Remove unused _ComposableFormulaEngine implementation

Signed-off-by: Sahas Subramanian <[email protected]>

Author: shsms

src/frequenz/sdk/timeseries/formula_engine/_formula_engine.py

@@ -12,7 +12,7 @@
 from abc import ABC
 from collections import deque
 from collections.abc import Callable
-from typing import Generic, TypeVar, Union, overload
+from typing import Generic, Union, overload
 
 from frequenz.channels import Broadcast, Receiver
 
@@ -78,147 +78,6 @@
     "HigherOrderFormulaBuilder3Phase",  # type: ignore[type-arg]
 ]
 
-_GenericEngine = TypeVar(
-    "_GenericEngine",
-    "FormulaEngine",  # type: ignore
-    "FormulaEngine3Phase",  # type: ignore
-)
-
-_GenericHigherOrderBuilder = TypeVar(
-    "_GenericHigherOrderBuilder",
-    "HigherOrderFormulaBuilder",  # type: ignore
-    "HigherOrderFormulaBuilder3Phase",  # type: ignore
-)
-
-
-# This class has multiple generic type parameters that should also restrict each other,
-# but mypy doesn't support that, so we need to use `# type: ignore` in several places in
-# this, and subsequent classes, to avoid mypy errors.
-class _ComposableFormulaEngine(
-    ABC, Generic[_GenericEngine, _GenericHigherOrderBuilder, QuantityT]
-):
-    """A base class for formula engines."""
-
-    _create_method: Callable[[float], QuantityT]
-    _higher_order_builder: type[_GenericHigherOrderBuilder]
-    _task: asyncio.Task[None] | None = None
-
-    async def _stop(self) -> None:
-        """Stop a running formula engine."""
-        if self._task is None:
-            return
-        await cancel_and_await(self._task)
-
-    def __add__(
-        self,
-        other: _GenericEngine | _GenericHigherOrderBuilder | QuantityT,
-    ) -> _GenericHigherOrderBuilder:
-        """Return a formula builder that adds (data in) `other` to `self`.
-
-        Args:
-            other: A formula receiver, or a formula builder instance corresponding to a
-                sub-expression.
-
-        Returns:
-            A formula builder that can take further expressions, or can be built
-                into a formula engine.
-        """
-        return self._higher_order_builder(self, self._create_method) + other  # type: ignore
-
-    def __sub__(
-        self, other: _GenericEngine | _GenericHigherOrderBuilder | QuantityT
-    ) -> _GenericHigherOrderBuilder:
-        """Return a formula builder that subtracts (data in) `other` from `self`.
-
-        Args:
-            other: A formula receiver, or a formula builder instance corresponding to a
-                sub-expression.
-
-        Returns:
-            A formula builder that can take further expressions, or can be built
-                into a formula engine.
-        """
-        return self._higher_order_builder(self, self._create_method) - other  # type: ignore
-
-    def __mul__(
-        self, other: _GenericEngine | _GenericHigherOrderBuilder | float
-    ) -> _GenericHigherOrderBuilder:
-        """Return a formula builder that multiplies (data in) `self` with `other`.
-
-        Args:
-            other: A formula receiver, or a formula builder instance corresponding to a
-                sub-expression.
-
-        Returns:
-            A formula builder that can take further expressions, or can be built
-                into a formula engine.
-        """
-        return self._higher_order_builder(self, self._create_method) * other  # type: ignore
-
-    def __truediv__(
-        self, other: _GenericEngine | _GenericHigherOrderBuilder | float
-    ) -> _GenericHigherOrderBuilder:
-        """Return a formula builder that divides (data in) `self` by `other`.
-
-        Args:
-            other: A formula receiver, or a formula builder instance corresponding to a
-                sub-expression.
-
-        Returns:
-            A formula builder that can take further expressions, or can be built
-                into a formula engine.
-        """
-        return self._higher_order_builder(self, self._create_method) / other  # type: ignore
-
-    def max(
-        self, other: _GenericEngine | _GenericHigherOrderBuilder | QuantityT
-    ) -> _GenericHigherOrderBuilder:
-        """Return a formula engine that outputs the maximum of `self` and `other`.
-
-        Args:
-            other: A formula receiver, a formula builder or a QuantityT instance
-                corresponding to a sub-expression.
-
-        Returns:
-            A formula builder that can take further expressions, or can be built
-                into a formula engine.
-        """
-        return self._higher_order_builder(self, self._create_method).max(other)  # type: ignore
-
-    def min(
-        self, other: _GenericEngine | _GenericHigherOrderBuilder | QuantityT
-    ) -> _GenericHigherOrderBuilder:
-        """Return a formula engine that outputs the minimum of `self` and `other`.
-
-        Args:
-            other: A formula receiver, a formula builder or a QuantityT instance
-                corresponding to a sub-expression.
-
-
-        Returns:
-            A formula builder that can take further expressions, or can be built
-                into a formula engine.
-        """
-        return self._higher_order_builder(self, self._create_method).min(other)  # type: ignore
-
-    def consumption(self) -> _GenericHigherOrderBuilder:
-        """
-        Return a formula builder that applies the consumption operator on `self`.
-
-        The consumption operator returns either the identity if the power value is
-        positive or 0.
-        """
-        return self._higher_order_builder(self, self._create_method).consumption()  # type: ignore
-
-    def production(self) -> _GenericHigherOrderBuilder:
-        """
-        Return a formula builder that applies the production operator on `self`.
-
-        The production operator returns either the absolute value if the power value is
-        negative or 0.
-        """
-        return self._higher_order_builder(self, self._create_method).production()  # type: ignore
-
 
 class FormulaEngine(Generic[QuantityT]):
     """[`FormulaEngine`][frequenz.sdk.timeseries.formula_engine.FormulaEngine]s are a