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#!/usr/bin/env python
# Copyright 2016 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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 2017 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# AUTO-GENERATED BY make_grpcio_tools.py!
CC_FILES={cc_files}
PROTO_FILES={proto_files}
CC_INCLUDE={cc_include}
PROTO_INCLUDE={proto_include}
{commit_hash}
"""
COMMIT_HASH_PREFIX = 'PROTOBUF_SUBMODULE_VERSION="'
COMMIT_HASH_SUFFIX = '"'
# 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_PROTOBUF_SUBMODULE_ROOT = os.path.join(GRPC_ROOT, 'third_party', 'protobuf')
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 protobuf_submodule_commit_hash():
"""Gets the commit hash for the HEAD of the protobuf submodule currently
checked out."""
cwd = os.getcwd()
os.chdir(GRPC_PROTOBUF_SUBMODULE_ROOT)
output = subprocess.check_output(['git', 'rev-parse', 'HEAD'])
os.chdir(cwd)
return output.splitlines()[0].strip()
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)]
commit_hash = protobuf_submodule_commit_hash()
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),
commit_hash=COMMIT_HASH_PREFIX + commit_hash + COMMIT_HASH_SUFFIX)
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()
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