
4944 raise ValueError('Invalid filter part %r' % filter_part)
4945
4946
4947 def match_str(filter_str, dct, incomplete=False):
4948 """ Filter a dictionary with a simple string syntax. Returns True (=passes filter) or false
4949 When incomplete, all conditions passes on missing fields
4950 """
4951 return all(
4952 _match_one(filter_part.replace(r'\&', '&'), dct, incomplete)
4953 for filter_part in re.split(r'(?<!\\)&', filter_str))
4954
4955
4956 def match_filter_func(filter_str):
4957 def _match_func(info_dict, *args, **kwargs):
4958 if match_str(filter_str, info_dict, *args, **kwargs):
4959 return None
4960 else:
4961 video_title = info_dict.get('title', info_dict.get('id', 'video'))
4962 return '%s does not pass filter %s, skipping ..' % (video_title, filter_str)
4963 return _match_func
4964
4965
4966 def parse_dfxp_time_expr(time_expr):
4967 if not time_expr:
4968 return
4969
4970 mobj = re.match(r'^(?P<time_offset>\d+(?:\.\d+)?)s?$', time_expr)
4971 if mobj:
4972 return float(mobj.group('time_offset'))
4973
4974 mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:(?:\.|:)\d+)?)$', time_expr)
4975 if mobj:
4976 return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3).replace(':', '.'))
4977
4978
4979 def srt_subtitles_timecode(seconds):
4980 return '%02d:%02d:%02d,%03d' % timetuple_from_msec(seconds * 1000)
4981
4982
4983 def ass_subtitles_timecode(seconds):
4984 time = timetuple_from_msec(seconds * 1000)
4985 return '%01d:%02d:%02d.%02d' % (*time[:-1], time.milliseconds / 10)
4986
4987
4988 def dfxp2srt(dfxp_data):
4989 '''
4990 @param dfxp_data A bytes-like object containing DFXP data
4991 @returns A unicode object containing converted SRT data
4992 '''
4993 LEGACY_NAMESPACES = (
4994 (b'http://www.w3.org/ns/ttml', [
4995 b'http://www.w3.org/2004/11/ttaf1',
4996 b'http://www.w3.org/2006/04/ttaf1',
4997 b'http://www.w3.org/2006/10/ttaf1',
4998 ]),
4999 (b'http://www.w3.org/ns/ttml#styling', [
5000 b'http://www.w3.org/ns/ttml#style',
5001 ]),
5002 )
5003
5004 SUPPORTED_STYLING = [
5005 'color',
5006 'fontFamily',
5007 'fontSize',
5008 'fontStyle',
5009 'fontWeight',
5010 'textDecoration'
5011 ]
5012
5013 _x = functools.partial(xpath_with_ns, ns_map={
5014 'xml': 'http://www.w3.org/XML/1998/namespace',
5015 'ttml': 'http://www.w3.org/ns/ttml',
5016 'tts': 'http://www.w3.org/ns/ttml#styling',
5017 })
5018
5019 styles = {}
5020 default_style = {}
5021
5022 class TTMLPElementParser(object):
5023 _out = ''
5024 _unclosed_elements = []
5025 _applied_styles = []
5026
5027 def start(self, tag, attrib):
5028 if tag in (_x('ttml:br'), 'br'):
5029 self._out += '\n'
5030 else:
5031 unclosed_elements = []
5032 style = {}
5033 element_style_id = attrib.get('style')
5034 if default_style:
5035 style.update(default_style)
5036 if element_style_id:
5037 style.update(styles.get(element_style_id, {}))
5038 for prop in SUPPORTED_STYLING:
5039 prop_val = attrib.get(_x('tts:' + prop))
5040 if prop_val:
5041 style[prop] = prop_val
5042 if style:
5043 font = ''
5044 for k, v in sorted(style.items()):
5045 if self._applied_styles and self._applied_styles[-1].get(k) == v:
5046 continue
5047 if k == 'color':
5048 font += ' color="%s"' % v
5049 elif k == 'fontSize':
5050 font += ' size="%s"' % v
5051 elif k == 'fontFamily':
5052 font += ' face="%s"' % v
5053 elif k == 'fontWeight' and v == 'bold':
5054 self._out += '<b>'
5055 unclosed_elements.append('b')
5056 elif k == 'fontStyle' and v == 'italic':
5057 self._out += '<i>'
5058 unclosed_elements.append('i')
5059 elif k == 'textDecoration' and v == 'underline':
5060 self._out += '<u>'
5061 unclosed_elements.append('u')
5062 if font:
5063 self._out += '<font' + font + '>'
5064 unclosed_elements.append('font')
5065 applied_style = {}
5066 if self._applied_styles:
5067 applied_style.update(self._applied_styles[-1])
5068 applied_style.update(style)
5069 self._applied_styles.append(applied_style)
5070 self._unclosed_elements.append(unclosed_elements)
5071
5072 def end(self, tag):
5073 if tag not in (_x('ttml:br'), 'br'):
5074 unclosed_elements = self._unclosed_elements.pop()
5075 for element in reversed(unclosed_elements):
5076 self._out += '</%s>' % element
5077 if unclosed_elements and self._applied_styles:
5078 self._applied_styles.pop()
5079
5080 def data(self, data):
5081 self._out += data
5082
5083 def close(self):
5084 return self._out.strip()
5085
5086 def parse_node(node):
5087 target = TTMLPElementParser()
5088 parser = xml.etree.ElementTree.XMLParser(target=target)
5089 parser.feed(xml.etree.ElementTree.tostring(node))
5090 return parser.close()
5091
5092 for k, v in LEGACY_NAMESPACES:
5093 for ns in v:
5094 dfxp_data = dfxp_data.replace(ns, k)
5095
5096 dfxp = compat_etree_fromstring(dfxp_data)
5097 out = []
5098 paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall('.//p')
5099
5100 if not paras:
5101 raise ValueError('Invalid dfxp/TTML subtitle')
5102
5103 repeat = False
5104 while True:
5105 for style in dfxp.findall(_x('.//ttml:style')):
5106 style_id = style.get('id') or style.get(_x('xml:id'))
5107 if not style_id:
5108 continue
5109 parent_style_id = style.get('style')
5110 if parent_style_id:
5111 if parent_style_id not in styles:
5112 repeat = True
5113 continue
5114 styles[style_id] = styles[parent_style_id].copy()
5115 for prop in SUPPORTED_STYLING:
5116 prop_val = style.get(_x('tts:' + prop))
5117 if prop_val:
5118 styles.setdefault(style_id, {})[prop] = prop_val
5119 if repeat:
5120 repeat = False
5121 else:
5122 break
5123
5124 for p in ('body', 'div'):
5125 ele = xpath_element(dfxp, [_x('.//ttml:' + p), './/' + p])
5126 if ele is None:
