Python engine error "Invalid Version"

5 次查看（过去 30 天）
Ricardo
Ricardo 2024-12-4
编辑： SACHIN KHANDELWAL 2024-12-6
Dear, I am trying to install the Python engine in MATLAB 2020b using python 3.8.20.
According to the compatibility table, it should be possible, however, I get this error. Could you please help?
(py38) C:\Program Files\MATLAB\R2020b\extern\engines\python>python setup.py install
Traceback (most recent call last):
File "setup.py", line 78, in <module>
setup(
File "C:\ProgramData\anaconda3\envs\py38\lib\site-packages\setuptools\_distutils\core.py", line 145, in setup
_setup_distribution = dist = klass(attrs)
File "C:\ProgramData\anaconda3\envs\py38\lib\site-packages\setuptools\dist.py", line 337, in __init__
self.metadata.version = self._normalize_version(self.metadata.version)
File "C:\ProgramData\anaconda3\envs\py38\lib\site-packages\setuptools\dist.py", line 373, in _normalize_version
normalized = str(Version(version))
File "C:\ProgramData\anaconda3\envs\py38\lib\site-packages\packaging\version.py", line 202, in __init__
raise InvalidVersion(f"Invalid version: {version!r}")
packaging.version.InvalidVersion: Invalid version: 'R2020b'

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回答（1 个）

SACHIN KHANDELWAL
SACHIN KHANDELWAL 2024-12-6
编辑：SACHIN KHANDELWAL 2024-12-6
Hi @Ricardo,
I came across some MATLAB answer articles that address a similar issue. I recommend checking out the workaround mentioned in these articles to see if it resolves your problem.
https://www.mathworks.com/matlabcentral/answers/1998578-invalid-version-r2021-when-installing-for-python-3-7-3-9
https://www.mathworks.com/matlabcentral/answers/1982279-python-api-cannot-be-built-with-setup-py-in-r2021a

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