/
_import_hook.py
59 lines (44 loc) · 1.78 KB
/
_import_hook.py
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from __future__ import annotations
from typing import TYPE_CHECKING
if TYPE_CHECKING:
import types
def import_generated_stubs(
version: str = "v1alpha1",
file: str = "service.proto",
) -> tuple[types.ModuleType, types.ModuleType]:
"""
Import generated stubs.
Args:
version: The version of the proto file to import.
file: The name of the proto file to import.
Returns:
A tuple of the generated stubs for the proto file.
Examples:
.. code-block:: python
from bentoml.grpc.utils import import_generated_stubs
# given proto file bentoml/grpc/v1alpha2/service.proto exists
pb, services = import_generated_stubs(version="v1alpha2", file="service.proto")
"""
# generate git root from this file's path
from bentoml._internal.utils import LazyLoader
exception_message = f"Generated stubs for '{version}/{file}' are missing (broken installation). Please reinstall bentoml: 'pip install bentoml[grpc].'"
file = file.split(".")[0]
service_pb2 = LazyLoader(
f"{file}_pb2",
globals(),
f"bentoml.grpc.{version}.{file}_pb2",
exc_msg=exception_message,
)
service_pb2_grpc = LazyLoader(
f"{file}_pb2_grpc",
globals(),
f"bentoml.grpc.{version}.{file}_pb2_grpc",
exc_msg=exception_message,
)
return service_pb2, service_pb2_grpc
def import_grpc() -> tuple[types.ModuleType, types.ModuleType]:
from bentoml._internal.utils import LazyLoader
exception_message = "'grpcio' is required for gRPC support. Install with 'pip install bentoml[grpc]'."
grpc = LazyLoader("grpc", globals(), "grpc", exc_msg=exception_message)
aio = LazyLoader("aio", globals(), "grpc.aio", exc_msg=exception_message)
return grpc, aio