two version of R2R are hereHEADmaster

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diff --git a/.venv/lib/python3.12/site-packages/grpc/aio/_base_server.py b/.venv/lib/python3.12/site-packages/grpc/aio/_base_server.py
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+# Copyright 2020 The gRPC Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Abstract base classes for server-side classes."""
+
+import abc
+from typing import Generic, Iterable, Mapping, NoReturn, Optional, Sequence
+
+import grpc
+
+from ._metadata import Metadata  # pylint: disable=unused-import
+from ._typing import DoneCallbackType
+from ._typing import MetadataType
+from ._typing import RequestType
+from ._typing import ResponseType
+
+
+class Server(abc.ABC):
+    """Serves RPCs."""
+
+    @abc.abstractmethod
+    def add_generic_rpc_handlers(
+        self, generic_rpc_handlers: Sequence[grpc.GenericRpcHandler]
+    ) -> None:
+        """Registers GenericRpcHandlers with this Server.
+
+        This method is only safe to call before the server is started.
+
+        Args:
+          generic_rpc_handlers: A sequence of GenericRpcHandlers that will be
+          used to service RPCs.
+        """
+
+    @abc.abstractmethod
+    def add_insecure_port(self, address: str) -> int:
+        """Opens an insecure port for accepting RPCs.
+
+        A port is a communication endpoint that used by networking protocols,
+        like TCP and UDP. To date, we only support TCP.
+
+        This method may only be called before starting the server.
+
+        Args:
+          address: The address for which to open a port. If the port is 0,
+            or not specified in the address, then the gRPC runtime will choose a port.
+
+        Returns:
+          An integer port on which the server will accept RPC requests.
+        """
+
+    @abc.abstractmethod
+    def add_secure_port(
+        self, address: str, server_credentials: grpc.ServerCredentials
+    ) -> int:
+        """Opens a secure port for accepting RPCs.
+
+        A port is a communication endpoint that used by networking protocols,
+        like TCP and UDP. To date, we only support TCP.
+
+        This method may only be called before starting the server.
+
+        Args:
+          address: The address for which to open a port.
+            if the port is 0, or not specified in the address, then the gRPC
+            runtime will choose a port.
+          server_credentials: A ServerCredentials object.
+
+        Returns:
+          An integer port on which the server will accept RPC requests.
+        """
+
+    @abc.abstractmethod
+    async def start(self) -> None:
+        """Starts this Server.
+
+        This method may only be called once. (i.e. it is not idempotent).
+        """
+
+    @abc.abstractmethod
+    async def stop(self, grace: Optional[float]) -> None:
+        """Stops this Server.
+
+        This method immediately stops the server from servicing new RPCs in
+        all cases.
+
+        If a grace period is specified, this method waits until all active
+        RPCs are finished or until the grace period is reached. RPCs that haven't
+        been terminated within the grace period are aborted.
+        If a grace period is not specified (by passing None for grace), all
+        existing RPCs are aborted immediately and this method blocks until
+        the last RPC handler terminates.
+
+        This method is idempotent and may be called at any time. Passing a
+        smaller grace value in a subsequent call will have the effect of
+        stopping the Server sooner (passing None will have the effect of
+        stopping the server immediately). Passing a larger grace value in a
+        subsequent call will not have the effect of stopping the server later
+        (i.e. the most restrictive grace value is used).
+
+        Args:
+          grace: A duration of time in seconds or None.
+        """
+
+    @abc.abstractmethod
+    async def wait_for_termination(
+        self, timeout: Optional[float] = None
+    ) -> bool:
+        """Continues current coroutine once the server stops.
+
+        This is an EXPERIMENTAL API.
+
+        The wait will not consume computational resources during blocking, and
+        it will block until one of the two following conditions are met:
+
+        1) The server is stopped or terminated;
+        2) A timeout occurs if timeout is not `None`.
+
+        The timeout argument works in the same way as `threading.Event.wait()`.
+        https://docs.python.org/3/library/threading.html#threading.Event.wait
+
+        Args:
+          timeout: A floating point number specifying a timeout for the
+            operation in seconds.
+
+        Returns:
+          A bool indicates if the operation times out.
+        """
+
+    def add_registered_method_handlers(self, service_name, method_handlers):
+        """Registers GenericRpcHandlers with this Server.
+
+        This method is only safe to call before the server is started.
+
+        Args:
+          service_name: The service name.
+          method_handlers: A dictionary that maps method names to corresponding
+            RpcMethodHandler.
+        """
+
+
+# pylint: disable=too-many-public-methods
+class ServicerContext(Generic[RequestType, ResponseType], abc.ABC):
+    """A context object passed to method implementations."""
+
+    @abc.abstractmethod
+    async def read(self) -> RequestType:
+        """Reads one message from the RPC.
+
+        Only one read operation is allowed simultaneously.
+
+        Returns:
+          A response message of the RPC.
+
+        Raises:
+          An RpcError exception if the read failed.
+        """
+
+    @abc.abstractmethod
+    async def write(self, message: ResponseType) -> None:
+        """Writes one message to the RPC.
+
+        Only one write operation is allowed simultaneously.
+
+        Raises:
+          An RpcError exception if the write failed.
+        """
+
+    @abc.abstractmethod
+    async def send_initial_metadata(
+        self, initial_metadata: MetadataType
+    ) -> None:
+        """Sends the initial metadata value to the client.
+
+        This method need not be called by implementations if they have no
+        metadata to add to what the gRPC runtime will transmit.
+
+        Args:
+          initial_metadata: The initial :term:`metadata`.
