test_color_brewer_extendability is very very slow

@Conengmo ci sta già lavorando.

Dal 15/3/2025.

#193 di @Conengmo — aperta

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.

python3 -sBm build -w --no-isolation
because I'm calling build with --no-isolation I'm using during all processes only locally installed modules
install .whl file in </install/prefix> using installer module
run pytest with $PYTHONPATH pointing to sitearch and sitelib inside </install/prefix>
build is performed in env which is cut off from access to the public network (pytest is executed with -m "not network")

Here is pytest output:

+ PYTHONPATH=/home/tkloczko/rpmbuild/BUILDROOT/python-branca-0.8.0-2.fc37.x86_64/usr/lib64/python3.10/site-packages:/home/tkloczko/rpmbuild/BUILDROOT/python-branca-0.8.0-2.fc37.x86_64/usr/lib/python3.10/site-packages
+ /usr/bin/pytest -ra -m 'not network' -v
============================= test session starts ==============================
platform linux -- Python 3.10.14, pytest-8.2.2, pluggy-1.5.0 -- /usr/bin/python3
cachedir: .pytest_cache
rootdir: /home/tkloczko/rpmbuild/BUILD/branca-0.8.0
configfile: setup.cfg
collecting ... collected 37 items

tests/test_colormap.py::test_simple_step PASSED                          [  2%]
tests/test_colormap.py::test_simple_linear PASSED                        [  5%]
tests/test_colormap.py::test_step_color_indexing PASSED                  [  8%]
tests/test_colormap.py::test_step_color_indexing_larger_index PASSED     [ 10%]
tests/test_colormap.py::test_linear_color_indexing PASSED                [ 13%]
tests/test_colormap.py::test_linear_to_step PASSED                       [ 16%]
tests/test_colormap.py::test_step_to_linear PASSED                       [ 18%]
tests/test_colormap.py::test_linear_object PASSED                        [ 21%]
tests/test_colormap.py::test_step_object PASSED                          [ 24%]
tests/test_colormap.py::test_max_labels_linear[10-expected0] PASSED      [ 27%]
tests/test_colormap.py::test_max_labels_linear[5-expected1] PASSED       [ 29%]
tests/test_colormap.py::test_max_labels_linear[3-expected2] PASSED       [ 32%]
tests/test_colormap.py::test_max_labels_step[10-expected0] PASSED        [ 35%]
tests/test_colormap.py::test_max_labels_step[5-expected1] PASSED         [ 37%]
tests/test_colormap.py::test_max_labels_step[3-expected2] PASSED         [ 40%]
tests/test_iframe.py::test_create_empty_iframe PASSED                    [ 43%]
tests/test_iframe.py::test_create_iframe PASSED                          [ 45%]
tests/test_iframe.py::test_rendering_utf8_iframe FAILED                  [ 48%]
tests/test_iframe.py::test_rendering_figure_notebook FAILED              [ 51%]
tests/test_utilities.py::test_color_brewer_base PASSED                   [ 54%]
tests/test_utilities.py::test_color_brewer_reverse PASSED                [ 56%]
tests/test_utilities.py::test_color_brewer_extendability

List of installed modules in build env:

Package                       Version
----------------------------- -----------
alabaster                     0.7.16
attrs                         23.2.0
Babel                         2.15.0
build                         1.2.1
certifi                       2023.7.22
charset-normalizer            3.3.2
defusedxml                    0.7.1
distro                        1.9.0
docutils                      0.20.1
exceptiongroup                1.1.3
h11                           0.14.0
imagesize                     1.4.1
importlib_metadata            7.1.0
iniconfig                     2.0.0
installer                     0.7.0
Jinja2                        3.1.4
MarkupSafe                    2.1.5
numpy                         1.26.4
outcome                       1.2.0
packaging                     24.0
pluggy                        1.5.0
Pygments                      2.18.0
pyproject_hooks               1.0.0
pytest                        8.2.2
python-dateutil               2.9.0.post0
requests                      2.32.3
selenium                      4.21.0
setuptools                    69.4.0
setuptools-scm                8.1.0
sniffio                       1.3.0
snowballstemmer               2.2.0
sortedcontainers              2.4.0
Sphinx                        7.3.7
sphinxcontrib-applehelp       1.0.8
sphinxcontrib-devhelp         1.0.6
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
trio                          0.25.1
trio-websocket                0.11.1
typing_extensions             4.12.2
urllib3                       2.2.1
wheel                         0.43.0
wsproto                       1.2.0
zipp                          3.19.2

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

Inizia con tests/test_utilities.py::test_color_brewer_extendability ed eseguilo nella configurazione pytest offline indicata. Ispeziona la pull request #193 collegata e confronta i tempi di esecuzione del test e della suite completa senza rete; il lavoro è completato quando il test non si blocca più durante il ciclo di test di packaging indicato.

Scritto dal modello di indicizzazione a partire dal testo della issue.

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