Use nox instead of tox

This change modifies the strategy used by the project to use `nox`
instead of `tox` as the former better supports virtual environment
reuse.

Signed-off-by: Enji Cooper <[email protected]>

Author: ngie-eign

.github/workflows/main.yaml

@@ -8,11 +8,12 @@ on:
 
 jobs:
   build:
-
+    env:
+      DEFAULT_PYTHON: 3.12
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         architecture: ["x64"]
     steps:
     - uses: actions/checkout@v2
@@ -21,16 +22,7 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
         architecture: ${{ matrix.architecture }}
-    - name: Cache pip 3.8
-      if: matrix.python-version == 3.8
-      uses: actions/cache@v4
-      with:
-        # This path is specific to Ubuntu
-        path: ~/.cache/pip
-        restore-keys: |
-          ${{ runner.os }}-
     - name: Cache pip
-      if: matrix.python-version != 3.8
       env:
         PYO3_USE_ABI3_FORWARD_COMPATIBILITY: "1"
       uses: actions/cache@v4
@@ -43,23 +35,23 @@ jobs:
         # workaround for 3.12, SEE: https://github.com/pypa/setuptools/issues/3661#issuecomment-1813845177
         pip install --upgrade setuptools
     - name: Lint with flake8
-      if: matrix.python-version == 3.12
+      if: matrix.python-version == ${{ env.DEFAULT_PYTHON }}
       run: |
         # stop the build if there are Python syntax errors or undefined names
-        tox -e flake8 -- deepdiff --count --select=E9,F63,F7,F82 --show-source --statistics
+        nox -e flake8 -- deepdiff --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        tox -e flake8 -- deepdiff --count --exit-zero --max-complexity=26 --max-line-lengt=250 --statistics
+        nox -e flake8 -- deepdiff --count --exit-zero --max-complexity=26 --max-line-length=250 --statistics
     - name: Test with pytest and get the coverage
-      if: matrix.python-version == 3.12
+      if: matrix.python-version == ${{ env.DEFAULT_PYTHON }}
       run: |
-        tox -s -- --benchmark-disable --cov-report=xml --cov=deepdiff tests/ --runslow
+        nox -e pytest -s -- --benchmark-disable --cov-report=xml --cov=deepdiff tests/ --runslow
     - name: Test with pytest and no coverage report
-      if: matrix.python-version != 3.12
+      if: matrix.python-version != ${{ env.DEFAULT_PYTHON }}
       run: |
-        tox -s -- --benchmark-disable tests/
+        nox -e pytest -s -- --benchmark-disable tests/
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v4
-      if: matrix.python-version == 3.12
+      if: matrix.python-version == ${{ env.DEFAULT_PYTHON }}
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
       with:

noxfile.py

@@ -0,0 +1,49 @@
+"""nox configuration file."""
+
+# ruff: noqa: ANN001, D401
+
+import nox
+
+
+@nox.session
+def flake8(session) -> None:
+    """Run flake8."""
+    posargs = session.posargs if session.posargs else ["deepdiff"]
+    session.install(".[cli,dev,static]")
+    session.run(
+        "python",
+        "-m",
+        "flake8",
+        *posargs,
+    )
+
+
+@nox.session
+def mypy(session) -> None:
+    """Run mypy."""
+    posargs = session.posargs if session.posargs else ["deepdiff"]
+    session.install(".[cli,dev,static]")
+    session.run(
+        "python",
+        "-m",
+        "mypy",
+        "--install-types",
+        "--non-interactive",
+        *posargs,
+    )
+
+
+@nox.session(python=["3.9", "3.10", "3.11", "3.12", "3.13"])
+def pytest(session) -> None:
+    """Test with pytest."""
+    posargs = session.posargs if session.posargs else ["-vv", "tests"]
+    session.install(".[cli,dev,static,test]")
+    session.run(
+        "python",
+        "-m",
+        "pytest",
+        "--cov=deepdiff",
+        "--cov-report",
+        "term-missing",
+        *posargs,
+    )

pyproject.toml

@@ -102,46 +102,3 @@ packages = ["deepdiff"]
 
 [tool.setuptools.package-metadata]
 deepdiff = ["py.typed"]
-
-[tool.tox]
-legacy_tox_ini = """
-[tox]
-min_version = 4.0
-env_list =
-    flake8
-    # XXX: this needs work.
-    #mypy
-    py39
-    py310
-    py311
-    py312
-    py313
-
-[testenv]
-deps =
-    .[cli]
-    .[coverage]
-    .[dev]
-    .[static]
-    .[test]
-commands =
-    python -m pytest --cov=deepdiff --cov-report term-missing {posargs:-vv tests}
-
-[testenv:flake8]
-deps =
-    .[cli]
-    .[dev]
-    .[static]
-commands =
-    python -m flake8 {posargs:deepdiff}
-
-[testenv:mypy]
-deps =
-    .[cli]
-    .[dev]
-    .[static]
-    .[test]
-    mypy
-commands =
-    python -m mypy --install-types --non-interactive {posargs:deepdiff}
-"""