Don't report import-private-name for relative imports (#7079)

Closes #7078

Author: scop

doc/whatsnew/2/2.14/full.rst

@@ -18,6 +18,10 @@ Release date: TBA
 
   Closes #6965
 
+* Don't report ``import-private-name`` for relative imports.
+
+  Closes #7078
+
 
 What's New in Pylint 2.14.3?
 ----------------------------

pylint/extensions/private_import.py

@@ -250,6 +250,8 @@ def same_root_dir(
         """Does the node's file's path contain the base name of `import_mod_name`?"""
         if not import_mod_name:  # from . import ...
             return True
+        if node.level:  # from .foo import ..., from ..bar import ...
+            return True
 
         base_import_package = import_mod_name.split(".")[0]
 

tests/functional/ext/private_import/private_import.py

@@ -1,7 +1,7 @@
 """Tests for import-private-name."""
 # pylint: disable=unused-import, missing-docstring, reimported, import-error, wrong-import-order
 # pylint: disable=no-name-in-module, multiple-imports, ungrouped-imports, misplaced-future
-# pylint: disable=wrong-import-position
+# pylint: disable=wrong-import-position, relative-beyond-top-level
 
 # Basic cases
 from _world import hello  # [import-private-name]
@@ -132,3 +132,8 @@ def get_example(self):
 class Example:
     def save(self):
         return self
+
+
+# Treat relative imports as internal
+from .other_file import _private
+from ..parent import _private