Support for Python 3.13 and Ruff

.github/workflows/main.yml

@@ -7,28 +7,28 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python 3.12
-        uses: actions/setup-python@v4
+      - name: Set up Python 3.13
+        uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: 3.13
       - name: Setup and install tools
         run: |
-          python -m pip install --upgrade black flake8
-      - name: black format check
-        run: python -m black --check --line-length 120 pandoc_plantuml_filter.py tests
-      - name: flake8 format check
-        run: python -m flake8 --max-line-length 120 pandoc_plantuml_filter.py tests
+          python -m pip install --upgrade ruff
+      - name: format check
+        run: python -m ruff format --check
+      - name: lint check
+        run: python -m ruff check
   test:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.12]
+        python-version: [3.8, 3.13]
 
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Setup build and test environment

pandoc_plantuml_filter.py

@@ -7,11 +7,10 @@
 """
 
 import os
-import sys
 import subprocess
+import sys
 
-from pandocfilters import toJSONFilter, Para, Image
-from pandocfilters import get_filename4code, get_caption, get_extension
+from pandocfilters import Image, Para, get_caption, get_extension, get_filename4code, toJSONFilter
 
 PLANTUML_BIN = os.environ.get("PLANTUML_BIN", "plantuml")
 
@@ -66,7 +65,7 @@ def plantuml(key, value, format_, meta):
                 with open(src, "wb") as f:
                     f.write(txt)
 
-                subprocess.check_call(PLANTUML_BIN.split() + ["-t" + filetype, src])
+                subprocess.check_call([*PLANTUML_BIN.split(), "-t" + filetype, src])
                 sys.stderr.write("Created image " + dest + "\n")
 
             # Update symlink each run

pyproject.toml

@@ -24,6 +24,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation",
     "Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Software Development :: Libraries :: Python Modules",
@@ -36,4 +37,9 @@ dynamic = ["version"]
 [project.scripts]
 pandoc-plantuml = "pandoc_plantuml_filter:main"
 
+[tool.ruff]
+line-length = 120
+# Rule descriptions: https://docs.astral.sh/ruff/rules/
+lint.select = ["I", "E", "B", "F", "W", "N", "C4", "C90", "ARG", "PL", "RUF", "UP"]
+
 [tool.setuptools_scm]

tests/test_integration.py

@@ -1,7 +1,6 @@
 import os
 import re
 import subprocess
-
 from pathlib import Path
 
 import pytest
@@ -39,7 +38,7 @@ def test_digrams(tmp_path, filename, expected_content, expected_files):
     input_file = str(__TEST_BASE_DIR__ / f"{filename}.md")
     output_file = str(tmp_path / f"{filename}.tex")
 
-    cmd = subprocess.run(["pandoc", input_file, "-o", output_file, "--filter", "pandoc-plantuml"])
+    cmd = subprocess.run(["pandoc", input_file, "-o", output_file, "--filter", "pandoc-plantuml"], check=False)
     assert cmd.returncode == 0
 
     with open(output_file) as f:
@@ -56,7 +55,7 @@ def test_filetype_param_from_meta(tmp_path):
     input_file = str(__TEST_BASE_DIR__ / "single-diagram-with-meta.md")
     output_file = str(tmp_path / "single-diagram-with-meta.tex")
 
-    cmd = subprocess.run(["pandoc", input_file, "-o", output_file, "--filter", "pandoc-plantuml"])
+    cmd = subprocess.run(["pandoc", input_file, "-o", output_file, "--filter", "pandoc-plantuml"], check=False)
     assert cmd.returncode == 0
 
     with open(output_file) as f:
@@ -72,7 +71,7 @@ def test_filetype_metadata_is_overridden_from_cli(tmp_path):
     output_file = str(tmp_path / "single-diagram-with-meta.tex")
     args = ["--metadata=plantuml-format:jpg"]
 
-    cmd = subprocess.run(["pandoc", input_file, "-o", output_file, "--filter", "pandoc-plantuml"] + args)
+    cmd = subprocess.run(["pandoc", input_file, "-o", output_file, "--filter", "pandoc-plantuml", *args], check=False)
     assert cmd.returncode == 0
 
     with open(output_file) as f: