bpo-41364: Reduce import overhead of uuid module (GH-21586)

(cherry picked from commit bf2f76ec09)

Co-authored-by: Steve Dower <steve.dower@python.org>
This commit is contained in:
Miss Islington (bot) 2020-07-21 17:09:32 -07:00 committed by GitHub
parent d6ba8c8e16
commit 00466db221
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2 changed files with 10 additions and 7 deletions

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@ -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'
_MAC_DELIM = b':'
_MAC_OMITS_LEADING_ZEROES = False
@ -618,9 +620,9 @@ 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':
# bpo-40201: _windll_getnode will always succeed, so these are not needed
_OS_GETTERS = []
elif _AIX:

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@ -0,0 +1 @@
Reduce import overhead of :mod:`uuid`.