Remove nominal typing via abc.ABC

pyproject.toml

@@ -81,7 +81,7 @@ target-version = "py310"
 strict = true
 
 [tool.mypy]
-exclude = ["dist"]
+strict = true
 
 [[tool.mypy.overrides]]
 module = ["ebooklib", "ebooklib.epub", "mobi", "kindle"]

src/screener/reader/epub.py

@@ -1,24 +1,41 @@
 from __future__ import annotations
 
+import typing
 import warnings
-from typing import TYPE_CHECKING
 
-if TYPE_CHECKING:
+if typing.TYPE_CHECKING:
     from pathlib import Path
+    from types import TracebackType
 
 from ebooklib import epub
 
-from .abstract import AbstractReader
 
-
-class EpubFileReader(AbstractReader):
-    def __init__(self: EpubFileReader, file_path: Path) -> None:
-        super().__init__(file_path)
+class EpubFileReader:
+    def __init__(self, file_path: Path) -> None:
+        self.file_path = file_path
         self.book: epub.EpubBook
 
-    def __enter__(self: EpubFileReader) -> EpubFileReader:
+    def __enter__(self) -> EpubFileReader:
         with warnings.catch_warnings():
             # Have to do this because of bug in ebooklib.
             warnings.simplefilter("ignore")
             self.book = epub.read_epub(self.file_path, options={"ignore_ncx": False})
         return self
+
+    @typing.overload
+    def __exit__(self, exc_type: None, exc_val: None, exc_tb: None) -> None: ...
+
+    @typing.overload
+    def __exit__(
+        self,
+        exc_type: type[BaseException],
+        exc_val: BaseException,
+        exc_tb: TracebackType,
+    ) -> None: ...
+
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> None: ...

src/screener/reader/kindle.py

@@ -1,33 +1,42 @@
 from __future__ import annotations
 
 import shutil
-from typing import TYPE_CHECKING
+import typing
 
-if TYPE_CHECKING:
+if typing.TYPE_CHECKING:
     from pathlib import Path
     from types import TracebackType
 
 from mobi import extract
 
-from .abstract import AbstractReader
 
-
-class KindleFileReader(AbstractReader):
-    def __init__(self: KindleFileReader, file_path: Path) -> None:
-        super().__init__(file_path)
+class KindleFileReader:
+    def __init__(self, file_path: Path) -> None:
+        self.file_path = file_path
         self._temp_dir = None
         self.generated_translation = None
 
-    def __enter__(self: KindleFileReader) -> KindleFileReader:
+    def __enter__(self) -> KindleFileReader:
         # The `mobi` library likes file paths as strings for whatever reason.
         self._temp_dir, self.generated_translation = extract(str(self.file_path))
         if self.generated_translation is None or self._temp_dir is None:
             msg = "Could not extract Kindle file"
             raise ValueError(msg)
         return self
 
+    @typing.overload
+    def __exit__(self, exc_type: None, exc_val: None, exc_tb: None) -> None: ...
+
+    @typing.overload
+    def __exit__(
+        self,
+        exc_type: type[BaseException],
+        exc_val: BaseException,
+        exc_tb: TracebackType,
+    ) -> None: ...
+
     def __exit__(
-        self: KindleFileReader,
+        self,
         exc_type: type[BaseException] | None,
         exc_val: BaseException | None,
         exc_tb: TracebackType | None,

tests/test_parser.py

@@ -1,13 +1,9 @@
-"""Test the parser module; for use with `pytest`."""
-
 from __future__ import annotations
 
 from pathlib import Path
 
 from screener.checker import Checker
-from screener.diagnostic import (
-    JavaScriptDiagnostic,
-)
+from screener.diagnostic import JavaScriptDiagnostic
 from screener.parser import parse_epub, parse_kindle