Drop support for Python 3.7 (#8609)

* Drop support for Python 3.7
* Update py-version + classifier
* Update functional tests

12 files changed, 15 insertions, 39 deletions

diff --git a/tests/functional/b/bad_reversed_sequence_py37.py b/tests/functional/b/bad_reversed_sequence_py37.py
index 5a0b2124c..4f132d945 100644
--- a/tests/functional/b/bad_reversed_sequence_py37.py
+++ b/tests/functional/b/bad_reversed_sequence_py37.py
@@ -1,8 +1,8 @@
 """ Dictionaries are reversible starting on python 3.8"""
-
 # pylint: disable=missing-docstring
 
-reversed({'a': 1, 'b': 2}) # [bad-reversed-sequence]
+# This can't be detected since changes to locals aren't backported
+reversed({'a': 1, 'b': 2})
 
 
 class InheritDict(dict):
diff --git a/tests/functional/b/bad_reversed_sequence_py37.rc b/tests/functional/b/bad_reversed_sequence_py37.rc
index 67a28a36a..77eb3be64 100644
--- a/tests/functional/b/bad_reversed_sequence_py37.rc
+++ b/tests/functional/b/bad_reversed_sequence_py37.rc
@@ -1,2 +1,2 @@
-[testoptions]
-max_pyver=3.8
+[main]
+py-version=3.7
diff --git a/tests/functional/b/bad_reversed_sequence_py37.txt b/tests/functional/b/bad_reversed_sequence_py37.txt
index 6fbbd2c59..da511347b 100644
--- a/tests/functional/b/bad_reversed_sequence_py37.txt
+++ b/tests/functional/b/bad_reversed_sequence_py37.txt
@@ -1,2 +1 @@
-bad-reversed-sequence:5:0:5:26::The first reversed() argument is not a sequence:UNDEFINED
 bad-reversed-sequence:12:0:12:39::The first reversed() argument is not a sequence:UNDEFINED
diff --git a/tests/functional/s/singledispatch/singledispatch_method_py37.rc b/tests/functional/s/singledispatch/singledispatch_method_py37.rc
index 67a28a36a..77eb3be64 100644
--- a/tests/functional/s/singledispatch/singledispatch_method_py37.rc
+++ b/tests/functional/s/singledispatch/singledispatch_method_py37.rc
@@ -1,2 +1,2 @@
-[testoptions]
-max_pyver=3.8
+[main]
+py-version=3.7
diff --git a/tests/functional/s/star/star_needs_assignment_target_py37.py b/tests/functional/s/star/star_needs_assignment_target_py38.py
index fb5eea86a..fb5eea86a 100644
--- a/tests/functional/s/star/star_needs_assignment_target_py37.py
+++ b/tests/functional/s/star/star_needs_assignment_target_py38.py
diff --git a/tests/functional/s/star/star_needs_assignment_target_py37.rc b/tests/functional/s/star/star_needs_assignment_target_py38.rc
index 67a28a36a..d584aa959 100644
--- a/tests/functional/s/star/star_needs_assignment_target_py37.rc
+++ b/tests/functional/s/star/star_needs_assignment_target_py38.rc
@@ -1,2 +1,2 @@
 [testoptions]
-max_pyver=3.8
+max_pyver=3.9
diff --git a/tests/functional/s/star/star_needs_assignment_target_py37.txt b/tests/functional/s/star/star_needs_assignment_target_py38.txt
index fb5a5faa6..fb5a5faa6 100644
--- a/tests/functional/s/star/star_needs_assignment_target_py37.txt
+++ b/tests/functional/s/star/star_needs_assignment_target_py38.txt
diff --git a/tests/functional/u/undefined/undefined_loop_variable.py b/tests/functional/u/undefined/undefined_loop_variable.py
index a00af5d79..10d6dc60b 100644
--- a/tests/functional/u/undefined/undefined_loop_variable.py
+++ b/tests/functional/u/undefined/undefined_loop_variable.py
@@ -1,11 +1,6 @@
 # pylint: disable=missing-docstring,redefined-builtin, consider-using-f-string, unnecessary-direct-lambda-call, broad-exception-raised
 
