/usr/share/pyshared/setuptools/command/easy_install.py is in python-setuptools 0.6.24-1ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 | #! /usr/bin/python
"""\
Easy Install
------------
A tool for doing automatic download/extract/build of distutils-based Python
packages. For detailed documentation, see the accompanying EasyInstall.txt
file, or visit the `EasyInstall home page`__.
__ http://packages.python.org/distribute/easy_install.html
"""
import sys, os.path, zipimport, shutil, tempfile, zipfile, re, stat, random
from glob import glob
from setuptools import Command, _dont_write_bytecode
from setuptools.sandbox import run_setup
from distutils import log, dir_util
from distutils.util import get_platform
from distutils.util import convert_path, subst_vars
from distutils.sysconfig import get_python_lib, get_config_vars
from distutils.errors import DistutilsArgError, DistutilsOptionError, \
DistutilsError, DistutilsPlatformError
from distutils.command.install import INSTALL_SCHEMES, SCHEME_KEYS
from setuptools.archive_util import unpack_archive
from setuptools.package_index import PackageIndex
from setuptools.package_index import URL_SCHEME
from setuptools.command import bdist_egg, egg_info
from pkg_resources import yield_lines, normalize_path, resource_string, \
ensure_directory, get_distribution, find_distributions, \
Environment, Requirement, Distribution, \
PathMetadata, EggMetadata, WorkingSet, \
DistributionNotFound, VersionConflict, \
DEVELOP_DIST
sys_executable = os.path.normpath(sys.executable)
__all__ = [
'samefile', 'easy_install', 'PthDistributions', 'extract_wininst_cfg',
'main', 'get_exe_prefixes',
]
import site
HAS_USER_SITE = not sys.version < "2.6" and site.ENABLE_USER_SITE
import struct
def is_64bit():
return struct.calcsize("P") == 8
def samefile(p1,p2):
if hasattr(os.path,'samefile') and (
os.path.exists(p1) and os.path.exists(p2)
):
return os.path.samefile(p1,p2)
return (
os.path.normpath(os.path.normcase(p1)) ==
os.path.normpath(os.path.normcase(p2))
)
if sys.version_info <= (3,):
def _to_ascii(s):
return s
def isascii(s):
try:
unicode(s, 'ascii')
return True
except UnicodeError:
return False
else:
def _to_ascii(s):
return s.encode('ascii')
def isascii(s):
try:
s.encode('ascii')
return True
except UnicodeError:
return False
class easy_install(Command):
"""Manage a download/build/install process"""
description = "Find/get/install Python packages"
command_consumes_arguments = True
user_options = [
('prefix=', None, "installation prefix"),
("zip-ok", "z", "install package as a zipfile"),
("multi-version", "m", "make apps have to require() a version"),
("upgrade", "U", "force upgrade (searches PyPI for latest versions)"),
("install-dir=", "d", "install package to DIR"),
("script-dir=", "s", "install scripts to DIR"),
("exclude-scripts", "x", "Don't install scripts"),
("always-copy", "a", "Copy all needed packages to install dir"),
("index-url=", "i", "base URL of Python Package Index"),
("find-links=", "f", "additional URL(s) to search for packages"),
("delete-conflicting", "D", "no longer needed; don't use this"),
("ignore-conflicts-at-my-risk", None,
"no longer needed; don't use this"),
("build-directory=", "b",
"download/extract/build in DIR; keep the results"),
('optimize=', 'O',
"also compile with optimization: -O1 for \"python -O\", "
"-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
('record=', None,
"filename in which to record list of installed files"),
('always-unzip', 'Z', "don't install as a zipfile, no matter what"),
('site-dirs=','S',"list of directories where .pth files work"),
('editable', 'e', "Install specified packages in editable form"),
('no-deps', 'N', "don't install dependencies"),
('allow-hosts=', 'H', "pattern(s) that hostnames must match"),
('local-snapshots-ok', 'l', "allow building eggs from local checkouts"),
('version', None, "print version information and exit"),
('install-layout=', None, "installation layout to choose (known values: deb)"),
('force-installation-into-system-dir', '0', "force installation into /usr"),
('no-find-links', None,
"Don't load find-links defined in packages being installed")
]
boolean_options = [
'zip-ok', 'multi-version', 'exclude-scripts', 'upgrade', 'always-copy',
'delete-conflicting', 'ignore-conflicts-at-my-risk', 'editable',
'no-deps', 'local-snapshots-ok', 'version', 'force-installation-into-system-dir'
]
if HAS_USER_SITE:
user_options.append(('user', None,
"install in user site-package '%s'" % site.USER_SITE))
boolean_options.append('user')
negative_opt = {'always-unzip': 'zip-ok'}
create_index = PackageIndex
def initialize_options(self):
if HAS_USER_SITE:
whereami = os.path.abspath(__file__)
self.user = whereami.startswith(site.USER_SITE)
else:
self.user = 0
self.zip_ok = self.local_snapshots_ok = None
self.install_dir = self.script_dir = self.exclude_scripts = None
self.index_url = None
self.find_links = None
self.build_directory = None
self.args = None
self.optimize = self.record = None
self.upgrade = self.always_copy = self.multi_version = None
self.editable = self.no_deps = self.allow_hosts = None
self.root = self.prefix = self.no_report = None
self.version = None
self.install_purelib = None # for pure module distributions
self.install_platlib = None # non-pure (dists w/ extensions)
self.install_headers = None # for C/C++ headers
self.install_lib = None # set to either purelib or platlib
self.install_scripts = None
self.install_data = None
self.install_base = None
self.install_platbase = None
if HAS_USER_SITE:
self.install_userbase = site.USER_BASE
self.install_usersite = site.USER_SITE
else:
