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author | Steve Dower <steve.dower@python.org> | 2020-07-22 11:26:37 (GMT) |
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committer | GitHub <noreply@github.com> | 2020-07-22 11:26:37 (GMT) |
commit | a18f22ab11a7bfb5ff3e74c737ca9e1bebe4abf9 (patch) | |
tree | 628a9496e662fd8cb76762f347fe8bf2d4686846 /Lib/uuid.py | |
parent | f599f9ea3cdcf280cdf3a72272148895d8fcb3a4 (diff) | |
download | cpython-a18f22ab11a7bfb5ff3e74c737ca9e1bebe4abf9.zip cpython-a18f22ab11a7bfb5ff3e74c737ca9e1bebe4abf9.tar.gz cpython-a18f22ab11a7bfb5ff3e74c737ca9e1bebe4abf9.tar.bz2 |
bpo-41364: Reduce import overhead of uuid module (GH-21586)
Diffstat (limited to 'Lib/uuid.py')
-rw-r--r-- | Lib/uuid.py | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/Lib/uuid.py b/Lib/uuid.py index 188e16b..9540c21 100644 --- a/Lib/uuid.py +++ b/Lib/uuid.py @@ -45,7 +45,6 @@ Typical usage: """ import os -import platform import sys from enum import Enum @@ -54,10 +53,13 @@ from enum import Enum __author__ = 'Ka-Ping Yee <ping@zesty.ca>' # The recognized platforms - known behaviors -_AIX = platform.system() == 'AIX' -_DARWIN = platform.system() == 'Darwin' -_LINUX = platform.system() == 'Linux' -_WINDOWS = platform.system() == 'Windows' +if sys.platform in ('win32', 'darwin'): + _AIX = _LINUX = False +else: + import platform + _platform_system = platform.system() + _AIX = _platform_system == 'AIX' + _LINUX = _platform_system == 'Linux' RESERVED_NCS, RFC_4122, RESERVED_MICROSOFT, RESERVED_FUTURE = [ 'reserved for NCS compatibility', 'specified in RFC 4122', @@ -688,9 +690,9 @@ def _random_getnode(): # @unittest.skipUnless(_uuid._ifconfig_getnode in _uuid._GETTERS, ...) if _LINUX: _OS_GETTERS = [_ip_getnode, _ifconfig_getnode] -elif _DARWIN: +elif sys.platform == 'darwin': _OS_GETTERS = [_ifconfig_getnode, _arp_getnode, _netstat_getnode] -elif _WINDOWS: +elif sys.platform == 'win32': _OS_GETTERS = [_netbios_getnode, _ipconfig_getnode] elif _AIX: _OS_GETTERS = [_netstat_getnode] |