Fix installing dependencies for tox

Also removes building docs from CI which is already handled by
readthedocs even on pull requests.

.github/workflows/gating.yaml

@@ -34,12 +34,10 @@ jobs:
             libsasl2-dev
 
       - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install poetry tox tox-gh-actions
+        run: python -m pip install tox
 
       - name: Test with tox
-        run: tox -e py
+        run: python -m tox -e py3
 
       - name: Run coveralls-python
         env:
@@ -52,14 +50,6 @@ jobs:
           pip3 install --upgrade coveralls==3.2.0
           coveralls --service=github
 
-      - name: Set up Python for documentation build
-        uses: actions/setup-python@v4
-        with:
-          python-version: "3.8"
-
-      - name: Test building documentation with tox
-        run: tox -e docs
-
   coveralls-finish:
     name: Finish coveralls-python
     needs: tests
@@ -139,7 +129,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install poetry tox tox-gh-actions podman-compose
+          pip install poetry podman-compose
 
       - name: Update the Application Version
         run: poetry version "$(./get-version.sh)"

pyproject.toml

@@ -71,11 +71,9 @@ fedora-messaging = "^3.4.1"
 "stomp.py" = "^8.1.0"
 
 # Tests
-flake8 = {version = "^5.0.4", optional = true}
 pytest = {version = "^8.0.2", optional = true}
 pytest-cov = {version = "^4.0.0", optional = true}
 mock = {version = "^5.1.0", optional = true}
-tox = {version = "^4.13.0", optional = true}
 
 # Tracing
 opentelemetry-api = "^1.24.0"
@@ -93,7 +91,6 @@ flask-restx = "^1.3.0"
 
 [tool.poetry.extras]
 test = [
-    "flake8",
     "pytest",
     "pytest-cov",
     "mock",

tox.ini

@@ -1,10 +1,16 @@
 [tox]
 envlist = bandit,lint,py3,docs
-isolated_build = True
+requires =
+    poetry
 
 [testenv]
-extras =
-    test
+allowlist_externals = poetry
+skip_install = true
+no_package = true
+
+[testenv:py3]
+commands_pre =
+    poetry install --only=main --extras=test
 commands =
     pytest \
         --cov-reset \
@@ -16,7 +22,6 @@ commands =
         {posargs}
 
 [testenv:bandit]
-skip_install = true
 deps =
     bandit
 commands =
@@ -28,8 +33,8 @@ commands =
 # Same Python version as in .readthedocs.yaml
 basepython = python3.11
 changedir = docs
-extras =
-    docs
+commands_pre =
+    poetry install --only=main --extras=docs
 allowlist_externals =
     mkdir
     rm
@@ -39,7 +44,6 @@ commands=
     sphinx-build -W -b html -d {envtmpdir}/doctrees .  _build/html
 
 [testenv:lint]
-skip_install = true
 deps =
     flake8
 commands =