self.install_userbase = None
self.install_usersite = None
self.no_find_links = None
# Options not specifiable via command line
self.package_index = None
self.pth_file = self.always_copy_from = None
self.delete_conflicting = None
self.ignore_conflicts_at_my_risk = None
self.site_dirs = None
self.installed_projects = {}
self.sitepy_installed = False
# enable custom installation, known values: deb
self.install_layout = None
self.force_installation_into_system_dir = None
# Always read easy_install options, even if we are subclassed, or have
# an independent instance created. This ensures that defaults will
# always come from the standard configuration file(s)' "easy_install"
# section, even if this is a "develop" or "install" command, or some
# other embedding.
self._dry_run = None
self.verbose = self.distribution.verbose
self.distribution._set_command_options(
self, self.distribution.get_option_dict('easy_install')
)
def delete_blockers(self, blockers):
for filename in blockers:
if os.path.exists(filename) or os.path.islink(filename):
log.info("Deleting %s", filename)
if not self.dry_run:
if os.path.isdir(filename) and not os.path.islink(filename):
rmtree(filename)
else:
os.unlink(filename)
def finalize_options(self):
if self.version:
print 'distribute %s' % get_distribution('distribute').version
sys.exit()
py_version = sys.version.split()[0]
prefix, exec_prefix = get_config_vars('prefix', 'exec_prefix')
self.config_vars = {'dist_name': self.distribution.get_name(),
'dist_version': self.distribution.get_version(),
'dist_fullname': self.distribution.get_fullname(),
'py_version': py_version,
'py_version_short': py_version[0:3],
'py_version_nodot': py_version[0] + py_version[2],
'sys_prefix': prefix,
'prefix': prefix,
'sys_exec_prefix': exec_prefix,
'exec_prefix': exec_prefix,
# Only python 3.2+ has abiflags
'abiflags': getattr(sys, 'abiflags', ''),
}
if HAS_USER_SITE:
self.config_vars['userbase'] = self.install_userbase
self.config_vars['usersite'] = self.install_usersite
# fix the install_dir if "--user" was used
#XXX: duplicate of the code in the setup command
if self.user and HAS_USER_SITE:
self.create_home_path()
if self.install_userbase is None:
raise DistutilsPlatformError(
"User base directory is not specified")
self.install_base = self.install_platbase = self.install_userbase
if os.name == 'posix':
self.select_scheme("unix_user")
else:
self.select_scheme(os.name + "_user")
self.expand_basedirs()
self.expand_dirs()
if self.install_layout:
if not self.install_layout.lower() in ['deb']:
raise DistutilsOptionError("unknown value for --install-layout")
self._expand('install_dir','script_dir','build_directory','site_dirs')
# If a non-default installation directory was specified, default the
# script directory to match it.
if self.script_dir is None:
self.script_dir = self.install_dir
if self.no_find_links is None:
self.no_find_links = False
# Let install_dir get set by install_lib command, which in turn
# gets its info from the install command, and takes into account
# --prefix and --home and all that other crud.
self.set_undefined_options('install_lib',
('install_dir','install_dir')
)
# Likewise, set default script_dir from 'install_scripts.install_dir'
self.set_undefined_options('install_scripts',
('install_dir', 'script_dir')
)
if self.user and self.install_purelib:
self.install_dir = self.install_purelib
self.script_dir = self.install_scripts
if self.prefix == '/usr' and not self.force_installation_into_system_dir:
raise DistutilsOptionError("""installation into /usr
Trying to install into the system managed parts of the file system. Please
consider to install to another location, or use the option
--force-installation-into-system-dir to overwrite this warning.
""")
# default --record from the install command
self.set_undefined_options('install', ('record', 'record'))
normpath = map(normalize_path, sys.path)
self.all_site_dirs = get_site_dirs()
if self.site_dirs is not None:
site_dirs = [
os.path.expanduser(s.strip()) for s in self.site_dirs.split(',')
]
for d in site_dirs:
if not os.path.isdir(d):
log.warn("%s (in --site-dirs) does not exist", d)
elif normalize_path(d) not in normpath:
raise DistutilsOptionError(
d+" (in --site-dirs) is not on sys.path"
)
else:
self.all_site_dirs.append(normalize_path(d))
if not self.editable: self.check_site_dir()
self.index_url = self.index_url or "http://pypi.python.org/simple"
self.shadow_path = self.all_site_dirs[:]
for path_item in self.install_dir, normalize_path(self.script_dir):
if path_item not in self.shadow_path:
self.shadow_path.insert(0, path_item)
if self.allow_hosts is not None:
hosts = [s.strip() for s in self.allow_hosts.split(',')]
else:
hosts = ['*']
if self.package_index is None:
self.package_index = self.create_index(
self.index_url, search_path = self.shadow_path, hosts=hosts,
)
self.local_index = Environment(self.shadow_path+sys.path)
if self.find_links is not None:
if isinstance(self.find_links, basestring):
self.find_links = self.find_links.split()
else:
self.find_links = []
if self.local_snapshots_ok:
self.package_index.scan_egg_links(self.shadow_path+sys.path)
if not self.no_find_links:
self.package_index.add_find_links(self.find_links)
self.set_undefined_options('install_lib', ('optimize','optimize'))
if not isinstance(self.optimize,int):
try:
self.optimize = int(self.optimize)
if not (0 <= self.optimize <= 2): raise ValueError
except ValueError:
raise DistutilsOptionError("--optimize must be 0, 1, or 2")
if self.delete_conflicting and self.ignore_conflicts_at_my_risk:
raise DistutilsOptionError(
"Can't use both --delete-conflicting and "
"--ignore-conflicts-at-my-risk at the same time"
)
if self.editable and not self.build_directory:
raise DistutilsArgError(
"Must specify a build directory (-b) when using --editable"
)
if not self.args:
raise DistutilsArgError(
"No urls, filenames, or requirements specified (see --help)")
self.outputs = []
def _expand_attrs(self, attrs):
for attr in attrs:
val = getattr(self, attr)
if val is not None:
if os.name == 'posix' or os.name == 'nt':
val = os.path.expanduser(val)
val = subst_vars(val, self.config_vars)
setattr(self, attr, val)
def expand_basedirs(self):
"""Calls `os.path.expanduser` on install_base, install_platbase and
root."""
self._expand_attrs(['install_base', 'install_platbase', 'root'])
def expand_dirs(self):
"""Calls `os.path.expanduser` on install dirs."""
self._expand_attrs(['install_purelib', 'install_platlib',
'install_lib', 'install_headers',
'install_scripts', 'install_data',])
def run(self):
if self.verbose != self.distribution.verbose:
log.set_verbosity(self.verbose)
try:
for spec in self.args:
self.easy_install(spec, not self.no_deps)
if self.record:
outputs = self.outputs
if self.root: # strip any package prefix
root_len = len(self.root)
for counter in xrange(len(outputs)):
outputs[counter] = outputs[counter][root_len:]
from distutils import file_util
self.execute(
file_util.write_file, (self.record, outputs),
"writing list of installed files to '%s'" %
self.record
)
self.warn_deprecated_options()
finally:
log.set_verbosity(self.distribution.verbose)
def pseudo_tempname(self):
"""Return a pseudo-tempname base in the install directory.
This code is intentionally naive; if a malicious party can write to
the target directory you're already in deep doodoo.
"""
try:
pid = os.getpid()
except:
pid = random.randint(0,sys.maxint)
return os.path.join(self.install_dir, "test-easy-install-%s" % pid)
def warn_deprecated_options(self):
if self.delete_conflicting or self.ignore_conflicts_at_my_risk:
log.warn(
"Note: The -D, --delete-conflicting and"
" --ignore-conflicts-at-my-risk no longer have any purpose"
" and should not be used."
)
def check_site_dir(self):
"""Verify that self.install_dir is .pth-capable dir, if needed"""
instdir = normalize_path(self.install_dir)
pth_file = os.path.join(instdir,'easy-install.pth')
# Is it a configured, PYTHONPATH, implicit, or explicit site dir?
is_site_dir = instdir in self.all_site_dirs
if not is_site_dir:
# No? Then directly test whether it does .pth file processing
is_site_dir = self.check_pth_processing()
else:
# make sure we can write to target dir
testfile = self.pseudo_tempname()+'.write-test'
test_exists = os.path.exists(testfile)
try:
if test_exists: os.unlink(testfile)
open(testfile,'w').close()
os.unlink(testfile)
except (OSError,IOError):
self.cant_write_to_target()
if not is_site_dir and not self.multi_version:
# Can't install non-multi to non-site dir
raise DistutilsError(self.no_default_version_msg())
if is_site_dir:
if self.pth_file is None:
self.pth_file = PthDistributions(pth_file, self.all_site_dirs)
else:
self.pth_file = None
PYTHONPATH = os.environ.get('PYTHONPATH','').split(os.pathsep)
if instdir not in map(normalize_path, filter(None,PYTHONPATH)):
# only PYTHONPATH dirs need a site.py, so pretend it's there
self.sitepy_installed = True
elif self.multi_version and not os.path.exists(pth_file):
self.sitepy_installed = True # don't need site.py in this case
self.pth_file = None # and don't create a .pth file
self.install_dir = instdir
def cant_write_to_target(self):
msg = """can't create or remove files in install directory
The following error occurred while trying to add or remove files in the
installation directory:
%s
The installation directory you specified (via --install-dir, --prefix, or
the distutils default setting) was:
%s
""" % (sys.exc_info()[1], self.install_dir,)
if not os.path.exists(self.install_dir):
msg += """
This directory does not currently exist. Please create it and try again, or
choose a different installation directory (using the -d or --install-dir
option).
