Strict pyright

poetry_to_pre_commit/common.py

@@ -4,7 +4,7 @@
 import copy
 import dataclasses
 import pathlib
-from typing import Any, Generator, Iterable
+from typing import Any, Generator, Iterable, cast
 
 import ruamel.yaml
 from poetry import factory
@@ -15,7 +15,7 @@ def pre_commit_config_roundtrip(
     path: pathlib.Path,
 ) -> Generator[dict[str, Any], None, None]:
     yaml = ruamel.yaml.YAML()
-    config = yaml.load(path.read_text())
+    config = cast("dict[str, Any]", yaml.load(path.read_text()))
     old_config = copy.deepcopy(config)
     yield config
     if config != old_config:

poetry_to_pre_commit/sync_hooks_additional_dependencies.py

@@ -25,7 +25,7 @@ def format_bind(value: str) -> tuple[str, set[str]]:
 
 
 def combine_bind_values(bind: list[tuple[str, set[str]]]) -> dict[str, set[str]]:
-    result = {}
+    result: dict[str, set[str]] = {}
     for key, value in bind:
         result.setdefault(key, set()).update(value)
     return result
@@ -92,7 +92,7 @@ def update_or_remove_additional_deps(
 def _sync_hooks_additional_dependencies(
     *,
     config: dict[str, Any],
-    deps_by_group: dict[str, list[str]],
+    deps_by_group: dict[str, set[str]],
     bind: dict[str, set[str]],
     no_new_deps: bool = False,
 ) -> None:
@@ -112,7 +112,7 @@ def _sync_hooks_additional_dependencies(
                 groups = bind[hook_id]
             except KeyError:
                 continue
-            deps = set()
+            deps: set[str] = set()
 
             for group in groups:
                 deps.update(deps_by_group.get(group, set()))
@@ -137,7 +137,7 @@ def sync_hooks_additional_dependencies(
     args = parser.parse_args(argv)
 
     bind = combine_bind_values(args.bind)
-    deps_by_group = {}
+    deps_by_group: dict[str, set[str]] = {}
 
     for groups in bind.values():
         for group in groups:

poetry_to_pre_commit/sync_repos.py

@@ -126,5 +126,5 @@ def sync_repos(
         )
 
 
-def sync_repos_cli():
+def sync_repos_cli() -> None:
     sync_repos(argv=sys.argv[1:])

pyproject.toml

@@ -66,6 +66,9 @@ relative_files = true
 
 [tool.pyright]
 exclude = ["tests"]
+typeCheckingMode = "strict"
+reportUnknownMemberType = false
+
 
 [tool.ruff.lint]
 extend-select = [

tests/conftest.py

@@ -6,5 +6,5 @@
 
 
 @pytest.fixture
-def poetry_cwd():
+def poetry_cwd() -> pathlib.Path:
     return pathlib.Path(__file__).parent

tests/test_common.py

@@ -1,9 +1,11 @@
 from __future__ import annotations
 
+from pathlib import Path
+
 from poetry_to_pre_commit import common
 
 
-def test_get_poetry_packages(poetry_cwd):
+def test_get_poetry_packages(poetry_cwd: Path) -> None:
     result = list(
         common.get_poetry_packages(
             cwd=poetry_cwd,
@@ -13,7 +15,7 @@ def test_get_poetry_packages(poetry_cwd):
     assert common.PoetryPackage(name="attrs", version="23.2.0") in result
 
 
-def test_pre_commit_config_roundtrip__no_change(tmp_path):
+def test_pre_commit_config_roundtrip__no_change(tmp_path: Path) -> None:
     file = tmp_path / "file.yaml"
     yaml = "a: 1\nb: 2\n"
     file.write_text(yaml)
@@ -22,7 +24,7 @@ def test_pre_commit_config_roundtrip__no_change(tmp_path):
     assert file.read_text() == yaml
 
 
-def test_pre_commit_config_roundtrip__write_back(tmp_path):
+def test_pre_commit_config_roundtrip__write_back(tmp_path: Path) -> None:
     file = tmp_path / "file.yaml"
     yaml = "a: 1\nb: 2\n"
     file.write_text(yaml)

tests/test_sync_hooks_additional_dependencies.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from pathlib import Path
+
 import pytest
 import ruamel.yaml
 
@@ -13,32 +15,34 @@
         ("foo=bar,baz", ("foo", {"bar", "baz"})),
     ],
 )
-def test_format_bind(value, expected):
+def test_format_bind(value: str, expected: tuple[str, set[str]]) -> None:
     assert sync_hooks_additional_dependencies.format_bind(value=value) == expected
 
 
-def test_format_bind__error():
+def test_format_bind__error() -> None:
     with pytest.raises(ValueError):
         sync_hooks_additional_dependencies.format_bind(value="foo")
 