5127 continue
5128 style = styles.get(ele.get('style'))
5129 if not style:
5130 continue
5131 default_style.update(style)
5132
5133 for para, index in zip(paras, itertools.count(1)):
5134 begin_time = parse_dfxp_time_expr(para.attrib.get('begin'))
5135 end_time = parse_dfxp_time_expr(para.attrib.get('end'))
5136 dur = parse_dfxp_time_expr(para.attrib.get('dur'))
5137 if begin_time is None:
5138 continue
5139 if not end_time:
5140 if not dur:
5141 continue
5142 end_time = begin_time + dur
5143 out.append('%d\n%s --> %s\n%s\n\n' % (
5144 index,
5145 srt_subtitles_timecode(begin_time),
5146 srt_subtitles_timecode(end_time),
5147 parse_node(para)))
5148
5149 return ''.join(out)
5150
5151
5152 def cli_option(params, command_option, param):
5153 param = params.get(param)
5154 if param:
5155 param = compat_str(param)
5156 return [command_option, param] if param is not None else []
5157
5158
5159 def cli_bool_option(params, command_option, param, true_value='true', false_value='false', separator=None):
5160 param = params.get(param)
5161 if param is None:
5162 return []
5163 assert isinstance(param, bool)
5164 if separator:
5165 return [command_option + separator + (true_value if param else false_value)]
5166 return [command_option, true_value if param else false_value]
5167
5168
5169 def cli_valueless_option(params, command_option, param, expected_value=True):
5170 param = params.get(param)
5171 return [command_option] if param == expected_value else []
5172
5173
5174 def cli_configuration_args(argdict, keys, default=[], use_compat=True):
5175 if isinstance(argdict, (list, tuple)): # for backward compatibility
5176 if use_compat:
5177 return argdict
5178 else:
5179 argdict = None
5180 if argdict is None:
5181 return default
5182 assert isinstance(argdict, dict)
5183
5184 assert isinstance(keys, (list, tuple))
5185 for key_list in keys:
5186 arg_list = list(filter(
5187 lambda x: x is not None,
5188 [argdict.get(key.lower()) for key in variadic(key_list)]))
5189 if arg_list:
5190 return [arg for args in arg_list for arg in args]
5191 return default
5192
5193
5194 def _configuration_args(main_key, argdict, exe, keys=None, default=[], use_compat=True):
5195 main_key, exe = main_key.lower(), exe.lower()
5196 root_key = exe if main_key == exe else f'{main_key}+{exe}'
5197 keys = [f'{root_key}{k}' for k in (keys or [''])]
5198 if root_key in keys:
5199 if main_key != exe:
5200 keys.append((main_key, exe))
5201 keys.append('default')
5202 else:
5203 use_compat = False
5204 return cli_configuration_args(argdict, keys, default, use_compat)
5205
5206
5207 class ISO639Utils(object):
5208 # See http://www.loc.gov/standards/iso639-2/ISO-639-2_utf-8.txt
5209 _lang_map = {
5210 'aa': 'aar',
5211 'ab': 'abk',
5212 'ae': 'ave',
5213 'af': 'afr',
5214 'ak': 'aka',
5215 'am': 'amh',
5216 'an': 'arg',
5217 'ar': 'ara',
5218 'as': 'asm',
5219 'av': 'ava',
5220 'ay': 'aym',
5221 'az': 'aze',
5222 'ba': 'bak',
5223 'be': 'bel',
5224 'bg': 'bul',
5225 'bh': 'bih',
5226 'bi': 'bis',
5227 'bm': 'bam',
5228 'bn': 'ben',
5229 'bo': 'bod',
5230 'br': 'bre',
5231 'bs': 'bos',
5232 'ca': 'cat',
5233 'ce': 'che',
5234 'ch': 'cha',
5235 'co': 'cos',
5236 'cr': 'cre',
5237 'cs': 'ces',
5238 'cu': 'chu',
5239 'cv': 'chv',
5240 'cy': 'cym',
5241 'da': 'dan',
5242 'de': 'deu',
5243 'dv': 'div',
5244 'dz': 'dzo',
5245 'ee': 'ewe',
5246 'el': 'ell',
5247 'en': 'eng',
5248 'eo': 'epo',
5249 'es': 'spa',
5250 'et': 'est',
5251 'eu': 'eus',
5252 'fa': 'fas',
5253 'ff': 'ful',
5254 'fi': 'fin',
5255 'fj': 'fij',
5256 'fo': 'fao',
5257 'fr': 'fra',
5258 'fy': 'fry',
5259 'ga': 'gle',
5260 'gd': 'gla',
5261 'gl': 'glg',
5262 'gn': 'grn',
5263 'gu': 'guj',
5264 'gv': 'glv',
5265 'ha': 'hau',
5266 'he': 'heb',
5267 'iw': 'heb', # Replaced by he in 1989 revision
5268 'hi': 'hin',
5269 'ho': 'hmo',
5270 'hr': 'hrv',
5271 'ht': 'hat',
5272 'hu': 'hun',
5273 'hy': 'hye',
5274 'hz': 'her',
5275 'ia': 'ina',
5276 'id': 'ind',
5277 'in': 'ind', # Replaced by id in 1989 revision
5278 'ie': 'ile',
5279 'ig': 'ibo',
5280 'ii': 'iii',
5281 'ik': 'ipk',
5282 'io': 'ido',
5283 'is': 'isl',
5284 'it': 'ita',
5285 'iu': 'iku',
5286 'ja': 'jpn',
5287 'jv': 'jav',
5288 'ka': 'kat',
5289 'kg': 'kon',
5290 'ki': 'kik',
5291 'kj': 'kua',
5292 'kk': 'kaz',
5293 'kl': 'kal',
5294 'km': 'khm',
5295 'kn': 'kan',
5296 'ko': 'kor',
5297 'kr': 'kau',
5298 'ks': 'kas',
5299 'ku': 'kur',
5300 'kv': 'kom',
5301 'kw': 'cor',
5302 'ky': 'kir',
5303 'la': 'lat',
5304 'lb': 'ltz',
5305 'lg': 'lug',
5306 'li': 'lim',
5307 'ln': 'lin',
5308 'lo': 'lao',
5309 'lt': 'lit',
5310 'lu': 'lub',
5311 'lv': 'lav',
5312 'mg': 'mlg',
5313 'mh': 'mah',
5314 'mi': 'mri',
5315 'mk': 'mkd',
5316 'ml': 'mal',
5317 'mn': 'mon',
5318 'mr': 'mar',
5319 'ms': 'msa',
5320 'mt': 'mlt',
5321 'my': 'mya',
5322 'na': 'nau',
5323 'nb': 'nob',
5324 'nd': 'nde',
5325 'ne': 'nep',
5326 'ng': 'ndo',
5327 'nl': 'nld',
5328 'nn': 'nno',
5329 'no': 'nor',
5330 'nr': 'nbl',
5331 'nv': 'nav',
5332 'ny': 'nya',
5333 'oc': 'oci',
5334 'oj': 'oji',
5335 'om': 'orm',
5336 'or': 'ori',
5337 'os': 'oss',
5338 'pa': 'pan',
5339 'pi': 'pli',
5340 'pl': 'pol',
5341 'ps': 'pus',
5342 'pt': 'por',
5343 'qu': 'que',
5344 'rm': 'roh',
5345 'rn': 'run',
5346 'ro': 'ron',
5347 'ru': 'rus',
5348 'rw': 'kin',
5349 'sa': 'san',
5350 'sc': 'srd',
5351 'sd': 'snd',
5352 'se': 'sme',
5353 'sg': 'sag',
5354 'si': 'sin',
5355 'sk': 'slk',
5356 'sl': 'slv',
5357 'sm': 'smo',
5358 'sn': 'sna',
5359 'so': 'som',
5360 'sq': 'sqi',
5361 'sr': 'srp',
5362 'ss': 'ssw',
5363 'st': 'sot',
5364 'su': 'sun',
5365 'sv': 'swe',
5366 'sw': 'swa',
5367 'ta': 'tam',
5368 'te': 'tel',
5369 'tg': 'tgk',
5370 'th': 'tha',
5371 'ti': 'tir',
5372 'tk': 'tuk',
5373 'tl': 'tgl',
5374 'tn': 'tsn',
5375 'to': 'ton',
5376 'tr': 'tur',
5377 'ts': 'tso',
5378 'tt': 'tat',
5379 'tw': 'twi',
5380 'ty': 'tah',
5381 'ug': 'uig',
5382 'uk': 'ukr',
5383 'ur': 'urd',
5384 'uz': 'uzb',
5385 've': 'ven',
5386 'vi': 'vie',
5387 'vo': 'vol',
5388 'wa': 'wln',
5389 'wo': 'wol',
5390 'xh': 'xho',
5391 'yi': 'yid',
5392 'ji': 'yid', # Replaced by yi in 1989 revision
5393 'yo': 'yor',
5394 'za': 'zha',
5395 'zh': 'zho',
5396 'zu': 'zul',
5397 }
5398
5399 @classmethod
5400 def short2long(cls, code):
5401 """Convert language code from ISO 639-1 to ISO 639-2/T"""
5402 return cls._lang_map.get(code[:2])
5403
5404 @classmethod
5405 def long2short(cls, code):
5406 """Convert language code from ISO 639-2/T to ISO 639-1"""
5407 for short_name, long_name in cls._lang_map.items():
5408 if long_name == code:
5409 return short_name
5410
5411
5412 class ISO3166Utils(object):
5413 # From http://data.okfn.org/data/core/country-list
5414 _country_map = {
5415 'AF': 'Afghanistan',
5416 'AX': 'Åland Islands',
5417 'AL': 'Albania',
5418 'DZ': 'Algeria',
5419 'AS': 'American Samoa',
5420 'AD': 'Andorra',
5421 'AO': 'Angola',
5422 'AI': 'Anguilla',
5423 'AQ': 'Antarctica',
5424 'AG': 'Antigua and Barbuda',
5425 'AR': 'Argentina',
5426 'AM': 'Armenia',
5427 'AW': 'Aruba',
5428 'AU': 'Australia',
5429 'AT': 'Austria',
5430 'AZ': 'Azerbaijan',
5431 'BS': 'Bahamas',
5432 'BH': 'Bahrain',
5433 'BD': 'Bangladesh',
5434 'BB': 'Barbados',
5435 'BY': 'Belarus',
5436 'BE': 'Belgium',
5437 'BZ': 'Belize',
5438 'BJ': 'Benin',
5439 'BM': 'Bermuda',
5440 'BT': 'Bhutan',
5441 'BO': 'Bolivia, Plurinational State of',
5442 'BQ': 'Bonaire, Sint Eustatius and Saba',
5443 'BA': 'Bosnia and Herzegovina',
5444 'BW': 'Botswana',
5445 'BV': 'Bouvet Island',
5446 'BR': 'Brazil',
5447 'IO': 'British Indian Ocean Territory',
5448 'BN': 'Brunei Darussalam',
5449 'BG': 'Bulgaria',
5450 'BF': 'Burkina Faso',
5451 'BI': 'Burundi',
5452 'KH': 'Cambodia',
5453 'CM': 'Cameroon',
5454 'CA': 'Canada',
5455 'CV': 'Cape Verde',
5456 'KY': 'Cayman Islands',
5457 'CF': 'Central African Republic',
5458 'TD': 'Chad',
5459 'CL': 'Chile',
5460 'CN': 'China',
5461 'CX': 'Christmas Island',
5462 'CC': 'Cocos (Keeling) Islands',
5463 'CO': 'Colombia',
5464 'KM': 'Comoros',
5465 'CG': 'Congo',
5466 'CD': 'Congo, the Democratic Republic of the',
5467 'CK': 'Cook Islands',
5468 'CR': 'Costa Rica',
5469 'CI': 'Côte d\'Ivoire',
5470 'HR': 'Croatia',
5471 'CU': 'Cuba',
5472 'CW': 'Curaçao',
5473 'CY': 'Cyprus',
5474 'CZ': 'Czech Republic',
5475 'DK': 'Denmark',
5476 'DJ': 'Djibouti',
5477 'DM': 'Dominica',
5478 'DO': 'Dominican Republic',
5479 'EC': 'Ecuador',
5480 'EG': 'Egypt',
5481 'SV': 'El Salvador',
5482 'GQ': 'Equatorial Guinea',
5483 'ER': 'Eritrea',
5484 'EE': 'Estonia',
5485 'ET': 'Ethiopia',
5486 'FK': 'Falkland Islands (Malvinas)',
5487 'FO': 'Faroe Islands',
5488 'FJ': 'Fiji',
5489 'FI': 'Finland',
5490 'FR': 'France',
5491 'GF': 'French Guiana',
5492 'PF': 'French Polynesia',
5493 'TF': 'French Southern Territories',
5494 'GA': 'Gabon',
5495 'GM': 'Gambia',
5496 'GE': 'Georgia',
5497 'DE': 'Germany',
5498 'GH': 'Ghana',
5499 'GI': 'Gibraltar',
5500 'GR': 'Greece',
5501 'GL': 'Greenland',
5502 'GD': 'Grenada',
5503 'GP': 'Guadeloupe',
5504 'GU': 'Guam',
5505 'GT': 'Guatemala',
5506 'GG': 'Guernsey',
5507 'GN': 'Guinea',
5508 'GW': 'Guinea-Bissau',
5509 'GY': 'Guyana',
5510 'HT': 'Haiti',
5511 'HM': 'Heard Island and McDonald Islands',
5512 'VA': 'Holy See (Vatican City State)',
5513 'HN': 'Honduras',
5514 'HK': 'Hong Kong',
5515 'HU': 'Hungary',
5516 'IS': 'Iceland',
5517 'IN': 'India',
5518 'ID': 'Indonesia',
5519 'IR': 'Iran, Islamic Republic of',
5520 'IQ': 'Iraq',
5521 'IE': 'Ireland',
5522 'IM': 'Isle of Man',
5523 'IL': 'Israel',
5524 'IT': 'Italy',
5525 'JM': 'Jamaica',
5526 'JP': 'Japan',
5527 'JE': 'Jersey',
5528 'JO': 'Jordan',
5529 'KZ': 'Kazakhstan',
5530 'KE': 'Kenya',
5531 'KI': 'Kiribati',
5532 'KP': 'Korea, Democratic People\'s Republic of',
5533 'KR': 'Korea, Republic of',
5534 'KW': 'Kuwait',
5535 'KG': 'Kyrgyzstan',
5536 'LA': 'Lao People\'s Democratic Republic',
5537 'LV': 'Latvia',
5538 'LB': 'Lebanon',
5539 'LS': 'Lesotho',
5540 'LR': 'Liberia',
5541 'LY': 'Libya',
5542 'LI': 'Liechtenstein',
5543 'LT': 'Lithuania',
5544 'LU': 'Luxembourg',
5545 'MO': 'Macao',
5546 'MK': 'Macedonia, the Former Yugoslav Republic of',
5547 'MG': 'Madagascar',
5548 'MW': 'Malawi',
5549 'MY': 'Malaysia',
5550 'MV': 'Maldives',
5551 'ML': 'Mali',
5552 'MT': 'Malta',
5553 'MH': 'Marshall Islands',
5554 'MQ': 'Martinique',
5555 'MR': 'Mauritania',
5556 'MU': 'Mauritius',
5557 'YT': 'Mayotte',
5558 'MX': 'Mexico',
5559 'FM': 'Micronesia, Federated States of',
5560 'MD': 'Moldova, Republic of',
5561 'MC': 'Monaco',
5562 'MN': 'Mongolia',
5563 'ME': 'Montenegro',
5564 'MS': 'Montserrat',
5565 'MA': 'Morocco',
5566 'MZ': 'Mozambique',
5567 'MM': 'Myanmar',
5568 'NA': 'Namibia',
5569 'NR': 'Nauru',
5570 'NP': 'Nepal',
5571 'NL': 'Netherlands',
5572 'NC': 'New Caledonia',
5573 'NZ': 'New Zealand',
5574 'NI': 'Nicaragua',
5575 'NE': 'Niger',
5576 'NG': 'Nigeria',
5577 'NU': 'Niue',
5578 'NF': 'Norfolk Island',
5579 'MP': 'Northern Mariana Islands',
5580 'NO': 'Norway',
5581 'OM': 'Oman',
5582 'PK': 'Pakistan',
5583 'PW': 'Palau',
5584 'PS': 'Palestine, State of',
5585 'PA': 'Panama',
5586 'PG': 'Papua New Guinea',
5587 'PY': 'Paraguay',
5588 'PE': 'Peru',
5589 'PH': 'Philippines',
5590 'PN': 'Pitcairn',
5591 'PL': 'Poland',