"""
else:
msg += """
Perhaps your account does not have write access to this directory? If the
installation directory is a system-owned directory, you may need to sign in
as the administrator or "root" account. If you do not have administrative
access to this machine, you may wish to choose a different installation
directory, preferably one that is listed in your PYTHONPATH environment
variable.
For information on other options, you may wish to consult the
documentation at:
http://packages.python.org/distribute/easy_install.html
Please make the appropriate changes for your system and try again.
"""
raise DistutilsError(msg)
def check_pth_processing(self):
"""Empirically verify whether .pth files are supported in inst. dir"""
instdir = self.install_dir
log.info("Checking .pth file support in %s", instdir)
pth_file = self.pseudo_tempname()+".pth"
ok_file = pth_file+'.ok'
ok_exists = os.path.exists(ok_file)
try:
if ok_exists: os.unlink(ok_file)
dirname = os.path.dirname(ok_file)
if not os.path.exists(dirname):
os.makedirs(dirname)
f = open(pth_file,'w')
except (OSError,IOError):
self.cant_write_to_target()
else:
try:
f.write("import os;open(%r,'w').write('OK')\n" % (ok_file,))
f.close(); f=None
executable = sys.executable
if os.name=='nt':
dirname,basename = os.path.split(executable)
alt = os.path.join(dirname,'pythonw.exe')
if basename.lower()=='python.exe' and os.path.exists(alt):
# use pythonw.exe to avoid opening a console window
executable = alt
from distutils.spawn import spawn
spawn([executable,'-E','-c','pass'],0)
if os.path.exists(ok_file):
log.info(
"TEST PASSED: %s appears to support .pth files",
instdir
)
return True
finally:
if f: f.close()
if os.path.exists(ok_file): os.unlink(ok_file)
if os.path.exists(pth_file): os.unlink(pth_file)
if not self.multi_version:
log.warn("TEST FAILED: %s does NOT support .pth files", instdir)
return False
def install_egg_scripts(self, dist):
"""Write all the scripts for `dist`, unless scripts are excluded"""
if not self.exclude_scripts and dist.metadata_isdir('scripts'):
for script_name in dist.metadata_listdir('scripts'):
self.install_script(
dist, script_name,
dist.get_metadata('scripts/'+script_name)
)
self.install_wrapper_scripts(dist)
def add_output(self, path):
if os.path.isdir(path):
for base, dirs, files in os.walk(path):
for filename in files:
self.outputs.append(os.path.join(base,filename))
else:
self.outputs.append(path)
def not_editable(self, spec):
if self.editable:
raise DistutilsArgError(
"Invalid argument %r: you can't use filenames or URLs "
"with --editable (except via the --find-links option)."
% (spec,)
)
def check_editable(self,spec):
if not self.editable:
return
if os.path.exists(os.path.join(self.build_directory, spec.key)):
raise DistutilsArgError(
"%r already exists in %s; can't do a checkout there" %
(spec.key, self.build_directory)
)
def easy_install(self, spec, deps=False):
tmpdir = tempfile.mkdtemp(prefix="easy_install-")
download = None
if not self.editable: self.install_site_py()
try:
if not isinstance(spec,Requirement):
if URL_SCHEME(spec):
# It's a url, download it to tmpdir and process
self.not_editable(spec)
download = self.package_index.download(spec, tmpdir)
return self.install_item(None, download, tmpdir, deps, True)
elif os.path.exists(spec):
# Existing file or directory, just process it directly
self.not_editable(spec)
return self.install_item(None, spec, tmpdir, deps, True)
else:
spec = parse_requirement_arg(spec)
self.check_editable(spec)
dist = self.package_index.fetch_distribution(
spec, tmpdir, self.upgrade, self.editable, not self.always_copy,
self.local_index
)
if dist is None:
msg = "Could not find suitable distribution for %r" % spec
if self.always_copy:
msg+=" (--always-copy skips system and development eggs)"
raise DistutilsError(msg)
elif dist.precedence==DEVELOP_DIST:
# .egg-info dists don't need installing, just process deps
self.process_distribution(spec, dist, deps, "Using")
return dist
else:
return self.install_item(spec, dist.location, tmpdir, deps)
finally:
if os.path.exists(tmpdir):
rmtree(tmpdir)
def install_item(self, spec, download, tmpdir, deps, install_needed=False):
# Installation is also needed if file in tmpdir or is not an egg
install_needed = install_needed or self.always_copy
install_needed = install_needed or os.path.dirname(download) == tmpdir
install_needed = install_needed or not download.endswith('.egg')
install_needed = install_needed or (
self.always_copy_from is not None and
os.path.dirname(normalize_path(download)) ==
normalize_path(self.always_copy_from)
)
if spec and not install_needed:
# at this point, we know it's a local .egg, we just don't know if
# it's already installed.
for dist in self.local_index[spec.project_name]:
if dist.location==download:
break
else:
install_needed = True # it's not in the local index
log.info("Processing %s", os.path.basename(download))
if install_needed:
dists = self.install_eggs(spec, download, tmpdir)
for dist in dists:
self.process_distribution(spec, dist, deps)
else:
dists = [self.check_conflicts(self.egg_distribution(download))]
self.process_distribution(spec, dists[0], deps, "Using")
if spec is not None:
for dist in dists:
if dist in spec:
return dist
def select_scheme(self, name):
"""Sets the install directories by applying the install schemes."""
