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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 distutils 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        if os.path.isfile(LICENSE):
45            shutil.copyfile(LICENSE, os.path.join(ROOT_DIR, 'LICENSE'))
46
47
48class BuildPackageProtos(setuptools.Command):
49    """Command to generate project *_pb2.py modules from proto files."""
50
51    description = 'build grpc protobuf modules'
52    user_options = []
53
54    def initialize_options(self):
55        pass
56
57    def finalize_options(self):
58        pass
59
60    def run(self):
61        # due to limitations of the proto generator, we require that only *one*
62        # directory is provided as an 'include' directory. We assume it's the '' key
63        # to `self.distribution.package_dir` (and get a key error if it's not
64        # there).
65        from grpc_tools import command
66        command.build_package_protos(self.distribution.package_dir[''])
67