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#!/usr/bin/env python3
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# Copyright 2021 gRPC authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import sys
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os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../../..'))
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# Allowance for overrides for specific files
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EXPECTED_NAMES = {
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'src/proto/grpc/channelz': 'channelz',
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'src/proto/grpc/status': 'status',
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'src/proto/grpc/testing': 'testing',
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'src/proto/grpc/testing/duplicate': 'duplicate',
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'src/proto/grpc/lb/v1': 'lb',
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'src/proto/grpc/testing/xds': 'xds',
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'src/proto/grpc/testing/xds/v3': 'xds_v3',
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'src/proto/grpc/core': 'core',
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'src/proto/grpc/health/v1': 'health',
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'src/proto/grpc/reflection/v1alpha': 'reflection',
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'src/proto/grpc/reflection/v1': 'reflection_v1',
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}
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errors = 0
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for root, dirs, files in os.walk('.'):
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if root.startswith('./'):
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root = root[len('./'):]
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# don't check third party
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if root.startswith('third_party/'):
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continue
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# only check BUILD files
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if 'BUILD' not in files:
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continue
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text = open('%s/BUILD' % root).read()
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# find a grpc_package clause
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pkg_start = text.find('grpc_package(')
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if pkg_start == -1:
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continue
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# parse it, taking into account nested parens
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pkg_end = pkg_start + len('grpc_package(')
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level = 1
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while level == 1:
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if text[pkg_end] == ')':
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level -= 1
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elif text[pkg_end] == '(':
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level += 1
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pkg_end += 1
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# it's a python statement, so evaluate it to pull out the name of the package
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name = eval(text[pkg_start:pkg_end],
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{'grpc_package': lambda name, **kwargs: name})
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# the name should be the path within the source tree, excepting some special
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# BUILD files (really we should normalize them too at some point)
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# TODO(ctiller): normalize all package names
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expected_name = EXPECTED_NAMES.get(root, root)
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if name != expected_name:
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print("%s/BUILD should define a grpc_package with name=%r, not %r" %
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(root, expected_name, name))
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errors += 1
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if errors != 0:
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sys.exit(1)
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