Matlab Python Engine on MacOs

Question

dmhd 2021-12-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1615005-matlab-python-engine-on-macos

编辑： Walter Roberson 2022-6-19

I am trying to install the Matlab Python API on a MacOS Monterey 12.0.1 machine.

After I performed the "python3 setup.py install" command, which executes correctly, the package is in the correct site-package folder. When I start a session with "python3" and try to "import matlab.engine", I get the following error message:

>>> import matlab.engine

Traceback (most recent call last):

File "<stdin>", line 1, in <module>

File "/opt/homebrew/lib/python3.9/site-packages/matlab/engine/__init__.py", line 77, in <module>

raise EnvironmentError(secondExceptionMessage)

OSError: Please reinstall MATLAB Engine for Python or contact MathWorks Technical Support for assistance:

First issue: No module named 'matlabengineforpython3_9'

Second issue: dlopen(/Applications/MATLAB_R2021b.app/extern/engines/python/dist/matlab/engine/maci64/matlabengineforpython3_9.so, 0x0002): tried: '/Applications/MATLAB_R2021b.app/extern/engines/python/dist/matlab/engine/maci64/matlabengineforpython3_9.so' (mach-o file, but is an incompatible architecture (have 'x86_64', need 'arm64e')), '/usr/local/lib/matlabengineforpython3_9.so' (no such file), '/usr/lib/matlabengineforpython3_9.so' (no such file)

How can I solve this?

Thank you in advance!

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Jinwoo Hwang 2022-1-11

I am experiencing the exact same issue. Also cannot find any useful answers.

Walter Roberson 2022-6-7

编辑：Walter Roberson 2022-6-19

See also https://www.mathworks.com/matlabcentral/answers/726093-oserror-matlab-engine-for-python-3-8-on-macbook-pro-with-m1-chip?s_tid=srchtitle

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Answer 1

Anshika Chourasia 2022-2-25

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https://ww2.mathworks.cn/matlabcentral/answers/1615005-matlab-python-engine-on-macos#answer_904260

编辑：Anshika Chourasia 2022-2-25

Hi,

According to my understanding, to resolve this issue please install the maci64 version of Python and use that with (maci64) MATLAB.

You should download one of the "Intel-only" installers on this page (https://www.python.org/downloads/macos/) to get "maci" versions of Python.

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Hangyu LIU 2022-6-7

在 MATLAB Online 中打开

Hello Anshika,

I have tried the "Intel-only" python version, but I still have the same error as dmhd. Could you please help me?

Traceback (most recent call last):
  File "/Users/lhy/Documents/python/matlab/mat_py.py", line 1, in <module>
    import matlab.engine
  File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/matlab/__init__.py", line 214, in <module>
    from matlabmultidimarrayforpython import double, single, uint8, int8, uint16, \
ImportError: dlopen(/Applications/MATLAB_R2022a.app/extern/engines/python/../../../extern/bin/maci64/matlabmultidimarrayforpython.cpython-39-darwin.so, 0x0002): tried: '/Applications/Python 3.9/IDLE.app/Contents/Frameworks/matlabmultidimarrayforpython.cpython-39-darwin.so' (no such file), '/Applications/MATLAB_R2022a.app/extern/engines/python/../../../extern/bin/maci64/matlabmultidimarrayforpython.cpython-39-darwin.so' (mach-o file, but is an incompatible architecture (have 'x86_64', need 'arm64e')), '/Applications/Python 3.9/IDLE.app/Contents/Frameworks/matlabmultidimarrayforpython.cpython-39-darwin.so' (no such file), '/Applications/MATLAB_R2022a.app/extern/bin/maci64/matlabmultidimarrayforpython.cpython-39-darwin.so' (mach-o file, but is an incompatible architecture (have 'x86_64', need 'arm64e'))