5592 'PT': 'Portugal',
5593 'PR': 'Puerto Rico',
5594 'QA': 'Qatar',
5595 'RE': 'Réunion',
5596 'RO': 'Romania',
5597 'RU': 'Russian Federation',
5598 'RW': 'Rwanda',
5599 'BL': 'Saint Barthélemy',
5600 'SH': 'Saint Helena, Ascension and Tristan da Cunha',
5601 'KN': 'Saint Kitts and Nevis',
5602 'LC': 'Saint Lucia',
5603 'MF': 'Saint Martin (French part)',
5604 'PM': 'Saint Pierre and Miquelon',
5605 'VC': 'Saint Vincent and the Grenadines',
5606 'WS': 'Samoa',
5607 'SM': 'San Marino',
5608 'ST': 'Sao Tome and Principe',
5609 'SA': 'Saudi Arabia',
5610 'SN': 'Senegal',
5611 'RS': 'Serbia',
5612 'SC': 'Seychelles',
5613 'SL': 'Sierra Leone',
5614 'SG': 'Singapore',
5615 'SX': 'Sint Maarten (Dutch part)',
5616 'SK': 'Slovakia',
5617 'SI': 'Slovenia',
5618 'SB': 'Solomon Islands',
5619 'SO': 'Somalia',
5620 'ZA': 'South Africa',
5621 'GS': 'South Georgia and the South Sandwich Islands',
5622 'SS': 'South Sudan',
5623 'ES': 'Spain',
5624 'LK': 'Sri Lanka',
5625 'SD': 'Sudan',
5626 'SR': 'Suriname',
5627 'SJ': 'Svalbard and Jan Mayen',
5628 'SZ': 'Swaziland',
5629 'SE': 'Sweden',
5630 'CH': 'Switzerland',
5631 'SY': 'Syrian Arab Republic',
5632 'TW': 'Taiwan, Province of China',
5633 'TJ': 'Tajikistan',
5634 'TZ': 'Tanzania, United Republic of',
5635 'TH': 'Thailand',
5636 'TL': 'Timor-Leste',
5637 'TG': 'Togo',
5638 'TK': 'Tokelau',
5639 'TO': 'Tonga',
5640 'TT': 'Trinidad and Tobago',
5641 'TN': 'Tunisia',
5642 'TR': 'Turkey',
5643 'TM': 'Turkmenistan',
5644 'TC': 'Turks and Caicos Islands',
5645 'TV': 'Tuvalu',
5646 'UG': 'Uganda',
5647 'UA': 'Ukraine',
5648 'AE': 'United Arab Emirates',
5649 'GB': 'United Kingdom',
5650 'US': 'United States',
5651 'UM': 'United States Minor Outlying Islands',
5652 'UY': 'Uruguay',
5653 'UZ': 'Uzbekistan',
5654 'VU': 'Vanuatu',
5655 'VE': 'Venezuela, Bolivarian Republic of',
5656 'VN': 'Viet Nam',
5657 'VG': 'Virgin Islands, British',
5658 'VI': 'Virgin Islands, U.S.',
5659 'WF': 'Wallis and Futuna',
5660 'EH': 'Western Sahara',
5661 'YE': 'Yemen',
5662 'ZM': 'Zambia',
5663 'ZW': 'Zimbabwe',
5664 }
5665
5666 @classmethod
5667 def short2full(cls, code):
5668 """Convert an ISO 3166-2 country code to the corresponding full name"""
5669 return cls._country_map.get(code.upper())
5670
5671
5672 class GeoUtils(object):
5673 # Major IPv4 address blocks per country
5674 _country_ip_map = {
5675 'AD': '46.172.224.0/19',
5676 'AE': '94.200.0.0/13',
5677 'AF': '149.54.0.0/17',
5678 'AG': '209.59.64.0/18',
5679 'AI': '204.14.248.0/21',
5680 'AL': '46.99.0.0/16',
5681 'AM': '46.70.0.0/15',
5682 'AO': '105.168.0.0/13',
5683 'AP': '182.50.184.0/21',
5684 'AQ': '23.154.160.0/24',
5685 'AR': '181.0.0.0/12',
5686 'AS': '202.70.112.0/20',
5687 'AT': '77.116.0.0/14',
5688 'AU': '1.128.0.0/11',
5689 'AW': '181.41.0.0/18',
5690 'AX': '185.217.4.0/22',
5691 'AZ': '5.197.0.0/16',
5692 'BA': '31.176.128.0/17',
5693 'BB': '65.48.128.0/17',
5694 'BD': '114.130.0.0/16',
5695 'BE': '57.0.0.0/8',
5696 'BF': '102.178.0.0/15',
5697 'BG': '95.42.0.0/15',
5698 'BH': '37.131.0.0/17',
5699 'BI': '154.117.192.0/18',
5700 'BJ': '137.255.0.0/16',
5701 'BL': '185.212.72.0/23',
5702 'BM': '196.12.64.0/18',
5703 'BN': '156.31.0.0/16',
5704 'BO': '161.56.0.0/16',
5705 'BQ': '161.0.80.0/20',
5706 'BR': '191.128.0.0/12',
5707 'BS': '24.51.64.0/18',
5708 'BT': '119.2.96.0/19',
5709 'BW': '168.167.0.0/16',
5710 'BY': '178.120.0.0/13',
5711 'BZ': '179.42.192.0/18',
5712 'CA': '99.224.0.0/11',
5713 'CD': '41.243.0.0/16',
5714 'CF': '197.242.176.0/21',
5715 'CG': '160.113.0.0/16',
5716 'CH': '85.0.0.0/13',
5717 'CI': '102.136.0.0/14',
5718 'CK': '202.65.32.0/19',
5719 'CL': '152.172.0.0/14',
5720 'CM': '102.244.0.0/14',
5721 'CN': '36.128.0.0/10',
5722 'CO': '181.240.0.0/12',
5723 'CR': '201.192.0.0/12',
5724 'CU': '152.206.0.0/15',
5725 'CV': '165.90.96.0/19',
5726 'CW': '190.88.128.0/17',
5727 'CY': '31.153.0.0/16',
5728 'CZ': '88.100.0.0/14',
5729 'DE': '53.0.0.0/8',
5730 'DJ': '197.241.0.0/17',
5731 'DK': '87.48.0.0/12',
5732 'DM': '192.243.48.0/20',
5733 'DO': '152.166.0.0/15',
5734 'DZ': '41.96.0.0/12',
5735 'EC': '186.68.0.0/15',
5736 'EE': '90.190.0.0/15',
5737 'EG': '156.160.0.0/11',
5738 'ER': '196.200.96.0/20',
5739 'ES': '88.0.0.0/11',
5740 'ET': '196.188.0.0/14',
5741 'EU': '2.16.0.0/13',
5742 'FI': '91.152.0.0/13',
5743 'FJ': '144.120.0.0/16',
5744 'FK': '80.73.208.0/21',
5745 'FM': '119.252.112.0/20',
5746 'FO': '88.85.32.0/19',
5747 'FR': '90.0.0.0/9',
5748 'GA': '41.158.0.0/15',
5749 'GB': '25.0.0.0/8',
5750 'GD': '74.122.88.0/21',
5751 'GE': '31.146.0.0/16',
5752 'GF': '161.22.64.0/18',
5753 'GG': '62.68.160.0/19',
5754 'GH': '154.160.0.0/12',
5755 'GI': '95.164.0.0/16',
5756 'GL': '88.83.0.0/19',
5757 'GM': '160.182.0.0/15',
5758 'GN': '197.149.192.0/18',
5759 'GP': '104.250.0.0/19',
5760 'GQ': '105.235.224.0/20',
5761 'GR': '94.64.0.0/13',
5762 'GT': '168.234.0.0/16',
5763 'GU': '168.123.0.0/16',
5764 'GW': '197.214.80.0/20',
5765 'GY': '181.41.64.0/18',
5766 'HK': '113.252.0.0/14',
5767 'HN': '181.210.0.0/16',
5768 'HR': '93.136.0.0/13',
5769 'HT': '148.102.128.0/17',
5770 'HU': '84.0.0.0/14',
5771 'ID': '39.192.0.0/10',
5772 'IE': '87.32.0.0/12',
5773 'IL': '79.176.0.0/13',
5774 'IM': '5.62.80.0/20',
5775 'IN': '117.192.0.0/10',
5776 'IO': '203.83.48.0/21',
5777 'IQ': '37.236.0.0/14',
5778 'IR': '2.176.0.0/12',
5779 'IS': '82.221.0.0/16',
5780 'IT': '79.0.0.0/10',
5781 'JE': '87.244.64.0/18',
5782 'JM': '72.27.0.0/17',
5783 'JO': '176.29.0.0/16',
5784 'JP': '133.0.0.0/8',
5785 'KE': '105.48.0.0/12',
5786 'KG': '158.181.128.0/17',
5787 'KH': '36.37.128.0/17',
5788 'KI': '103.25.140.0/22',
