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Importing module of pytest plugin triggers a PluginValidationError: unknown hook #3775

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abotalov opened this Issue Aug 3, 2018 · 2 comments

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@abotalov

abotalov commented Aug 3, 2018

I use Pytest 3.6.4.

When I import from pytest_selenium import pytest_selenium and then use pytest_selenium in conftest.py I get PluginValidationError: unknown hook.

This error has been also encountered by some users:

How is one expected to deal with it?

@abotalov abotalov changed the title from Importing pytest plugin module triggers a PluginValidationError: unknown hook to Importing module of pytest plugin triggers a PluginValidationError: unknown hook Aug 3, 2018

abotalov added a commit to abotalov/ggrc-core that referenced this issue Aug 3, 2018

@nicoddemus

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nicoddemus Aug 3, 2018

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Hi @abotalov,

One way is to rename the module to something else that doesn't have the pytest_ prefix:

from pytest_selenium import pytest_selenium as pselenium

I suppose pluggy could check if the object is actually callable to consider it as a candidate for a hook, which would work for this case.

cc @RonnyPfannschmidt @tgoodlet

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nicoddemus commented Aug 3, 2018

Hi @abotalov,

One way is to rename the module to something else that doesn't have the pytest_ prefix:

from pytest_selenium import pytest_selenium as pselenium

I suppose pluggy could check if the object is actually callable to consider it as a candidate for a hook, which would work for this case.

cc @RonnyPfannschmidt @tgoodlet

nicoddemus added a commit to nicoddemus/pytest that referenced this issue Aug 4, 2018

@nicoddemus nicoddemus closed this in #3782 Aug 5, 2018

hsoft added a commit to hsoft/pytest that referenced this issue Aug 6, 2018

abotalov added a commit to abotalov/ggrc-core that referenced this issue Aug 8, 2018

sfdye added a commit to pydanny/cookiecutter-django that referenced this issue Aug 19, 2018

Update pytest to 3.7.2 (#1755)
This PR updates [pytest](https://pypi.org/project/pytest) from **3.7.1** to **3.7.2**.



<details>
  <summary>Changelog</summary>
  
  
   ### 3.7.2
   ```
   =========================

Bug Fixes
---------

- `3671 &lt;https://github.com/pytest-dev/pytest/issues/3671&gt;`_: Fix ``filterwarnings`` not being registered as a builtin mark.


- `3768 &lt;https://github.com/pytest-dev/pytest/issues/3768&gt;`_, `3789 &lt;https://github.com/pytest-dev/pytest/issues/3789&gt;`_: Fix test collection from packages mixed with normal directories.


- `3771 &lt;https://github.com/pytest-dev/pytest/issues/3771&gt;`_: Fix infinite recursion during collection if a ``pytest_ignore_collect`` hook returns ``False`` instead of ``None``.


- `3774 &lt;https://github.com/pytest-dev/pytest/issues/3774&gt;`_: Fix bug where decorated fixtures would lose functionality (for example ``mock.patch``).


- `3775 &lt;https://github.com/pytest-dev/pytest/issues/3775&gt;`_: Fix bug where importing modules or other objects with prefix ``pytest_`` prefix would raise a ``PluginValidationError``.


- `3788 &lt;https://github.com/pytest-dev/pytest/issues/3788&gt;`_: Fix ``AttributeError`` during teardown of ``TestCase`` subclasses which raise an exception during ``__init__``.


- `3804 &lt;https://github.com/pytest-dev/pytest/issues/3804&gt;`_: Fix traceback reporting for exceptions with ``__cause__`` cycles.



Improved Documentation
----------------------

- `3746 &lt;https://github.com/pytest-dev/pytest/issues/3746&gt;`_: Add documentation for ``metafunc.config`` that had been mistakenly hidden.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest
  - Changelog: https://pyup.io/changelogs/pytest/
  - Homepage: http://pytest.org
</details>

cmccandless added a commit to cmccandless/tools that referenced this issue Aug 20, 2018

Update pytest to 3.7.2 (#25)
This PR updates [pytest](https://pypi.org/project/pytest) from **3.7.1** to **3.7.2**.



<details>
  <summary>Changelog</summary>
  
  
   ### 3.7.2
   ```
   =========================

Bug Fixes
---------

- `3671 &lt;https://github.com/pytest-dev/pytest/issues/3671&gt;`_: Fix ``filterwarnings`` not being registered as a builtin mark.


- `3768 &lt;https://github.com/pytest-dev/pytest/issues/3768&gt;`_, `3789 &lt;https://github.com/pytest-dev/pytest/issues/3789&gt;`_: Fix test collection from packages mixed with normal directories.


- `3771 &lt;https://github.com/pytest-dev/pytest/issues/3771&gt;`_: Fix infinite recursion during collection if a ``pytest_ignore_collect`` hook returns ``False`` instead of ``None``.


- `3774 &lt;https://github.com/pytest-dev/pytest/issues/3774&gt;`_: Fix bug where decorated fixtures would lose functionality (for example ``mock.patch``).