 
-def test_combine_bind_values():
+def test_combine_bind_values() -> None:
     bind = [("foo", {"bar"}), ("foo", {"baz"}), ("qux", {"quux"})]
     assert sync_hooks_additional_dependencies.combine_bind_values(bind=bind) == {
         "foo": {"bar", "baz"},
         "qux": {"quux"},
     }
 
 
-def test_get_sync_hooks_additional_dependencies_parser():
-    parser = sync_hooks_additional_dependencies.get_sync_hooks_additional_dependencies_parser()
+def test_get_sync_hooks_additional_dependencies_parser() -> None:
+    parser = (
+        sync_hooks_additional_dependencies.get_sync_hooks_additional_dependencies_parser()
+    )
     assert parser.parse_args(["--bind", "foo=bar,baz", "--bind", "foo=qux"]).bind == [
         ("foo", {"bar", "baz"}),
         ("foo", {"qux"}),
     ]
 
 
-def test_get_poetry_deps(poetry_cwd):
+def test_get_poetry_deps(poetry_cwd: Path) -> None:
     results = list(
         sync_hooks_additional_dependencies.get_poetry_deps(
             cwd=poetry_cwd,
@@ -53,7 +57,7 @@ def test_get_poetry_deps(poetry_cwd):
     ]
 
 
-def test_get_poetry_deps__error(poetry_cwd):
+def test_get_poetry_deps__error(poetry_cwd: Path) -> None:
     with pytest.raises(SystemError):
         list(
             sync_hooks_additional_dependencies.get_poetry_deps(
@@ -63,11 +67,11 @@ def test_get_poetry_deps__error(poetry_cwd):
         )
 
 
-def test__sync_hooks_additional_dependencies():
+def test__sync_hooks_additional_dependencies() -> None:
     config = {"repos": [{"hooks": [{"id": "mypy"}, {"id": "foo"}]}]}
     deps_by_group = {
-        "types": ["bar==1", "baz[e]==2"],
-        "main": ["qux==3"],
+        "types": {"bar==1", "baz[e]==2"},
+        "main": {"qux==3"},
     }
     bind = {"mypy": {"types", "main", "unknown"}, "other_unknown": {"abc"}}
     sync_hooks_additional_dependencies._sync_hooks_additional_dependencies(
@@ -94,7 +98,7 @@ def test__sync_hooks_additional_dependencies():
     }
 
 
-def test_sync_hooks_additional_dependencies(tmp_path, poetry_cwd):
+def test_sync_hooks_additional_dependencies(tmp_path: Path, poetry_cwd: Path) -> None:
     pre_commit_path = tmp_path / ".pre-commit-config.yaml"
     ruamel.yaml.YAML().dump(
         {

tests/test_sync_repos.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from pathlib import Path
+
 import pytest
 import ruamel.yaml
 
@@ -14,7 +16,7 @@
         ("https://github.com/foo/mirrors-bar", "bar"),
     ],
 )
-def test_repo_url_to_pypi_name(input, expected):
+def test_repo_url_to_pypi_name(input: str, expected: str) -> None:
     assert sync_repos.repo_url_to_pypi_name(input) == expected
 
 
@@ -37,13 +39,13 @@ def test_repo_url_to_pypi_name(input, expected):
         ),
     ],
 )
-def test_get_parser(input, expected):
+def test_get_parser(input: list[str], expected: dict[str, list[str]]) -> None:
     parser = sync_repos.get_sync_repos_parser()
     args = parser.parse_args(input)
     assert vars(args) == expected
 
 
-def test_get_pre_commit_repos():
+def test_get_pre_commit_repos() -> None:
     result = sync_repos.get_pre_commit_repos(
         config={
             "repos": [
@@ -75,12 +77,17 @@ def test_get_pre_commit_repos():
         ([bar], ["baz"], {"bar": "baz"}, []),
     ],
 )
-def test_extract_pypi_names(repos, skip, map, expected):
+def test_extract_pypi_names(
+    repos: list[sync_repos.PreCommitRepo],
+    skip: list[str],
+    map: dict[str, str],
+    expected: list[tuple[str, sync_repos.PreCommitRepo]],
+) -> None:
     result = sync_repos.extract_pypi_names(repos=repos, skip=skip, map=map)
     assert list(result) == expected
 
 
-def test_write_precommit_config():
+def test_write_precommit_config() -> None:
     projects = [
         (
             sync_repos.PreCommitRepo(
@@ -115,7 +122,7 @@ def test_write_precommit_config():
     }
 
 
-def test_sync_repos(tmp_path, poetry_cwd):
+def test_sync_repos(tmp_path: Path, poetry_cwd: Path) -> None:
     pre_commit_path = tmp_path / ".pre-commit-config.yaml"
     ruamel.yaml.YAML().dump(
         {