# it's the caller's problem if they supply a bad name!
scheme = INSTALL_SCHEMES[name]
for key in SCHEME_KEYS:
attrname = 'install_' + key
if getattr(self, attrname) is None:
setattr(self, attrname, scheme[key])
def process_distribution(self, requirement, dist, deps=True, *info):
self.update_pth(dist)
self.package_index.add(dist)
self.local_index.add(dist)
if not self.editable:
self.install_egg_scripts(dist)
self.installed_projects[dist.key] = dist
log.info(self.installation_report(requirement, dist, *info))
if (dist.has_metadata('dependency_links.txt') and
not self.no_find_links):
self.package_index.add_find_links(
dist.get_metadata_lines('dependency_links.txt')
)
if not deps and not self.always_copy:
return
elif requirement is not None and dist.key != requirement.key:
log.warn("Skipping dependencies for %s", dist)
return # XXX this is not the distribution we were looking for
elif requirement is None or dist not in requirement:
# if we wound up with a different version, resolve what we've got
distreq = dist.as_requirement()
requirement = requirement or distreq
requirement = Requirement(
distreq.project_name, distreq.specs, requirement.extras
)
log.info("Processing dependencies for %s", requirement)
try:
distros = WorkingSet([]).resolve(
[requirement], self.local_index, self.easy_install
)
except DistributionNotFound, e:
raise DistutilsError(
"Could not find required distribution %s" % e.args
)
except VersionConflict, e:
raise DistutilsError(
"Installed distribution %s conflicts with requirement %s"
% e.args
)
if self.always_copy or self.always_copy_from:
# Force all the relevant distros to be copied or activated
for dist in distros:
if dist.key not in self.installed_projects:
self.easy_install(dist.as_requirement())
log.info("Finished processing dependencies for %s", requirement)
def should_unzip(self, dist):
if self.zip_ok is not None:
return not self.zip_ok
if dist.has_metadata('not-zip-safe'):
return True
if not dist.has_metadata('zip-safe'):
return True
return True
def maybe_move(self, spec, dist_filename, setup_base):
dst = os.path.join(self.build_directory, spec.key)
if os.path.exists(dst):
log.warn(
"%r already exists in %s; build directory %s will not be kept",
spec.key, self.build_directory, setup_base
)
return setup_base
if os.path.isdir(dist_filename):
setup_base = dist_filename
else:
if os.path.dirname(dist_filename)==setup_base:
os.unlink(dist_filename) # get it out of the tmp dir
contents = os.listdir(setup_base)
if len(contents)==1:
dist_filename = os.path.join(setup_base,contents[0])
if os.path.isdir(dist_filename):
# if the only thing there is a directory, move it instead
setup_base = dist_filename
ensure_directory(dst); shutil.move(setup_base, dst)
return dst
def install_wrapper_scripts(self, dist):
if not self.exclude_scripts:
for args in get_script_args(dist):
self.write_script(*args)
def install_script(self, dist, script_name, script_text, dev_path=None):
"""Generate a legacy script wrapper and install it"""
spec = str(dist.as_requirement())
is_script = is_python_script(script_text, script_name)
if is_script and dev_path:
script_text = get_script_header(script_text) + (
"# EASY-INSTALL-DEV-SCRIPT: %(spec)r,%(script_name)r\n"
"__requires__ = %(spec)r\n"
"from pkg_resources import require; require(%(spec)r)\n"
"del require\n"
"__file__ = %(dev_path)r\n"
"execfile(__file__)\n"
) % locals()
elif is_script:
script_text = get_script_header(script_text) + (
"# EASY-INSTALL-SCRIPT: %(spec)r,%(script_name)r\n"
"__requires__ = %(spec)r\n"
"import pkg_resources\n"
"pkg_resources.run_script(%(spec)r, %(script_name)r)\n"
) % locals()
self.write_script(script_name, _to_ascii(script_text), 'b')
def write_script(self, script_name, contents, mode="t", blockers=()):
"""Write an executable file to the scripts directory"""
self.delete_blockers( # clean up old .py/.pyw w/o a script
[os.path.join(self.script_dir,x) for x in blockers])
log.info("Installing %s script to %s", script_name, self.script_dir)
target = os.path.join(self.script_dir, script_name)
self.add_output(target)
if not self.dry_run:
ensure_directory(target)
f = open(target,"w"+mode)
f.write(contents)
f.close()
chmod(target,0755)
def install_eggs(self, spec, dist_filename, tmpdir):
# .egg dirs or files are already built, so just return them
if dist_filename.lower().endswith('.egg'):
return [self.install_egg(dist_filename, tmpdir)]
elif dist_filename.lower().endswith('.exe'):
return [self.install_exe(dist_filename, tmpdir)]
# Anything else, try to extract and build
setup_base = tmpdir
if os.path.isfile(dist_filename) and not dist_filename.endswith('.py'):
unpack_archive(dist_filename, tmpdir, self.unpack_progress)
elif os.path.isdir(dist_filename):
setup_base = os.path.abspath(dist_filename)
if (setup_base.startswith(tmpdir) # something we downloaded
and self.build_directory and spec is not None
):
setup_base = self.maybe_move(spec, dist_filename, setup_base)
# Find the setup.py file
setup_script = os.path.join(setup_base, 'setup.py')
if not os.path.exists(setup_script):
setups = glob(os.path.join(setup_base, '*', 'setup.py'))
if not setups:
raise DistutilsError(
"Couldn't find a setup script in %s" % os.path.abspath(dist_filename)
)
if len(setups)>1:
raise DistutilsError(
"Multiple setup scripts in %s" % os.path.abspath(dist_filename)
)
setup_script = setups[0]
# Now run it, and return the result
if self.editable:
log.info(self.report_editable(spec, setup_script))
return []
else:
return self.build_and_install(setup_script, setup_base)
def egg_distribution(self, egg_path):
if os.path.isdir(egg_path):
metadata = PathMetadata(egg_path,os.path.join(egg_path,'EGG-INFO'))
else:
metadata = EggMetadata(zipimport.zipimporter(egg_path))
return Distribution.from_filename(egg_path,metadata=metadata)
def install_egg(self, egg_path, tmpdir):
destination = os.path.join(self.install_dir,os.path.basename(egg_path))
destination = os.path.abspath(destination)
if not self.dry_run:
ensure_directory(destination)
dist = self.egg_distribution(egg_path)
self.check_conflicts(dist)
if not samefile(egg_path, destination):
if os.path.isdir(destination) and not os.path.islink(destination):
dir_util.remove_tree(destination, dry_run=self.dry_run)
elif os.path.exists(destination):
self.execute(os.unlink,(destination,),"Removing "+destination)
uncache_zipdir(destination)
if os.path.isdir(egg_path):
if egg_path.startswith(tmpdir):
f,m = shutil.move, "Moving"
else:
f,m = shutil.copytree, "Copying"
elif self.should_unzip(dist):
self.mkpath(destination)
f,m = self.unpack_and_compile, "Extracting"
elif egg_path.startswith(tmpdir):
f,m = shutil.move, "Moving"
else:
f,m = shutil.copy2, "Copying"
self.execute(f, (egg_path, destination),
(m+" %s to %s") %
(os.path.basename(egg_path),os.path.dirname(destination)))
self.add_output(destination)
return self.egg_distribution(destination)
def install_exe(self, dist_filename, tmpdir):
# See if it's valid, get data
cfg = extract_wininst_cfg(dist_filename)
if cfg is None:
raise DistutilsError(
"%s is not a valid distutils Windows .exe" % dist_filename
)
# Create a dummy distribution object until we build the real distro
dist = Distribution(None,
project_name=cfg.get('metadata','name'),
version=cfg.get('metadata','version'), platform=get_platform()
)
# Convert the .exe to an unpacked egg
egg_path = dist.location = os.path.join(tmpdir, dist.egg_name()+'.egg')
egg_tmp = egg_path+'.tmp'
egg_info = os.path.join(egg_tmp, 'EGG-INFO')
pkg_inf = os.path.join(egg_info, 'PKG-INFO')
ensure_directory(pkg_inf) # make sure EGG-INFO dir exists
dist._provider = PathMetadata(egg_tmp, egg_info) # XXX
self.exe_to_egg(dist_filename, egg_tmp)
# Write EGG-INFO/PKG-INFO
if not os.path.exists(pkg_inf):
f = open(pkg_inf,'w')
f.write('Metadata-Version: 1.0\n')
for k,v in cfg.items('metadata'):
