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selinux 0.3.0 in a virtualenv with non default python3 yields broken ansible #72

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@mafalb

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@mafalb

On a RHEL 9 system I want to install ansible and molecule in a virtualenv

$ python3 --version
Python 3.9.18

But I don't want to use the default python3 (or platform-python) but python 3.11, which is packaged for RHEL 9

$ python3.11 --version
Python 3.11.5
$ python3.11 -m venv venv
$ . venv/bin/activate
(venv) $ pip install ansible molecule-podman
Collecting ansible
...

Here is the problem:

(venv) $ ansible --version
Traceback (most recent call last):
  File "/home/mafalb/Documents/venv/bin/ansible", line 5, in <module>
    from ansible.cli.adhoc import main
  File "/home/mafalb/Documents/venv/lib64/python3.11/site-packages/ansible/cli/__init__.py", line 102, in <module>
    from ansible.module_utils.common.file import is_executable
  File "/home/mafalb/Documents/venv/lib64/python3.11/site-packages/ansible/module_utils/common/file.py", line 12, in <module>
    import selinux  # pylint: disable=unused-import
    ^^^^^^^^^^^^^^
  File "/home/mafalb/Documents/venv/lib64/python3.11/site-packages/selinux/__init__.py", line 106, in <module>
    check_system_sitepackages()
  File "/home/mafalb/Documents/venv/lib64/python3.11/site-packages/selinux/__init__.py", line 102, in check_system_sitepackages
    raise Exception(
Exception: Failed to detect selinux python bindings at ['/usr/local/lib64/python3.11/site-packages', '/usr/local/lib/python3.11/site-packages', '/usr/lib64/python3.11/site-packages', '/usr/lib/python3.11/site-packages']

selinux 0.3.0 was pulled in as a dependency of molecule-podman
I wonder if something is wrong with selinux 0.3.0, so I try to install older version

(venv) $ pip install ansible molecule-podman 'selinux<0.3.0'
...

and voila, ansible seems to work

(venv) $ ansible --version
ansible [core 2.16.2]
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/home/mafalb/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/mafalb/Documents/venv/lib64/python3.11/site-packages/ansible
  ansible collection location = /home/mafalb/.ansible/collections:/usr/share/ansible/collections
  executable location = /home/mafalb/Documents/venv/bin/ansible
  python version = 3.11.5 (main, Sep  7 2023, 00:00:00) [GCC 11.4.1 20230605 (Red Hat 11.4.1-2)] (/home/mafalb/Documents/venv/bin/python3.11)
  jinja version = 3.1.3
  libyaml = True

Is this a misbehaviour of selinux 0.3.0?

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