5789 'KM': '197.255.224.0/20',
5790 'KN': '198.167.192.0/19',
5791 'KP': '175.45.176.0/22',
5792 'KR': '175.192.0.0/10',
5793 'KW': '37.36.0.0/14',
5794 'KY': '64.96.0.0/15',
5795 'KZ': '2.72.0.0/13',
5796 'LA': '115.84.64.0/18',
5797 'LB': '178.135.0.0/16',
5798 'LC': '24.92.144.0/20',
5799 'LI': '82.117.0.0/19',
5800 'LK': '112.134.0.0/15',
5801 'LR': '102.183.0.0/16',
5802 'LS': '129.232.0.0/17',
5803 'LT': '78.56.0.0/13',
5804 'LU': '188.42.0.0/16',
5805 'LV': '46.109.0.0/16',
5806 'LY': '41.252.0.0/14',
5807 'MA': '105.128.0.0/11',
5808 'MC': '88.209.64.0/18',
5809 'MD': '37.246.0.0/16',
5810 'ME': '178.175.0.0/17',
5811 'MF': '74.112.232.0/21',
5812 'MG': '154.126.0.0/17',
5813 'MH': '117.103.88.0/21',
5814 'MK': '77.28.0.0/15',
5815 'ML': '154.118.128.0/18',
5816 'MM': '37.111.0.0/17',
5817 'MN': '49.0.128.0/17',
5818 'MO': '60.246.0.0/16',
5819 'MP': '202.88.64.0/20',
5820 'MQ': '109.203.224.0/19',
5821 'MR': '41.188.64.0/18',
5822 'MS': '208.90.112.0/22',
5823 'MT': '46.11.0.0/16',
5824 'MU': '105.16.0.0/12',
5825 'MV': '27.114.128.0/18',
5826 'MW': '102.70.0.0/15',
5827 'MX': '187.192.0.0/11',
5828 'MY': '175.136.0.0/13',
5829 'MZ': '197.218.0.0/15',
5830 'NA': '41.182.0.0/16',
5831 'NC': '101.101.0.0/18',
5832 'NE': '197.214.0.0/18',
5833 'NF': '203.17.240.0/22',
5834 'NG': '105.112.0.0/12',
5835 'NI': '186.76.0.0/15',
5836 'NL': '145.96.0.0/11',
5837 'NO': '84.208.0.0/13',
5838 'NP': '36.252.0.0/15',
5839 'NR': '203.98.224.0/19',
5840 'NU': '49.156.48.0/22',
5841 'NZ': '49.224.0.0/14',
5842 'OM': '5.36.0.0/15',
5843 'PA': '186.72.0.0/15',
5844 'PE': '186.160.0.0/14',
5845 'PF': '123.50.64.0/18',
5846 'PG': '124.240.192.0/19',
5847 'PH': '49.144.0.0/13',
5848 'PK': '39.32.0.0/11',
5849 'PL': '83.0.0.0/11',
5850 'PM': '70.36.0.0/20',
5851 'PR': '66.50.0.0/16',
5852 'PS': '188.161.0.0/16',
5853 'PT': '85.240.0.0/13',
5854 'PW': '202.124.224.0/20',
5855 'PY': '181.120.0.0/14',
5856 'QA': '37.210.0.0/15',
5857 'RE': '102.35.0.0/16',
5858 'RO': '79.112.0.0/13',
5859 'RS': '93.86.0.0/15',
5860 'RU': '5.136.0.0/13',
5861 'RW': '41.186.0.0/16',
5862 'SA': '188.48.0.0/13',
5863 'SB': '202.1.160.0/19',
5864 'SC': '154.192.0.0/11',
5865 'SD': '102.120.0.0/13',
5866 'SE': '78.64.0.0/12',
5867 'SG': '8.128.0.0/10',
5868 'SI': '188.196.0.0/14',
5869 'SK': '78.98.0.0/15',
5870 'SL': '102.143.0.0/17',
5871 'SM': '89.186.32.0/19',
5872 'SN': '41.82.0.0/15',
5873 'SO': '154.115.192.0/18',
5874 'SR': '186.179.128.0/17',
5875 'SS': '105.235.208.0/21',
5876 'ST': '197.159.160.0/19',
5877 'SV': '168.243.0.0/16',
5878 'SX': '190.102.0.0/20',
5879 'SY': '5.0.0.0/16',
5880 'SZ': '41.84.224.0/19',
5881 'TC': '65.255.48.0/20',
5882 'TD': '154.68.128.0/19',
5883 'TG': '196.168.0.0/14',
5884 'TH': '171.96.0.0/13',
5885 'TJ': '85.9.128.0/18',
5886 'TK': '27.96.24.0/21',
5887 'TL': '180.189.160.0/20',
5888 'TM': '95.85.96.0/19',
5889 'TN': '197.0.0.0/11',
5890 'TO': '175.176.144.0/21',
5891 'TR': '78.160.0.0/11',
5892 'TT': '186.44.0.0/15',
5893 'TV': '202.2.96.0/19',
5894 'TW': '120.96.0.0/11',
5895 'TZ': '156.156.0.0/14',
5896 'UA': '37.52.0.0/14',
5897 'UG': '102.80.0.0/13',
5898 'US': '6.0.0.0/8',
5899 'UY': '167.56.0.0/13',
5900 'UZ': '84.54.64.0/18',
5901 'VA': '212.77.0.0/19',
5902 'VC': '207.191.240.0/21',
5903 'VE': '186.88.0.0/13',
5904 'VG': '66.81.192.0/20',
5905 'VI': '146.226.0.0/16',
5906 'VN': '14.160.0.0/11',
5907 'VU': '202.80.32.0/20',
5908 'WF': '117.20.32.0/21',
5909 'WS': '202.4.32.0/19',
5910 'YE': '134.35.0.0/16',
5911 'YT': '41.242.116.0/22',
5912 'ZA': '41.0.0.0/11',
5913 'ZM': '102.144.0.0/13',
5914 'ZW': '102.177.192.0/18',
5915 }
5916
5917 @classmethod
5918 def random_ipv4(cls, code_or_block):
5919 if len(code_or_block) == 2:
5920 block = cls._country_ip_map.get(code_or_block.upper())
5921 if not block:
5922 return None
5923 else:
5924 block = code_or_block
5925 addr, preflen = block.split('/')
5926 addr_min = compat_struct_unpack('!L', socket.inet_aton(addr))[0]
5927 addr_max = addr_min | (0xffffffff >> int(preflen))
5928 return compat_str(socket.inet_ntoa(
5929 compat_struct_pack('!L', random.randint(addr_min, addr_max))))
5930
5931
5932 class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
5933 def __init__(self, proxies=None):
5934 # Set default handlers
5935 for type in ('http', 'https'):
5936 setattr(self, '%s_open' % type,
5937 lambda r, proxy='__noproxy__', type=type, meth=self.proxy_open:
5938 meth(r, proxy, type))
5939 compat_urllib_request.ProxyHandler.__init__(self, proxies)
5940
5941 def proxy_open(self, req, proxy, type):
5942 req_proxy = req.headers.get('Ytdl-request-proxy')
5943 if req_proxy is not None:
5944 proxy = req_proxy
5945 del req.headers['Ytdl-request-proxy']
5946
5947 if proxy == '__noproxy__':
5948 return None # No Proxy
5949 if compat_urlparse.urlparse(proxy).scheme.lower() in ('socks', 'socks4', 'socks4a', 'socks5'):
5950 req.add_header('Ytdl-socks-proxy', proxy)
5951 # yt-dlp's http/https handlers do wrapping the socket with socks
5952 return None
5953 return compat_urllib_request.ProxyHandler.proxy_open(
5954 self, req, proxy, type)
5955
5956
5957 # Both long_to_bytes and bytes_to_long are adapted from PyCrypto, which is
5958 # released into Public Domain
5959 # https://github.com/dlitz/pycrypto/blob/master/lib/Crypto/Util/number.py#L387
5960
5961 def long_to_bytes(n, blocksize=0):
5962 """long_to_bytes(n:long, blocksize:int) : string
5963 Convert a long integer to a byte string.
5964
5965 If optional blocksize is given and greater than zero, pad the front of the
5966 byte string with binary zeros so that the length is a multiple of
5967 blocksize.
