Update tox inis

- Change the structure of the tox.ini files to fit to pdm structure

src/tox.ini

 [tox]
 requires =
     tox>=4
-env_list = flake8, ruff, ruff_format, migrations, django-test
 
-[hub]
-setenv=
-    ALLOWED_HOSTS={env:ALLOWED_HOSTS}
-    DATABASE_URL={env:DATABASE_URL}
-    DJANGO_DEBUG=I_KNOW_WHAT_I_AM_DOING
-    DJANGO_SETTINGS_MODULE=hub.settings.test
-    DISABLE_REQUEST_LOGGING=True
-    HUB_DB_SCHEMA={env:HUB_SCHEMA}
-    SERVE_API=True
-    SERVE_BACKOFFICE=True
-    SERVE_FRONTEND=True
-    SSO_SECRET_GENERATE=True
-    STORAGE_TYPE=local
-    USE_PLAIN_STATICFILES=True
-    METRICS_SERVER_IPS="127.0.0.1,localhost"
-    # This needs to be set here in order to test the badge rate limit
-    BADGE_RATE_LIMIT=1/h
-
-[testenv:flake8]
-skip_install = true
-sitepackages = true
-allowlist_externals=
-    flake8
-commands =
-    flake8 .
-
-[testenv:ruff]
-skip_install = true
-sitepackages = true
-allowlist_externals=
-    ruff
-commands =
-    ruff .
-
-[testenv:ruff_format]
-skip_install = true
-sitepackages = true
-allowlist_externals=
-    ruff
-commands =
-    ruff format . --diff
-
-[testenv:app_version]
-system_site_packages = true
-setenv =
-    {[hub]setenv}
-allowlist_externals =
-    ./manage.py
-commands =
-    ./manage.py appversion
-
-[testenv:migrations]
-system_site_packages = true
-setenv =
-    {[hub]setenv}
-allowlist_externals =
-    ./manage.py
-commands =
-    ./manage.py makemigrations --dry-run
-    ./manage.py makemigrations --check
-
-[testenv:django-test]
-system_site_packages = true
-setenv =
-    {[hub]setenv}
-    PYTHONWARNINGS=always
-allowlist_externals =
-    ./manage.py
-    coverage
-commands =
-    coverage run ./manage.py test -v 2 {posargs}
-    coverage xml -i
-    coverage report
-
-[testenv:django-test-no-coverage]
-system_site_packages = true
-setenv =
-    {[hub]setenv}
-allowlist_externals =
-    ./manage.py
-commands =
-    ./manage.py test -v 2 {posargs}
 
 [testenv:django-full]
 system_site_packages = true
@@ -101,27 +18,9 @@ commands =
     coverage run ./manage.py test -v 2 {posargs}
     coverage report
 
-[flake8]
-max-line-length = 160
-per-file-ignores =
-    ./*/migrations/*:E501
-    ./hub/settings/*:F403,F405
-    ./*/tests.py:F401
-ignore = E203, W503, W191, E111, E114, E117, D206, D300, Q000, Q001, Q002, Q003, COM812, COM819, ISC001, ISC002
-
 [coverage:run]
-data_file = .coverage/coverage
+data_file = ../.tools/coverage/coverage
 dynamic_context = test_function
 omit =
     */migrations/*
 branch=true
-
-[coverage:report]
-skip_covered=true
-show_missing=true
-
-[coverage:xml]
-output = .coverage/coverage.xml
-
-[coverage:html]
-directory = .coverage/html_report

tox.ini

 [tox]
 requires =
     tox>=4
-env_list = ruff, ruff_format
+env_list = py-lint, py-format, migrations, django-test, coverage-report
+work_dir = .tools/tox
 
-[testenv:ruff]
+[hub]
+setenv=
+    ALLOWED_HOSTS={env:ALLOWED_HOSTS}
+    DATABASE_URL={env:DATABASE_URL}
+    DJANGO_DEBUG=I_KNOW_WHAT_I_AM_DOING
+    DJANGO_SETTINGS_MODULE=hub.settings.test
+    DISABLE_REQUEST_LOGGING=True
+    HUB_DB_SCHEMA={env:HUB_SCHEMA}
+    SERVE_API=True
+    SERVE_BACKOFFICE=True
+    SERVE_FRONTEND=True
+    SSO_SECRET_GENERATE=True
+    STORAGE_TYPE=local
+    USE_PLAIN_STATICFILES=True
+    METRICS_SERVER_IPS="127.0.0.1,localhost"
+
+[testenv]
 skip_install = true
-sitepackages = true
+
+[testenv:py-lint]
+groups = lint
+commands = ruff .
+
+[testenv:py-format]
+groups = lint
+commands = ruff format . --diff
+
+[testenv:migrations]
+groups = dev
+change_dir = {toxinidir}/src
+setenv =
+    {[hub]setenv}
 allowlist_externals =
-    ruff
+    ./manage.py
 commands =
-    ruff .
+    ./manage.py makemigrations --dry-run
+    ./manage.py makemigrations --check
 
-[testenv:ruff_format]
-skip_install = true
-sitepackages = true
-allowlist_externals=
-    ruff
+[testenv:django-test]
+groups = dev
+change_dir = {toxinidir}/src
+setenv =
+    {[hub]setenv}
+    PYTHONWARNINGS=always
 commands =
-    ruff format . --diff
+    coverage run ./manage.py test -v 2 {posargs}
 
-[flake8]
-max-line-length = 160
-per-file-ignores =
-    ./core/migrations/*:E501
-    ./hub/settings/*:F403,F405
-    ./*/tests.py:F401
-ignore = E203, W503, W191, E111, E114, E117, D206, D300, Q000, Q001, Q002, Q003, COM812, COM819, ISC001, ISC002
+[testenv:live-test]
+groups = dev
+change_dir = {toxinidir}
+setenv =
+    {[hub]setenv}
+    PYTHONWARNINGS=always
+    SERVE_API=yes
+commands =
+    python -m unittest {posargs}
+
+[testenv:coverage-report]
+deps = coverage
+commands =
+    coverage report
+    coverage xml
+    coverage html
 
 [coverage:run]
-data_file = src/.coverage/coverage
+data_file = .tools/coverage/coverage
+dynamic_context = test_function
+omit =
+    */migrations/*
+branch=true
+
+[coverage:report]
+show_missing=true
 
 [coverage:paths]
 src=
@@ -36,4 +84,7 @@ src=
     /app/
 
 [coverage:xml]
-output = coverage.xml
+output = .tools/coverage/coverage.xml
+
+[coverage:html]
+directory = .tools/coverage/html