if k<>'target_version':
f.write('%s: %s\n' % (k.replace('_','-').title(), v))
f.close()
script_dir = os.path.join(egg_info,'scripts')
self.delete_blockers( # delete entry-point scripts to avoid duping
[os.path.join(script_dir,args[0]) for args in get_script_args(dist)]
)
# Build .egg file from tmpdir
bdist_egg.make_zipfile(
egg_path, egg_tmp, verbose=self.verbose, dry_run=self.dry_run
)
# install the .egg
return self.install_egg(egg_path, tmpdir)
def exe_to_egg(self, dist_filename, egg_tmp):
"""Extract a bdist_wininst to the directories an egg would use"""
# Check for .pth file and set up prefix translations
prefixes = get_exe_prefixes(dist_filename)
to_compile = []
native_libs = []
top_level = {}
def process(src,dst):
s = src.lower()
for old,new in prefixes:
if s.startswith(old):
src = new+src[len(old):]
parts = src.split('/')
dst = os.path.join(egg_tmp, *parts)
dl = dst.lower()
if dl.endswith('.pyd') or dl.endswith('.dll'):
parts[-1] = bdist_egg.strip_module(parts[-1])
top_level[os.path.splitext(parts[0])[0]] = 1
native_libs.append(src)
elif dl.endswith('.py') and old!='SCRIPTS/':
top_level[os.path.splitext(parts[0])[0]] = 1
to_compile.append(dst)
return dst
if not src.endswith('.pth'):
log.warn("WARNING: can't process %s", src)
return None
# extract, tracking .pyd/.dll->native_libs and .py -> to_compile
unpack_archive(dist_filename, egg_tmp, process)
stubs = []
for res in native_libs:
if res.lower().endswith('.pyd'): # create stubs for .pyd's
parts = res.split('/')
resource = parts[-1]
parts[-1] = bdist_egg.strip_module(parts[-1])+'.py'
pyfile = os.path.join(egg_tmp, *parts)
to_compile.append(pyfile); stubs.append(pyfile)
bdist_egg.write_stub(resource, pyfile)
self.byte_compile(to_compile) # compile .py's
bdist_egg.write_safety_flag(os.path.join(egg_tmp,'EGG-INFO'),
bdist_egg.analyze_egg(egg_tmp, stubs)) # write zip-safety flag
for name in 'top_level','native_libs':
if locals()[name]:
txt = os.path.join(egg_tmp, 'EGG-INFO', name+'.txt')
if not os.path.exists(txt):
f = open(txt,'w')
f.write('\n'.join(locals()[name])+'\n')
f.close()
def check_conflicts(self, dist):
"""Verify that there are no conflicting "old-style" packages"""
return dist # XXX temporarily disable until new strategy is stable
from imp import find_module, get_suffixes
from glob import glob
blockers = []
names = dict.fromkeys(dist._get_metadata('top_level.txt')) # XXX private attr
exts = {'.pyc':1, '.pyo':1} # get_suffixes() might leave one out
for ext,mode,typ in get_suffixes():
exts[ext] = 1
for path,files in expand_paths([self.install_dir]+self.all_site_dirs):
for filename in files:
base,ext = os.path.splitext(filename)
if base in names:
if not ext:
# no extension, check for package
try:
f, filename, descr = find_module(base, [path])
except ImportError:
continue
else:
if f: f.close()
if filename not in blockers:
blockers.append(filename)
elif ext in exts and base!='site': # XXX ugh
blockers.append(os.path.join(path,filename))
if blockers:
self.found_conflicts(dist, blockers)
return dist
def found_conflicts(self, dist, blockers):
if self.delete_conflicting:
log.warn("Attempting to delete conflicting packages:")
return self.delete_blockers(blockers)
msg = """\
-------------------------------------------------------------------------
CONFLICT WARNING:
The following modules or packages have the same names as modules or
packages being installed, and will be *before* the installed packages in
Python's search path. You MUST remove all of the relevant files and
directories before you will be able to use the package(s) you are
installing:
%s
""" % '\n '.join(blockers)
if self.ignore_conflicts_at_my_risk:
msg += """\
(Note: you can run EasyInstall on '%s' with the
--delete-conflicting option to attempt deletion of the above files
and/or directories.)
""" % dist.project_name
else:
msg += """\
Note: you can attempt this installation again with EasyInstall, and use
either the --delete-conflicting (-D) option or the
--ignore-conflicts-at-my-risk option, to either delete the above files
and directories, or to ignore the conflicts, respectively. Note that if
you ignore the conflicts, the installed package(s) may not work.
"""
msg += """\
-------------------------------------------------------------------------
"""
sys.stderr.write(msg)
sys.stderr.flush()
if not self.ignore_conflicts_at_my_risk:
raise DistutilsError("Installation aborted due to conflicts")
def installation_report(self, req, dist, what="Installed"):
"""Helpful installation message for display to package users"""
msg = "\n%(what)s %(eggloc)s%(extras)s"
if self.multi_version and not self.no_report:
msg += """
Because this distribution was installed --multi-version, before you can
import modules from this package in an application, you will need to
'import pkg_resources' and then use a 'require()' call similar to one of
these examples, in order to select the desired version:
pkg_resources.require("%(name)s") # latest installed version
pkg_resources.require("%(name)s==%(version)s") # this exact version
pkg_resources.require("%(name)s>=%(version)s") # this version or higher
"""
if self.install_dir not in map(normalize_path,sys.path):
msg += """
Note also that the installation directory must be on sys.path at runtime for
this to work. (e.g. by being the application's script directory, by being on
PYTHONPATH, or by being added to sys.path by your code.)
"""
eggloc = dist.location
name = dist.project_name
version = dist.version
extras = '' # TODO: self.report_extras(req, dist)
return msg % locals()
def report_editable(self, spec, setup_script):
dirname = os.path.dirname(setup_script)
python = sys.executable
return """\nExtracted editable version of %(spec)s to %(dirname)s
If it uses setuptools in its setup script, you can activate it in
"development" mode by going to that directory and running::
%(python)s setup.py develop
See the setuptools documentation for the "develop" command for more info.
""" % locals()
def run_setup(self, setup_script, setup_base, args):
sys.modules.setdefault('distutils.command.bdist_egg', bdist_egg)
sys.modules.setdefault('distutils.command.egg_info', egg_info)
args = list(args)
if self.verbose>2:
v = 'v' * (self.verbose - 1)
args.insert(0,'-'+v)
elif self.verbose<2:
args.insert(0,'-q')
if self.dry_run:
args.insert(0,'-n')
log.info(
"Running %s %s", setup_script[len(setup_base)+1:], ' '.join(args)
)
try:
run_setup(setup_script, args)
except SystemExit, v:
raise DistutilsError("Setup script exited with %s" % (v.args[0],))
def build_and_install(self, setup_script, setup_base):
args = ['bdist_egg', '--dist-dir']
dist_dir = tempfile.mkdtemp(
prefix='egg-dist-tmp-', dir=os.path.dirname(setup_script)
)
try:
args.append(dist_dir)
self.run_setup(setup_script, setup_base, args)
all_eggs = Environment([dist_dir])
eggs = []
for key in all_eggs:
for dist in all_eggs[key]:
eggs.append(self.install_egg(dist.location, setup_base))
if not eggs and not self.dry_run:
log.warn("No eggs found in %s (setup script problem?)",
dist_dir)
return eggs
finally:
rmtree(dist_dir)
log.set_verbosity(self.verbose) # restore our log verbosity
def update_pth(self,dist):
if self.pth_file is None:
return
for d in self.pth_file[dist.key]: # drop old entries
if self.multi_version or d.location != dist.location:
log.info("Removing %s from easy-install.pth file", d)
self.pth_file.remove(d)
if d.location in self.shadow_path:
self.shadow_path.remove(d.location)
if not self.multi_version:
if dist.location in self.pth_file.paths:
log.info(
"%s is already the active version in easy-install.pth",
dist
)
else:
log.info("Adding %s to easy-install.pth file", dist)
self.pth_file.add(dist) # add new entry
if dist.location not in self.shadow_path:
self.shadow_path.append(dist.location)
if not self.dry_run:
self.pth_file.save()
if dist.key=='distribute':