5968 """
5969 # after much testing, this algorithm was deemed to be the fastest
5970 s = b''
5971 n = int(n)
5972 while n > 0:
5973 s = compat_struct_pack('>I', n & 0xffffffff) + s
5974 n = n >> 32
5975 # strip off leading zeros
5976 for i in range(len(s)):
5977 if s[i] != b'\000'[0]:
5978 break
5979 else:
5980 # only happens when n == 0
5981 s = b'\000'
5982 i = 0
5983 s = s[i:]
5984 # add back some pad bytes. this could be done more efficiently w.r.t. the
5985 # de-padding being done above, but sigh...
5986 if blocksize > 0 and len(s) % blocksize:
5987 s = (blocksize - len(s) % blocksize) * b'\000' + s
5988 return s
5989
5990
5991 def bytes_to_long(s):
5992 """bytes_to_long(string) : long
5993 Convert a byte string to a long integer.
5994
5995 This is (essentially) the inverse of long_to_bytes().
5996 """
5997 acc = 0
5998 length = len(s)
5999 if length % 4:
6000 extra = (4 - length % 4)
6001 s = b'\000' * extra + s
6002 length = length + extra
6003 for i in range(0, length, 4):
6004 acc = (acc << 32) + compat_struct_unpack('>I', s[i:i + 4])[0]
6005 return acc
6006
6007
6008 def ohdave_rsa_encrypt(data, exponent, modulus):
6009 '''
6010 Implement OHDave's RSA algorithm. See http://www.ohdave.com/rsa/
6011
6012 Input:
6013 data: data to encrypt, bytes-like object
6014 exponent, modulus: parameter e and N of RSA algorithm, both integer
6015 Output: hex string of encrypted data
6016
6017 Limitation: supports one block encryption only
6018 '''
6019
6020 payload = int(binascii.hexlify(data[::-1]), 16)
6021 encrypted = pow(payload, exponent, modulus)
6022 return '%x' % encrypted
6023
6024
6025 def pkcs1pad(data, length):
6026 """
6027 Padding input data with PKCS#1 scheme
6028
6029 @param {int[]} data input data
6030 @param {int} length target length
6031 @returns {int[]} padded data
6032 """
6033 if len(data) > length - 11:
6034 raise ValueError('Input data too long for PKCS#1 padding')
6035
6036 pseudo_random = [random.randint(0, 254) for _ in range(length - len(data) - 3)]
6037 return [0, 2] + pseudo_random + [0] + data
6038
6039
6040 def encode_base_n(num, n, table=None):
6041 FULL_TABLE = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
6042 if not table:
6043 table = FULL_TABLE[:n]
6044
6045 if n > len(table):
6046 raise ValueError('base %d exceeds table length %d' % (n, len(table)))
6047
6048 if num == 0:
6049 return table[0]
6050
6051 ret = ''
6052 while num:
6053 ret = table[num % n] + ret
6054 num = num // n
6055 return ret
6056
6057
6058 def decode_packed_codes(code):
6059 mobj = re.search(PACKED_CODES_RE, code)
6060 obfuscated_code, base, count, symbols = mobj.groups()
6061 base = int(base)
6062 count = int(count)
6063 symbols = symbols.split('|')
6064 symbol_table = {}
6065
6066 while count:
6067 count -= 1
6068 base_n_count = encode_base_n(count, base)
6069 symbol_table[base_n_count] = symbols[count] or base_n_count
6070
6071 return re.sub(
6072 r'\b(\w+)\b', lambda mobj: symbol_table[mobj.group(0)],
6073 obfuscated_code)
6074
6075
6076 def caesar(s, alphabet, shift):
6077 if shift == 0:
6078 return s
6079 l = len(alphabet)
6080 return ''.join(
6081 alphabet[(alphabet.index(c) + shift) % l] if c in alphabet else c
6082 for c in s)
6083
6084
6085 def rot47(s):
6086 return caesar(s, r'''!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~''', 47)
6087
6088
6089 def parse_m3u8_attributes(attrib):
6090 info = {}
6091 for (key, val) in re.findall(r'(?P<key>[A-Z0-9-]+)=(?P<val>"[^"]+"|[^",]+)(?:,|$)', attrib):
6092 if val.startswith('"'):
6093 val = val[1:-1]
6094 info[key] = val
6095 return info
6096
6097
6098 def urshift(val, n):
6099 return val >> n if val >= 0 else (val + 0x100000000) >> n
6100
6101
6102 # Based on png2str() written by @gdkchan and improved by @yokrysty
6103 # Originally posted at https://github.com/ytdl-org/youtube-dl/issues/9706
6104 def decode_png(png_data):
6105 # Reference: https://www.w3.org/TR/PNG/
6106 header = png_data[8:]
6107
6108 if png_data[:8] != b'\x89PNG\x0d\x0a\x1a\x0a' or header[4:8] != b'IHDR':
6109 raise IOError('Not a valid PNG file.')
6110
6111 int_map = {1: '>B', 2: '>H', 4: '>I'}
6112 unpack_integer = lambda x: compat_struct_unpack(int_map[len(x)], x)[0]
6113
6114 chunks = []
6115
6116 while header:
6117 length = unpack_integer(header[:4])
6118 header = header[4:]
6119
6120 chunk_type = header[:4]
6121 header = header[4:]
6122
6123 chunk_data = header[:length]
6124 header = header[length:]
6125
6126 header = header[4:] # Skip CRC
6127
6128 chunks.append({
6129 'type': chunk_type,
6130 'length': length,
6131 'data': chunk_data
6132 })
6133
6134 ihdr = chunks[0]['data']
6135
6136 width = unpack_integer(ihdr[:4])
6137 height = unpack_integer(ihdr[4:8])
6138
6139 idat = b''
6140
6141 for chunk in chunks:
6142 if chunk['type'] == b'IDAT':
6143 idat += chunk['data']
6144
6145 if not idat:
6146 raise IOError('Unable to read PNG data.')
6147
6148 decompressed_data = bytearray(zlib.decompress(idat))
6149
6150 stride = width * 3
6151 pixels = []
6152
6153 def _get_pixel(idx):
6154 x = idx % stride
6155 y = idx // stride
6156 return pixels[y][x]
6157
6158 for y in range(height):
6159 basePos = y * (1 + stride)
6160 filter_type = decompressed_data[basePos]
6161
6162 current_row = []
6163
6164 pixels.append(current_row)
6165
6166 for x in range(stride):
6167 color = decompressed_data[1 + basePos + x]
6168 basex = y * stride + x
6169 left = 0
6170 up = 0
6171
6172 if x > 2:
6173 left = _get_pixel(basex - 3)
6174 if y > 0:
6175 up = _get_pixel(basex - stride)
6176
6177 if filter_type == 1: # Sub
6178 color = (color + left) & 0xff
6179 elif filter_type == 2: # Up
6180 color = (color + up) & 0xff
6181 elif filter_type == 3: # Average
6182 color = (color + ((left + up) >> 1)) & 0xff
6183 elif filter_type == 4: # Paeth
6184 a = left
6185 b = up
6186 c = 0
6187
6188 if x > 2 and y > 0:
6189 c = _get_pixel(basex - stride - 3)
6190
6191 p = a + b - c
6192
6193 pa = abs(p - a)
6194 pb = abs(p - b)
6195 pc = abs(p - c)
6196
6197 if pa <= pb and pa <= pc:
6198 color = (color + a) & 0xff
6199 elif pb <= pc:
6200 color = (color + b) & 0xff
6201 else:
6202 color = (color + c) & 0xff
6203
6204 current_row.append(color)
6205
6206 return width, height, pixels
6207
6208
6209 def write_xattr(path, key, value):
6210 # This mess below finds the best xattr tool for the job
6211 try:
6212 # try the pyxattr module...
