Matlab Engine in Pycharm works Debug mode but not Run mode

Question

Mark Debord 2021년 3월 19일

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https://kr.mathworks.com/matlabcentral/answers/777267-matlab-engine-in-pycharm-works-debug-mode-but-not-run-mode

댓글: Mark Debord 2021년 3월 19일

I am experiencing a very odd behavior when importing the matlab engine inside of pycharm. I can run the script from the terminal, or with the Debug (bug icon) in Pycharm. However I cannot run the script with the 'Play' button in Pycharm and I have no idea what the cause is. Here is the script I am trying to run

import matlab.engine
eng = matlab.engine.start_matlab()
x = 4.0
eng.workspace['y'] = x
a = eng.eval('sqrt(y)')
print(a)

Again this works perfectly fine from the terminal or with the Pycharm Debugger, but with the regular 'Run' button I get this message

Traceback (most recent call last):
  File "/home/markd/.pyenv/versions/airsim/lib/python3.6/site-packages/matlab/engine/__init__.py", line 45, in <module>
    pythonengine = importlib.import_module("matlabengineforpython"+_PYTHONVERSION)
  File "/home/markd/.pyenv/versions/3.6.11/lib/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'matlabengineforpython3_6'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/home/markd/.pyenv/versions/airsim/lib/python3.6/site-packages/matlab/engine/__init__.py", line 63, in <module>
    pythonengine = importlib.import_module("matlabengineforpython"+_PYTHONVERSION)
  File "/home/markd/.pyenv/versions/3.6.11/lib/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 658, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 571, in module_from_spec
  File "<frozen importlib._bootstrap_external>", line 922, in create_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
ImportError: /usr/local/MATLAB/R2020b/extern/engines/python/dist/matlab/engine/glnxa64/../../../../../../../bin/glnxa64/libssl.so.1.1: undefined symbol: EVP_idea_cbc, version OPENSSL_1_1_0
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/home/markd/Projects/TestProject/matlab/EngineTest.py", line 1, in <module>
    import matlab.engine
  File "/home/markd/.pyenv/versions/airsim/lib/python3.6/site-packages/matlab/engine/__init__.py", line 66, in <module>
    'MathWorks Technical Support for assistance: %s' % e)
OSError: Please reinstall MATLAB Engine for Python or contact MathWorks Technical Support for assistance: /usr/local/MATLAB/R2020b/extern/engines/python/dist/matlab/engine/glnxa64/../../../../../../../bin/glnxa64/libssl.so.1.1: undefined symbol: EVP_idea_cbc, version OPENSSL_1_1_0

My configuration:

ubuntu 20.04
Matlab 2020b
Python 3.6 as a virtual environment located at .pyenv/versions/airsim
I have write access to matlab and python installation directories, and installed by activating the virtual environment in a terminal and executing 'python setup.py install' and had no errors come up when installing
Pycharm project interpreter is set to my virtual environment python (again it works in debug mode just fine!!!)
Pycharm Professional Edition 2020.3.3

Any ideas? I've tried setting python path environment variable in pycharm to explicitly include 3.6/site-packages/matlab directory but that did not seem to help (and still doesn't explain why it works fine in Debug mode/terminal). Thank you!