# Ensure that setuptools itself never becomes unavailable!
# XXX should this check for latest version?
filename = os.path.join(self.install_dir,'setuptools.pth')
if os.path.islink(filename): os.unlink(filename)
f = open(filename, 'wt')
f.write(self.pth_file.make_relative(dist.location)+'\n')
f.close()
def unpack_progress(self, src, dst):
# Progress filter for unpacking
log.debug("Unpacking %s to %s", src, dst)
return dst # only unpack-and-compile skips files for dry run
def unpack_and_compile(self, egg_path, destination):
to_compile = []; to_chmod = []
def pf(src,dst):
if dst.endswith('.py') and not src.startswith('EGG-INFO/'):
to_compile.append(dst)
to_chmod.append(dst)
elif dst.endswith('.dll') or dst.endswith('.so'):
to_chmod.append(dst)
self.unpack_progress(src,dst)
return not self.dry_run and dst or None
unpack_archive(egg_path, destination, pf)
self.byte_compile(to_compile)
if not self.dry_run:
for f in to_chmod:
mode = ((os.stat(f)[stat.ST_MODE]) | 0555) & 07755
chmod(f, mode)
def byte_compile(self, to_compile):
if _dont_write_bytecode:
self.warn('byte-compiling is disabled, skipping.')
return
from distutils.util import byte_compile
try:
# try to make the byte compile messages quieter
log.set_verbosity(self.verbose - 1)
byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
if self.optimize:
byte_compile(
to_compile, optimize=self.optimize, force=1,
dry_run=self.dry_run
)
finally:
log.set_verbosity(self.verbose) # restore original verbosity
def no_default_version_msg(self):
return """bad install directory or PYTHONPATH
You are attempting to install a package to a directory that is not
on PYTHONPATH and which Python does not read ".pth" files from. The
installation directory you specified (via --install-dir, --prefix, or
the distutils default setting) was:
%s
and your PYTHONPATH environment variable currently contains:
%r
Here are some of your options for correcting the problem:
* You can choose a different installation directory, i.e., one that is
on PYTHONPATH or supports .pth files
* You can add the installation directory to the PYTHONPATH environment
variable. (It must then also be on PYTHONPATH whenever you run
Python and want to use the package(s) you are installing.)
* You can set up the installation directory to support ".pth" files by
using one of the approaches described here:
http://packages.python.org/distribute/easy_install.html#custom-installation-locations
Please make the appropriate changes for your system and try again.""" % (
self.install_dir, os.environ.get('PYTHONPATH','')
)
def install_site_py(self):
"""Make sure there's a site.py in the target dir, if needed"""
if self.sitepy_installed:
return # already did it, or don't need to
sitepy = os.path.join(self.install_dir, "site.py")
source = resource_string(Requirement.parse("distribute"), "site.py")
current = ""
if os.path.exists(sitepy):
log.debug("Checking existing site.py in %s", self.install_dir)
f = open(sitepy,'rb')
current = f.read()
# we want str, not bytes
if sys.version_info >= (3,):
current = current.decode()
f.close()
if not current.startswith('def __boot():'):
raise DistutilsError(
"%s is not a setuptools-generated site.py; please"
" remove it." % sitepy
)
if current != source:
log.info("Creating %s", sitepy)
if not self.dry_run:
ensure_directory(sitepy)
f = open(sitepy,'wb')
f.write(source)
f.close()
self.byte_compile([sitepy])
self.sitepy_installed = True
def create_home_path(self):
"""Create directories under ~."""
if not self.user:
return
home = convert_path(os.path.expanduser("~"))
for name, path in self.config_vars.iteritems():
if path.startswith(home) and not os.path.isdir(path):
self.debug_print("os.makedirs('%s', 0700)" % path)
os.makedirs(path, 0700)
if sys.version[:3] in ('2.3', '2.4', '2.5') or 'real_prefix' in sys.__dict__:
sitedir_name = 'site-packages'
else:
sitedir_name = 'dist-packages'
INSTALL_SCHEMES = dict(
posix = dict(
install_dir = '$base/lib/python$py_version_short/site-packages',
script_dir = '$base/bin',
),
unix_local = dict(
install_dir = '$base/local/lib/python$py_version_short/%s' % sitedir_name,
script_dir = '$base/local/bin',
),
posix_local = dict(
install_dir = '$base/local/lib/python$py_version_short/%s' % sitedir_name,
script_dir = '$base/local/bin',
),
deb_system = dict(
install_dir = '$base/lib/python3/%s' % sitedir_name,
script_dir = '$base/bin',
),
)
DEFAULT_SCHEME = dict(
install_dir = '$base/Lib/site-packages',
script_dir = '$base/Scripts',
)
def _expand(self, *attrs):
config_vars = self.get_finalized_command('install').config_vars
if self.prefix or self.install_layout:
if self.install_layout and self.install_layout.lower() in ['deb']:
scheme_name = "deb_system"
self.prefix = '/usr'
elif self.prefix or 'real_prefix' in sys.__dict__:
scheme_name = os.name
else:
scheme_name = "posix_local"
# Set default install_dir/scripts from --prefix
config_vars = config_vars.copy()
config_vars['base'] = self.prefix
scheme = self.INSTALL_SCHEMES.get(scheme_name,self.DEFAULT_SCHEME)
for attr,val in scheme.items():
if getattr(self,attr,None) is None:
setattr(self,attr,val)
from distutils.util import subst_vars
for attr in attrs:
val = getattr(self, attr)
if val is not None:
val = subst_vars(val, config_vars)
if os.name == 'posix':
val = os.path.expanduser(val)
setattr(self, attr, val)
def get_site_dirs():
# return a list of 'site' dirs
sitedirs = filter(None,os.environ.get('PYTHONPATH','').split(os.pathsep))
prefixes = [sys.prefix]
if sys.exec_prefix != sys.prefix:
prefixes.append(sys.exec_prefix)
for prefix in prefixes:
if prefix:
if sys.platform in ('os2emx', 'riscos'):
sitedirs.append(os.path.join(prefix, "Lib", "site-packages"))
elif os.sep == '/':
sitedirs.extend([os.path.join(prefix,
"lib",
"python" + sys.version[:3],
"site-packages"),
os.path.join(prefix, "lib", "site-python")])
else:
if sys.version[:3] in ('2.3', '2.4', '2.5'):
sdir = "site-packages"
else:
sdir = "dist-packages"
sitedirs.extend(
[os.path.join(prefix, "local/lib", "python" + sys.version[:3], sdir),
os.path.join(prefix, "lib", "python" + sys.version[:3], sdir)]
)
if sys.platform == 'darwin':
# for framework builds *only* we add the standard Apple
# locations. Currently only per-user, but /Library and
# /Network/Library could be added too
if 'Python.framework' in prefix:
