Fix issues with new typing Union syntax (Py310)

doc/whatsnew/fragments/8119.bugfix

@@ -0,0 +1,3 @@
+Fix issue with new typing Union syntax in runtime context for Python 3.10+.
+
+Closes #8119

pyproject.toml

@@ -39,7 +39,7 @@ dependencies    = [
     # Also upgrade requirements_test_min.txt.
     # Pinned to dev of second minor update to allow editable installs and fix primer issues,
     # see https://github.com/PyCQA/astroid/issues/1341
-    "astroid>=2.13.3,<=2.15.0-dev0",
+    "astroid>=2.14.1,<=2.16.0-dev0",
     "isort>=4.2.5,<6",
     "mccabe>=0.6,<0.8",
     "tomli>=1.1.0;python_version<'3.11'",

requirements_test_min.txt

@@ -1,6 +1,6 @@
 -e .[testutils,spelling]
 # astroid dependency is also defined in pyproject.toml
-astroid==2.13.3  # Pinned to a specific version for tests
+astroid==2.14.1  # Pinned to a specific version for tests
 typing-extensions~=4.4
 py~=1.11.0
 pytest~=7.2

tests/functional/a/alternative/alternative_union_syntax_error.rc

@@ -3,3 +3,4 @@ py-version=3.8
 
 [testoptions]
 min_pyver=3.8
+max_pyver=3.10

tests/functional/a/alternative/alternative_union_syntax_regession_8119.py

@@ -0,0 +1,24 @@
+"""Regression test for alternative Union syntax in runtime contexts.
+Syntax support was added in Python 3.10.
+
+The code snipped should not raise any errors.
+https://github.com/PyCQA/pylint/issues/8119
+"""
+# pylint: disable=missing-docstring,too-few-public-methods
+from typing import Generic, TypeVar
+
+T = TypeVar("T")
+
+
+class Coordinator(Generic[T]):
+    def __init__(self, update_interval=None) -> None:
+        self.update_interval = update_interval
+
+
+class Child(Coordinator[int | str]):
+    def __init__(self) -> None:
+        Coordinator.__init__(self, update_interval=2)
+
+    def _async_update_data(self):
+        assert self.update_interval
+        self.update_interval = 1

tests/functional/a/alternative/alternative_union_syntax_regession_8119.rc

@@ -0,0 +1,2 @@
+[testoptions]
+min_pyver=3.10

tests/functional/w/wrong_exception_operation.py

@@ -3,7 +3,7 @@
 
 try:
     1/0
-except (ValueError | TypeError): # [wrong-exception-operation]
+except (ValueError | TypeError): # [catching-non-exception,wrong-exception-operation]
     pass
 
 try:

tests/functional/w/wrong_exception_operation.rc

@@ -0,0 +1,2 @@
+[testoptions]
+min_pyver=3.10

tests/functional/w/wrong_exception_operation.txt

@@ -1,3 +1,4 @@
+catching-non-exception:6:8:6:30::"Catching an exception which doesn't inherit from Exception: ValueError | TypeError":UNDEFINED
 wrong-exception-operation:6:8:6:30::Invalid exception operation. Did you mean '(ValueError, TypeError)' instead?:UNDEFINED
 wrong-exception-operation:11:8:11:30::Invalid exception operation. Did you mean '(ValueError, TypeError)' instead?:UNDEFINED
 wrong-exception-operation:17:8:17:30::Invalid exception operation. Did you mean '(ValueError, TypeError)' instead?:UNDEFINED

tests/functional/w/wrong_exception_operation_py37.py

@@ -0,0 +1,18 @@
+# pylint: disable=missing-docstring, superfluous-parens
+
+
+try:
+    1/0
+except (ValueError | TypeError): # [wrong-exception-operation]
+    pass
+
+try:
+    1/0
+except (ValueError + TypeError): # [wrong-exception-operation]
+    pass
+
+
+try:
+    1/0
+except (ValueError < TypeError): # [wrong-exception-operation]
+    pass

tests/functional/w/wrong_exception_operation_py37.rc

@@ -0,0 +1,3 @@
+[testoptions]
+min_pyver=3.7
+max_pyver=3.10

tests/functional/w/wrong_exception_operation_py37.txt

@@ -0,0 +1,3 @@
+wrong-exception-operation:6:8:6:30::Invalid exception operation. Did you mean '(ValueError, TypeError)' instead?:UNDEFINED
+wrong-exception-operation:11:8:11:30::Invalid exception operation. Did you mean '(ValueError, TypeError)' instead?:UNDEFINED
+wrong-exception-operation:17:8:17:30::Invalid exception operation. Did you mean '(ValueError, TypeError)' instead?:UNDEFINED