Finish removing support for 3.10

Author: tleonhardt

cmd2/cmd2.py

@@ -3114,7 +3114,7 @@ def _complete_statement(self, line: str) -> Statement:
         while True:
             try:
                 return self._check_statement_complete(line)
-            except IncompleteStatement:  # noqa: PERF203
+            except IncompleteStatement:
                 # If incomplete, we need to fetch the next line
                 try:
                     try:

cmd2/colors.py

@@ -1,11 +1,6 @@
 """Provides a convenient StrEnum for Rich color names."""
 
-import sys
-
-if sys.version_info >= (3, 11):
-    from enum import StrEnum
-else:
-    from backports.strenum import StrEnum
+from enum import StrEnum
 
 
 class Color(StrEnum):

cmd2/completion.py

@@ -2,7 +2,6 @@
 
 import copy
 import re
-import sys
 from collections.abc import (
     Iterable,
     Iterator,
@@ -14,22 +13,16 @@
 )
 from typing import (
     Any,
+    Self,
     cast,
     overload,
 )
 
-from rich.table import Table
-
-from . import string_utils as su
-
-if sys.version_info >= (3, 11):
-    from typing import Self
-else:
-    from typing_extensions import Self
-
 from rich.protocol import is_renderable
+from rich.table import Table
 
 from . import rich_utils as ru
+from . import string_utils as su
 
 
 class _UnsetStr(str):

cmd2/parsing.py

@@ -2,7 +2,6 @@
 
 import re
 import shlex
-import sys
 from collections.abc import (
     Iterable,
     Mapping,
@@ -16,13 +15,9 @@
 from typing import (
     Any,
     ClassVar,
+    Self,
 )
 
-if sys.version_info >= (3, 11):
-    from typing import Self
-else:
-    from typing_extensions import Self
-
 from . import (
     constants,
     utils,

cmd2/styles.py

@@ -26,19 +26,14 @@
 https://github.com/prompt-toolkit/python-prompt-toolkit/blob/main/src/prompt_toolkit/styles/defaults.py
 """
 
-import sys
+from enum import StrEnum
 
 from rich.style import (
     Style,
     StyleType,
 )
 from rich_argparse import RichHelpFormatter
 
-if sys.version_info >= (3, 11):
-    from enum import StrEnum
-else:
-    from backports.strenum import StrEnum
-
 from .colors import Color
 
 

ruff.toml

@@ -31,7 +31,7 @@ exclude = [
 # Same as Black.
 line-length = 127
 indent-width = 4
-target-version = "py310" # Minimum supported version of Python
+target-version = "py311" # Minimum supported version of Python
 output-format = "full"
 
 [lint]