Preliminary changes 2

- Responses to review comments
- Add test for calling _astroid_module_checker on different levels
- Move Path.resolve() out of _get_namespace_for_file recursive calls

pylint/config/config_initialization.py

@@ -145,7 +145,7 @@ def _config_initialization(
     linter._parse_error_mode()
 
     # Link the base Namespace object on the current directory
-    if Path(".").resolve() not in linter._directory_namespaces:
+    if len(linter._directory_namespaces) == 0:
         linter._directory_namespaces[Path(".").resolve()] = (linter.config, {})
 
     # parsed_args_list should now only be a list of inputs to lint.

pylint/config/find_default_config_files.py

@@ -64,7 +64,7 @@ def _cfg_has_config(path: Path | str) -> bool:
     return any(section.startswith("pylint.") for section in parser.sections())
 
 
-def _yield_default_files(basedir: Path | str = ".") -> Iterator[Path]:
+def _yield_default_files(basedir: Path = Path(".")) -> Iterator[Path]:
     """Iterate over the default config file names and see if they exist."""
     basedir = Path(basedir)
     for config_name in CONFIG_NAMES:
@@ -144,8 +144,3 @@ def find_default_config_files() -> Iterator[Path]:
             yield Path("/etc/pylintrc").resolve()
     except OSError:
         pass
-
-
-def find_subdirectory_config_files(basedir: Path | str) -> Iterator[Path]:
-    """Find config file in arbitrary subdirectory."""
-    yield from _yield_default_files(basedir)

pylint/lint/pylinter.py

@@ -927,7 +927,7 @@ def set_current_module(self, modname: str, filepath: str | None = None) -> None:
         # If there is an actual filepath we might need to update the config attribute
         if filepath:
             config_path, namespace = self._get_namespace_for_file(
-                Path(filepath), self._directory_namespaces
+                Path(filepath).resolve(), self._directory_namespaces
             )
             if namespace:
                 self.config = namespace
@@ -940,7 +940,6 @@ def set_current_module(self, modname: str, filepath: str | None = None) -> None:
     def _get_namespace_for_file(
         self, filepath: Path, namespaces: DirectoryNamespaceDict
     ) -> tuple[Path | None, argparse.Namespace | None]:
-        filepath = filepath.resolve()
         for directory in namespaces:
             if _is_relative_to(filepath, directory):
                 _, namespace = self._get_namespace_for_file(

tests/lint/test_pylinter.py

@@ -9,8 +9,10 @@
 from unittest.mock import patch
 
 from pytest import CaptureFixture
+from test_regr import REGR_DATA
 
 from pylint.lint.pylinter import PyLinter
+from pylint.typing import FileItem
 from pylint.utils import FileState
 
 
@@ -48,3 +50,21 @@ def test_crash_during_linting(
         assert len(files) == 1
         assert "pylint-crash-20" in str(files[0])
         assert any(m.symbol == "astroid-error" for m in linter.reporter.messages)
+
+
+def test_global_vs_local_astroid_module() -> None:
+    fileitems = iter(
+        [
+            FileItem("filename", __file__, "modname"),
+            FileItem("name2", str(Path(REGR_DATA, "decimal_inference.py")), "mod2"),
+        ]
+    )
+    linter1 = PyLinter()
+    ast_mapping = linter1._get_asts(fileitems, None)
+    with linter1._astroid_module_checker() as check_astroid_module:
+        linter1._lint_files(ast_mapping, check_astroid_module)
+        stats1 = linter1.stats
+    linter2 = PyLinter()
+    linter2._lint_files(ast_mapping, None)
+    stats2 = linter2.stats
+    assert str(stats1) == str(stats2)