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https://issues.apache.org/jira/browse/PROTON-2518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Banks updated PROTON-2518:
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Attachment: image-2022-03-17-11-14-04-350.png
> Installing Python bindings via pip in a venv causes an ImportError
> ------------------------------------------------------------------
>
> Key: PROTON-2518
> URL: https://issues.apache.org/jira/browse/PROTON-2518
> Project: Qpid Proton
> Issue Type: Bug
> Components: python-binding
> Affects Versions: proton-c-0.36.0
> Environment: CentOS 7
> Python 3.8.12 (Anaconda 4.11.0)
> Using a standard venv within that. That is I created a python virtual
> environment inside an anaconda environment. (Not my choice but if it makes a
> difference I've run into the same issue without it)
> Reporter: Paul Banks
> Priority: Major
> Attachments: image-2022-03-17-11-01-58-867.png,
> image-2022-03-17-11-14-04-350.png
>
>
> When attempting to use the Qpid Proton libraries by installing the
> `python-qpid-proton` package in pip an ImportError appears related to the
> _cproton shared object.
> I was able to recreate it with a python 3.6.8 virtual environment. The error
> is the same in my python 3.8.12 environment. I am attempting to run one of
> the provided examples.
> {code:java}
> Traceback (most recent call last):
> File
> "/export/home/pbanks/Downloads/qpid-proton-0.36.0/python/examples/simple_recv.py",
> line 22, in <module>
> from proton.handlers import MessagingHandler
> File
> "/export/home/pbanks/anaconda3/envs/testEnviron/lib/python3.6/site-packages/proton/__init__.py",
> line 35, in <module>
> from cproton import PN_VERSION_MAJOR, PN_VERSION_MINOR, PN_VERSION_POINT
> File
> "/export/home/pbanks/anaconda3/envs/testEnviron/lib/python3.6/site-packages/cproton.py",
> line 15, in <module>
> import _cproton
> ImportError:
> /export/home/pbanks/anaconda3/envs/testEnviron/lib/python3.6/site-packages/_cproton.cpython-36m-x86_64-linux-gnu.so:
> undefined symbol: CRYPTO_set_locking_callback{code}
> Normally in CentOS7 I would use the Fedora provided yum package
> `python36-qpid-proton` as that works without issue.
> My current workaround is to replace the shared object provided by the pip
> package with the yum package.
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