6213 import xattr
6214
6215 if hasattr(xattr, 'set'): # pyxattr
6216 # Unicode arguments are not supported in python-pyxattr until
6217 # version 0.5.0
6218 # See https://github.com/ytdl-org/youtube-dl/issues/5498
6219 pyxattr_required_version = '0.5.0'
6220 if version_tuple(xattr.__version__) < version_tuple(pyxattr_required_version):
6221 # TODO: fallback to CLI tools
6222 raise XAttrUnavailableError(
6223 'python-pyxattr is detected but is too old. '
6224 'yt-dlp requires %s or above while your version is %s. '
6225 'Falling back to other xattr implementations' % (
6226 pyxattr_required_version, xattr.__version__))
6227
6228 setxattr = xattr.set
6229 else: # xattr
6230 setxattr = xattr.setxattr
6231
6232 try:
6233 setxattr(path, key, value)
6234 except EnvironmentError as e:
6235 raise XAttrMetadataError(e.errno, e.strerror)
6236
6237 except ImportError:
6238 if compat_os_name == 'nt':
6239 # Write xattrs to NTFS Alternate Data Streams:
6240 # http://en.wikipedia.org/wiki/NTFS#Alternate_data_streams_.28ADS.29
6241 assert ':' not in key
6242 assert os.path.exists(path)
6243
6244 ads_fn = path + ':' + key
6245 try:
6246 with open(ads_fn, 'wb') as f:
6247 f.write(value)
6248 except EnvironmentError as e:
6249 raise XAttrMetadataError(e.errno, e.strerror)
6250 else:
6251 user_has_setfattr = check_executable('setfattr', ['--version'])
6252 user_has_xattr = check_executable('xattr', ['-h'])
6253
6254 if user_has_setfattr or user_has_xattr:
6255
6256 value = value.decode('utf-8')
6257 if user_has_setfattr:
6258 executable = 'setfattr'
6259 opts = ['-n', key, '-v', value]
6260 elif user_has_xattr:
6261 executable = 'xattr'
6262 opts = ['-w', key, value]
6263
6264 cmd = ([encodeFilename(executable, True)]
6265 + [encodeArgument(o) for o in opts]
6266 + [encodeFilename(path, True)])
6267
6268 try:
6269 p = Popen(
6270 cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE)
6271 except EnvironmentError as e:
6272 raise XAttrMetadataError(e.errno, e.strerror)
6273 stdout, stderr = p.communicate_or_kill()
6274 stderr = stderr.decode('utf-8', 'replace')
6275 if p.returncode != 0:
6276 raise XAttrMetadataError(p.returncode, stderr)
6277
6278 else:
6279 # On Unix, and can't find pyxattr, setfattr, or xattr.
6280 if sys.platform.startswith('linux'):
6281 raise XAttrUnavailableError(
6282 "Couldn't find a tool to set the xattrs. "
6283 "Install either the python 'pyxattr' or 'xattr' "
6284 "modules, or the GNU 'attr' package "
6285 "(which contains the 'setfattr' tool).")
6286 else:
6287 raise XAttrUnavailableError(
6288 "Couldn't find a tool to set the xattrs. "
6289 "Install either the python 'xattr' module, "
6290 "or the 'xattr' binary.")
6291
6292
6293 def random_birthday(year_field, month_field, day_field):
6294 start_date = datetime.date(1950, 1, 1)
6295 end_date = datetime.date(1995, 12, 31)
6296 offset = random.randint(0, (end_date - start_date).days)
6297 random_date = start_date + datetime.timedelta(offset)
6298 return {
6299 year_field: str(random_date.year),
6300 month_field: str(random_date.month),
6301 day_field: str(random_date.day),
6302 }
6303
6304
6305 # Templates for internet shortcut files, which are plain text files.
6306 DOT_URL_LINK_TEMPLATE = '''
6307 [InternetShortcut]
6308 URL=%(url)s
6309 '''.lstrip()
6310
6311 DOT_WEBLOC_LINK_TEMPLATE = '''
6312 <?xml version="1.0" encoding="UTF-8"?>
6313 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
6314 <plist version="1.0">
6315 <dict>
6316 \t<key>URL</key>
6317 \t<string>%(url)s</string>
6318 </dict>
6319 </plist>
6320 '''.lstrip()
6321
6322 DOT_DESKTOP_LINK_TEMPLATE = '''
6323 [Desktop Entry]
6324 Encoding=UTF-8
6325 Name=%(filename)s
6326 Type=Link
6327 URL=%(url)s
6328 Icon=text-html
6329 '''.lstrip()
6330
6331 LINK_TEMPLATES = {
6332 'url': DOT_URL_LINK_TEMPLATE,
6333 'desktop': DOT_DESKTOP_LINK_TEMPLATE,
6334 'webloc': DOT_WEBLOC_LINK_TEMPLATE,
6335 }
6336
6337
6338 def iri_to_uri(iri):
6339 """
6340 Converts an IRI (Internationalized Resource Identifier, allowing Unicode characters) to a URI (Uniform Resource Identifier, ASCII-only).
6341
6342 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.
6343 """
6344
6345 iri_parts = compat_urllib_parse_urlparse(iri)
6346
6347 if '[' in iri_parts.netloc:
6348 raise ValueError('IPv6 URIs are not, yet, supported.')
6349 # Querying `.netloc`, when there's only one bracket, also raises a ValueError.
6350
6351 # 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.
6352
6353 net_location = ''
6354 if iri_parts.username:
6355 net_location += compat_urllib_parse_quote(iri_parts.username, safe=r"!$%&'()*+,~")
6356 if iri_parts.password is not None:
6357 net_location += ':' + compat_urllib_parse_quote(iri_parts.password, safe=r"!$%&'()*+,~")
6358 net_location += '@'
6359
6360 net_location += iri_parts.hostname.encode('idna').decode('utf-8') # Punycode for Unicode hostnames.
6361 # The 'idna' encoding produces ASCII text.
6362 if iri_parts.port is not None and iri_parts.port != 80:
6363 net_location += ':' + str(iri_parts.port)
6364
6365 return compat_urllib_parse_urlunparse(
6366 (iri_parts.scheme,
6367 net_location,
6368
6369 compat_urllib_parse_quote_plus(iri_parts.path, safe=r"!$%&'()*+,/:;=@|~"),
6370
6371 # Unsure about the `safe` argument, since this is a legacy way of handling parameters.
6372 compat_urllib_parse_quote_plus(iri_parts.params, safe=r"!$%&'()*+,/:;=@|~"),
6373
6374 # Not totally sure about the `safe` argument, since the source does not explicitly mention the query URI component.
6375 compat_urllib_parse_quote_plus(iri_parts.query, safe=r"!$%&'()*+,/:;=?@{|}~"),
6376
6377 compat_urllib_parse_quote_plus(iri_parts.fragment, safe=r"!#$%&'()*+,/:;=?@{|}~")))
6378
6379 # Source for `safe` arguments: https://url.spec.whatwg.org/#percent-encoded-bytes.
6380
6381
6382 def to_high_limit_path(path):
6383 if sys.platform in ['win32', 'cygwin']:
6384 # Work around MAX_PATH limitation on Windows. The maximum allowed length for the individual path segments may still be quite limited.
6385 return r'\\?\ '.rstrip() + os.path.abspath(path)
6386
6387 return path
6388
6389
6390 def format_field(obj, field=None, template='%s', ignore=(None, ''), default='', func=None):
6391 if field is None:
6392 val = obj if obj is not None else default
6393 else:
6394 val = obj.get(field, default)
6395 if func and val not in ignore:
6396 val = func(val)
6397 return template % val if val not in ignore else default
6398
6399
6400 def clean_podcast_url(url):
6401 return re.sub(r'''(?x)
6402 (?:
6403 (?:
6404 chtbl\.com/track|
6405 media\.blubrry\.com| # https://create.blubrry.com/resources/podcast-media-download-statistics/getting-started/
6406 play\.podtrac\.com
6407 )/[^/]+|
6408 (?:dts|www)\.podtrac\.com/(?:pts/)?redirect\.[0-9a-z]{3,4}| # http://analytics.podtrac.com/how-to-measure
6409 flex\.acast\.com|
6410 pd(?:
6411 cn\.co| # https://podcorn.com/analytics-prefix/
6412 st\.fm # https://podsights.com/docs/
6413 )/e
6414 )/''', '', url)
6415
6416
6417 _HEX_TABLE = '0123456789abcdef'
6418
6419
6420 def random_uuidv4():
6421 return re.sub(r'[xy]', lambda x: _HEX_TABLE[random.randint(0, 15)], 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx')
6422
6423
6424 def make_dir(path, to_screen=None):
6425 try:
6426 dn = os.path.dirname(path)
6427 if dn and not os.path.exists(dn):
6428 os.makedirs(dn)
6429 return True
6430 except (OSError, IOError) as err:
6431 if callable(to_screen) is not None:
6432 to_screen('unable to create directory ' + error_to_compat_str(err))
6433 return False
6434
6435
6436 def get_executable_path():
6437 from zipimport import zipimporter
6438 if hasattr(sys, 'frozen'): # Running from PyInstaller
6439 path = os.path.dirname(sys.executable)
6440 elif isinstance(globals().get('__loader__'), zipimporter): # Running from ZIP
6441 path = os.path.join(os.path.dirname(__file__), '../..')
