[issue35070] test_posix fails on macOS 10.14 Mojave

[Jeffrey Kintscher]

Change by Jeffrey Kintscher :


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type:  -> behavior

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Dave Page]

Dave Page  added the comment:

The submitted patch from websurfer5 resolves the issue for me.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Jeffrey Kintscher]

Change by Jeffrey Kintscher :


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keywords: +patch
pull_requests: +12987
stage:  -> patch review

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Jeffrey Kintscher]

Jeffrey Kintscher  added the comment:

My mistake. It still failed with gcc 8.3.0.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Jeffrey Kintscher]

Jeffrey Kintscher  added the comment:

The test fails for me on Mohave when I build using clang 10.0.0, but passes 
when I build using gcc 8.3.0.:

ProductName:Mac OS X
ProductVersion: 10.14.3
BuildVersion:   18D109

gcc-8 (Homebrew GCC 8.3.0) 8.3.0
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr 
--with-gxx-include-dir=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/c++/4.2.1
Apple LLVM version 10.0.0 (clang-1000.11.45.5)
Target: x86_64-apple-darwin18.2.0
Thread model: posix
InstalledDir: 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Dave Page]

Dave Page  added the comment:

I'm seeing what appears to my uneducated eyes to be the same failure on Mojave, 
on a brand new machine which is entirely standalone:

12:16:00 0:00:07 load avg: 4.24 [133/416/1] test_posix failed
12:16:00 test test_posix failed -- Traceback (most recent call last):
12:16:00   File 
"/Users/jenkins/workspace/python-macos-build/Python-3.7.2/Lib/test/test_posix.py",
 line 1026, in test_getgrouplist
12:16:00 self.assertIn(group, posix.getgrouplist(user, group))
12:16:00 OSError: [Errno 25] Inappropriate ioctl for device
12:16:00 0:00:07 load avg: 4.24 [134/416/1] test_ast passed

System info:

pgabf-macos2:Python-3.7.2 jenkins$ gcc --version
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr 
--with-gxx-include-dir=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/c++/4.2.1
Apple LLVM version 10.0.1 (clang-1001.0.46.3)
Target: x86_64-apple-darwin18.2.0
Thread model: posix
InstalledDir: 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

pgabf-macos2:Python-3.7.2 jenkins$ system_profiler SPSoftwareDataType
Software:

System Software Overview:

  System Version: macOS 10.14.3 (18D42)
  Kernel Version: Darwin 18.2.0
  Boot Volume: Macintosh HD
  Boot Mode: Normal
  Computer Name: pgabf-macos2
  User Name: Jenkins (jenkins)
  Secure Virtual Memory: Enabled
  System Integrity Protection: Enabled
  Time since boot: 10 days 1:30

Happy to provide any additional info or try out patches if anyone wants.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

I've now updated my personal machine to Mojave and cannot reproduce the 
failure.  I'm going to chalk this one up to some weird corporate active 
directory or whatnot weirdness.  I'd still love to know why the code in Python 
works differently that the standalone C version, but I don't plan on spending 
much time on this issue unless new data comes in.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

issue33223 also reports failure of test_posix under 10.13.4 and seems to be 
related.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

Wonderful

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[issue35070] test_posix fails on macOS 10.14 Mojave

[STINNER Victor]

STINNER Victor  added the comment:

It seems like people have fun with getgroups() on macOS:

* bpo-7900
* bpo-16661
* bpo-17557
* bpo-29562

Maybe we should simply skip test_getgroups() and test_getgrouplist() on macOS 
with a comment listing all these BPO issues.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

Yep, stepping through Python with lldb, that's what's happening.  I know one of 
my coworkers has been able to reproduce it.  I'll chime in next once I upgrade 
my personal machine and can try it there, since I know it isn't on AD.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

I really have no idea what's going on.  I've looked at posixmodule.c and tried 
to reproduce as best I can in a standalone C program.

In both cases getgroups(0, NULL) returns 15.  In the standalone version, when I 
then call getgroups(15, grouplist), I again get 15 returned and grouplist is 
properly filled.  But in posixmodule.c case, I get 1 back group that second 
call.

I honestly can't see any difference or why this could be happening.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv 
-O3 -Wall -v   -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter 
-Wno-missing-field-initializers -Wstrict-prototypes 
-Werror=implicit-function-declaration   -I. -I./Include -DPy_BUILD_CORE -c 
./Modules/posixmodule.c -o Modules/posixmodule.o
Apple LLVM version 10.0.0 (clang-1000.11.45.2)
Target: x86_64-apple-darwin18.0.0
Thread model: posix
InstalledDir: 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
 
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang"
 -cc1 -triple x86_64-apple-macosx10.14.0 -Wdeprecated-objc-isa-usage 
-Werror=deprecated-objc-isa-usage -emit-obj -disable-free 
-disable-llvm-verifier -discard-value-names -main-file-name posixmodule.c 
-mrelocation-model pic -pic-level 2 -mthread-model posix -mdisable-fp-elim 
-fno-strict-return -masm-verbose -munwind-tables -target-cpu penryn 
-dwarf-column-info -debug-info-kind=standalone -dwarf-version=4 
-debugger-tuning=lldb -target-linker-version 409.12 -v -coverage-notes-file 
/Users/bwarsaw/projects/python/cpython/Modules/posixmodule.gcno -resource-dir 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/10.0.0
 -D NDEBUG -I . -I ./Include -D Py_BUILD_CORE -O3 -Wno-unused-result 
-Wsign-compare -Wunreachable-code -Wall -Wextra -Wno-unused-result 
-Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes 
-Werror=implicit-function-declar
 ation -std=c99 -fdebug-compilation-dir /Users/bwarsaw/projects/python/cpython 
-ferror-limit 19 -fmessage-length 131 -fwrapv -stack-protector 1 -fblocks 
-fencode-extended-block-signature -fobjc-runtime=macosx-10.14.0 
-fmax-type-align=16 -fdiagnostics-show-option -vectorize-loops -vectorize-slp 
-o Modules/posixmodule.o -x c ./Modules/posixmodule.c
clang -cc1 version 10.0.0 (clang-1000.11.45.2) default target 
x86_64-apple-darwin18.0.0
#include "..." search starts here:
#include <...> search starts here:
 .
 ./Include
 /usr/local/include
 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/10.0.0/include
 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
 /usr/include
 /System/Library/Frameworks (framework directory)
 /Library/Frameworks (framework directory)
End of search list.
./Modules/posixmodule.c:1254:9: warning: code will never be executed 
[-Wunreachable-code]
PyErr_SetFromErrno(PyExc_OSError);
^~
1 warning generated.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

% gcc -v gg.c
Apple LLVM version 10.0.0 (clang-1000.11.45.2)
Target: x86_64-apple-darwin18.0.0
Thread model: posix
InstalledDir: 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
 
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang"
 -cc1 -triple x86_64-apple-macosx10.14.0 -Wdeprecated-objc-isa-usage 
-Werror=deprecated-objc-isa-usage -emit-obj -mrelax-all -disable-free 
-disable-llvm-verifier -discard-value-names -main-file-name gg.c 
-mrelocation-model pic -pic-level 2 -mthread-model posix -mdisable-fp-elim 
-fno-strict-return -masm-verbose -munwind-tables -target-cpu penryn 
-dwarf-column-info -debugger-tuning=lldb -target-linker-version 409.12 -v 
-resource-dir 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/10.0.0
 -fdebug-compilation-dir /Users/bwarsaw/projects/python -ferror-limit 19 
-fmessage-length 131 -stack-protector 1 -fblocks 
-fencode-extended-block-signature -fobjc-runtime=macosx-10.14.0 
-fmax-type-align=16 -fdiagnostics-show-option -o 
/var/folders/06/yd7czfp11bx1vx4p5dl10v4w000slb/T/gg-a38469.o -x c gg.c
clang -cc1 version 10.0.0 (clang-1000.11.45.2) default target 
x86_64-apple-darwin18.0.0
#include "..." search starts here:
#include <...> search starts here:
 /usr/local/include
 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/10.0.0/include
 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
 /usr/include
 /System/Library/Frameworks (framework directory)
 /Library/Frameworks (framework directory)
End of search list.
 
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld"
 -demangle -lto_library 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/libLTO.dylib
 -no_deduplicate -dynamic -arch x86_64 -macosx_version_min 10.14.0 -o a.out 
/var/folders/06/yd7czfp11bx1vx4p5dl10v4w000slb/T/gg-a38469.o -lSystem 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/10.0.0/lib/darwin/libclang_rt.osx.a

% otool -L a.out 
a.out:
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current 
version 1252.200.5)

So I guess it's interesting that it's searching /usr/local/include, which has 
some Homebrew headers in it:

% ls /usr/local/include
ImageMagick-7@  gdcache.h@  libltdl@
pg_config_manual.h@ sqlda-native.h@
adns.h@ gdfontg.h@  libpng16@   
pg_config_os.h@ sqlda.h@
aspell.h@   gdfontl.h@  libpq@  
pgtypes.h@  tiff.h@
assuan.h@   gdfontmb.h@ libpq-events.h@ 
pgtypes_date.h@ tiffconf.h@
ecpg_config.h@  gdfonts.h@  libpq-fe.h@ 
pgtypes_error.h@tiffio.h@
ecpg_informix.h@gdfontt.h@  libssh2.h@  
pgtypes_interval.h@ tiffio.hxx@
ecpgerrno.h@gdfx.h@ libssh2_publickey.h@
pgtypes_numeric.h@  tiffvers.h@
ecpglib.h@  gdpp.h@ libssh2_sftp.h@ 
pgtypes_timestamp.h@unicase.h@
ecpgtype.h@ gmp.h@  libtasn1.h@ png.h@  
uniconv.h@
entities.h@ gmpxx.h@libusb-1.0@ 
pngconf.h@  unictype.h@
evdns.h@gnutls@ ltdl.h@ 
pnglibconf.h@   unigbrk.h@
event.h@gpg-error.h@lzma@   popt.h@ 
unilbrk.h@
event2@ gpgrt.h@lzma.h@ 
postgres_ext.h@ uniname.h@
evhttp.h@   graphviz@   mysql@  pspell@ 
uninorm.h@
evrpc.h@idn2.h@ nettle@ 
python3.6m/ unistdio.h@
evutil.h@   informix@   newt.h@ 
python3.7m/ unistr.h@
fontconfig@ internal@   npth.h@ 
python3.8m/ unistring@
freetype2@  jconfig.h@  nspr@   
readtags.h@ unitypes.h@
gcrypt.h@   jerror.h@   openjpeg-2.3@   server@ 
uniwbrk.h@
gd.h@   jmorecfg.h@ p11-kit-1@  
slang.h@uniwidth.h@
gd_color_map.h@ jpeglib.h@  pcre2.h@
slcurses.h@ webp@
gd_errors.h@ksba.h@ pcre2posix.h@   
sql3types.h@
gd_io.h@lcms2.h@pg_config.h@sqlca.h@
gdbm.h@ lcms2_plugin.h@ pg_config_ext.h@
sqlda-compat.h@

All those 

[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

Er, and perhaps the compile and link calls from when Python builds 
posixmodule.c ?

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

Yeah. Can you check the header file paths that are being used in your compiler 
invocation, e.g something like:  cc -v -c ...
And, while you are at it, the library search path of the test executable:  
otool -L ./...
And anything suspicious in /usr/local/include or /usr/local/lib ?

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

Yes, I've rebooted :)   I've modified your C program a little and here's the 
code and output.

#include 
#include 
#include 

int main()
{
gid_t grouplist[32];
int n;
int gidsetsize;

for (gidsetsize = 0; gidsetsize < 22; ++gidsetsize) {
n = getgroups(gidsetsize, grouplist);
printf("calling grouplist with gidsetsize = %i, returns %i: ", 
gidsetsize, n);
for (int j = 0; j < n; j++) {
printf("%i ", grouplist[j]);
}
printf("\n");
}
exit(0);
}

