Upgrade base client minimum required dependency from v0.7.0 to v0.8.0

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
   "frequenz-api-common >= 0.6.3, < 0.7.0",
   "grpcio >= 1.66.2, < 2",
   "frequenz-channels >= 1.0.0, < 2",
-  "frequenz-client-base >= 0.7.0, < 0.8.0",
+  "frequenz-client-base >= 0.8.0, < 0.9.0",
   "frequenz-client-common >= 0.1.0, < 0.3.0",
   "frequenz-api-electricity-trading >= 0.2.4, < 1",
   "protobuf >= 5.28.0, < 6",

src/frequenz/client/electricity_trading/_client.py

@@ -8,12 +8,15 @@
 import logging
 from datetime import datetime, timezone
 from decimal import Decimal, InvalidOperation
-from typing import TYPE_CHECKING, Any, Awaitable, cast
+from typing import Awaitable, cast
 
 import grpc
 
 # pylint: disable=no-member
-from frequenz.api.electricity_trading.v1 import electricity_trading_pb2
+from frequenz.api.electricity_trading.v1 import (
+    electricity_trading_pb2,
+    electricity_trading_pb2_grpc,
+)
 from frequenz.api.electricity_trading.v1.electricity_trading_pb2_grpc import (
     ElectricityTradingServiceStub,
 )
@@ -23,7 +26,6 @@
 from frequenz.client.base.streaming import GrpcStreamBroadcaster
 from frequenz.client.common.pagination import Params
 from google.protobuf import field_mask_pb2, struct_pb2
-from typing_extensions import override
 
 from ._types import (
     DeliveryArea,
@@ -45,12 +47,6 @@
     UpdateOrder,
 )
 
-if TYPE_CHECKING:
-    from frequenz.api.electricity_trading.v1.electricity_trading_pb2_grpc import (
-        ElectricityTradingServiceAsyncStub,
-    )
-
-
 _logger = logging.getLogger(__name__)
 
 
@@ -91,7 +87,7 @@ def validate_decimal_places(value: Decimal, decimal_places: int, name: str) -> N
         ) from exc
 
 
-class Client(BaseApiClient):
+class Client(BaseApiClient[ElectricityTradingServiceStub]):
     """Electricity trading client."""
 
     _instances: dict[tuple[str, str | None], "Client"] = {}
@@ -133,10 +129,11 @@ def __init__(
         if not hasattr(
             self, "_initialized"
         ):  # Prevent re-initialization of existing instances
-            super().__init__(server_url, connect=connect)
-            self._stub: ElectricityTradingServiceAsyncStub | None = None
-            if connect:
-                self._create_stub()
+            super().__init__(
+                server_url,
+                connect=connect,
+                create_stub=ElectricityTradingServiceStub,
+            )
             self._initialized = True
 
         self._gridpool_orders_streams: dict[
@@ -162,28 +159,8 @@ def __init__(
 
         self._metadata = (("key", auth_key),) if auth_key else ()
 
-    def _create_stub(self) -> None:
-        """Create a new gRPC stub for the Electricity Trading service."""
-        stub: Any = ElectricityTradingServiceStub(self.channel)
-        self._stub = stub
-
-    @override
-    def connect(self, server_url: str | None = None) -> None:
-        """Connect to the server, possibly using a new URL.
-
-        If the client is already connected and the URL is the same as the previous URL,
-        this method does nothing. If you want to force a reconnection, you can call
-        [disconnect()][frequenz.client.base.client.BaseApiClient.disconnect] first.
-
-        Args:
-            server_url: The URL of the server to connect to. If not provided, the
-                previously used URL is used.
-        """
-        super().connect(server_url)
-        self._create_stub()
-
     @property
-    def stub(self) -> ElectricityTradingServiceAsyncStub:
+    def stub(self) -> electricity_trading_pb2_grpc.ElectricityTradingServiceAsyncStub:
         """
         Get the gRPC stub for the Electricity Trading service.
 
@@ -195,7 +172,11 @@ def stub(self) -> ElectricityTradingServiceAsyncStub:
         """
         if self._stub is None:
             raise ClientNotConnected(server_url=self.server_url, operation="stub")
-        return self._stub
+        # This type: ignore is needed because we need to cast the sync stub to
+        # the async stub, but we can't use cast because the async stub doesn't
+        # actually exists to the eyes of the interpreter, it only exists for the
+        # type-checker, so it can only be used for type hints.
+        return self._stub  # type: ignore
 
     async def stream_gridpool_orders(
         # pylint: disable=too-many-arguments, too-many-positional-arguments