home = os.environ.get('HOME')
if home:
sitedirs.append(
os.path.join(home,
'Library',
'Python',
sys.version[:3],
'site-packages'))
for plat_specific in (0,1):
site_lib = get_python_lib(plat_specific)
if site_lib not in sitedirs: sitedirs.append(site_lib)
if HAS_USER_SITE:
sitedirs.append(site.USER_SITE)
sitedirs = map(normalize_path, sitedirs)
return sitedirs
def expand_paths(inputs):
"""Yield sys.path directories that might contain "old-style" packages"""
seen = {}
for dirname in inputs:
dirname = normalize_path(dirname)
if dirname in seen:
continue
seen[dirname] = 1
if not os.path.isdir(dirname):
continue
files = os.listdir(dirname)
yield dirname, files
for name in files:
if not name.endswith('.pth'):
# We only care about the .pth files
continue
if name in ('easy-install.pth','setuptools.pth'):
# Ignore .pth files that we control
continue
# Read the .pth file
f = open(os.path.join(dirname,name))
lines = list(yield_lines(f))
f.close()
# Yield existing non-dupe, non-import directory lines from it
for line in lines:
if not line.startswith("import"):
line = normalize_path(line.rstrip())
if line not in seen:
seen[line] = 1
if not os.path.isdir(line):
continue
yield line, os.listdir(line)
def extract_wininst_cfg(dist_filename):
"""Extract configuration data from a bdist_wininst .exe
Returns a ConfigParser.RawConfigParser, or None
"""
f = open(dist_filename,'rb')
try:
endrec = zipfile._EndRecData(f)
if endrec is None:
return None
prepended = (endrec[9] - endrec[5]) - endrec[6]
if prepended < 12: # no wininst data here
return None
f.seek(prepended-12)
import struct, StringIO, ConfigParser
tag, cfglen, bmlen = struct.unpack("<iii",f.read(12))
if tag not in (0x1234567A, 0x1234567B):
return None # not a valid tag
f.seek(prepended-(12+cfglen))
cfg = ConfigParser.RawConfigParser({'version':'','target_version':''})
try:
part = f.read(cfglen)
# part is in bytes, but we need to read up to the first null
# byte.
if sys.version_info >= (2,6):
null_byte = bytes([0])
else:
null_byte = chr(0)
config = part.split(null_byte, 1)[0]
# Now the config is in bytes, but on Python 3, it must be
# unicode for the RawConfigParser, so decode it. Is this the
# right encoding?
config = config.decode('ascii')
cfg.readfp(StringIO.StringIO(config))
except ConfigParser.Error:
return None
if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
return None
return cfg
finally:
f.close()
def get_exe_prefixes(exe_filename):
"""Get exe->egg path translations for a given .exe file"""
prefixes = [
('PURELIB/', ''), ('PLATLIB/pywin32_system32', ''),
('PLATLIB/', ''),
('SCRIPTS/', 'EGG-INFO/scripts/'),
('DATA/LIB/site-packages', ''),
]
z = zipfile.ZipFile(exe_filename)
try:
for info in z.infolist():
name = info.filename
parts = name.split('/')
if len(parts)==3 and parts[2]=='PKG-INFO':
if parts[1].endswith('.egg-info'):
prefixes.insert(0,('/'.join(parts[:2]), 'EGG-INFO/'))
break
if len(parts)<>2 or not name.endswith('.pth'):
continue
if name.endswith('-nspkg.pth'):
continue
if parts[0].upper() in ('PURELIB','PLATLIB'):
for pth in yield_lines(z.read(name)):
pth = pth.strip().replace('\\','/')
if not pth.startswith('import'):
prefixes.append((('%s/%s/' % (parts[0],pth)), ''))
finally:
z.close()
prefixes = [(x.lower(),y) for x, y in prefixes]
prefixes.sort(); prefixes.reverse()
return prefixes
def parse_requirement_arg(spec):
try:
return Requirement.parse(spec)
except ValueError:
raise DistutilsError(
"Not a URL, existing file, or requirement spec: %r" % (spec,)
)
class PthDistributions(Environment):
"""A .pth file with Distribution paths in it"""
dirty = False
def __init__(self, filename, sitedirs=()):
self.filename = filename; self.sitedirs=map(normalize_path, sitedirs)
self.basedir = normalize_path(os.path.dirname(self.filename))
self._load(); Environment.__init__(self, [], None, None)
for path in yield_lines(self.paths):
map(self.add, find_distributions(path, True))
def _load(self):
self.paths = []
saw_import = False
seen = dict.fromkeys(self.sitedirs)
if os.path.isfile(self.filename):
f = open(self.filename,'rt')
for line in f:
if line.startswith('import'):
saw_import = True
continue
path = line.rstrip()
self.paths.append(path)
if not path.strip() or path.strip().startswith('#'):
continue
# skip non-existent paths, in case somebody deleted a package
# manually, and duplicate paths as well
path = self.paths[-1] = normalize_path(
os.path.join(self.basedir,path)
)
if not os.path.exists(path) or path in seen:
self.paths.pop() # skip it
self.dirty = True # we cleaned up, so we're dirty now :)
continue
seen[path] = 1
f.close()
if self.paths and not saw_import:
self.dirty = True # ensure anything we touch has import wrappers
while self.paths and not self.paths[-1].strip():
self.paths.pop()
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
data = '\n'.join(map(self.make_relative,self.paths))
if data:
log.debug("Saving %s", self.filename)
data = (
"import sys; sys.__plen = len(sys.path)\n"
"%s\n"
"import sys; new=sys.path[sys.__plen:];"
" del sys.path[sys.__plen:];"
" p=getattr(sys,'__egginsert',0); sys.path[p:p]=new;"
" sys.__egginsert = p+len(new)\n"
) % data
if os.path.islink(self.filename):
os.unlink(self.filename)
f = open(self.filename,'wt')
f.write(data); f.close()
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def add(self,dist):
"""Add `dist` to the distribution map"""
if (dist.location not in self.paths and (
dist.location not in self.sitedirs or
dist.location == os.getcwd() #account for '.' being in PYTHONPATH
)):
self.paths.append(dist.location)
self.dirty = True
Environment.add(self,dist)
def remove(self,dist):
"""Remove `dist` from the distribution map"""
while dist.location in self.paths:
self.paths.remove(dist.location); self.dirty = True
Environment.remove(self,dist)
def make_relative(self,path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep=='/' and '/' or os.sep
while len(npath)>=baselen:
if npath==self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def get_script_header(script_text, executable=sys_executable, wininst=False):
"""Create a #! line, getting options (if any) from script_text"""
from distutils.command.build_scripts import first_line_re
# first_line_re in Python >=3.1.4 and >=3.2.1 is a bytes pattern.
if not isinstance(first_line_re.pattern, str):
first_line_re = re.compile(first_line_re.pattern.decode())
first = (script_text+'\n').splitlines()[0]
match = first_line_re.match(first)
options = ''
if match:
options = match.group(1) or ''
if options: options = ' '+options
if wininst:
executable = "python.exe"
else:
executable = nt_quote_arg(executable)
hdr = "#!%(executable)s%(options)s\n" % locals()
if not isascii(hdr):
# Non-ascii path to sys.executable, use -x to prevent warnings
if options:
if options.strip().startswith('-'):
options = ' -x'+options.strip()[1:]
# else: punt, we can't do it, let the warning happen anyway
else:
options = ' -x'
executable = fix_jython_executable(executable, options)
hdr = "#!%(executable)s%(options)s\n" % locals()
return hdr
def auto_chmod(func, arg, exc):
if func is os.remove and os.name=='nt':
chmod(arg, stat.S_IWRITE)
return func(arg)
exc = sys.exc_info()
raise exc[0], (exc[1][0], exc[1][1] + (" %s %s" % (func,arg)))
def uncache_zipdir(path):
"""Ensure that the importer caches dont have stale info for `path`"""
from zipimport import _zip_directory_cache as zdc
_uncache(path, zdc)
_uncache(path, sys.path_importer_cache)
def _uncache(path, cache):
if path in cache:
del cache[path]
else:
path = normalize_path(path)
for p in cache:
if normalize_path(p)==path:
del cache[p]
return
def is_python(text, filename='<string>'):
"Is this string a valid Python script?"
try:
compile(text, filename, 'exec')
except (SyntaxError, TypeError):
return False
else:
return True
def is_sh(executable):
"""Determine if the specified executable is a .sh (contains a #! line)"""
try:
fp = open(executable)
magic = fp.read(2)
fp.close()
except (OSError,IOError): return executable
return magic == '#!'
def nt_quote_arg(arg):
"""Quote a command line argument according to Windows parsing rules"""
result = []
needquote = False
nb = 0
needquote = (" " in arg) or ("\t" in arg)
if needquote:
result.append('"')
for c in arg:
if c == '\\':
nb += 1
elif c == '"':
# double preceding backslashes, then add a \"
result.append('\\' * (nb*2) + '\\"')
nb = 0
else:
if nb:
result.append('\\' * nb)
nb = 0
result.append(c)
if nb:
result.append('\\' * nb)
if needquote:
result.append('\\' * nb) # double the trailing backslashes
result.append('"')
return ''.join(result)
def is_python_script(script_text, filename):
"""Is this text, as a whole, a Python script? (as opposed to shell/bat/etc.
"""
if filename.endswith('.py') or filename.endswith('.pyw'):
return True # extension says it's Python
if is_python(script_text, filename):
return True # it's syntactically valid Python
if script_text.startswith('#!'):
# It begins with a '#!' line, so check if 'python' is in it somewhere
return 'python' in script_text.splitlines()[0].lower()
return False # Not any Python I can recognize
try:
from os import chmod as _chmod
except ImportError:
# Jython compatibility
def _chmod(*args): pass
def chmod(path, mode):
log.debug("changing mode of %s to %o", path, mode)
try:
_chmod(path, mode)
except os.error, e:
log.debug("chmod failed: %s", e)
def fix_jython_executable(executable, options):
if sys.platform.startswith('java') and is_sh(executable):
# Workaround Jython's sys.executable being a .sh (an invalid
# shebang line interpreter)
if options:
# Can't apply the workaround, leave it broken
log.warn("WARNING: Unable to adapt shebang line for Jython,"
" the following script is NOT executable\n"
" see http://bugs.jython.org/issue1112 for"
" more information.")
else:
return '/usr/bin/env %s' % executable
return executable
def get_script_args(dist, executable=sys_executable, wininst=False):
"""Yield write_script() argument tuples for a distribution's entrypoints"""
spec = str(dist.as_requirement())
header = get_script_header("", executable, wininst)
for group in 'console_scripts', 'gui_scripts':
for name, ep in dist.get_entry_map(group).items():
script_text = (
"# EASY-INSTALL-ENTRY-SCRIPT: %(spec)r,%(group)r,%(name)r\n"
"__requires__ = %(spec)r\n"
"import sys\n"
"from pkg_resources import load_entry_point\n"
"\n"
"if __name__ == '__main__':"
"\n"
" sys.exit(\n"
" load_entry_point(%(spec)r, %(group)r, %(name)r)()\n"
" )\n"
) % locals()
if sys.platform=='win32' or wininst:
# On Windows/wininst, add a .py extension and an .exe launcher
if group=='gui_scripts':
ext, launcher = '-script.pyw', 'gui.exe'
old = ['.pyw']
new_header = re.sub('(?i)python.exe','pythonw.exe',header)
else:
ext, launcher = '-script.py', 'cli.exe'
old = ['.py','.pyc','.pyo']
new_header = re.sub('(?i)pythonw.exe','python.exe',header)
if is_64bit():
launcher = launcher.replace(".", "-64.")
else:
launcher = launcher.replace(".", "-32.")
if os.path.exists(new_header[2:-1]) or sys.platform!='win32':
hdr = new_header
else:
hdr = header
yield (name+ext, hdr+script_text, 't', [name+x for x in old])
yield (
name+'.exe', resource_string('setuptools', launcher),
'b' # write in binary mode
)
else:
# On other platforms, we assume the right thing to do is to
# just write the stub with no extension.
yield (name, header+script_text)
def rmtree(path, ignore_errors=False, onerror=auto_chmod):
"""Recursively delete a directory tree.
This code is taken from the Python 2.4 version of 'shutil', because
the 2.3 version doesn't really work right.
"""
if ignore_errors:
def onerror(*args):
pass
elif onerror is None:
def onerror(*args):
raise
names = []
try:
names = os.listdir(path)
except os.error, err:
onerror(os.listdir, path, sys.exc_info())
for name in names:
fullname = os.path.join(path, name)
try:
mode = os.lstat(fullname).st_mode
except os.error:
mode = 0
if stat.S_ISDIR(mode):
rmtree(fullname, ignore_errors, onerror)
else:
try:
os.remove(fullname)
except os.error, err:
onerror(os.remove, fullname, sys.exc_info())
try:
os.rmdir(path)
except os.error:
onerror(os.rmdir, path, sys.exc_info())
def bootstrap():
# This function is called when setuptools*.egg is run using /bin/sh
import setuptools; argv0 = os.path.dirname(setuptools.__path__[0])
sys.argv[0] = argv0; sys.argv.append(argv0); main()
def main(argv=None, **kw):
from setuptools import setup
from setuptools.dist import Distribution
import distutils.core
USAGE = """\
usage: %(script)s [options] requirement_or_url ...
or: %(script)s --help
"""
def gen_usage (script_name):
script = os.path.basename(script_name)
return USAGE % vars()
def with_ei_usage(f):
old_gen_usage = distutils.core.gen_usage
try:
distutils.core.gen_usage = gen_usage
return f()
finally:
distutils.core.gen_usage = old_gen_usage
class DistributionWithoutHelpCommands(Distribution):
common_usage = ""
def _show_help(self,*args,**kw):
with_ei_usage(lambda: Distribution._show_help(self,*args,**kw))
def find_config_files(self):
files = Distribution.find_config_files(self)
if 'setup.cfg' in files:
files.remove('setup.cfg')
return files
if argv is None:
argv = sys.argv[1:]
with_ei_usage(lambda:
setup(
script_args = ['-q','easy_install', '-v']+argv,
script_name = sys.argv[0] or 'easy_install',
distclass=DistributionWithoutHelpCommands, **kw
)
)
|