Move distribution algorithm into power distributing actor package

The power distributing algorithm is a lower level functionality, that
is used only by the power distributing actor.  So it shouldn't be part
of the public interface.

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

Author: shsms

src/frequenz/sdk/power/__init__.py renamed to src/frequenz/sdk/actor/power_distributing/_distribution_algorithm/__init__.py

@@ -10,7 +10,7 @@
 
 from frequenz.sdk._internal._math import is_close_to_zero
 
-from ..microgrid.component import BatteryData, InverterData
+from ....microgrid.component import BatteryData, InverterData
 
 _logger = logging.getLogger(__name__)
 

src/frequenz/sdk/power/_distribution_algorithm.py renamed to src/frequenz/sdk/actor/power_distributing/_distribution_algorithm/_distribution_algorithm.py

@@ -36,8 +36,12 @@
     ComponentCategory,
     InverterData,
 )
-from ...power import DistributionAlgorithm, DistributionResult, InvBatPair
 from ._battery_pool_status import BatteryPoolStatus, BatteryStatus
+from ._distribution_algorithm import (
+    DistributionAlgorithm,
+    DistributionResult,
+    InvBatPair,
+)
 from .request import Request
 from .result import Error, OutOfBound, PartialFailure, PowerBounds, Result, Success
 

src/frequenz/sdk/actor/power_distributing/power_distributing.py

@@ -1,4 +1,4 @@
 # License: MIT
 # Copyright © 2022 Frequenz Energy-as-a-Service GmbH
 
-"""Test power distribution module."""
+"""Tests for the power distributing actor and algorithm."""

tests/power/__init__.py renamed to tests/actor/power_distributing/__init__.py

@@ -10,11 +10,15 @@
 
 from pytest import approx, raises
 
+from frequenz.sdk.actor.power_distributing._distribution_algorithm import (
+    DistributionAlgorithm,
+    DistributionResult,
+    InvBatPair,
+)
 from frequenz.sdk.actor.power_distributing.result import PowerBounds
 from frequenz.sdk.microgrid.component import BatteryData, InverterData
-from frequenz.sdk.power import DistributionAlgorithm, DistributionResult, InvBatPair
 
-from ..utils.component_data_wrapper import BatteryDataWrapper, InverterDataWrapper
+from ...utils.component_data_wrapper import BatteryDataWrapper, InverterDataWrapper
 
 
 @dataclass

tests/power/test_distribution_algorithm.py renamed to tests/actor/power_distributing/test_distribution_algorithm.py

@@ -33,8 +33,8 @@
 from frequenz.sdk.microgrid.component import ComponentCategory
 from tests.timeseries.mock_microgrid import MockMicrogrid
 
-from ..conftest import SAFETY_TIMEOUT
-from ..power.test_distribution_algorithm import Bound, Metric, battery_msg, inverter_msg
+from ...conftest import SAFETY_TIMEOUT
+from .test_distribution_algorithm import Bound, Metric, battery_msg, inverter_msg
 
 T = TypeVar("T")  # Declare type variable