[issue9949] os.path.realpath on Windows does not follow symbolic links

[Pablo Galindo Salgado]

Pablo Galindo Salgado <pablogsal at gmail.com> added the comment:

There are multiple failures on several buildbots after commit 75e064962ee0e31ec19a8081e9d9cc957baf6415 was merged:

BUILDBOT FAILURE REPORT
=======================

Builder name: AMD64 Windows7 SP1 3.x
Builder url: https://buildbot.python.org/all/#/builders/40/
Build url: https://buildbot.python.org/all/#/builders/40/builds/2886

Failed tests
------------

- test_realpath_curdir (test.test_ntpath.TestNtpath)

- test_unicode_in_batch_file (test.test_venv.BasicTest)


Test leaking resources
----------------------



Build summary
-------------

== Tests result: FAILURE then FAILURE ==

384 tests OK.

10 slowest tests:
- test_multiprocessing_spawn: 2 min 45 sec
- test_tools: 2 min 5 sec
- test_distutils: 1 min 50 sec
- test_tokenize: 1 min 41 sec
- test_concurrent_futures: 1 min 39 sec
- test_lib2to3: 1 min 14 sec
- test_mmap: 1 min 11 sec
- test_largefile: 1 min 8 sec
- test_asyncio: 1 min 4 sec
- test_io: 1 min 3 sec

2 tests failed:
    test_ntpath test_venv

33 tests skipped:
    test_curses test_dbm_gnu test_dbm_ndbm test_devpoll test_epoll
    test_fcntl test_fork1 test_gdb test_grp test_ioctl test_kqueue
    test_multiprocessing_fork test_multiprocessing_forkserver test_nis
    test_openpty test_ossaudiodev test_pipes test_poll test_posix
    test_pty test_pwd test_readline test_resource test_spwd
    test_syslog test_threadsignals test_tix test_tk test_ttk_guionly
    test_wait3 test_wait4 test_xxtestfuzz test_zipfile64

2 re-run tests:
    test_ntpath test_venv

Total duration: 13 min 17 sec


Tracebacks
----------

```traceback
Traceback (most recent call last):
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_venv.py", line 337, in test_unicode_in_batch_file
    out, err = check_output(
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_venv.py", line 42, in check_output
    raise subprocess.CalledProcessError(
subprocess.CalledProcessError: Command '['\\\\?\\C:\\Users\\Buildbot\\AppData\\Local\\Temp\\tmpsbwlxx8h\\\u03fc\u045e\u0422\u03bb\u0424\u0419\\Scripts\\activate.bat', '&', 'python_d.exe', '-c', 'print(0)']' returned non-zero exit status 1.


Traceback (most recent call last):
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_venv.py", line 337, in test_unicode_in_batch_file
    out, err = check_output(
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_venv.py", line 42, in check_output
    raise subprocess.CalledProcessError(
subprocess.CalledProcessError: Command '['\\\\?\\C:\\Users\\Buildbot\\AppData\\Local\\Temp\\tmpxl3ubg90\\\u03fc\u045e\u0422\u03bb\u0424\u0419\\Scripts\\activate.bat', '&', 'python_d.exe', '-c', 'print(0)']' returned non-zero exit status 1.


Traceback (most recent call last):
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_ntpath.py", line 210, in test_realpath_curdir
    tester("ntpath.realpath('/'.join(['.'] * 100))", expected)
  File "C:\buildbot.python.org\3.x.kloth-win64\build\lib\test\test_ntpath.py", line 30, in tester
    raise TestFailed("%s should return: %s but returned: %s" \

```

Current builder status
----------------------

The builder is failing currently

Commits
-------

- bcc446f525421156fe693139140e7051d000592e

- 75e064962ee0e31ec19a8081e9d9cc957baf6415


Other builds with similar failures
----------------------------------

-  https://buildbot.python.org/all/#/builders/208/builds/279
-  https://buildbot.python.org/all/#/builders/12/builds/2985
-  https://buildbot.python.org/all/#/builders/12/builds/2986
-  https://buildbot.python.org/all/#/builders/219/builds/190
-  https://buildbot.python.org/all/#/builders/40/builds/2885
-  https://buildbot.python.org/all/#/builders/3/builds/3298
-  https://buildbot.python.org/all/#/builders/3/builds/3299

Steve, can you take a look?

----------
nosy: +pablogsal

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue9949>
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