calling grouplist with gidsetsize = 0, returns 15: -483891656 32766 -483891672 
32766 -483891728 32766 427353334 1 -483891696 32766 0 0 0 0 -483891672 
calling grouplist with gidsetsize = 1, returns -1: 
calling grouplist with gidsetsize = 2, returns -1: 
calling grouplist with gidsetsize = 3, returns -1: 
calling grouplist with gidsetsize = 4, returns -1: 
calling grouplist with gidsetsize = 5, returns -1: 
calling grouplist with gidsetsize = 6, returns -1: 
calling grouplist with gidsetsize = 7, returns -1: 
calling grouplist with gidsetsize = 8, returns -1: 
calling grouplist with gidsetsize = 9, returns -1: 
calling grouplist with gidsetsize = 10, returns -1: 
calling grouplist with gidsetsize = 11, returns -1: 
calling grouplist with gidsetsize = 12, returns -1: 
calling grouplist with gidsetsize = 13, returns -1: 
calling grouplist with gidsetsize = 14, returns -1: 
calling grouplist with gidsetsize = 15, returns 15: 101 503 701 501 12 62 80 
502 33 98 100 204 250 395 398 
calling grouplist with gidsetsize = 16, returns 15: 101 503 701 501 12 62 80 
502 33 98 100 204 250 395 398 
calling grouplist with gidsetsize = 17, returns 15: 101 503 701 501 12 62 80 
502 33 98 100 204 250 395 398 
calling grouplist with gidsetsize = 18, returns 15: 101 503 701 501 12 62 80 
502 33 98 100 204 250 395 398 
calling grouplist with gidsetsize = 19, returns 15: 101 503 701 501 12 62 80 
502 33 98 100 204 250 395 398 
calling grouplist with gidsetsize = 20, returns 15: 101 503 701 501 12 62 80 
502 33 98 100 204 250 395 398 
calling grouplist with gidsetsize = 21, returns 15: 101 503 701 501 12 62 80 
502 33 98 100 204 250 395 398 

% id -G
101 503 701 501 12 62 80 502 33 98 100 204 250 395 398

I've also made a small change to test_posix.py:

diff --git a/Lib/test/test_posix.py b/Lib/test/test_posix.py
index 86c04b9f32..5074b45fc0 100644
--- a/Lib/test/test_posix.py
+++ b/Lib/test/test_posix.py
@@ -1047,8 +1047,9 @@ class PosixTester(unittest.TestCase):
 # groups, ignoring order, duplicates, and the effective gid.
 # #10822/#26944 - It is implementation defined whether
 # posix.getgroups() includes the effective gid.
-symdiff = idg_groups.symmetric_difference(posix.getgroups())
-self.assertTrue(not symdiff or symdiff == {posix.getegid()})
+groups = posix.getgroups()
+symdiff = idg_groups.symmetric_difference(groups)
+self.assertTrue(not symdiff or symdiff == {posix.getegid()}, 
(idg_groups, groups, symdiff))
 
 # tests for the posix *at functions follow
 
But when I run ./python.exe -m test test.test_posix here's what I get:

Run tests sequentially
0:00:00 load avg: 1.62 [1/1] test.test_posix
test test.test_posix failed -- Traceback (most recent call last):
  File "/Users/bwarsaw/projects/python/cpython/Lib/test/test_posix.py", line 
1052, in test_getgroups
self.assertTrue(not symdiff or symdiff == {posix.getegid()}, (idg_groups, 
groups, symdiff))
AssertionError: False is not true : ({33, 98, 100, 101, 395, 12, 204, 398, 80, 
501, 502, 503, 250, 701, 62}, [101], {33, 98, 100, 395, 12, 204, 398, 80, 501, 
502, 503, 250, 701, 62})

So it seems like getgroups(2) is doing the right thing, but not Python.  Weird.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

Also, I'm assuming you've tried rebooting your system?  :)

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

It very well could have something to do with Active Directory support.  Here's 
a little getgroups test I used a while back for a previous getgroups issue.  
You should see something similar in the output depending on the number of 
groups in your id.  If it fails, we can eliminate Python from the equation.


#include 
#include 
#include 

int main(){
gid_t grouplist[32];
int n;
int gidsetsize;

for(gidsetsize = 0; gidsetsize < 22; ++gidsetsize)
{
n = getgroups(gidsetsize, grouplist);
printf("calling grouplist with gidsetsize = %i, returns %i\n", 
gidsetsize, n);
}
exit(0);
}


