Bump python min to 3.9 (#3871)

esphome/cpp_generator.py

@@ -8,14 +8,10 @@ from esphome.yaml_util import ESPHomeDataBase
 from typing import (
     Any,
     Callable,
-    Generator,
-    List,
     Optional,
-    Tuple,
-    Type,
     Union,
-    Sequence,
 )
+from collections.abc import Generator, Sequence
 
 from esphome.core import (  # noqa
     CORE,
@@ -54,9 +50,9 @@ SafeExpType = Union[
     int,
     float,
     TimePeriod,
-    Type[bool],
-    Type[int],
-    Type[float],
+    type[bool],
+    type[int],
+    type[float],
     Sequence[Any],
 ]
 
@@ -150,7 +146,7 @@ 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, Optional[SafeExpType]]):
         self.base = base
         # TODO: args is always a Tuple, is this check required?
         if not isinstance(args, OrderedDict):
@@ -210,7 +206,7 @@ class ParameterListExpression(Expression):
     __slots__ = ("parameters",)
 
     def __init__(
-        self, *parameters: Union[ParameterExpression, Tuple[SafeExpType, str]]
+        self, *parameters: Union[ParameterExpression, tuple[SafeExpType, str]]
     ):
         self.parameters = []
         for parameter in parameters:
@@ -629,7 +625,7 @@ 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: Union[str, list[str]]):
     CORE.add_platformio_option(key, value)
 
 
@@ -646,7 +642,7 @@ async def get_variable(id_: ID) -> "MockObj":
     return await CORE.get_variable(id_)
 
 
-async def get_variable_with_full_id(id_: ID) -> Tuple[ID, "MockObj"]:
+async def get_variable_with_full_id(id_: ID) -> tuple[ID, "MockObj"]:
     """
     Wait for the given ID to be defined in the code generation and
     return it as a MockObj.
@@ -661,7 +657,7 @@ async def get_variable_with_full_id(id_: ID) -> Tuple[ID, "MockObj"]:
 
 async def process_lambda(
     value: Lambda,
-    parameters: List[Tuple[SafeExpType, str]],
+    parameters: list[tuple[SafeExpType, str]],
     capture: str = "=",
     return_type: SafeExpType = None,
 ) -> Generator[LambdaExpression, None, None]:
@@ -715,7 +711,7 @@ def is_template(value):
 
 async def templatable(
     value: Any,
-    args: List[Tuple[SafeExpType, str]],
+    args: list[tuple[SafeExpType, str]],
     output_type: Optional[SafeExpType],
     to_exp: Any = None,
 ):
@@ -763,7 +759,7 @@ class MockObj(Expression):
             attr = attr[1:]
         return MockObj(f"{self.base}{self.op}{attr}", next_op)
 
-    def __call__(self, *args):  # type: (SafeExpType) -> MockObj
+    def __call__(self, *args: SafeExpType) -> "MockObj":
         call = CallExpression(self.base, *args)
         return MockObj(call, self.op)