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1# Copyright 2015 gRPC authors.
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#     http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14"""Provides setuptools command classes for the GRPC Python setup process."""
15
16import os
17import shutil
18
19import setuptools
20
21ROOT_DIR = os.path.abspath(os.path.dirname(os.path.abspath(__file__)))
22HEALTH_PROTO = os.path.join(ROOT_DIR, "../../proto/grpc/health/v1/health.proto")
23LICENSE = os.path.join(ROOT_DIR, "../../../LICENSE")
24
25
26class Preprocess(setuptools.Command):
27    """Command to copy proto modules from grpc/src/proto and LICENSE from
28    the root directory"""
29
30    description = ""
31    user_options = []
32
33    def initialize_options(self):
34        pass
35
36    def finalize_options(self):
37        pass
38
39    def run(self):
40        if os.path.isfile(HEALTH_PROTO):
41            shutil.copyfile(
42                HEALTH_PROTO,
43                os.path.join(ROOT_DIR, "grpc_health/v1/health.proto"),
44            )
45        if os.path.isfile(LICENSE):
46            shutil.copyfile(LICENSE, os.path.join(ROOT_DIR, "LICENSE"))
47
48
49class BuildPackageProtos(setuptools.Command):
50    """Command to generate project *_pb2.py modules from proto files."""
51
52    description = "build grpc protobuf modules"
53    user_options = []
54
55    def initialize_options(self):
56        pass
57
58    def finalize_options(self):
59        pass
60
61    def run(self):
62        # due to limitations of the proto generator, we require that only *one*
63        # directory is provided as an 'include' directory. We assume it's the '' key
64        # to `self.distribution.package_dir` (and get a key error if it's not
65        # there).
66        from grpc_tools import command
67
68        command.build_package_protos(self.distribution.package_dir[""])
69