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Re: [ESPResSo-users] Installation problem

From: Jean-Noël Grad
Subject: Re: [ESPResSo-users] Installation problem
Date: Mon, 15 Jul 2019 19:26:12 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Thunderbird/60.7.2

Hi Shawn,

The 4.0.2 release is tested for both python versions. I'm not familiar with this error message. It could be due to your Cython version, or to an unclean build directory. To reproduce your issue, we will need the cmake command you used for this build and its output in the terminal. It's only 80 lines long and contains valuable information such as the Cython version and espresso dependencies. If you're using a custom myconfig.hpp file, please also post its content.

Best regards,

On 7/15/19 6:58 PM, Shawn wrote:
Hi everyone,
I am trying install espresso 4.0.2 with python 3. The cmake command could be executed successfully, but when I tried to compile the source code, I got errors below:

[ 61%] Generating code_info.pyx
Fatal Python error: Py_Initialize: can't initialize sys standard streams
Traceback (most recent call last):
  File "/home/shawn/sourcecode/espresso/src/python/espressomd/io/", line 17, in <module>   File "/home/shawn/sourcecode/espresso/src/python/espressomd/io/writer/", line 17, in <module>
ValueError: attempted relative import beyond top-level package
/bin/sh: line 1: 15371 Aborted                 (core dumped) /home/shawn/soft/python3/bin/python3 /home/shawn/sourcecode/espresso/src/features.def /home/shawn/sourcecode/espresso/build4/src/python/espressomd/code_info.pyx
make[2]: *** [src/python/espressomd/code_info.pyx] Error 134
make[1]: *** [src/python/espressomd/CMakeFiles/code_info.dir/all] Error 2
make: *** [all] Error 2

It's so confusing, because I can successfully install espresso with python 2 on the same computer and I can also install espresso with python 3 on another computer.

Does anyone know how to fix this? Thank you very much.


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