+        """
+
+    @abc.abstractmethod
+    async def abort(
+        self,
+        code: grpc.StatusCode,
+        details: str = "",
+        trailing_metadata: MetadataType = tuple(),
+    ) -> NoReturn:
+        """Raises an exception to terminate the RPC with a non-OK status.
+
+        The code and details passed as arguments will supersede any existing
+        ones.
+
+        Args:
+          code: A StatusCode object to be sent to the client.
+            It must not be StatusCode.OK.
+          details: A UTF-8-encodable string to be sent to the client upon
+            termination of the RPC.
+          trailing_metadata: A sequence of tuple represents the trailing
+            :term:`metadata`.
+
+        Raises:
+          Exception: An exception is always raised to signal the abortion the
+            RPC to the gRPC runtime.
+        """
+
+    @abc.abstractmethod
+    def set_trailing_metadata(self, trailing_metadata: MetadataType) -> None:
+        """Sends the trailing metadata for the RPC.
+
+        This method need not be called by implementations if they have no
+        metadata to add to what the gRPC runtime will transmit.
+
+        Args:
+          trailing_metadata: The trailing :term:`metadata`.
+        """
+
+    @abc.abstractmethod
+    def invocation_metadata(self) -> Optional[MetadataType]:
+        """Accesses the metadata sent by the client.
+
+        Returns:
+          The invocation :term:`metadata`.
+        """
+
+    @abc.abstractmethod
+    def set_code(self, code: grpc.StatusCode) -> None:
+        """Sets the value to be used as status code upon RPC completion.
+
+        This method need not be called by method implementations if they wish
+        the gRPC runtime to determine the status code of the RPC.
+
+        Args:
+          code: A StatusCode object to be sent to the client.
+        """
+
+    @abc.abstractmethod
+    def set_details(self, details: str) -> None:
+        """Sets the value to be used the as detail string upon RPC completion.
+
+        This method need not be called by method implementations if they have
+        no details to transmit.
+
+        Args:
+          details: A UTF-8-encodable string to be sent to the client upon
+            termination of the RPC.
+        """
+
+    @abc.abstractmethod
+    def set_compression(self, compression: grpc.Compression) -> None:
+        """Set the compression algorithm to be used for the entire call.
+
+        Args:
+          compression: An element of grpc.compression, e.g.
+            grpc.compression.Gzip.
+        """
+
+    @abc.abstractmethod
+    def disable_next_message_compression(self) -> None:
+        """Disables compression for the next response message.
+
+        This method will override any compression configuration set during
+        server creation or set on the call.
+        """
+
+    @abc.abstractmethod
+    def peer(self) -> str:
+        """Identifies the peer that invoked the RPC being serviced.
+
+        Returns:
+          A string identifying the peer that invoked the RPC being serviced.
+          The string format is determined by gRPC runtime.
+        """
+
+    @abc.abstractmethod
+    def peer_identities(self) -> Optional[Iterable[bytes]]:
+        """Gets one or more peer identity(s).
+
+        Equivalent to
+        servicer_context.auth_context().get(servicer_context.peer_identity_key())
+
+        Returns:
+          An iterable of the identities, or None if the call is not
+          authenticated. Each identity is returned as a raw bytes type.
+        """
+
+    @abc.abstractmethod
+    def peer_identity_key(self) -> Optional[str]:
+        """The auth property used to identify the peer.
+
+        For example, "x509_common_name" or "x509_subject_alternative_name" are
+        used to identify an SSL peer.
+
+        Returns:
+          The auth property (string) that indicates the
+          peer identity, or None if the call is not authenticated.
+        """
+
+    @abc.abstractmethod
+    def auth_context(self) -> Mapping[str, Iterable[bytes]]:
+        """Gets the auth context for the call.
+
+        Returns:
+          A map of strings to an iterable of bytes for each auth property.
+        """
+
+    def time_remaining(self) -> float:
+        """Describes the length of allowed time remaining for the RPC.
+
+        Returns:
+          A nonnegative float indicating the length of allowed time in seconds
+          remaining for the RPC to complete before it is considered to have
+          timed out, or None if no deadline was specified for the RPC.
+        """
+
+    def trailing_metadata(self):
+        """Access value to be used as trailing metadata upon RPC completion.
+
+        This is an EXPERIMENTAL API.
+
+        Returns:
+          The trailing :term:`metadata` for the RPC.
+        """
+        raise NotImplementedError()
+
+    def code(self):
+        """Accesses the value to be used as status code upon RPC completion.
+
+        This is an EXPERIMENTAL API.
+
+        Returns:
+          The StatusCode value for the RPC.
+        """
+        raise NotImplementedError()
+
+    def details(self):
+        """Accesses the value to be used as detail string upon RPC completion.
+
+        This is an EXPERIMENTAL API.
+
+        Returns:
+          The details string of the RPC.
+        """
+        raise NotImplementedError()
+
+    def add_done_callback(self, callback: DoneCallbackType) -> None:
+        """Registers a callback to be called on RPC termination.
+
+        This is an EXPERIMENTAL API.
+
+        Args:
+          callback: A callable object will be called with the servicer context
+            object as its only argument.
+        """
+
+    def cancelled(self) -> bool:
+        """Return True if the RPC is cancelled.
+
+        The RPC is cancelled when the cancellation was requested with cancel().
+
+        This is an EXPERIMENTAL API.
+
+        Returns:
+          A bool indicates whether the RPC is cancelled or not.
+        """
+
+    def done(self) -> bool:
+        """Return True if the RPC is done.
+
+        An RPC is done if the RPC is completed, cancelled or aborted.
+
+        This is an EXPERIMENTAL API.
+
+        Returns:
+          A bool indicates if the RPC is done.
+        """