Unable to launch tests with python 3.12

Support Developer
1

Hi,

I just switch to python 3.12 and I can’t launch tests on tryton_dev.

Here’s my procedure:

  • Cloning tryton_dev: hg clone ssh://hg@foss.heptapod.net/tryton/tryton tryton_dev
  • Creating virtualenv: virtualenv .venv/trytond
  • Switching to virtualenv: source .venv/trytond/bin/activate
  • Getting requirements: .hooks/update_requirements
  • Installing requirements: pip install -r requirements.txt -r requirements-dev.txt -e trytond/ -e proteus/
  • Trying to launch tests on specific module: python -m unittest discover -s trytond.modules.stock.tests

I’m getting this error:

Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/usr/lib/python3.12/unittest/__main__.py", line 18, in <module>
    main(module=None)
  File "/usr/lib/python3.12/unittest/main.py", line 104, in __init__
    self.parseArgs(argv)
  File "/usr/lib/python3.12/unittest/main.py", line 130, in parseArgs
    self._do_discovery(argv[2:])
  File "/usr/lib/python3.12/unittest/main.py", line 253, in _do_discovery
    self.createTests(from_discovery=True, Loader=Loader)
  File "/usr/lib/python3.12/unittest/main.py", line 160, in createTests
    self.test = loader.discover(self.start, self.pattern, self.top)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/unittest/loader.py", line 307, in discover
    raise ImportError('Start directory is not importable: %r' % start_dir)
ImportError: Start directory is not importable: 'trytond.trytond.modules.stock.tests'

Thanks for help ! :slight_smile:

2

This is not a valid module path. The first trytond directory is not a module.

3

I made a mistake when copying :frowning:, it was:

python -m unittest discover -s trytond.modules.stock.tests

and getting the error

4

Then what is the error?

5

Same error:

╰─ python -m unittest discover -s trytond.modules.stock.tests 
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/usr/lib/python3.12/unittest/__main__.py", line 18, in <module>
    main(module=None)
  File "/usr/lib/python3.12/unittest/main.py", line 104, in __init__
    self.parseArgs(argv)
  File "/usr/lib/python3.12/unittest/main.py", line 130, in parseArgs
    self._do_discovery(argv[2:])
  File "/usr/lib/python3.12/unittest/main.py", line 253, in _do_discovery
    self.createTests(from_discovery=True, Loader=Loader)
  File "/usr/lib/python3.12/unittest/main.py", line 160, in createTests
    self.test = loader.discover(self.start, self.pattern, self.top)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/unittest/loader.py", line 307, in discover
    raise ImportError('Start directory is not importable: %r' % start_dir)
ImportError: Start directory is not importable: 'trytond.modules.stock.tests'
6

So it looks like trytond is not importable. If you can not do import trytond.modules.stock.tests in your python console, it is normal that the tests can not be run.

7

Try launching the tests from the trytond directory.

Launching from the root of the repo result in the first trytond directory being considered as a Namespace. I haven’t looked yet what has changed between 3.11 and 3.12 so that it has this effect.

8

Indeed, this is working :slight_smile: Thanks.

9

Indeed in Python 3.11 the toplevel directory can be imported as <module 'trytond' (<_frozen_importlib_external.NamespaceLoader object at 0x7fbd9afc1110>)>.

For me having a PYTHONPATH=trytond import the right file from the top directory of the repository.

1 Like
10

Indeed, working also this way in the root of the repo:

PYTHONPATH=trytond:proteus python -m unittest discover -s trytond.modules.stock.tests

Thanks :slight_smile:

11

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