[issue23170] test_uuid test_ifconfig_getnode fails with Temporary failure in name resolution

[R. David Murray]

R. David Murray added the comment:

Ah, I see what happened.  Serhiy split _ifconfig_getnode, so when I did an hg 
annotate it looked like _ifconfig_getnode was untouched, but in fact it had 
been split to create the _arp_getnode function.

So, this report is out of date, this has already been fixed in 3.4.

--
resolution:  -> out of date
stage:  -> resolved
status: open -> closed

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[issue23170] test_uuid test_ifconfig_getnode fails with Temporary failure in name resolution

[Dimitri John Ledkov]

Dimitri John Ledkov added the comment:

I guess this is related to http://bugs.python.org/issue17293 however I get a 
test-suite fail / exception there with 3.4.2 on Linux.

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[issue23170] test_uuid test_ifconfig_getnode fails with Temporary failure in name resolution

[Dimitri John Ledkov]

Dimitri John Ledkov added the comment:

The source code matches 3.4.2 tarball exactly.

There is no arp_getnode test that I can see.

316@unittest.skipUnless(os.name == 'posix', 'requires Posix')
317def test_ifconfig_getnode(self):
318node = uuid._ifconfig_getnode()
319if node is not None:
320self.check_node(node, 'ifconfig')


346def _ifconfig_getnode():
347"""Get the hardware address on Unix by running ifconfig."""
348
349# This works on Linux ('' or '-a'), Tru64 ('-av'), but not all Unixes.   

 
350for args in ('', '-a', '-av'):
351mac = _find_mac('ifconfig', args, ['hwaddr', 'ether'], lambda i: i+1)
352if mac:
353return mac
354
355import socket
356ip_addr = socket.gethostbyname(socket.gethostname())
357
358# Try getting the MAC addr from arp based on our IP address (Solaris).   

 
359mac = _find_mac('arp', '-an', [ip_addr], lambda i: -1)
360if mac:
361return mac
362
363# This might work on HP-UX.  

 
364mac = _find_mac('lanscan', '-ai', ['lan0'], lambda i: 0)
365if mac:
366return mac
367
368return None


And I do not see any try/except protections around it.

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[issue23170] test_uuid test_ifconfig_getnode fails with Temporary failure in name resolution

[R. David Murray]

R. David Murray added the comment:

That traceback doesn't match the uuid.py source, nor has _ifconfig_getnode been 
modified for quite some time.  A line like your traceback says is in 
_ifconfig_getnode actually appears in _arp_getnode.  The arp_getnode test would 
presumably have the same problem, since it is also not protected by either; 
however, that call to socket in uuid.py, which is the only such call in the 
file, is protected by a try/except for OSError, so no error should be bubbling 
up from it.

Can you investigate further, please?

--
nosy: +r.david.murray

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[issue23170] test_uuid test_ifconfig_getnode fails with Temporary failure in name resolution

[Dimitri John Ledkov]

New submission from Dimitri John Ledkov:

Building 3.4.2, running testsuite on linux,
test_uuid test_ifconfig_getnode fails as following:

[365/388] test_uuid
Warning -- sys.path was modified by test_site
test test_uuid failed -- Traceback (most recent call last):
  File "/builddir/build/BUILD/Python-3.4.2/Lib/test/test_uuid.py", line 318, in 
test_ifconfig_getnode
node = uuid._ifconfig_getnode()
  File "/builddir/build/BUILD/Python-3.4.2/Lib/uuid.py", line 356, in 
_ifconfig_getnode
ip_addr = socket.gethostbyname(socket.gethostname())
socket.gaierror: [Errno -3] Temporary failure in name resolution

Note that "Use of the 'network' resource not enabled"

--
components: Installation
messages: 233467
nosy: xnox
priority: normal
severity: normal
status: open
title: test_uuid test_ifconfig_getnode fails with Temporary failure in name 
resolution
type: compile error
versions: Python 3.4

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