我正在尝试通过Pycharm中的python脚本运行一个名为“回旋加速器”的Geant4(粒子模拟引擎)可执行文件。当我从命令行执行文件./Cyclotron
时,该文件运行完全正常。
当我尝试使用subprocess.check_call()
方法执行相同的bash命令时,出现以下错误消息:
./Cyclotron: error while loading shared libraries: libG4zlib.so:
cannot open shared object file: No such file or directory
Traceback (most recent call last):
File "/home/nicolas/Geant4/geant4.10.04.p01/main_stuff/cyclotron-
geant4/main.py", line 17, in <module>
subprocess.check_call(command.split())
File "/usr/lib/python3.6/subprocess.py", line 291, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['./Cyclotron']' returned non-
zero exit status 127.`
这似乎是由于LD_LIBRARY_PATH
变量未在Pycharm内部识别而造成的。例如,运行
import os
print(os.environ.get("LD_LIBRARY_PATH"))
返回None
。我见过有人建议在Run->Edit Configurations
下添加变量,并将其添加到“环境变量”下(我在默认值下为我的脚本和Python尝试过),但仍然没有运气。
在命令行上键入
echo $LD_LIBRARY_PATH
返回/home/nicolas/Root/build/lib:/usr/lib/x86_64-linux-gnu:/home/nicolas/Geant4/install/lib
。
这是我的python代码:
import subprocess
import os
os.chdir("build")
bash_commands = [
"cmake ..",
"make -j4",
"./Cyclotron"
]
for command in bash_commands:
subprocess.check_call(command.split())
和输出:
/home/nicolas/PycharmProjects/Main/venv/bin/python
/home/nicolas/Geant4/geant4.10.04.p01/main_stuff/cyclotron-geant4/main.py
-- Configuring done
-- Generating done
-- Build files have been written to:
/home/nicolas/Geant4/geant4.10.04.p01/main_stuff/cyclotron-geant4/build
[100%] Built target Cyclotron
$LD_LIBRARY_PATH
./Cyclotron: error while loading shared libraries: libG4zlib.so: cannot
open shared object file: No such file or directory
Traceback (most recent call last):
File "/home/nicolas/Geant4/geant4.10.04.p01/main_stuff/cyclotron-
geant4/main.py", line 14, in <module>
subprocess.check_call(command.split())
File "/usr/lib/python3.6/subprocess.py", line 291, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['./Cyclotron']' returned non-zero
exit status 127.
Process finished with exit code 1
我正在使用带有Python 3.6解释器的Ubuntu 18.04,Pycharm 2018。
答案 0 :(得分:0)
由于某种原因,我第二天再次尝试,Pycharm现在可以看到该变量。我唯一尝试做的另一件事是在我特定的python脚本的Run->Edit Configurations
下右上角的Share框中打勾。即使之后取消勾选,该变量仍会被识别。当我应用更改(例如从某种状态更改为另一种状态)时,脚本变亮了,但是我不知道自己所做的修改。
答案 1 :(得分:0)