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Sat Apr 7 19:28:56 EDT 2018 · https://mail.python.org/pipermail/python-dev/2018-April/152667.html

Do you have ca-certificates installed?

On April 7, 2018 5:33:35 PM Skip Montanaro <skip.montanaro at gmail.com> wrote:

> It's been a long while since I rebuilt Python from the Git source. I
> tried for the first time the other day. Everything passed except
> test_poplib and test_asyncio. The former just runs and runs and runs.
> Here's the first traceback I encounter when executing ./python
> Lib/test/test_poplib.py:
>
> test_stls_context (__main__.TestPOP3Class) ... Exception in thread Thread-16:
> Traceback (most recent call last):
>  File "/home/skip/src/python/cpython/Lib/threading.py", line 917, in
> _bootstrap_inner
>    self.run()
>  File "Lib/test/test_poplib.py", line 227, in run
>    asyncore.loop(timeout=0.1, count=1)
>  File "/home/skip/src/python/cpython/Lib/asyncore.py", line 207, in loop
>    poll_fun(timeout, map)
>  File "/home/skip/src/python/cpython/Lib/asyncore.py", line 150, in poll
>    read(obj)
>  File "/home/skip/src/python/cpython/Lib/asyncore.py", line 87, in read
>    obj.handle_error()
>  File "/home/skip/src/python/cpython/Lib/asyncore.py", line 83, in read
>    obj.handle_read_event()
>  File "/home/skip/src/python/cpython/Lib/asyncore.py", line 422, in
> handle_read_event
>    self.handle_read()
>  File "Lib/test/test_poplib.py", line 194, in handle_read
>    self._do_tls_handshake()
>  File "Lib/test/test_poplib.py", line 174, in _do_tls_handshake
>    self.socket.do_handshake()
>  File "/home/skip/src/python/cpython/Lib/ssl.py", line 1108, in do_handshake
>    self._sslobj.do_handshake()
> ssl.SSLError: [SSL: SSLV3_ALERT_CERTIFICATE_UNKNOWN] sslv3 alert
> certificate unknown (_ssl.c:1049)
>
> I thought perhaps I was missing something, but _ssl built just fine. I
> believe I have a recent enough version of libssl (1.0.2g), and I'm on
> a pretty vanilla system (up-to-date Ubuntu 17.10). SSL-wise:
>
> % apt search ssl | grep installed | egrep '^lib' | egrep ssl
>
> libgnutls-openssl27/artful,now 3.5.8-6ubuntu3 amd64 [installed]
> libio-socket-ssl-perl/artful,artful,now 2.050-1 all [installed]
> libnet-smtp-ssl-perl/artful,artful,now 1.04-1 all [installed]
> libnet-ssleay-perl/artful,now 1.80-1build1 amd64 [installed]
> libssl-dev/artful-updates,artful-security,now 1.0.2g-1ubuntu13.4 amd64
> [installed]
> libssl-doc/artful-updates,artful-updates,artful-security,artful-security,now
> 1.0.2g-1ubuntu13.4 all [installed,automatic]
> libssl1.0.0/artful-updates,artful-security,now 1.0.2g-1ubuntu13.4
> amd64 [installed]
>
> Any clues about what I might be missing from my setup would be appreciated.
>
> Not sure what was wrong with test_asyncio. I ran it in isolation and it passed.
>
> Thx,
>
> Skip
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[Python-Dev] Trying to build from source, test-poplib fails