Enable PLW1514 rule (use utf-8 encoding) (#3524)

Author: Danipulok

clai/update_readme.py

@@ -21,10 +21,10 @@ def test_cli_help(capfd: pytest.CaptureFixture[str]):
 
     this_dir = Path(__file__).parent
     readme = this_dir / 'README.md'
-    content = readme.read_text()
+    content = readme.read_text(encoding='utf-8')
 
     new_content, count = re.subn('^(## Help\n+```).+?```', rf'\1\n{help_output}\n```', content, flags=re.M | re.S)
     assert count, 'help section not found'
     if new_content != content:
-        readme.write_text(new_content)
+        readme.write_text(new_content, encoding='utf-8')
         pytest.fail('`clai --help` output changed.')

docs/.hooks/main.py

@@ -43,9 +43,9 @@ def on_post_build(config: Config) -> None:
     """Inject extra CSS into mermaid styles to avoid titles being the same color as the background in dark mode."""
     assert bundle_path is not None
     if bundle_path.exists():
-        content = bundle_path.read_text()
+        content = bundle_path.read_text(encoding='utf-8')
         content, _ = re.subn(r'}(\.statediagram)', '}.statediagramTitleText{fill:#888}\1', content, count=1)
-        bundle_path.write_text(content)
+        bundle_path.write_text(content, encoding='utf-8')
 
 
 def replace_uv_python_run(markdown: str) -> str:
@@ -88,7 +88,7 @@ def render_examples(markdown: str) -> str:
 
 def sub_example(m: re.Match[str]) -> str:
     example_path = EXAMPLES_DIR / m.group(1)
-    content = example_path.read_text().strip()
+    content = example_path.read_text(encoding='utf-8').strip()
     # remove leading docstring which duplicates what's in the docs page
     content = re.sub(r'^""".*?"""', '', content, count=1, flags=re.S).strip()
 

docs/.hooks/snippets.py

@@ -149,7 +149,7 @@ def parse_snippet_directive(line: str) -> SnippetDirective | None:
 
 def parse_file_sections(file_path: Path) -> ParsedFile:
     """Parse a file and extract sections marked with ### [section] or /// [section]"""
-    input_lines = file_path.read_text().splitlines()
+    input_lines = file_path.read_text(encoding='utf-8').splitlines()
     output_lines: list[str] = []
     lines_mapping: dict[int, int] = {}
 
@@ -220,7 +220,7 @@ def format_highlight_lines(highlight_ranges: list[LineRange]) -> str:
     return ' '.join(parts)
 
 
-def inject_snippets(markdown: str, relative_path_root: Path) -> str:  # noqa C901
+def inject_snippets(markdown: str, relative_path_root: Path) -> str:  # noqa: C901
     def replace_snippet(match: re.Match[str]) -> str:
         line = match.group(0)
         directive = parse_snippet_directive(line)