fix: always specify encoding (#135)

### Summary of Changes

Always specify the encoding when opening files.

pyproject.toml

@@ -34,8 +34,8 @@ mkdocs-material = "^9.4.7"
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
 
-[tool.pytest.ini_options]
-addopts = "--ignore=./tests/data"
-
 [tool.black]
 line-length = 120
+
+[tool.pytest.ini_options]
+addopts = "--ignore=./tests/data --tb=short"

src/safeds_stubgen/stubs_generator/_generate_stubs.py

@@ -107,7 +107,7 @@ def create_stub_files(
         file_path = Path(corrected_module_dir / f"{public_module_name}.sdsstub")
         Path(file_path).touch()
 
-        with file_path.open("w") as f:
+        with file_path.open("w", encoding="utf-8") as f:
             f.write(module_text)
 
     created_module_paths: set[str] = set()
@@ -138,10 +138,10 @@ def _create_outside_package_class(
 
     file_path = Path(module_dir / f"{module_name}.sdsstub")
     if Path.exists(file_path) and not first_creation:
-        with file_path.open("a") as f:
+        with file_path.open("a", encoding="utf-8") as f:
             f.write(_create_outside_package_class_text(class_name, naming_convention))
     else:
-        with file_path.open("w") as f:
+        with file_path.open("w", encoding="utf-8") as f:
             module_text = ""
 
             # package name & annotation

tests/data/various_modules_package/infer_types_module.py

@@ -59,7 +59,7 @@ def infer_function(infer_param=1, infer_param_2: int = "Something"):
             else:
                 infer_param_2 = 0
 
-        with open("no path", "r") as _:
+        with open("no path", "r", encoding="utf-8") as _:
             if infer_param_2:
                 return "Some String"
 

tests/safeds_stubgen/stubs_generator/test_generate_stubs.py

@@ -75,7 +75,7 @@ def test_file_creation_limited_stubs_outside_package(snapshot_sds_stub: Snapshot
     path = Path(_out_dir / "tests/data/main_package/another_path/another_module/another_module.sdsstub")
     assert path.is_file()
 
-    with path.open("r") as f:
+    with path.open("r", encoding="utf-8") as f:
         assert f.read() == snapshot_sds_stub
 
 

tests/safeds_stubgen/test_main.py

@@ -31,7 +31,7 @@ def test_main(snapshot: SnapshotAssertion) -> None:
 
     main()
 
-    with Path.open(_out_file_dir) as f:
+    with Path.open(_out_file_dir, encoding="utf-8") as f:
         json_data = json.load(f)
 
     assert json_data == snapshot