aboutsummaryrefslogtreecommitdiffhomepage
path: root/tools/distrib/python/make_grpcio_tools.py
blob: 7413928eca69ac441ea7bd8061f5d41e9fcd55ff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
#!/usr/bin/env python

# Copyright 2016, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

from __future__ import print_function

import errno
import filecmp
import glob
import os
import os.path
import shutil
import subprocess
import sys
import traceback
import uuid

DEPS_FILE_CONTENT="""
# Copyright 2016, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# AUTO-GENERATED BY make_grpcio_tools.py!
CC_FILES={cc_files}
PROTO_FILES={proto_files}

CC_INCLUDE={cc_include}
PROTO_INCLUDE={proto_include}
"""

# Bazel query result prefix for expected source files in protobuf.
PROTOBUF_CC_PREFIX = '//:src/'
PROTOBUF_PROTO_PREFIX = '//:src/'

GRPC_ROOT = os.path.abspath(
    os.path.join(os.path.dirname(os.path.abspath(__file__)),
                 '..', '..', '..'))

GRPC_PYTHON_ROOT = os.path.join(GRPC_ROOT, 'tools', 'distrib',
                                'python', 'grpcio_tools')

GRPC_PYTHON_PROTOBUF_RELATIVE_ROOT = os.path.join('third_party', 'protobuf', 'src')
GRPC_PROTOBUF = os.path.join(GRPC_ROOT, GRPC_PYTHON_PROTOBUF_RELATIVE_ROOT)
GRPC_PROTOC_PLUGINS = os.path.join(GRPC_ROOT, 'src', 'compiler')
GRPC_PYTHON_PROTOBUF = os.path.join(GRPC_PYTHON_ROOT, 'third_party', 'protobuf',
                                    'src')
GRPC_PYTHON_PROTOC_PLUGINS = os.path.join(GRPC_PYTHON_ROOT, 'grpc_root', 'src',
                                          'compiler')
GRPC_PYTHON_PROTOC_LIB_DEPS = os.path.join(GRPC_PYTHON_ROOT,
                                           'protoc_lib_deps.py')

GRPC_INCLUDE = os.path.join(GRPC_ROOT, 'include')
GRPC_PYTHON_INCLUDE = os.path.join(GRPC_PYTHON_ROOT, 'grpc_root', 'include')

BAZEL_DEPS = os.path.join(GRPC_ROOT, 'tools', 'distrib', 'python', 'bazel_deps.sh')
BAZEL_DEPS_PROTOC_LIB_QUERY = '//:protoc_lib'
BAZEL_DEPS_COMMON_PROTOS_QUERY = '//:well_known_protos'


def bazel_query(query):
  output = subprocess.check_output([BAZEL_DEPS, query])
  return output.splitlines()

def get_deps():
  """Write the result of the bazel query `query` against protobuf to
     `out_file`."""
  cc_files_output = bazel_query(BAZEL_DEPS_PROTOC_LIB_QUERY)
  cc_files = [
      name[len(PROTOBUF_CC_PREFIX):] for name in cc_files_output
      if name.endswith('.cc') and name.startswith(PROTOBUF_CC_PREFIX)]
  proto_files_output = bazel_query(BAZEL_DEPS_COMMON_PROTOS_QUERY)
  proto_files = [
      name[len(PROTOBUF_PROTO_PREFIX):] for name in proto_files_output
      if name.endswith('.proto') and name.startswith(PROTOBUF_PROTO_PREFIX)]
  deps_file_content = DEPS_FILE_CONTENT.format(
      cc_files=cc_files,
      proto_files=proto_files,
      cc_include=repr(GRPC_PYTHON_PROTOBUF_RELATIVE_ROOT),
      proto_include=repr(GRPC_PYTHON_PROTOBUF_RELATIVE_ROOT))
  return deps_file_content

def long_path(path):
  if os.name == 'nt':
    return '\\\\?\\' + path
  else:
    return path

def main():
  os.chdir(GRPC_ROOT)

  for source, target in [
      (GRPC_PROTOBUF, GRPC_PYTHON_PROTOBUF),
      (GRPC_PROTOC_PLUGINS, GRPC_PYTHON_PROTOC_PLUGINS),
      (GRPC_INCLUDE, GRPC_PYTHON_INCLUDE)]:
    for source_dir, _, files in os.walk(source):
      target_dir = os.path.abspath(os.path.join(target, os.path.relpath(source_dir, source)))
      try:
        os.makedirs(target_dir)
      except OSError as error:
        if error.errno != errno.EEXIST:
          raise
      for relative_file in files:
        source_file = os.path.abspath(os.path.join(source_dir, relative_file))
        target_file = os.path.abspath(os.path.join(target_dir, relative_file))
        shutil.copyfile(source_file, target_file)

  try:
    protoc_lib_deps_content = get_deps()
  except Exception as error:
    # We allow this script to succeed even if we couldn't get the dependencies,
    # as then we can assume that even without a successful bazel run the
    # dependencies currently in source control are 'good enough'.
    sys.stderr.write("Got non-fatal error:\n")
    traceback.print_exc(file=sys.stderr)
    return
  # If we successfully got the dependencies, truncate and rewrite the deps file.
  with open(GRPC_PYTHON_PROTOC_LIB_DEPS, 'w') as deps_file:
    deps_file.write(protoc_lib_deps_content)

if __name__ == '__main__':
  main()