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bpo-37412: pythoninfo: add Windows long paths (GH-14434) 

On Windows, test.pythoninfo now checks if support for long paths is
enabled using ntdll.RtlAreLongPathsEnabled() function.

Co-Authored-By: Eryk Sun <eryksun@gmail.com>
This commit is contained in:
Victor Stinner 2019-06-28 18:05:05 +02:00 committed by GitHub
parent ec3e20a2d1
commit 64580da331
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 24 additions and 0 deletions
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24
Lib/test/pythoninfo.py
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@ -651,6 +651,29 @@ def collect_subprocess(info_add):
copy_attributes(info_add, subprocess, 'subprocess.%s', ('_USE_POSIX_SPAWN',))
def collect_windows(info_add):
try:
import ctypes
except ImportError:
return
if not hasattr(ctypes, 'WinDLL'):
return
ntdll = ctypes.WinDLL('ntdll')
BOOLEAN = ctypes.c_ubyte
try:
RtlAreLongPathsEnabled = ntdll.RtlAreLongPathsEnabled
except AttributeError:
res = '<function not available>'
else:
RtlAreLongPathsEnabled.restype = BOOLEAN
RtlAreLongPathsEnabled.argtypes = ()
res = bool(RtlAreLongPathsEnabled())
info_add('windows.RtlAreLongPathsEnabled', res)
def collect_info(info):
error = False
info_add = info.add
@ -684,6 +707,7 @@ def collect_info(info):
collect_testcapi,
collect_time,
collect_tkinter,
collect_windows,
collect_zlib,
# Collecting from tests should be last as they have side effects.