-import sys
-
-if sys.version_info >= (3, 8):
-    from typing import NoReturn
-else:
-    from typing_extensions import NoReturn
+from typing import NoReturn
 
 
 def do_stuff(some_random_list):
diff --git a/tests/functional/u/undefined/undefined_loop_variable.txt b/tests/functional/u/undefined/undefined_loop_variable.txt
index e10c9e002..78dc602ed 100644
--- a/tests/functional/u/undefined/undefined_loop_variable.txt
+++ b/tests/functional/u/undefined/undefined_loop_variable.txt
@@ -1,4 +1,4 @@
-undefined-loop-variable:14:11:14:14:do_stuff:Using possibly undefined loop variable 'var':UNDEFINED
-undefined-loop-variable:33:7:33:11::Using possibly undefined loop variable 'var1':UNDEFINED
-undefined-loop-variable:83:11:83:14:do_stuff_with_redefined_range:Using possibly undefined loop variable 'var':UNDEFINED
-undefined-loop-variable:201:11:201:20:find_even_number:Using possibly undefined loop variable 'something':UNDEFINED
+undefined-loop-variable:9:11:9:14:do_stuff:Using possibly undefined loop variable 'var':UNDEFINED
+undefined-loop-variable:28:7:28:11::Using possibly undefined loop variable 'var1':UNDEFINED
+undefined-loop-variable:78:11:78:14:do_stuff_with_redefined_range:Using possibly undefined loop variable 'var':UNDEFINED
+undefined-loop-variable:196:11:196:20:find_even_number:Using possibly undefined loop variable 'something':UNDEFINED
diff --git a/tests/test_pylint_runners.py b/tests/test_pylint_runners.py
index 29c4f90e8..f3baee24b 100644
--- a/tests/test_pylint_runners.py
+++ b/tests/test_pylint_runners.py
@@ -12,7 +12,7 @@ import shlex
 import sys
 from collections.abc import Sequence
 from io import BufferedReader
-from typing import Any, NoReturn
+from typing import Any, NoReturn, Protocol
 from unittest.mock import MagicMock, mock_open, patch
 
 import pytest
@@ -22,11 +22,6 @@ from pylint.testutils import GenericTestReporter as Reporter
 from pylint.testutils._run import _Run as Run
 from pylint.testutils.utils import _test_cwd
 
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-else:
-    from typing_extensions import Protocol
-
 
 class _RunCallable(Protocol):  # pylint: disable=too-few-public-methods
     def __call__(self, argv: Sequence[str] | None = None) -> NoReturn | None:
diff --git a/tests/test_self.py b/tests/test_self.py
index 51a077665..48f914e35 100644
--- a/tests/test_self.py
+++ b/tests/test_self.py
@@ -10,7 +10,6 @@ import configparser
 import contextlib
 import json
 import os
-import platform
 import re
 import subprocess
 import sys
@@ -349,16 +348,9 @@ class TestRunTC:
         assert isinstance(output, list)
         assert len(output) == 1
         assert isinstance(output[0], dict)
-        # So each version wants a different column number...
-        if platform.python_implementation() == "PyPy":
-            column = 9
-        elif sys.version_info >= (3, 8):
-            column = 9
-        else:
-            column = 15
         expected = {
             "obj": "",
-            "column": column,
+            "column": 9,
             "line": 1,
             "type": "error",
             "symbol": "syntax-error",
diff --git a/tests/testutils/test_output_line.py b/tests/testutils/test_output_line.py
index c28c851ac..8e9cf2800 100644
--- a/tests/testutils/test_output_line.py
+++ b/tests/testutils/test_output_line.py
@@ -6,7 +6,7 @@
 
 from __future__ import annotations
 
-import sys
+from typing import Protocol
 
 import pytest
 
@@ -16,11 +16,6 @@ from pylint.message import Message
 from pylint.testutils.output_line import OutputLine
 from pylint.typing import MessageLocationTuple
 
-if sys.version_info >= (3, 8):
-    from typing import Protocol
-else:
-    from typing_extensions import Protocol
-
 
 class _MessageCallable(Protocol):
     def __call__(self, confidence: Confidence = HIGH) -> Message: