[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[STINNER Victor]

STINNER Victor  added the comment:

This issuse is now 2 years old and it doesn't have a clear description. It 
started with "just compiling and installing from source on OpenSUSE 42.3", then 
switched to "I got the source directly from www.python.org" to finish with "I 
also have the same problem (...) on the latest version of CentOS 7".

I close the issue.

If someone wants to reopen the issue, please clearly explains:

* how you get Python
* did you apply any patch on it
* how did you configure Python? (configure command)
* how did you built Python?
* how did you install Python?
* how do you run Python?
* what is your operating system?
* what is your locale (LC_ALL, LC_CTYPE and LANG environment variable)?
* do you have any environment variable with a name starting with PYTHON?

So far, we only got unclear bug reports with partial information and we could 
only guess what the reporter did.

Since this issue started with OpenSuSE downstream patches, I mark also this 
issue as a duplicate of bpo-1294959.

--
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> Add sys.platlibdir to use /usr/lib64 on Fedora and SuSE

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[STINNER Victor]

STINNER Victor  added the comment:

bpo-1294959 has been fixed by commit 8510f430781118d9b603c3a2f06945d6ebc5fe42, 
but this issue is about "./configure with no parameters".

This issue seems to be about OpenSuSE downstream patches: "just compiling and 
installing from source on OpenSUSE 42.3."

I found multiple similar old issues.

bpo-15631: "Python 3.3/3.4 installation issue on OpenSUSE lib/lib64 folders", 
"error: ImportError: No module named 'atexit'". The reporter used downstream 
patch: "I applied the OpenSUSE patch".

=> closed as a duplicate of bpo-1294959

* bpo-18092: "Python 2.7.5 installation broken on OpenSuse 12.2", error: 
"ImportError: No module named _collections". The reporter never explained how 
Python was configured: "Please provide exactly what ./configure options you 
used to build Python and any "make install" options."

=> closed as a duplicate of bpo-1294959

* bpo-30633: "Python 3.6.1 installation issues on OpenSuse 42.1: 
ModuleNotFoundError: No module named 'encodings'", error: "Fatal Python error: 
Py_Initialize: Unable to get the locale encoding". Same reporter name than 
bpo-18092 "Andreas Jung", but different bugs.python.org login name ("zopyx" vs 
"Andreas.Jung". The reporter says that he used "the standard ./configure 
--prefix=... --enable-optimizations" but not if he applied any OpenSuSE 
downstream patch.

=> closed as out of date in 2019 after 2 years of inactivity

--

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[Cooper Lees]

Cooper Lees  added the comment:

I also have the same problem with _socket that was Fixed on the latest version 
of CentOS 7 building with gcc 4.8.5.

Adding:
sudo ln -s /usr/local/lib64/python3.7/lib-dynload/ 
/usr/local/lib/python3.7/lib-dynload

Allowed the .so to be found and the import to work.

--
nosy: +cooperlees

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[Ted Kandell]

Ted Kandell  added the comment:

The output of make after a make clean is attached.

For readline, on openSUSE 42.3 you have to install ncurses-devel, not 
libreadline-dev. The instructions aren't clear about this either, or the fact 
that an ncurses or readline development library has to be installed separately. 
However, this didn't cause the "readline" problem, since the shared libraries 
were in /usr/local/lib64 instead of /usr/local/lib, and so they couldn't be 
found in any case.

--
Added file: https://bugs.python.org/file47675/make.log

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[Ted Kandell]

Ted Kandell  added the comment:

./configure output
default, no parameters

--
Added file: https://bugs.python.org/file47674/configure.log

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[Ted Kandell]

Ted Kandell  added the comment:

I got the source directly from www.python.org

--

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[STINNER Victor]

STINNER Victor  added the comment:

> Debian, Fedora, Gentoo, RHEL, and Ubuntu (AMD64) buildbots are currently
green.  We don't have one for SUSE, open or other wise.

We have SLES buildbots, that's OpenSUSE no?

--

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[STINNER Victor]

STINNER Victor  added the comment:

For readline, you probably have to install a dependency like: libreadline-dev.

--

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[STINNER Victor]

STINNER Victor  added the comment:

Can we please recommpile Python from scratch and attach the output of make? 
Example:

./configure
make 2>&1 | tee log

And attach log to this ticket.

--

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[Terry J. Reedy]

Terry J. Reedy  added the comment:

Did you get the source from openSUSE or from python.org?

--

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[Ted Kandell]

Ted Kandell  added the comment:

This isn't for the OpenSUSE official build itself, just compiling and 
installing from source on OpenSUSE 42.3. Without the symlink, and also with a 
wrong PYTHONHOME, pip coredumps.

--

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[Terry J. Reedy]

Terry J. Reedy  added the comment:

A crash, for the tracker, is failed execution without a Python exception and 
trackback.

Debian, Fedora, Gentoo, RHEL, and Ubuntu (AMD64) buildbots are currently green. 
 We don't have one for SUSE, open or other wise.

If you have not yet reported the issue to openSUSE, I would do so in case this 
is something they should deal with.

Victor, do you have anything to add?

--
nosy: +terry.reedy, vstinner
type: crash -> behavior

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[issue34058] Default Python 3.7 install broken on openSUSE Leap 42.3: $PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to $PYTHONHOME/lib/python3.7/lib-dynload/

[Ted Kandell]

New submission from Ted Kandell :

The default Python 3.7 install (./configure with no parameters) does not work 
(at least) on openSUSE Leap 42.3. 

Python3 gives a ModuleNotFoundError: No module named 'readline'
 error, and pip3 has a ModuleNotFoundError: No module named '_socket' error, 
because the site libraries cannot be found.

The fix is to manually:
sudo ln -s /usr/local/lib64/python3.7/lib-dynload/ 
/usr/local/lib/python3.7/lib-dynload

The same problem should also be present with a PYTHONHOME other than the 
default /usr/local .

I suspect this is a more widespread problem than just openSUSE Leap 42.3, and 
may exist in other distros as well.

The fix should be for make install to automatically create the symbolic link 
for the  $PYTHONHOME/lib64/python3.7/lib-dynload directory in 
$PYTHONHOME/lib/python3.7/ .

--
components: Installation
messages: 321145
nosy: tkandell
priority: normal
severity: normal
status: open
title: Default Python 3.7 install broken on openSUSE Leap 42.3: 
$PYTHONHOME/lib64/python3.7/lib-dynload/ not linked to 
$PYTHONHOME/lib/python3.7/lib-dynload/
type: crash
versions: Python 3.7

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