- `3775 &lt;https://github.com/pytest-dev/pytest/issues/3775&gt;`_: Fix bug where importing modules or other objects with prefix ``pytest_`` prefix would raise a ``PluginValidationError``.


- `3788 &lt;https://github.com/pytest-dev/pytest/issues/3788&gt;`_: Fix ``AttributeError`` during teardown of ``TestCase`` subclasses which raise an exception during ``__init__``.


- `3804 &lt;https://github.com/pytest-dev/pytest/issues/3804&gt;`_: Fix traceback reporting for exceptions with ``__cause__`` cycles.



Improved Documentation
----------------------

- `3746 &lt;https://github.com/pytest-dev/pytest/issues/3746&gt;`_: Add documentation for ``metafunc.config`` that had been mistakenly hidden.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest
  - Changelog: https://pyup.io/changelogs/pytest/
  - Homepage: http://pytest.org
</details>

cmccandless added a commit to cmccandless/multisite that referenced this issue Aug 20, 2018

Update pytest to 3.7.2 (#8)
This PR updates [pytest](https://pypi.org/project/pytest) from **3.6.4** to **3.7.2**.



<details>
  <summary>Changelog</summary>
  
  
   ### 3.7.2
   ```
   =========================

Bug Fixes
---------

- `3671 &lt;https://github.com/pytest-dev/pytest/issues/3671&gt;`_: Fix ``filterwarnings`` not being registered as a builtin mark.


- `3768 &lt;https://github.com/pytest-dev/pytest/issues/3768&gt;`_, `3789 &lt;https://github.com/pytest-dev/pytest/issues/3789&gt;`_: Fix test collection from packages mixed with normal directories.


- `3771 &lt;https://github.com/pytest-dev/pytest/issues/3771&gt;`_: Fix infinite recursion during collection if a ``pytest_ignore_collect`` hook returns ``False`` instead of ``None``.


- `3774 &lt;https://github.com/pytest-dev/pytest/issues/3774&gt;`_: Fix bug where decorated fixtures would lose functionality (for example ``mock.patch``).


- `3775 &lt;https://github.com/pytest-dev/pytest/issues/3775&gt;`_: Fix bug where importing modules or other objects with prefix ``pytest_`` prefix would raise a ``PluginValidationError``.


- `3788 &lt;https://github.com/pytest-dev/pytest/issues/3788&gt;`_: Fix ``AttributeError`` during teardown of ``TestCase`` subclasses which raise an exception during ``__init__``.


- `3804 &lt;https://github.com/pytest-dev/pytest/issues/3804&gt;`_: Fix traceback reporting for exceptions with ``__cause__`` cycles.



Improved Documentation
----------------------

- `3746 &lt;https://github.com/pytest-dev/pytest/issues/3746&gt;`_: Add documentation for ``metafunc.config`` that had been mistakenly hidden.
   ```
   
  
  
   ### 3.7.1
   ```
   =========================

Bug Fixes
---------

- `3473 &lt;https://github.com/pytest-dev/pytest/issues/3473&gt;`_: Raise immediately if ``approx()`` is given an expected value of a type it doesn&#39;t understand (e.g. strings, nested dicts, etc.).


- `3712 &lt;https://github.com/pytest-dev/pytest/issues/3712&gt;`_: Correctly represent the dimensions of an numpy array when calling ``repr()`` on ``approx()``.

- `3742 &lt;https://github.com/pytest-dev/pytest/issues/3742&gt;`_: Fix incompatibility with third party plugins during collection, which produced the error ``object has no attribute &#39;_collectfile&#39;``.

- `3745 &lt;https://github.com/pytest-dev/pytest/issues/3745&gt;`_: Display the absolute path if ``cache_dir`` is not relative to the ``rootdir`` instead of failing.


- `3747 &lt;https://github.com/pytest-dev/pytest/issues/3747&gt;`_: Fix compatibility problem with plugins and the warning code issued by fixture functions when they are called directly.


- `3748 &lt;https://github.com/pytest-dev/pytest/issues/3748&gt;`_: Fix infinite recursion in ``pytest.approx`` with arrays in ``numpy&lt;1.13``.


- `3757 &lt;https://github.com/pytest-dev/pytest/issues/3757&gt;`_: Pin pathlib2 to ``&gt;=2.2.0`` as we require ``__fspath__`` support.


- `3763 &lt;https://github.com/pytest-dev/pytest/issues/3763&gt;`_: Fix ``TypeError`` when the assertion message is ``bytes`` in python 3.
   ```
   
  
  
