Export poetry dependencies in Makefile to be able to use tox caching

Signed-off-by: Federico Busetti <729029+febus982@users.noreply.github.com>

Author: febus982

Makefile

@@ -35,6 +35,7 @@ update-dependencies:
 
 fix:  format-fix lint-fix
 check:
+	poetry export -f requirements.txt --output /tmp/requirements.txt --with dev
 	tox
 
 docs:

tox.ini

@@ -12,13 +12,14 @@ env_list =
     bandit
 
 [testenv]
-allowlist_externals = poetry, pytest
+; The file /tmp/requirements.txt is created automatically if you run tox
+; using `make check` command, otherwise manually run
+; `poetry export -f requirements.txt --output /tmp/requirements.txt --with dev`
 ; Poetry is really bad in identifying running virtualenvs, so we can't use
 ; directly poetry install. This is the best hacky way to install poetry
 ; requirements inside tox.
-commands_pre =
-    poetry export -f requirements.txt --output /tmp/requirements.txt --with dev
-    pip install -Uqr /tmp/requirements.txt
+deps =
+    -r/tmp/requirements.txt
 commands =
     pytest
 
@@ -28,25 +29,17 @@ commands =
     pytest --cov
 
 [testenv:typing]
-allowlist_externals = poetry, mypy
-; commands_pre is inherited from testenv
 commands =
     mypy
 
 [testenv:format]
-allowlist_externals = poetry, black
-; commands_pre is inherited from testenv
 commands =
     black --check .
 
 [testenv:lint]
-allowlist_externals = poetry, ruff
-; commands_pre is inherited from testenv
 commands =
     ruff .
 
 [testenv:bandit]
-allowlist_externals = poetry, bandit
-; commands_pre is inherited from testenv
 commands =
     bandit -c .bandit.yml -r .