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Mention potential issue with pytest when ros2 is installed #1387

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Apr 19, 2024
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Mention potential issue with pytest when ros2 is installed #1387

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Mention potential issue with pytest when ros2 is installed
fspindle Apr 19, 2024
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Update doc
fspindle Apr 19, 2024
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134 changes: 134 additions & 0 deletions doc/tutorial/python/tutorial-install-python-bindings.dox
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Original file line number Diff line number Diff line change
Expand Up @@ -831,4 +831,138 @@ Then it means that a class has both a static method and a member method with the

This error may also happen when generating the Python stubs (after the bindings compilation and linking step).

\subsubsection py_bindings_known_errors_test When building the tests

The following error may occur when building Python tests on Ubuntu 22.04 when ros-2 humble is installed:

\verbatim
(venv) $ cd $VISP_WS/visp-build-bindings
(venv) $ make -j8 visp_python_bindings_test
\endverbatim

The error is the following:
\verbatim
...
[100%] Built target visp_python_bindings
[100%] Installing dependencies to test Python bindings...
Collecting numpy (from -r $VISP_WS/visp/modules/python/test/requirements.txt (line 1))
Downloading numpy-1.26.4-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (61 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 61.0/61.0 kB 1.3 MB/s eta 0:00:00
Collecting pytest (from -r $VISP_WS/visp/modules/python/test/requirements.txt (line 2))
Downloading pytest-8.1.1-py3-none-any.whl.metadata (7.6 kB)
Collecting pytest-sphinx (from -r $VISP_WS/visp/modules/python/test/requirements.txt (line 3))
Downloading pytest_sphinx-0.6.3-py3-none-any.whl.metadata (5.3 kB)
Collecting iniconfig (from pytest->-r $VISP_WS/visp/modules/python/test/requirements.txt (line 2))
Downloading iniconfig-2.0.0-py3-none-any.whl.metadata (2.6 kB)
Collecting packaging (from pytest->-r $VISP_WS/visp/modules/python/test/requirements.txt (line 2))
Downloading packaging-24.0-py3-none-any.whl.metadata (3.2 kB)
Collecting pluggy<2.0,>=1.4 (from pytest->-r $VISP_WS/visp/modules/python/test/requirements.txt (line 2))
Downloading pluggy-1.4.0-py3-none-any.whl.metadata (4.3 kB)
Collecting exceptiongroup>=1.0.0rc8 (from pytest->-r $VISP_WS/visp/modules/python/test/requirements.txt (line 2))
Downloading exceptiongroup-1.2.0-py3-none-any.whl.metadata (6.6 kB)
Collecting tomli>=1 (from pytest->-r $VISP_WS/visp/modules/python/test/requirements.txt (line 2))
Downloading tomli-2.0.1-py3-none-any.whl.metadata (8.9 kB)
Downloading numpy-1.26.4-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (18.2 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 18.2/18.2 MB 12.6 MB/s eta 0:00:00
Downloading pytest-8.1.1-py3-none-any.whl (337 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 337.4/337.4 kB 17.0 MB/s eta 0:00:00
Downloading pytest_sphinx-0.6.3-py3-none-any.whl (10 kB)
Downloading exceptiongroup-1.2.0-py3-none-any.whl (16 kB)
Downloading pluggy-1.4.0-py3-none-any.whl (20 kB)
Downloading tomli-2.0.1-py3-none-any.whl (12 kB)
Downloading iniconfig-2.0.0-py3-none-any.whl (5.9 kB)
Downloading packaging-24.0-py3-none-any.whl (53 kB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 53.5/53.5 kB 5.8 MB/s eta 0:00:00
Installing collected packages: tomli, pluggy, packaging, numpy, iniconfig, exceptiongroup, pytest, pytest-sphinx
Successfully installed exceptiongroup-1.2.0 iniconfig-2.0.0 numpy-1.26.4 packaging-24.0 pluggy-1.4.0 pytest-8.1.1 pytest-sphinx-0.6.3 tomli-2.0.1

[notice] A new release of pip is available: 23.3.2 -> 24.0
[notice] To update, run: pip install --upgrade pip
[100%] Built target visp_python_bindings_test_dependencies
[100%] Testing Python bindings...
Traceback (most recent call last):
File "/usr/lib/python3.10/runpy.py", line 196, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/usr/lib/python3.10/runpy.py", line 86, in _run_code
exec(code, run_globals)
File "$VISP_WS/venv/lib/python3.10/site-packages/pytest/__main__.py", line 7, in <module>
raise SystemExit(pytest.console_main())
File "$VISP_WS/venv/lib/python3.10/site-packages/_pytest/config/__init__.py", line 197, in console_main
code = main()
File "$VISP_WS/venv/lib/python3.10/site-packages/_pytest/config/__init__.py", line 155, in main
config = _prepareconfig(args, plugins)
File "$VISP_WS/venv/lib/python3.10/site-packages/_pytest/config/__init__.py", line 337, in _prepareconfig
config = pluginmanager.hook.pytest_cmdline_parse(
File "$VISP_WS/venv/lib/python3.10/site-packages/pluggy/_hooks.py", line 501, in __call__
return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
File "$VISP_WS/venv/lib/python3.10/site-packages/pluggy/_manager.py", line 119, in _hookexec
return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
File "$VISP_WS/venv/lib/python3.10/site-packages/pluggy/_callers.py", line 138, in _multicall
raise exception.with_traceback(exception.__traceback__)
File "$VISP_WS/venv/lib/python3.10/site-packages/pluggy/_callers.py", line 121, in _multicall
teardown.throw(exception) # type: ignore[union-attr]
File "$VISP_WS/venv/lib/python3.10/site-packages/_pytest/helpconfig.py", line 105, in pytest_cmdline_parse
config = yield
File "$VISP_WS/venv/lib/python3.10/site-packages/pluggy/_callers.py", line 102, in _multicall
res = hook_impl.function(*args)
File "$VISP_WS/venv/lib/python3.10/site-packages/_pytest/config/__init__.py", line 1143, in pytest_cmdline_parse
self.parse(args)
File "$VISP_WS/venv/lib/python3.10/site-packages/_pytest/config/__init__.py", line 1492, in parse
self._preparse(args, addopts=addopts)
File "$VISP_WS/venv/lib/python3.10/site-packages/_pytest/config/__init__.py", line 1379, in _preparse
self.pluginmanager.load_setuptools_entrypoints("pytest11")
File "$VISP_WS/venv/lib/python3.10/site-packages/pluggy/_manager.py", line 414, in load_setuptools_entrypoints
plugin = ep.load()
File "/usr/lib/python3.10/importlib/metadata/__init__.py", line 171, in load
module = import_module(match.group('module'))
File "/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "/opt/ros/humble/lib/python3.10/site-packages/launch_testing/__init__.py", line 15, in <module>
from . import tools
File "/opt/ros/humble/lib/python3.10/site-packages/launch_testing/tools/__init__.py", line 18, in <module>
from .process import launch_process
File "/opt/ros/humble/lib/python3.10/site-packages/launch_testing/tools/process.py", line 17, in <module>
import launch
File "/opt/ros/humble/lib/python3.10/site-packages/launch/__init__.py", line 17, in <module>
from . import actions
File "/opt/ros/humble/lib/python3.10/site-packages/launch/actions/__init__.py", line 17, in <module>
from .declare_launch_argument import DeclareLaunchArgument
File "/opt/ros/humble/lib/python3.10/site-packages/launch/actions/declare_launch_argument.py", line 22, in <module>
import launch.logging
File "/opt/ros/humble/lib/python3.10/site-packages/launch/logging/__init__.py", line 32, in <module>
from ..frontend import expose_substitution
File "/opt/ros/humble/lib/python3.10/site-packages/launch/frontend/__init__.py", line 17, in <module>
from . import type_utils
File "/opt/ros/humble/lib/python3.10/site-packages/launch/frontend/type_utils.py", line 22, in <module>
from .entity import Entity
File "/opt/ros/humble/lib/python3.10/site-packages/launch/frontend/entity.py", line 22, in <module>
from launch.utilities.type_utils import AllowedTypesType
File "/opt/ros/humble/lib/python3.10/site-packages/launch/utilities/type_utils.py", line 29, in <module>
import yaml
ModuleNotFoundError: No module named 'yaml'
make[3]: *** [modules/python/test/CMakeFiles/visp_python_bindings_test.dir/build.make:71: modules/python/test/CMakeFiles/visp_python_bindings_test] Error 1
make[2]: *** [CMakeFiles/Makefile2:2278: modules/python/test/CMakeFiles/visp_python_bindings_test.dir/all] Error 2
make[1]: *** [CMakeFiles/Makefile2:2285: modules/python/test/CMakeFiles/visp_python_bindings_test.dir/rule] Error 2
make: *** [Makefile:702: visp_python_bindings_test] Error 2
(venv) $
\endverbatim

The work arround consists in uninstalling `python3-pytest` system package.

\warning Removing `python3-pytest` could break the ros-2 installation, as `python3-pytest` is a dependency of some humble ros-2 packages.

*/
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