Use ruff instead of flake8, run black

.github/workflows/main.yml

@@ -34,8 +34,10 @@ jobs:
         extra-specs: |
           python=${{ matrix.python_version }}
 
-    - name: Flake8
-      run: python -m flake8 voici setup.py
+    - name: Lint (Python)
+      run: |
+        python -m ruff check .
+        python -m black --check .
 
     - name: Install voici
       run: pip install .

docs/source/conf.py

@@ -2,8 +2,11 @@
 
 # Add dev disclaimer.
 _release = {}
-exec(compile(open('../../voici/_version.py').read(), '../../voici/_version.py', 'exec'), _release)
-if _release['version_info'][-1] == 'dev':
+exec(
+    compile(open("../../voici/_version.py").read(), "../../voici/_version.py", "exec"),
+    _release,
+)
+if _release["version_info"][-1] == "dev":
     rst_prolog = """
     .. note::
 
@@ -12,40 +15,38 @@
 
     """
 
-on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
+on_rtd = os.environ.get("READTHEDOCS", None) == "True"
 
 html_theme = "pydata_sphinx_theme"
-html_theme_options = dict(
-    github_url='https://github.com/voila-dashboards/voici'
-)
+html_theme_options = dict(github_url="https://github.com/voila-dashboards/voici")
 
 
 def setup(app):
     app.add_css_file("main_stylesheet.css")
 
 
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.intersphinx',
-    'sphinx.ext.napoleon',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.napoleon",
 ]
 
-html_static_path = ['_static']
-source_suffix = '.rst'
-master_doc = 'index'
-project = 'voici'
-copyright = u'2020, The Voilà Development Team'
-author = u'The Voilà Development Team'
-version = '.'.join(map(str, _release['version_info'][:2]))
-release = _release['__version__']
+html_static_path = ["_static"]
+source_suffix = ".rst"
+master_doc = "index"
+project = "voici"
+copyright = "2020, The Voilà Development Team"
+author = "The Voilà Development Team"
+version = ".".join(map(str, _release["version_info"][:2]))
+release = _release["__version__"]
 language = None
 
-html_logo = 'voila-logo.svg'
+html_logo = "voila-logo.svg"
 
 exclude_patterns = []
-highlight_language = 'python'
-pygments_style = 'sphinx'
+highlight_language = "python"
+pygments_style = "sphinx"
 todo_include_todos = False
-htmlhelp_basename = 'voicidoc'
+htmlhelp_basename = "voicidoc"
 
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {"https://docs.python.org/": None}

environment.yml

@@ -3,9 +3,10 @@ channels:
   - conda-forge
 dependencies:
   - pip
+  - black
   - yarn=1
-  - flake8
   - pip:
+    - ruff==0.0.258
     - voila>=0.5.0a3,<0.6.0
     - voila-material>=0.4.3
     - jupyterlite-core[lab]>=0.1.0b20,<0.2.0

pyproject.toml

@@ -44,8 +44,8 @@ file = "LICENSE"
 [project.optional-dependencies]
 dev = [
     "black",
+    "ruff==0.0.258",
     "hatch",
-    "jupyter_releaser",
 ]
 
 [project.scripts]
@@ -119,3 +119,7 @@ version-cmd = "python scripts/bump-version.py"
 
 [tool.check-wheel-contents]
 ignore = ["W002"]
+
+[tool.ruff]
+target-version = "py38"
+line-length = 100

voici/addon.py

@@ -81,7 +81,8 @@ def setup_template_dirs(self):
         self.jinja2_env.install_gettext_translations(nbui, newstyle=False)
 
     def post_build(self, manager):
-        """copies the Voici application files to the JupyterLite output and generate static dashboards."""
+        """Copies the Voici application files to the JupyterLite output
+        and generate static dashboards."""
 
         # Do nothing if Voici is disabled
         if not self.manager.apps or (
@@ -113,8 +114,7 @@ def post_build(self, manager):
 
         # Convert Notebooks content into static dashboards
         tree_exporter = VoiciTreeExporter(
-            jinja2_env=self.jinja2_env,
-            voici_configuration=self.voici_configuration
+            jinja2_env=self.jinja2_env, voici_configuration=self.voici_configuration
         )
 
         for file_path, generate_file in tree_exporter.generate_contents(

voici/app.py

@@ -17,10 +17,10 @@
 
 voici_aliases = dict(
     **lite_aliases,
-    show_tracebacks='VoilaConfiguration.show_tracebacks',
-    strip_sources='VoilaConfiguration.strip_sources',
-    template='VoilaConfiguration.template',
-    theme='VoilaConfiguration.theme',
+    show_tracebacks="VoilaConfiguration.show_tracebacks",
+    strip_sources="VoilaConfiguration.strip_sources",
+    template="VoilaConfiguration.template",
+    theme="VoilaConfiguration.theme",
 )
 
 

voici/tree_exporter.py

@@ -115,7 +115,7 @@ def render_tree(page_config) -> StringIO:
 
             return StringIO(
                 template.render(
-                    frontend='voici',
+                    frontend="voici",
                     contents=contents,
                     page_title=page_title,
                     breadcrumbs=breadcrumbs,
@@ -143,15 +143,21 @@ def render_notebook(page_config) -> StringIO:
 
         return render_notebook
 
-    def generate_contents(self, path: Path, lite_files_output: Path, relative_to=None) -> Tuple[Dict, List[str]]:
-        """Generate the Tree content. This is a generator method that generates tuples (filepath, filecreation_function)."""
+    def generate_contents(
+        self, path: Path, lite_files_output: Path, relative_to=None
+    ) -> Tuple[Dict, List[str]]:
+        """Generate the Tree content.
+        This is a generator method that generates tuples (filepath, filecreation_function).
+        """
         if relative_to is None:
             relative_to = path
             relative_path = Path(".")
             breadcrumbs = []
         else:
             relative_path = path.relative_to(relative_to)
-            breadcrumbs = self.generate_breadcrumbs(relative_path, len(relative_path.parts))
+            breadcrumbs = self.generate_breadcrumbs(
+                relative_path, len(relative_path.parts)
+            )
 
         template = self.jinja2_env.get_template("tree.html")
 
@@ -174,7 +180,8 @@ def generate_contents(self, path: Path, lite_files_output: Path, relative_to=Non
                 yield (
                     Path("render") / file["path"],
                     self.will_render_notebook(
-                        lite_files_output / file["path"].replace(".html", ".ipynb"), relative_path
+                        lite_files_output / file["path"].replace(".html", ".ipynb"),
+                        relative_path,
                     ),
                 )
             elif file["type"] == "directory":