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Construct: Declarative data structures for python that allow symmetric parsing and building
http://construct.readthedocs.org
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2.10.70: pytest fails because it cannot find `tests` #1074

Open kloczek opened 7 months ago

kloczek commented 7 months ago

I'm packaging your module as an rpm package so I'm using the typical PEP517 based build, install and test cycle used on building packages from non-root account.

Here is pytest output: ```console + PYTHONPATH=/home/tkloczko/rpmbuild/BUILDROOT/python-construct-2.10.70-4.fc36.x86_64/usr/lib64/python3.9/site-packages:/home/tkloczko/rpmbuild/BUILDROOT/python-construct-2.10.70-4.fc36.x86_64/usr/lib/python3.9/site-packages + /usr/bin/pytest -ra -m 'not network' --import-mode=importlib ==================================================================================== test session starts ==================================================================================== platform linux -- Python 3.9.18, pytest-8.1.1, pluggy-1.4.0 benchmark: 4.0.0 (defaults: timer=time.perf_counter disable_gc=False min_rounds=5 min_time=0.000005 max_time=1.0 calibration_precision=10 warmup=False warmup_iterations=100000) rootdir: /home/tkloczko/rpmbuild/BUILD/construct-2.10.70 plugins: benchmark-4.0.0 collected 0 items / 15 errors ========================================================================================== ERRORS =========================================================================================== _________________________________________________________________ ERROR collecting tests/deprecated_gallery/test_formats.py _________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/deprecated_gallery/test_formats.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/deprecated_gallery/test_formats.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' ________________________________________________________________ ERROR collecting tests/deprecated_gallery/test_protocols.py ________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/deprecated_gallery/test_protocols.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/deprecated_gallery/test_protocols.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' ______________________________________________________________________ ERROR collecting tests/gallery/test_gallery.py _______________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/gallery/test_gallery.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/gallery/test_gallery.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' _________________________________________________________________________ ERROR collecting tests/lib/test_binary.py _________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/lib/test_binary.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/lib/test_binary.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' _______________________________________________________________________ ERROR collecting tests/lib/test_bitstream.py ________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/lib/test_bitstream.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/lib/test_bitstream.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' ____________________________________________________________________ ERROR collecting tests/lib/test_containers_dict.py _____________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/lib/test_containers_dict.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/lib/test_containers_dict.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' ____________________________________________________________________ ERROR collecting tests/lib/test_containers_list.py _____________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/lib/test_containers_list.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/lib/test_containers_list.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' __________________________________________________________________________ ERROR collecting tests/lib/test_hex.py ___________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/lib/test_hex.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/lib/test_hex.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' _______________________________________________________________________ ERROR collecting tests/lib/test_py3compat.py ________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/lib/test_py3compat.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/lib/test_py3compat.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' _________________________________________________________________________ ERROR collecting tests/lib/test_search.py _________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/lib/test_search.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/lib/test_search.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' _________________________________________________________________________ ERROR collecting tests/test_benchmarks.py _________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/test_benchmarks.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/test_benchmarks.py:3: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' __________________________________________________________________________ ERROR collecting tests/test_compiler.py __________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/test_compiler.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/test_compiler.py:3: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' ____________________________________________________________________________ ERROR collecting tests/test_core.py ____________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/test_core.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/test_core.py:3: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' ____________________________________________________________________________ ERROR collecting tests/test_expr.py ____________________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/test_expr.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/test_expr.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' ______________________________________________________________________ ERROR collecting tests/test_multiprocessing.py _______________________________________________________________________ ImportError while importing test module '/home/tkloczko/rpmbuild/BUILD/construct-2.10.70/tests/test_multiprocessing.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: tests/test_multiprocessing.py:1: in from tests.declarativeunittest import * E ModuleNotFoundError: No module named 'tests' ================================================================================== short test summary info ================================================================================== ERROR tests/deprecated_gallery/test_formats.py ERROR tests/deprecated_gallery/test_protocols.py ERROR tests/gallery/test_gallery.py ERROR tests/lib/test_binary.py ERROR tests/lib/test_bitstream.py ERROR tests/lib/test_containers_dict.py ERROR tests/lib/test_containers_list.py ERROR tests/lib/test_hex.py ERROR tests/lib/test_py3compat.py ERROR tests/lib/test_search.py ERROR tests/test_benchmarks.py ERROR tests/test_compiler.py ERROR tests/test_core.py ERROR tests/test_expr.py ERROR tests/test_multiprocessing.py !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 15 errors during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ==================================================================================== 15 errors in 0.50s ===================================================================================== ```
List of installed modules in build env: ```console Package Version ----------------------------- ----------- alabaster 0.7.16 arrow 1.3.0 Babel 2.14.0 build 1.1.1 cffi 1.16.0 charset-normalizer 3.3.2 cloudpickle 3.0.0 cryptography 42.0.5 distro 1.9.0 dnf 4.19.0 docutils 0.20.1 exceptiongroup 1.1.3 gpg 1.23.2 idna 3.6 imagesize 1.4.1 importlib_metadata 7.0.1 iniconfig 2.0.0 installer 0.7.0 Jinja2 3.1.3 libdnf 0.73.0 lz4 4.3.3 MarkupSafe 2.1.3 numpy 1.26.5 packaging 24.0 pluggy 1.4.0 ply 3.11 py-cpuinfo 9.0.0 pycparser 2.21 Pygments 2.17.2 pyproject_hooks 1.0.0 pytest 8.1.1 pytest-benchmark 4.0.0 python-dateutil 2.9.0.post0 requests 2.31.0 ruamel.yaml 0.18.5 ruamel.yaml.clib 0.2.8 setuptools 69.1.1 snowballstemmer 2.2.0 Sphinx 7.2.6 sphinxcontrib-applehelp 1.0.8 sphinxcontrib-devhelp 1.0.5 sphinxcontrib-htmlhelp 2.0.5 sphinxcontrib-jsmath 1.0.1 sphinxcontrib-qthelp 1.0.7 sphinxcontrib-serializinghtml 1.1.10 tokenize_rt 5.2.0 tomli 2.0.1 urllib3 1.26.18 wheel 0.43.0 zipp 3.17.0 ```

Please let me know if you need more details or want me to perform some diagnostics.

franzhaas commented 7 months ago

I think this might be related to this.: https://github.com/construct/construct/pull/1068

would you like to try with pre version 8 pytest?

kloczek commented 7 months ago

would you like to try with pre version 8 pytest?

Sorry but I'm only interested latest pytest 8.x.

franzhaas commented 7 months ago

The problem is that due to the changes of pytest on how tests get discovered in version 8 constructs tests don't work anymore.

i belive this is the best solution with little changes short term.:

export PYTHONPATH=.
py.test tests --benchmark-disable --showlocals --verbose

works for me with pytest 8.1.1

kloczek commented 7 months ago 
export PYTHONPATH=.
py.test tests --benchmark-disable --showlocals --verbose

works for me with pytest 8.1.1

Issue only is that other modules does not need to altering $PYTHONPATH.

Just build updated pycparser (https://github.com/eliben/pycparser/) and it has separated test suite files in tests/ and it works without PYTHONPATH=.

franzhaas commented 7 months ago

There are breaking changes between pytest 7.x.y and 8.u.v and we have 2 ways to deal with those at the moment. (modifying the pythonpath, and using 7.x.y)

If you want to have a deeper insight, or research a more elegant solution, I think you would be better off discussing this with pytest (https://github.com/pytest-dev/pytest).

Surely other projects have not been affected by these breaking changes without a depreciation period, and others might have already adapted to them...

Your best options are probably to either live with one of the solutions suggested, or make a PR with a solution you like and lobby for it.

kloczek commented 7 months ago

There are breaking changes between pytest 7.x.y and 8.u.v and we have 2 ways to deal with those at the moment. (modifying the pythonpath, and using 7.x.y)

I understand .. however you can find plenty of examples with modules test suites which are OK with pytest 7.x and 8.x. I have already packaged +1.25k python modules as rpm packages. In that sample only about 5-7 are with pytest tests modules location during pytest execution.

franzhaas commented 6 months ago

https://github.com/franzhaas/construct/tree/speedOptimisations

the commit f4a7867 shows another solution for this problem...

franzhaas commented 1 month ago

Here would be a prepared pull request for just this issue.: https://github.com/construct/construct/pull/1085

franzhaas commented 3 weeks ago

@kloczek please close this one, the fix has been merged and is now in the main branch...