Matlab Python Engine on MacOs

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dmhd
dmhd 2021-12-20
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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回答（1 个）

Anshika Chourasia
Anshika Chourasia 2022-2-25
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.
  2 个评论
Hangyu LIU
Hangyu LIU 2022-6-7
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'))

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