6442 else:
6443 path = os.path.join(os.path.dirname(__file__), '..')
6444 return os.path.abspath(path)
6445
6446
6447 def load_plugins(name, suffix, namespace):
6448 classes = {}
6449 try:
6450 plugins_spec = importlib.util.spec_from_file_location(
6451 name, os.path.join(get_executable_path(), 'ytdlp_plugins', name, '__init__.py'))
6452 plugins = importlib.util.module_from_spec(plugins_spec)
6453 sys.modules[plugins_spec.name] = plugins
6454 plugins_spec.loader.exec_module(plugins)
6455 for name in dir(plugins):
6456 if name in namespace:
6457 continue
6458 if not name.endswith(suffix):
6459 continue
6460 klass = getattr(plugins, name)
6461 classes[name] = namespace[name] = klass
6462 except FileNotFoundError:
6463 pass
6464 return classes
6465
6466
6467 def traverse_obj(
6468 obj, *path_list, default=None, expected_type=None, get_all=True,
6469 casesense=True, is_user_input=False, traverse_string=False):
6470 ''' Traverse nested list/dict/tuple
6471 @param path_list A list of paths which are checked one by one.
6472 Each path is a list of keys where each key is a string,
6473 a function, a tuple of strings or "...".
6474 When a fuction is given, it takes the key as argument and
6475 returns whether the key matches or not. When a tuple is given,
6476 all the keys given in the tuple are traversed, and
6477 "..." traverses all the keys in the object
6478 @param default Default value to return
6479 @param expected_type Only accept final value of this type (Can also be any callable)
6480 @param get_all Return all the values obtained from a path or only the first one
6481 @param casesense Whether to consider dictionary keys as case sensitive
6482 @param is_user_input Whether the keys are generated from user input. If True,
6483 strings are converted to int/slice if necessary
6484 @param traverse_string Whether to traverse inside strings. If True, any
6485 non-compatible object will also be converted into a string
6486 # TODO: Write tests
6487 '''
6488 if not casesense:
6489 _lower = lambda k: (k.lower() if isinstance(k, str) else k)
6490 path_list = (map(_lower, variadic(path)) for path in path_list)
6491
6492 def _traverse_obj(obj, path, _current_depth=0):
6493 nonlocal depth
6494 path = tuple(variadic(path))
6495 for i, key in enumerate(path):
6496 if obj is None:
6497 return None
6498 if isinstance(key, (list, tuple)):
6499 obj = [_traverse_obj(obj, sub_key, _current_depth) for sub_key in key]
6500 key = ...
6501 if key is ...:
6502 obj = (obj.values() if isinstance(obj, dict)
6503 else obj if isinstance(obj, (list, tuple, LazyList))
6504 else str(obj) if traverse_string else [])
6505 _current_depth += 1
6506 depth = max(depth, _current_depth)
6507 return [_traverse_obj(inner_obj, path[i + 1:], _current_depth) for inner_obj in obj]
6508 elif callable(key):
6509 if isinstance(obj, (list, tuple, LazyList)):
6510 obj = enumerate(obj)
6511 elif isinstance(obj, dict):
6512 obj = obj.items()
6513 else:
6514 if not traverse_string:
6515 return None
6516 obj = str(obj)
6517 _current_depth += 1
6518 depth = max(depth, _current_depth)
6519 return [_traverse_obj(v, path[i + 1:], _current_depth) for k, v in obj if key(k)]
6520 elif isinstance(obj, dict) and not (is_user_input and key == ':'):
6521 obj = (obj.get(key) if casesense or (key in obj)
6522 else next((v for k, v in obj.items() if _lower(k) == key), None))
6523 else:
6524 if is_user_input:
6525 key = (int_or_none(key) if ':' not in key
6526 else slice(*map(int_or_none, key.split(':'))))
6527 if key == slice(None):
6528 return _traverse_obj(obj, (..., *path[i + 1:]), _current_depth)
6529 if not isinstance(key, (int, slice)):
6530 return None
6531 if not isinstance(obj, (list, tuple, LazyList)):
6532 if not traverse_string:
6533 return None
6534 obj = str(obj)
6535 try:
6536 obj = obj[key]
6537 except IndexError:
6538 return None
6539 return obj
6540
6541 if isinstance(expected_type, type):
6542 type_test = lambda val: val if isinstance(val, expected_type) else None
6543 elif expected_type is not None:
6544 type_test = expected_type
6545 else:
6546 type_test = lambda val: val
6547
6548 for path in path_list:
6549 depth = 0
6550 val = _traverse_obj(obj, path)
6551 if val is not None:
6552 if depth:
6553 for _ in range(depth - 1):
6554 val = itertools.chain.from_iterable(v for v in val if v is not None)
6555 val = [v for v in map(type_test, val) if v is not None]
6556 if val:
6557 return val if get_all else val[0]
6558 else:
6559 val = type_test(val)
6560 if val is not None:
6561 return val
6562 return default
6563
6564
6565 # Deprecated
6566 def traverse_dict(dictn, keys, casesense=True):
6567 write_string('DeprecationWarning: yt_dlp.utils.traverse_dict is deprecated '
6568 'and may be removed in a future version. Use yt_dlp.utils.traverse_obj instead')
6569 return traverse_obj(dictn, keys, casesense=casesense, is_user_input=True, traverse_string=True)
6570
6571
6572 def variadic(x, allowed_types=(str, bytes)):
6573 return x if isinstance(x, collections.abc.Iterable) and not isinstance(x, allowed_types) else (x,)
6574
6575
6576 # create a JSON Web Signature (jws) with HS256 algorithm
6577 # the resulting format is in JWS Compact Serialization
6578 # implemented following JWT https://www.rfc-editor.org/rfc/rfc7519.html
6579 # implemented following JWS https://www.rfc-editor.org/rfc/rfc7515.html
6580 def jwt_encode_hs256(payload_data, key, headers={}):
6581 header_data = {
6582 'alg': 'HS256',
6583 'typ': 'JWT',
6584 }
6585 if headers:
6586 header_data.update(headers)
6587 header_b64 = base64.b64encode(json.dumps(header_data).encode('utf-8'))
6588 payload_b64 = base64.b64encode(json.dumps(payload_data).encode('utf-8'))
6589 h = hmac.new(key.encode('utf-8'), header_b64 + b'.' + payload_b64, hashlib.sha256)
6590 signature_b64 = base64.b64encode(h.digest())
6591 token = header_b64 + b'.' + payload_b64 + b'.' + signature_b64
6592 return token
6593
6594
6595 # can be extended in future to verify the signature and parse header and return the algorithm used if it's not HS256
6596 def jwt_decode_hs256(jwt):
6597 header_b64, payload_b64, signature_b64 = jwt.split('.')
6598 payload_data = json.loads(base64.urlsafe_b64decode(payload_b64))
6599 return payload_data
6600
6601
6602 def supports_terminal_sequences(stream):
6603 if compat_os_name == 'nt':
6604 from .compat import WINDOWS_VT_MODE # Must be imported locally
6605 if not WINDOWS_VT_MODE or get_windows_version() < (10, 0, 10586):
6606 return False
6607 elif not os.getenv('TERM'):
6608 return False
6609 try:
6610 return stream.isatty()
6611 except BaseException:
6612 return False
6613
6614
6615 _terminal_sequences_re = re.compile('\033\\[[^m]+m')
6616
6617
6618 def remove_terminal_sequences(string):
6619 return _terminal_sequences_re.sub('', string)
6620
6621
6622 def number_of_digits(number):
6623 return len('%d' % number)
6624
6625
6626 def join_nonempty(*values, delim='-', from_dict=None):
6627 if from_dict is not None:
6628 values = map(from_dict.get, values)
6629 return delim.join(map(str, filter(None, values)))