update minimal python version to 3.10 (#8850)

esphome/cpp_generator.py

@@ -1,9 +1,9 @@
 import abc
-from collections.abc import Sequence
+from collections.abc import Callable, Sequence
 import inspect
 import math
 import re
-from typing import Any, Callable, Optional, Union
+from typing import Any
 
 from esphome.core import (
     CORE,
@@ -35,19 +35,19 @@ class Expression(abc.ABC):
         """
 
 
-SafeExpType = Union[
-    Expression,
-    bool,
-    str,
-    str,
-    int,
-    float,
-    TimePeriod,
-    type[bool],
-    type[int],
-    type[float],
-    Sequence[Any],
-]
+SafeExpType = (
+    Expression
+    | bool
+    | str
+    | str
+    | int
+    | float
+    | TimePeriod
+    | type[bool]
+    | type[int]
+    | type[float]
+    | Sequence[Any]
+)
 
 
 class RawExpression(Expression):
@@ -90,7 +90,7 @@ class VariableDeclarationExpression(Expression):
 class ExpressionList(Expression):
     __slots__ = ("args",)
 
-    def __init__(self, *args: Optional[SafeExpType]):
+    def __init__(self, *args: SafeExpType | None):
         # Remove every None on end
         args = list(args)
         while args and args[-1] is None:
@@ -139,7 +139,7 @@ class CallExpression(Expression):
 class StructInitializer(Expression):
     __slots__ = ("base", "args")
 
-    def __init__(self, base: Expression, *args: tuple[str, Optional[SafeExpType]]):
+    def __init__(self, base: Expression, *args: tuple[str, SafeExpType | None]):
         self.base = base
         # TODO: args is always a Tuple, is this check required?
         if not isinstance(args, OrderedDict):
@@ -197,9 +197,7 @@ class ParameterExpression(Expression):
 class ParameterListExpression(Expression):
     __slots__ = ("parameters",)
 
-    def __init__(
-        self, *parameters: Union[ParameterExpression, tuple[SafeExpType, str]]
-    ):
+    def __init__(self, *parameters: ParameterExpression | tuple[SafeExpType, str]):
         self.parameters = []
         for parameter in parameters:
             if not isinstance(parameter, ParameterExpression):
@@ -362,7 +360,7 @@ def safe_exp(obj: SafeExpType) -> Expression:
         return IntLiteral(int(obj.total_seconds))
     if isinstance(obj, TimePeriodMinutes):
         return IntLiteral(int(obj.total_minutes))
-    if isinstance(obj, (tuple, list)):
+    if isinstance(obj, tuple | list):
         return ArrayInitializer(*[safe_exp(o) for o in obj])
     if obj is bool:
         return bool_
@@ -461,7 +459,7 @@ def static_const_array(id_, rhs) -> "MockObj":
     return obj
 
 
-def statement(expression: Union[Expression, Statement]) -> Statement:
+def statement(expression: Expression | Statement) -> Statement:
     """Convert expression into a statement unless is already a statement."""
     if isinstance(expression, Statement):
         return expression
@@ -579,7 +577,7 @@ def new_Pvariable(id_: ID, *args: SafeExpType) -> Pvariable:
     return Pvariable(id_, rhs)
 
 
-def add(expression: Union[Expression, Statement]):
+def add(expression: Expression | Statement):
     """Add an expression to the codegen section.
 
     After this is called, the given given expression will
@@ -588,12 +586,12 @@ def add(expression: Union[Expression, Statement]):
     CORE.add(expression)
 
 
-def add_global(expression: Union[SafeExpType, Statement], prepend: bool = False):
+def add_global(expression: SafeExpType | Statement, prepend: bool = False):
     """Add an expression to the codegen global storage (above setup())."""
     CORE.add_global(expression, prepend)
 
 
-def add_library(name: str, version: Optional[str], repository: Optional[str] = None):
+def add_library(name: str, version: str | None, repository: str | None = None):
     """Add a library to the codegen library storage.
 
     :param name: The name of the library (for example 'AsyncTCP')
@@ -619,7 +617,7 @@ def add_define(name: str, value: SafeExpType = None):
         CORE.add_define(Define(name, safe_exp(value)))
 
 
-def add_platformio_option(key: str, value: Union[str, list[str]]):
+def add_platformio_option(key: str, value: str | list[str]):
     CORE.add_platformio_option(key, value)
 
 
@@ -654,7 +652,7 @@ async def process_lambda(
     parameters: list[tuple[SafeExpType, str]],
     capture: str = "=",
     return_type: SafeExpType = None,
-) -> Union[LambdaExpression, None]:
+) -> LambdaExpression | None:
     """Process the given lambda value into a LambdaExpression.
 
     This is a coroutine because lambdas can depend on other IDs,
@@ -711,8 +709,8 @@ def is_template(value):
 async def templatable(
     value: Any,
     args: list[tuple[SafeExpType, str]],
-    output_type: Optional[SafeExpType],
-    to_exp: Union[Callable, dict] = None,
+    output_type: SafeExpType | None,
+    to_exp: Callable | dict = None,
 ):
     """Generate code for a templatable config option.
 
@@ -821,7 +819,7 @@ class MockObj(Expression):
         assert self.op == "::"
         return MockObj(f"using namespace {self.base}")
 
-    def __getitem__(self, item: Union[str, Expression]) -> "MockObj":
+    def __getitem__(self, item: str | Expression) -> "MockObj":
         next_op = "."
         if isinstance(item, str) and item.startswith("P"):
             item = item[1:]