   ### 3.7.0
   ```
   =========================

Deprecations and Removals
-------------------------

- `2639 &lt;https://github.com/pytest-dev/pytest/issues/2639&gt;`_: ``pytest_namespace`` has been deprecated.

  See the documentation for ``pytest_namespace`` hook for suggestions on how to deal
  with this in plugins which use this functionality.


- `3661 &lt;https://github.com/pytest-dev/pytest/issues/3661&gt;`_: Calling a fixture function directly, as opposed to request them in a test function, now issues a ``RemovedInPytest4Warning``. It will be changed into an error in pytest ``4.0``.

  This is a great source of confusion to new users, which will often call the fixture functions and request them from test functions interchangeably, which breaks the fixture resolution model.



Features
--------

- `2283 &lt;https://github.com/pytest-dev/pytest/issues/2283&gt;`_: New ``package`` fixture scope: fixtures are finalized when the last test of a *package* finishes. This feature is considered **experimental**, so use it sparingly.


- `3576 &lt;https://github.com/pytest-dev/pytest/issues/3576&gt;`_: ``Node.add_marker`` now supports an ``append=True/False`` parameter to determine whether the mark comes last (default) or first.


- `3579 &lt;https://github.com/pytest-dev/pytest/issues/3579&gt;`_: Fixture ``caplog`` now has a ``messages`` property, providing convenient access to the format-interpolated log messages without the extra data provided by the formatter/handler.


- `3610 &lt;https://github.com/pytest-dev/pytest/issues/3610&gt;`_: New ``--trace`` option to enter the debugger at the start of a test.


- `3623 &lt;https://github.com/pytest-dev/pytest/issues/3623&gt;`_: Introduce ``pytester.copy_example`` as helper to do acceptance tests against examples from the project.



Bug Fixes
---------

- `2220 &lt;https://github.com/pytest-dev/pytest/issues/2220&gt;`_: Fix a bug where fixtures overridden by direct parameters (for example parametrization) were being instantiated even if they were not being used by a test.


- `3695 &lt;https://github.com/pytest-dev/pytest/issues/3695&gt;`_: Fix ``ApproxNumpy`` initialisation argument mixup, ``abs`` and ``rel`` tolerances were flipped causing strange comparsion results.
  Add tests to check ``abs`` and ``rel`` tolerances for ``np.array`` and test for expecting ``nan`` with ``np.array()``


- `980 &lt;https://github.com/pytest-dev/pytest/issues/980&gt;`_: Fix truncated locals output in verbose mode.



Improved Documentation
----------------------

- `3295 &lt;https://github.com/pytest-dev/pytest/issues/3295&gt;`_: Correct the usage documentation of ``--last-failed-no-failures`` by adding the missing ``--last-failed`` argument in the presented examples, because they are misleading and lead to think that the missing argument is not needed.



Trivial/Internal Changes
------------------------

- `3519 &lt;https://github.com/pytest-dev/pytest/issues/3519&gt;`_: Now a ``README.md`` file is created in ``.pytest_cache`` to make it clear why the directory exists.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest
  - Changelog: https://pyup.io/changelogs/pytest/
  - Homepage: http://pytest.org
</details>

bors bot added a commit to rehandalal/therapist that referenced this issue Aug 20, 2018

Merge #28
28: Update pytest to 3.7.2 r=rehandalal a=pyup-bot


This PR updates [pytest](https://pypi.org/project/pytest) from **3.7.1** to **3.7.2**.



<details>
  <summary>Changelog</summary>
  
  
   ### 3.7.2
   ```
   =========================

Bug Fixes
---------

- `3671 &lt;https://github.com/pytest-dev/pytest/issues/3671&gt;`_: Fix ``filterwarnings`` not being registered as a builtin mark.


- `3768 &lt;https://github.com/pytest-dev/pytest/issues/3768&gt;`_, `3789 &lt;https://github.com/pytest-dev/pytest/issues/3789&gt;`_: Fix test collection from packages mixed with normal directories.


- `3771 &lt;https://github.com/pytest-dev/pytest/issues/3771&gt;`_: Fix infinite recursion during collection if a ``pytest_ignore_collect`` hook returns ``False`` instead of ``None``.


- `3774 &lt;https://github.com/pytest-dev/pytest/issues/3774&gt;`_: Fix bug where decorated fixtures would lose functionality (for example ``mock.patch``).


- `3775 &lt;https://github.com/pytest-dev/pytest/issues/3775&gt;`_: Fix bug where importing modules or other objects with prefix ``pytest_`` prefix would raise a ``PluginValidationError``.


- `3788 &lt;https://github.com/pytest-dev/pytest/issues/3788&gt;`_: Fix ``AttributeError`` during teardown of ``TestCase`` subclasses which raise an exception during ``__init__``.


- `3804 &lt;https://github.com/pytest-dev/pytest/issues/3804&gt;`_: Fix traceback reporting for exceptions with ``__cause__`` cycles.



Improved Documentation
----------------------

- `3746 &lt;https://github.com/pytest-dev/pytest/issues/3746&gt;`_: Add documentation for ``metafunc.config`` that had been mistakenly hidden.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest
  - Changelog: https://pyup.io/changelogs/pytest/
  - Homepage: http://pytest.org
</details>



Co-authored-by: pyup-bot <github-bot@pyup.io>
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