Remove black in favour of ruff format

.github/workflows/ci.yml

@@ -58,7 +58,7 @@ jobs:
         run: |
           mypy .
           ruff .
-          black --check .
+          ruff format --check .
           pip-extra-reqs pip_check_reqs
           pip-missing-reqs pip_check_reqs
           pylint pip_check_reqs tests

pip_check_reqs/common.py

@@ -10,11 +10,7 @@
 from dataclasses import dataclass, field
 from importlib.util import find_spec
 from pathlib import Path
-from typing import (
-    Callable,
-    Generator,
-    Iterable,
-)
+from typing import TYPE_CHECKING, Callable
 
 from packaging.markers import Marker
 from packaging.utils import NormalizedName, canonicalize_name
@@ -24,6 +20,9 @@
 
 from . import __version__
 
+if TYPE_CHECKING:
+    from collections.abc import Generator, Iterable
+
 log = logging.getLogger(__name__)
 
 

pip_check_reqs/find_extra_reqs.py

@@ -10,7 +10,7 @@
 import sys
 from functools import cache
 from pathlib import Path
-from typing import TYPE_CHECKING, Callable, Iterable
+from typing import TYPE_CHECKING, Callable
 from unittest import mock
 
 from packaging.utils import NormalizedName, canonicalize_name
@@ -23,6 +23,8 @@
 from pip_check_reqs.common import version_info
 
 if TYPE_CHECKING:
+    from collections.abc import Iterable
+
     from pip._internal.req.req_file import ParsedRequirement
 
 log = logging.getLogger(__name__)

pip_check_reqs/find_missing_reqs.py

@@ -10,7 +10,7 @@
 import sys
 from functools import cache
 from pathlib import Path
-from typing import Callable, Iterable
+from typing import TYPE_CHECKING, Callable
 from unittest import mock
 
 from packaging.utils import NormalizedName, canonicalize_name
@@ -25,6 +25,9 @@
 from pip_check_reqs import common
 from pip_check_reqs.common import FoundModule, version_info
 
+if TYPE_CHECKING:
+    from collections.abc import Iterable
+
 log = logging.getLogger(__name__)
 
 

pyproject.toml

@@ -86,17 +86,13 @@
     # --spelling-private-dict-file option instead of raising a message.
     spelling-store-unknown-words = 'no'
 
-[tool.black]
-
-line-length = 79
-
 [tool.mypy]
 
 strict = true
 
 [tool.ruff]
 
-target-version = "py38"
+target-version = "py39"
 
 select = ["ALL"]
 

test-requirements.txt

@@ -1,4 +1,3 @@
-black
 ruff
 mypy
 pyenchant

tests/test_find_extra_reqs.py

@@ -6,7 +6,7 @@
 import textwrap
 from typing import TYPE_CHECKING
 
-import black
+import pip  # This happens to be installed in the test environment.
 import pytest
 
 from pip_check_reqs import common, find_extra_reqs
@@ -17,7 +17,7 @@
 
 def test_find_extra_reqs(tmp_path: Path) -> None:
     installed_not_imported_required_package = pytest
-    installed_imported_required_package = black
+    installed_imported_required_package = pip
 
     fake_requirements_file = tmp_path / "requirements.txt"
     fake_requirements_file.write_text(

tests/test_find_missing_reqs.py

@@ -6,15 +6,15 @@
 import textwrap
 from pathlib import Path
 
-import black
+import pip  # This happens to be installed in the test environment.
 import pytest
 
 from pip_check_reqs import common, find_missing_reqs
 
 
 def test_find_missing_reqs(tmp_path: Path) -> None:
     installed_imported_not_required_package = pytest
-    installed_imported_required_package = black
+    installed_imported_required_package = pip
 
     fake_requirements_file = tmp_path / "requirements.txt"
     fake_requirements_file.write_text(