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gh-111881: Use lazy import in test.support (#111885)

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* Import lazily getpass in test.support
* Only import ctypes on Windows in test.support.os_helper.
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Victor Stinner 2023-11-09 15:38:13 +01:00 • committed by GitHub
parent cc18b886a5
commit 0372e3b02a
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2 changed files with 12 additions and 7 deletions
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2
Lib/test/support/__init__.py
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@ -6,7 +6,6 @@ if __name__ != 'test.support':
import contextlib import contextlib
import dataclasses import dataclasses
import functools import functools
import getpass
import _opcode import _opcode
import os import os
import re import re
@ -383,6 +382,7 @@ def requires_mac_ver(*min_version):
def skip_if_buildbot(reason=None): def skip_if_buildbot(reason=None):
"""Decorator raising SkipTest if running on a buildbot.""" """Decorator raising SkipTest if running on a buildbot."""
import getpass
if not reason: if not reason:
reason = 'not suitable for buildbots' reason = 'not suitable for buildbots'
try: try:

17
Lib/test/support/os_helper.py
View file

@ -10,6 +10,8 @@ import time
import unittest import unittest
import warnings import warnings
from test import support
# Filename used for testing # Filename used for testing
TESTFN_ASCII = '@test' TESTFN_ASCII = '@test'
@ -720,13 +722,16 @@ class EnvironmentVarGuard(collections.abc.MutableMapping):
try: try:
import ctypes if support.MS_WINDOWS:
kernel32 = ctypes.WinDLL('kernel32', use_last_error=True) import ctypes
kernel32 = ctypes.WinDLL('kernel32', use_last_error=True)
ERROR_FILE_NOT_FOUND = 2 ERROR_FILE_NOT_FOUND = 2
DDD_REMOVE_DEFINITION = 2 DDD_REMOVE_DEFINITION = 2
DDD_EXACT_MATCH_ON_REMOVE = 4 DDD_EXACT_MATCH_ON_REMOVE = 4
DDD_NO_BROADCAST_SYSTEM = 8 DDD_NO_BROADCAST_SYSTEM = 8
else:
raise AttributeError
except (ImportError, AttributeError): except (ImportError, AttributeError):
def subst_drive(path): def subst_drive(path):
raise unittest.SkipTest('ctypes or kernel32 is not available') raise unittest.SkipTest('ctypes or kernel32 is not available')