Switch to ruff for formatting

Author: oschwald

maxminddb/reader.py

@@ -185,8 +185,11 @@ def _generate_children(self, node, depth, ip_acc) -> Iterator:
             ip_acc <<= bits - depth
             if ip_acc <= _IPV4_MAX_NUM and bits == 128:
                 depth -= 96
-            yield ipaddress.ip_network((ip_acc, depth)), self._resolve_data_pointer(
-                node,
+            yield (
+                ipaddress.ip_network((ip_acc, depth)),
+                self._resolve_data_pointer(
+                    node,
+                ),
             )
         elif node < node_count:
             left = self._read_node(node, 0)

pyproject.toml

@@ -35,7 +35,6 @@ dev = [
     "pytest>=8.3.5",
 ]
 lint = [
-    "black>=25.1.0",
     "flake8>=7.2.0",
     "mypy>=1.15.0",
     "pylint>=3.3.6",
@@ -57,11 +56,6 @@ packages = ["maxminddb"]
 [tool.setuptools.package-data]
 maxminddb = ["extension.pyi", "py.typed"]
 
-[tool.black]
-# src is showing up in our GitHub linting builds. It seems to
-# contain deps.
-extend-exclude = '^/src/'
-
 [tool.ruff.lint]
 select = ["ALL"]
 ignore = [
@@ -71,9 +65,6 @@ ignore = [
     # documenting magic methods
     "D105",
 
-    # Line length. We let black handle this for now.
-    "E501",
-
     # Don't bother with future imports for type annotations
     "FA100",
 
@@ -115,7 +106,7 @@ dependency_groups = [
     "lint",
 ]
 commands = [
-    ["black", "--check", "--diff", "."],
+    ["ruff", "format", "--check", "--diff", "."],
     ["flake8", "maxminddb"],
     ["mypy", "maxminddb", "tests"],
     ["pylint", "maxminddb"],

tests/reader_test.py

@@ -239,7 +239,7 @@ def test_iterator(self) -> None:
 
         for record_size in [24, 28, 32]:
             for test in tests:
-                f = f'tests/data/test-data/MaxMind-DB-test-{test["database"]}-{record_size}.mmdb'
+                f = f"tests/data/test-data/MaxMind-DB-test-{test['database']}-{record_size}.mmdb"
                 reader = open_database(f, self.mode)
                 networks = [str(n) for (n, _) in reader]
                 self.assertEqual(networks, test["expected"], f)
@@ -454,7 +454,8 @@ def test_double_close(self) -> None:
         )
         reader.close()
         self.assertIsNone(
-            reader.close(), "Double close does not throw an exception"  # type:  ignore
+            reader.close(),
+            "Double close does not throw an exception",  # type:  ignore
         )
 
     def test_closed_get(self) -> None: