testing up to 3.14 and 3.14t

.github/workflows/main.yml

@@ -22,7 +22,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.13t"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"]
+        include:
+          #- os: macos-latest
+          #  python-version: "3.14"
+          - os: windows-latest
+            python-version: "3.14"
 
     steps:
     - name: Checkout
@@ -36,22 +41,29 @@ jobs:
     - name: Install package with test dependencies
       run: pip install .[test]
 
-    - name: Test installation with nbdime
-      if: ${{ matrix.python-version != '3.9' }}
-      run: pytest -v --nbdime
-
     - name: Test installation without nbdime
-      if: ${{ matrix.python-version == '3.9' }}
       run: pytest -v
 
     - name: Test flake8
+      if: ${{ matrix.python-version == '3.14' }}
       run: flake8 matplotlib_inline --ignore=E501,W504,W503
 
     - name: Install ruff
-      run: mamba install ruff
+      if: ${{ matrix.python-version == '3.14' }}
+      run: pip   install ruff
 
     - name: Check code with ruff
+      if: ${{ matrix.python-version == '3.14' }}
       run: ruff check matplotlib_inline
 
     - name: Check formatting with ruff
+      if: ${{ matrix.python-version == '3.14' }}
       run: ruff format matplotlib_inline --check
+
+    - name: install Mypy
+      if: ${{ matrix.python-version == '3.14' }}
+      run : pip install mypy matplotlib
+
+    - name: run mypy
+      if: ${{ matrix.python-version == '3.14' }}
+      run: mypy .

matplotlib_inline/backend_inline.py

@@ -4,17 +4,16 @@
 # Distributed under the terms of the BSD 3-Clause License.
 
 import matplotlib
+from IPython.core.getipython import get_ipython
+from IPython.core.interactiveshell import InteractiveShell
+from IPython.core.pylabtools import select_figure_formats
+from IPython.display import display
 from matplotlib import colors
+from matplotlib._pylab_helpers import Gcf
 from matplotlib.backends import backend_agg
 from matplotlib.backends.backend_agg import FigureCanvasAgg
-from matplotlib._pylab_helpers import Gcf
 from matplotlib.figure import Figure
 
-from IPython.core.interactiveshell import InteractiveShell
-from IPython.core.getipython import get_ipython
-from IPython.core.pylabtools import select_figure_formats
-from IPython.display import display
-
 from .config import InlineBackend
 
 
@@ -101,9 +100,9 @@ def show(close=None, block=None):
 
 
 # This flag will be reset by draw_if_interactive when called
-show._draw_called = False
+show._draw_called = False  # type: ignore[attr-defined]
 # list of figures to draw when flush_figures is called
-show._to_draw = []
+show._to_draw = []  # type: ignore[attr-defined]
 
 
 def flush_figures():

matplotlib_inline/config.py

@@ -6,8 +6,8 @@
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the BSD 3-Clause License.
 
+from traitlets import Bool, Dict, Instance, Set, TraitError, Unicode
 from traitlets.config.configurable import SingletonConfigurable
-from traitlets import Dict, Instance, Set, Bool, TraitError, Unicode
 
 
 # Configurable for inline backend options

pyproject.toml

@@ -72,3 +72,17 @@ filterwarnings = ["error"]
 testpaths = [
     "tests",
 ]
+
+[tool.mypy]
+strict=false
+warn_unreachable=true
+enable_error_code = ["ignore-without-code", "redundant-expr", "truthy-bool"]
+
+[tool.ruff]
+
+[tool.ruff.lint]
+extend-select = [
+  "UP",  # pyupgrade
+  "I",  # isort
+  "B",  # flake8-bugbear
+]