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tox: add skip_missing_interpreters=true

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https://tox.readthedocs.io/en/latest/config.html#conf-skip_missing_interpreters

Runing `tox` with no options runs the tests agaist all the python
environments listed in the `tox.ini`'s `envlist` (currently 3.6, 3.7 and 3.8).

Before this change, if any of these versions was not available, tox would exit with an error. Now it will simply continue (with a warning).

This can be useful when on a developer box, one might only have a subset of all our supported interpreters installed but we don’t want to mark the build as failed because of it.

Note that on the CI I am passing the opposite command line switch to override this setting, because there I want to make sure none of the specified interpreters is skipped.
This commit is contained in:
Cosimo Lupo 2020-05-15 10:06:27 +01:00
parent 847c31c4f2
commit c1f6b4d0f1
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GPG Key ID: 179A8F0895A02F4F
3 changed files with 6 additions and 5 deletions
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4
.travis/run.sh
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@ -7,7 +7,7 @@ if [ "$TRAVIS_OS_NAME" == "osx" ]; then
source .venv/bin/activate
fi
tox
tox --skip-missing-interpreters false
# re-run all the XML-related tests, this time without lxml but using the
# built-in ElementTree library.
@ -17,4 +17,4 @@ else
# strip additional tox envs after the comma, add -nolxml factor
TOXENV="${TOXENV%,*}-nolxml"
fi
tox -e $TOXENV -- Tests/ufoLib Tests/misc/etree_test.py Tests/misc/plistlib_test.py
tox --skip-missing-interpreters false -e $TOXENV -- Tests/ufoLib Tests/misc/etree_test.py Tests/misc/plistlib_test.py

6
Doc/source/developer.rst
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@ -50,9 +50,9 @@ environments::
.. note::
When you run ``tox`` without arguments, the tests are executed for all the environments listed in the ``tox.ini`` ``envlist``. The current Python interpreters defined for tox testing must be available on your system ``PATH``.
When you run ``tox`` without arguments, the tests are executed for all the environments listed in the ``tox.ini`` ``envlist``. The Python versions that are not available on your system ``PATH`` will be skipped.
You can specify a different testing environment list via the ``-e`` option, or the ``TOXENV`` environment variable::
You can specify a specific testing environment list via the ``-e`` option, or the ``TOXENV`` environment variable::
tox -e py36
TOXENV="py36-cov,htmlcov" tox
@ -112,4 +112,4 @@ License
:target: https://pypi.org/project/FontTools
.. |Gitter Chat| image:: https://badges.gitter.im/fonttools-dev/Lobby.svg
:alt: Join the chat at https://gitter.im/fonttools-dev/Lobby
:target: https://gitter.im/fonttools-dev/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
:target: https://gitter.im/fonttools-dev/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge

1
tox.ini
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@ -1,6 +1,7 @@
[tox]
minversion = 3.0
envlist = py3{6,7,8}-cov, htmlcov
skip_missing_interpreters=true
[testenv]
setenv =