Generate correct import using protoc in Python

Question

I'm using proto3 in my python project. Everything work good but when I generate classes from proto files import is not correct.

I have directory structure like this.

project/endpoints/protos -> image.proto

I want output files in.

project/endpoints/grpc -> generated classes from proto files

I'm using this command to generate classes from proto files.

python -m grpc.tools.protoc \
    --include_imports \
    --include_source_info \
    --proto_path=project/endpoints/protos \
    --python_out=project/endpoints/grpc \
    --grpc_python_out=project/endpoints/grpc \
    image.proto

I also tried it with python3 .... but same result.

it generate the files in project/endpoints/grpc but problem is the import is not correct. When I see import it look like.

import image_pb2 as image__pb2

But it should be like this.

import project.endpoints.grpc.image_pb2 as image__pb2

Can you please let me know how to generate import like this.

Otto Millrath · Accepted Answer · 2020-03-13 18:49:05Z

1

after much research

i found it in here

Solution in Mint:

sudo apt-get install 2to3

run to adjust the imports:

2to3 path/of/generated -w -n

so

import image_pb2

will change to

from . import image_pb2

answered Mar 13, 2020 at 18:49

Otto Millrath

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Comments

Yan QiDong · Accepted Answer · 2021-09-18 01:29:22Z

0

If you need:

from project.endpoints.grpc import image_pb2 as image__pb2

You should write this in the proto file:

import "project/endpoints/grpc/image.proto"

And then set the current directory or --proto_path to the parent of "project".

answered Sep 18, 2021 at 1:29

Yan QiDong

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