Replace flake8 with ruff in pre-commit and ci linting

.github/workflows/ci.yaml

@@ -11,31 +11,9 @@ env:
   CACHE_NUMBER: 0
 
 jobs:
-  lint:
-    name: lint and style checks
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout source
-        uses: actions/checkout@v4
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: 3.9
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install flake8 flake8-docstrings flake8-debugger flake8-bugbear pytest
-      - name: Install Satpy
-        run: |
-          pip install -e .
-      - name: Run linting
-        run: |
-          flake8 satpy/
-
   test:
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ matrix.experimental }}
-    needs: [lint]
     strategy:
       fail-fast: true
       matrix:

.pre-commit-config.yaml

@@ -1,12 +1,11 @@
 exclude: '^$'
 fail_fast: false
 repos:
-  - repo: https://github.com/PyCQA/flake8
-    rev: 6.1.0
+  - repo: https://github.com/charliermarsh/ruff-pre-commit
+    # Ruff version.
+    rev: 'v0.0.247'
     hooks:
-      - id: flake8
-        additional_dependencies: [flake8-docstrings, flake8-debugger, flake8-bugbear, mccabe]
-        args: [--max-complexity, "10"]
+      - id: ruff
   - repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v4.5.0
     hooks:

benchmarks/abi_l1b_benchmarks.py

@@ -43,7 +43,7 @@ def setup_cache(self):
             if len(get_filenames(self.subdir)) != 16:
                 raise RuntimeError("Existing data files do not match the expected number of files.")
         download_rsr()
-        download_luts(aerosol_type='rayleigh_only')
+        download_luts(aerosol_type="rayleigh_only")
 
     def setup(self):
         """Set up the benchmarks."""

benchmarks/ahi_hsd_benchmarks.py

@@ -33,7 +33,7 @@ class HimawariHSD(GeoBenchmarks):
     timeout = 600
     data_files: list[str] = []
     subdir = os.path.join("ahi_hsd", "20210417_0500_typhoon_surigae")
-    reader = 'ahi_hsd'
+    reader = "ahi_hsd"
 
     def setup_cache(self):
         """Fetch the data files."""
@@ -43,7 +43,7 @@ def setup_cache(self):
         except ImportError:
             assert len(get_filenames(self.subdir)) == 4  # nosec
         download_rsr()
-        download_luts(aerosol_type='rayleigh_only')
+        download_luts(aerosol_type="rayleigh_only")
 
     def setup(self):
         """Set up the benchmarks."""

benchmarks/seviri_hrit_benchmarks.py

@@ -43,7 +43,7 @@ def setup_cache(self):
         except ImportError:
             assert len(get_filenames(self.subdir)) == 114  # nosec
         download_rsr()
-        download_luts(aerosol_type='rayleigh_only')
+        download_luts(aerosol_type="rayleigh_only")
 
     def setup(self):
         """Set up the benchmarks."""

benchmarks/utils.py

@@ -64,7 +64,7 @@ def save_composite_as_geotiff(self, composite, resampler="native",
                                   area=None, filenames=None):
         """Save a composite to disk as geotiff."""
         lscn = self.load_and_resample(composite, resampler, area, filenames)
-        lscn.save_dataset(composite, filename='test.tif', tiled=True)
+        lscn.save_dataset(composite, filename="test.tif", tiled=True)
 
     def compute_channel(self, channel, filenames=None):
         """Load and compute one channel."""

benchmarks/viirs_sdr_benchmarks.py

@@ -42,7 +42,7 @@ def setup_cache(self):
         except ImportError:
             assert len(self.get_filenames()) == 6 * 3  # nosec
         download_rsr()
-        download_luts(aerosol_type='rayleigh_only')
+        download_luts(aerosol_type="rayleigh_only")
 
     def setup(self, name):
         """Set up the benchmarks."""
@@ -58,14 +58,14 @@ def get_filenames(self):
     def load(self, composite):
         """Load one composite."""
         from satpy import Scene
-        scn = Scene(filenames=self.data_files, reader='viirs_sdr')
+        scn = Scene(filenames=self.data_files, reader="viirs_sdr")
         scn.load([composite])
         return scn
 
     def load_and_native_resample(self, composite):
         """Load and native resample a composite."""
         scn = self.load(composite)
-        lscn = scn.resample(resampler='native')
+        lscn = scn.resample(resampler="native")
         return lscn
 
