64 lines
2.1 KiB
CMake
64 lines
2.1 KiB
CMake
# Copyright 2022 Google LLC. All rights reserved.
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#
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file or at
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# https://developers.google.com/open-source/licenses/bsd
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# Build generated python sources for the protobuf library.
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set(protobuf_py_proto_path ${CMAKE_CURRENT_SOURCE_DIR}/source/src)
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set(protobuf_py_library_path ${CMAKE_CURRENT_SOURCE_DIR}/source/python)
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set(protobuf_py_output_path ${CMAKE_CURRENT_BINARY_DIR}/py)
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# Copy the library without the generated sources.
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add_custom_command(
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DEPENDS
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${protobuf_py_proto_path}
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OUTPUT
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${protobuf_py_output_path}/google
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COMMAND
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${CMAKE_COMMAND} -E copy_directory
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${CMAKE_CURRENT_SOURCE_DIR}/source/python/google
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${protobuf_py_output_path}/google)
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# This list was taken from packager/third_party/protobuf/source/python/setup.py
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set(protobuf_py_filenames
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google/protobuf/descriptor
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google/protobuf/compiler/plugin
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google/protobuf/any
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google/protobuf/api
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google/protobuf/duration
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google/protobuf/empty
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google/protobuf/field_mask
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google/protobuf/source_context
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google/protobuf/struct
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google/protobuf/timestamp
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google/protobuf/type
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google/protobuf/wrappers)
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# For each proto in the list, generate a _pb2.py file to add to the library.
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set(protobuf_py_outputs "")
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foreach (filename ${protobuf_py_filenames})
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set(proto_path "${protobuf_py_proto_path}/${filename}.proto")
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set(output_path "${protobuf_py_output_path}/${filename}_pb2.py")
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list(APPEND protobuf_py_outputs "${output_path}")
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add_custom_command(
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DEPENDS
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protoc
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${proto_path}
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${protobuf_py_output_path}/google
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OUTPUT
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${output_path}
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COMMAND
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protoc
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ARGS
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-I${protobuf_py_proto_path}
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--python_out=${protobuf_py_output_path}
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${proto_path})
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endforeach ()
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# The entire python protobuf library (repo source and generated) to the output
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# folder.
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add_custom_target(protobuf_py ALL DEPENDS ${protobuf_py_outputs})
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