The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#) https://grpc.io/
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# Copyright 2019 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.
"""Buildgen attribute validation plugin."""
def anything():
return lambda v: None
def one_of(values):
return lambda v: ('{0} is not in [{1}]'.format(v, values)
if v not in values else None)
def subset_of(values):
return lambda v: ('{0} is not subset of [{1}]'.format(v, values)
if not all(e in values for e in v) else None)
VALID_ATTRIBUTE_KEYS_MAP = {
'filegroup': {
'deps': anything(),
'headers': anything(),
'plugin': anything(),
'public_headers': anything(),
'src': anything(),
'uses': anything(),
},
'lib': {
'asm_src': anything(),
'baselib': anything(),
'boringssl': one_of((True,)),
'build_system': anything(),
'build': anything(),
'cmake_target': anything(),
'defaults': anything(),
'deps_linkage': one_of(('static',)),
'deps': anything(),
'dll': one_of((True, 'only')),
'filegroups': anything(),
'generate_plugin_registry': anything(),
'headers': anything(),
'language': one_of(('c', 'c++', 'csharp')),
'LDFLAGS': anything(),
'platforms': subset_of(('linux', 'mac', 'posix', 'windows')),
'public_headers': anything(),
'secure': one_of(('check', True, False)),
'src': anything(),
'vs_proj_dir': anything(),
'zlib': one_of((True,)),
},
'target': {
'args': anything(),
'benchmark': anything(),
'boringssl': one_of((True,)),
'build': anything(),
'ci_platforms': anything(),
'corpus_dirs': anything(),
'cpu_cost': anything(),
'defaults': anything(),
'deps': anything(),
'dict': anything(),
'exclude_configs': anything(),
'exclude_iomgrs': anything(),
'excluded_poll_engines': anything(),
'filegroups': anything(),
'flaky': one_of((True, False)),
'gtest': one_of((True, False)),
'headers': anything(),
'language': one_of(('c', 'c89', 'c++', 'csharp')),
'maxlen': anything(),
'platforms': subset_of(('linux', 'mac', 'posix', 'windows')),
'run': one_of((True, False)),
'secure': one_of(('check', True, False)),
'src': anything(),
'timeout_seconds': anything(),
'uses_polling': anything(),
'vs_proj_dir': anything(),
'zlib': one_of((True,)),
},
'external_proto_library': {
'destination': anything(),
'proto_prefix': anything(),
'urls': anything(),
'hash': anything(),
'strip_prefix': anything(),
}
}
def check_attributes(entity, kind, errors):
attributes = VALID_ATTRIBUTE_KEYS_MAP[kind]
name = entity.get('name', anything())
for key, value in list(entity.items()):
if key == 'name':
continue
validator = attributes.get(key)
if validator:
error = validator(value)
if error:
errors.append(
"{0}({1}) has an invalid value for '{2}': {3}".format(
name, kind, key, error))
else:
errors.append("{0}({1}) has an invalid attribute '{2}'".format(
name, kind, key))
def mako_plugin(dictionary):
"""The exported plugin code for check_attr.
This validates that filegroups, libs, and target can have only valid
attributes. This is mainly for preventing build.yaml from having
unnecessary and misleading attributes accidentally.
"""
errors = []
for filegroup in dictionary.get('filegroups', {}):
check_attributes(filegroup, 'filegroup', errors)
for lib in dictionary.get('libs', {}):
check_attributes(lib, 'lib', errors)
for target in dictionary.get('targets', {}):
check_attributes(target, 'target', errors)
for target in dictionary.get('external_proto_libraries', {}):
check_attributes(target, 'external_proto_library', errors)
if errors:
raise Exception('\n'.join(errors))