 
@@ -119,4 +119,4 @@ def compute_composite(self, name):
     def save_composite_as_geotiff(self, name):
         """Save a composite to disk as geotiff."""
         lscn = self.load_and_native_resample(name)
-        lscn.save_dataset(name, filename='test.tif', tiled=True)
+        lscn.save_dataset(name, filename="test.tif", tiled=True)

doc/source/conf.py

@@ -23,7 +23,7 @@
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.append(os.path.abspath('../../'))
+sys.path.append(os.path.abspath("../../"))
 sys.path.append(os.path.abspath(os.path.dirname(__file__)))
 
 from reader_table import generate_reader_table  # noqa: E402
@@ -33,10 +33,10 @@
 # built documents.
 #
 # get version using setuptools-scm
-release = get_distribution('satpy').version
+release = get_distribution("satpy").version
 # The full version, including alpha/beta/rc tags.
 # for example take major/minor
-version = '.'.join(release.split('.')[:2])
+version = ".".join(release.split(".")[:2])
 
 
 class Mock(object):  # noqa
@@ -53,8 +53,8 @@ def __call__(self, *args, **kwargs):
     @classmethod
     def __getattr__(cls, name):
         """Mock common module attributes used in documentation."""
-        if name in ('__file__', '__path__'):
-            return '/dev/null'
+        if name in ("__file__", "__path__"):
+            return "/dev/null"
         elif name[0] == name[0].upper():
             mockType = type(name, (), {})
             mockType.__module__ = __name__
@@ -66,15 +66,15 @@ def __getattr__(cls, name):
 
 
 # https://github.com/sphinx-doc/sphinx/issues/3920
-MOCK_MODULES = ['h5py']
+MOCK_MODULES = ["h5py"]
 for mod_name in MOCK_MODULES:
     sys.modules[mod_name] = Mock()  # type: ignore
 
-autodoc_mock_imports = ['cf', 'glymur', 'h5netcdf', 'imageio', 'mipp', 'netCDF4',
-                        'pygac', 'pygrib', 'pyhdf', 'pyninjotiff',
-                        'pyorbital', 'pyspectral', 'rasterio', 'trollimage',
-                        'zarr']
-autoclass_content = 'both'  # append class __init__ docstring to the class docstring
+autodoc_mock_imports = ["cf", "glymur", "h5netcdf", "imageio", "mipp", "netCDF4",
+                        "pygac", "pygrib", "pyhdf", "pyninjotiff",
+                        "pyorbital", "pyspectral", "rasterio", "trollimage",
+                        "zarr"]
+autoclass_content = "both"  # append class __init__ docstring to the class docstring
 
 # auto generate reader table from reader config files
 with open("reader_table.rst", mode="w") as f:
@@ -84,40 +84,40 @@ def __getattr__(cls, name):
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc', 'sphinx.ext.intersphinx', 'sphinx.ext.todo', 'sphinx.ext.coverage',
-              'sphinx.ext.doctest', 'sphinx.ext.napoleon', 'sphinx.ext.autosummary', 'doi_role',
-              'sphinx.ext.viewcode', 'sphinxcontrib.apidoc',
-              'sphinx.ext.mathjax']
+extensions = ["sphinx.ext.autodoc", "sphinx.ext.intersphinx", "sphinx.ext.todo", "sphinx.ext.coverage",
+              "sphinx.ext.doctest", "sphinx.ext.napoleon", "sphinx.ext.autosummary", "doi_role",
+              "sphinx.ext.viewcode", "sphinxcontrib.apidoc",
+              "sphinx.ext.mathjax"]
 
 # API docs
 apidoc_module_dir = "../../satpy"
 apidoc_output_dir = "api"
 apidoc_excluded_paths = [
-    'readers/caliop_l2_cloud.py',
-    'readers/ghrsst_l3c_sst.py',
-    'readers/li_l2.py',
-    'readers/scatsat1_l2b.py',
+    "readers/caliop_l2_cloud.py",
+    "readers/ghrsst_l3c_sst.py",
+    "readers/li_l2.py",
+    "readers/scatsat1_l2b.py",
 ]
 apidoc_separate_modules = True
 apidoc_extra_args = [
     "--private",
 ]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix of source filenames.
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The encoding of source files.
 # source_encoding = 'utf-8'
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'Satpy'
-copyright = u'2009-{}, The PyTroll Team'.format(datetime.utcnow().strftime("%Y"))
+project = u"Satpy"
+copyright = u"2009-{}, The PyTroll Team".format(datetime.utcnow().strftime("%Y"))
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -151,7 +151,7 @@ def __getattr__(cls, name):
 # show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # A list of ignored prefixes for module index sorting.
 # modindex_common_prefix = []
@@ -161,7 +161,7 @@ def __getattr__(cls, name):
 
 # The theme to use for HTML and HTML Help pages.  Major themes that come with
 # Sphinx are currently 'default' and 'sphinxdoc'.
-html_theme = 'sphinx_rtd_theme'
+html_theme = "sphinx_rtd_theme"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
@@ -190,16 +190,16 @@ def __getattr__(cls, name):
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+html_static_path = ["_static"]
 
 html_css_files = [
-    'theme_overrides.css',  # override wide tables in RTD theme
-    'https://cdn.datatables.net/1.10.23/css/jquery.dataTables.min.css',
+    "theme_overrides.css",  # override wide tables in RTD theme
+    "https://cdn.datatables.net/1.10.23/css/jquery.dataTables.min.css",
 ]
 
 html_js_files = [
-    'https://cdn.datatables.net/1.10.23/js/jquery.dataTables.min.js',
-    'main.js',
+    "https://cdn.datatables.net/1.10.23/js/jquery.dataTables.min.js",
+    "main.js",
 ]
 
 
@@ -239,7 +239,7 @@ def __getattr__(cls, name):
 # html_file_suffix = ''
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'NWCSAFMSGPPdoc'
+htmlhelp_basename = "NWCSAFMSGPPdoc"
 
 
 # -- Options for LaTeX output --------------------------------------------------
@@ -253,8 +253,8 @@ def __getattr__(cls, name):
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, documentclass [howto/manual]).
 latex_documents = [
-  ('index', 'satpy.tex', 'Satpy Documentation',
-   'Satpy Developers', 'manual'),
+  ("index", "satpy.tex", "Satpy Documentation",
+   "Satpy Developers", "manual"),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
@@ -277,22 +277,22 @@ def __getattr__(cls, name):
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {
-    'dask': ('https://docs.dask.org/en/latest', None),
-    'geoviews': ('http://geoviews.org', None),
-    'jobqueue': ('https://jobqueue.dask.org/en/latest', None),
-    'numpy': ('https://numpy.org/doc/stable', None),
-    'pydecorate': ('https://pydecorate.readthedocs.io/en/stable', None),
-    'pyorbital': ('https://pyorbital.readthedocs.io/en/stable', None),
-    'pyproj': ('https://pyproj4.github.io/pyproj/dev', None),
-    'pyresample': ('https://pyresample.readthedocs.io/en/stable', None),
-    'pytest': ('https://docs.pytest.org/en/stable/', None),
-    'python': ('https://docs.python.org/3', None),
-    'scipy': ('http://scipy.github.io/devdocs', None),
-    'trollimage': ('https://trollimage.readthedocs.io/en/stable', None),
-    'trollsift': ('https://trollsift.readthedocs.io/en/stable', None),
-    'xarray': ('https://xarray.pydata.org/en/stable', None),
-    'rasterio': ('https://rasterio.readthedocs.io/en/latest', None),
-    'donfig': ('https://donfig.readthedocs.io/en/latest', None),
-    'pooch': ('https://www.fatiando.org/pooch/latest/', None),
-    'fsspec': ('https://filesystem-spec.readthedocs.io/en/latest/', None),
+    "dask": ("https://docs.dask.org/en/latest", None),
+    "geoviews": ("http://geoviews.org", None),
+    "jobqueue": ("https://jobqueue.dask.org/en/latest", None),
+    "numpy": ("https://numpy.org/doc/stable", None),
+    "pydecorate": ("https://pydecorate.readthedocs.io/en/stable", None),
+    "pyorbital": ("https://pyorbital.readthedocs.io/en/stable", None),
+    "pyproj": ("https://pyproj4.github.io/pyproj/dev", None),
+    "pyresample": ("https://pyresample.readthedocs.io/en/stable", None),
+    "pytest": ("https://docs.pytest.org/en/stable/", None),
+    "python": ("https://docs.python.org/3", None),
+    "scipy": ("http://scipy.github.io/devdocs", None),
+    "trollimage": ("https://trollimage.readthedocs.io/en/stable", None),
+    "trollsift": ("https://trollsift.readthedocs.io/en/stable", None),
+    "xarray": ("https://xarray.pydata.org/en/stable", None),
+    "rasterio": ("https://rasterio.readthedocs.io/en/latest", None),
+    "donfig": ("https://donfig.readthedocs.io/en/latest", None),
+    "pooch": ("https://www.fatiando.org/pooch/latest/", None),
+    "fsspec": ("https://filesystem-spec.readthedocs.io/en/latest/", None),
 }

doc/source/doi_role.py

@@ -26,9 +26,9 @@ def doi_role(typ, rawtext, text, lineno, inliner, options=None, content=None):
         content = []
     text = utils.unescape(text)
     has_explicit_title, title, part = split_explicit_title(text)
-    full_url = 'https://doi.org/' + part
+    full_url = "https://doi.org/" + part
     if not has_explicit_title:
-        title = 'DOI:' + part
+        title = "DOI:" + part
     pnode = nodes.reference(title, title, internal=False, refuri=full_url)
     return [pnode], []
 
@@ -40,20 +40,20 @@ def arxiv_role(typ, rawtext, text, lineno, inliner, options=None, content=None):
         content = []
     text = utils.unescape(text)
     has_explicit_title, title, part = split_explicit_title(text)
-    full_url = 'https://arxiv.org/abs/' + part
+    full_url = "https://arxiv.org/abs/" + part
     if not has_explicit_title:
-        title = 'arXiv:' + part
+        title = "arXiv:" + part
     pnode = nodes.reference(title, title, internal=False, refuri=full_url)
     return [pnode], []
 
 
 def setup_link_role(app):
-    app.add_role('doi', doi_role, override=True)
-    app.add_role('DOI', doi_role, override=True)
-    app.add_role('arXiv', arxiv_role, override=True)
-    app.add_role('arxiv', arxiv_role, override=True)
+    app.add_role("doi", doi_role, override=True)
+    app.add_role("DOI", doi_role, override=True)
+    app.add_role("arXiv", arxiv_role, override=True)
+    app.add_role("arxiv", arxiv_role, override=True)
 
 
 def setup(app):
-    app.connect('builder-inited', setup_link_role)
-    return {'version': '0.1', 'parallel_read_safe': True}
+    app.connect("builder-inited", setup_link_role)
+    return {"version": "0.1", "parallel_read_safe": True}

doc/source/reader_table.py

@@ -28,6 +28,7 @@ def rst_table_row(columns=None):
 
     Args:
         columns (list[str]): Content of each column.
+
     Returns:
         str
     """
@@ -48,6 +49,7 @@ def rst_table_header(name=None, header=None, header_rows=1, widths="auto"):
         width (optional[list[int]]): Width of each column as a list. If not specified
             defaults to auto and will therefore determined by the backend
             (see <https://docutils.sourceforge.io/docs/ref/rst/directives.html#table>)
+
     Returns:
         str
     """