calling grouplist with gidsetsize = 0, returns 14
calling grouplist with gidsetsize = 1, returns -1
calling grouplist with gidsetsize = 2, returns -1
calling grouplist with gidsetsize = 3, returns -1
calling grouplist with gidsetsize = 4, returns -1
calling grouplist with gidsetsize = 5, returns -1
calling grouplist with gidsetsize = 6, returns -1
calling grouplist with gidsetsize = 7, returns -1
calling grouplist with gidsetsize = 8, returns -1
calling grouplist with gidsetsize = 9, returns -1
calling grouplist with gidsetsize = 10, returns -1
calling grouplist with gidsetsize = 11, returns -1
calling grouplist with gidsetsize = 12, returns -1
calling grouplist with gidsetsize = 13, returns -1
calling grouplist with gidsetsize = 14, returns 14
calling grouplist with gidsetsize = 15, returns 14
calling grouplist with gidsetsize = 16, returns 14
calling grouplist with gidsetsize = 17, returns 14
calling grouplist with gidsetsize = 18, returns 14
calling grouplist with gidsetsize = 19, returns 14
calling grouplist with gidsetsize = 20, returns 14
calling grouplist with gidsetsize = 21, returns 14

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

We're wondering if it could be a weird interaction with Active Directory.  This 
is my work laptop, so it's all integrated with LDAP and whatnot.  I don't have 
Mojave on my personal laptop yet (maybe this weekend).  I'm guessing that 
whatever corporate integration is going on is messing with getgroups(2).  Brett 
said he vaguely remembers something similar, but I don't remember seeing this 
problem on High Sierra on the same laptop.  I'm beta testing Mojave internally, 
so maybe this is just a weirdism I should report to our IT.

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nosy: +brett.cannon

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ronald Oussoren]

Ronald Oussoren  added the comment:

FWIW I don't see the problem either, VM running 10.14.1 (beta) with Python 
3.7.0.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

"on a vanilla-ish 10.8 VM" ?? I meant 10.14, of course.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

I've also tried building on a vanilla-ish 10.8 VM, both without and with 
installing the /usr/include headers, and I still don't see the failure you're 
seeing.  If you look at Modules/posixmodule.c, you'll see there's a fair amount 
of Apple-specifc or -caused hackery to deal with past and current getgroups() 
anomalies.  Perhaps you could step through it on your system and see if it's 
obvious what's happening.

Also, looking back through previous issues with getgroups, in Issue29562 Ronald 
noted:

"Note that the result of getgroups(2) is fixed on login, while "id -G" reflects 
the current state of the user database on macOS. Could this explain this 
failure? That is, have you tried logging out and in again before running the 
test suite?"

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

On Oct 25, 2018, at 13:17, Ned Deily  wrote:
> 
> OK. When you asy "every version of Python 3", are those all versions you've 
> built yourself?  If so, what ./configure arguments do you use?

Yes, built myself from source (both .tar.gz and git tag).  I don’t use any 
configure arguments, just

./configure && make && make test

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

OK. When you asy "every version of Python 3", are those all versions you've 
built yourself?  If so, what ./configure arguments do you use?

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Barry A. Warsaw  added the comment:

Seems to fail for me with every version of Python 3 on Mojave.  In master, it’s 
test_getgroups().

> Ned Deily  added the comment:
> 
> $ sw_vers
> ProductName:  Mac OS X
> ProductVersion:   10.14
> BuildVersion: 18A391

Mine is exactly the same.

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

$ sw_vers
ProductName:Mac OS X
ProductVersion: 10.14
BuildVersion:   18A391

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Ned Deily]

Ned Deily  added the comment:

Hmm, I'm not seeing that behavior with either a freshly-built top of master 3.8 
or with the python.org 3.7.1.

$ ./python  -c "import os;print(os.getgroups())"
[20, 12, 61, 79, 80, 81, 98, 33, 100, 204, 250, 395, 398, 399]
$ id -G
20 12 61 79 80 81 98 33 100 204 250 395 398 399
nad@harj:~/Projects/PyDev/active/dev/3x/source$ ./python -m test -w test_posix
Run tests sequentially
0:00:00 load avg: 1.64 [1/1] test_posix

== Tests result: SUCCESS ==

1 test OK.

Total duration: 13 sec 938 ms
Tests result: SUCCESS
$ ./python
Python 3.8.0a0 (heads/master:9e95eb0d60, Oct 25 2018, 15:55:56)
[Clang 10.0.0 (clang-1000.11.45.2)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> ^D

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[issue35070] test_posix fails on macOS 10.14 Mojave

[Barry A. Warsaw]

Change by Barry A. Warsaw :


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title: test_posix -> test_posix fails on macOS 10.14 Mojave

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