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Generate python protobufs for paddle.v2.framework

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Python should be able to manipulate Protobuf message because:

1. Python's `create_op_creation_methods` take the `OpProto` array to
   generate all `op_creation_methods` in RunTime.

2. All `op_creation_methods` will create an `OpDesc` and pass it to
   Paddle C++ method `CreateOp` and return the Op handle.

Here is the list of what is added in this commit:

* Add `protobuf_generate_python` if it is not defined.
  * Before cmake 3.4, `protobuf_generate_python` is not defined. Just
    copy the implementation of that function in `protobuf.cmake`
* Add `py_proto_compile` function in `cmake/generic.cmake`.
  * It follows bazel's API interface.
    * https://github.com/pubref/rules_protobuf#rules
* Add an empty package named `paddle.v2.framework`, all python code of
  `paddle::framework` will be in that package.
* Generate protobuf's python module `__init__.py` by `touch` while
  compiling.
* Change setup.py.in, make `paddle.v2.framework.proto` uses the
  generated protobuf pythons.
gangliao-patch-1
Yu Yang 8 years ago
parent 4d899a8e6b
commit e2ea1f42e9
8 changed files with 109 additions and 4 deletions
Show Stats Download Patch File Download Diff File

59
cmake/external/protobuf.cmake vendored
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@ -17,6 +17,65 @@ INCLUDE(ExternalProject)
FIND_PACKAGE(Protobuf QUIET)
SET(PROTOBUF_FOUND "OFF")
if(NOT COMMAND protobuf_generate_python) # before cmake 3.4, protobuf_genrerate_python is not defined.
function(protobuf_generate_python SRCS)
# shameless copy from https://github.com/Kitware/CMake/blob/master/Modules/FindProtobuf.cmake
if(NOT ARGN)
message(SEND_ERROR "Error: PROTOBUF_GENERATE_PYTHON() called without any proto files")
return()
endif()
if(PROTOBUF_GENERATE_CPP_APPEND_PATH)
# Create an include path for each file specified
foreach(FIL ${ARGN})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(ABS_PATH ${ABS_FIL} PATH)
list(FIND _protobuf_include_path ${ABS_PATH} _contains_already)
if(${_contains_already} EQUAL -1)
list(APPEND _protobuf_include_path -I ${ABS_PATH})
endif()
endforeach()
else()
set(_protobuf_include_path -I ${CMAKE_CURRENT_SOURCE_DIR})
endif()
if(DEFINED PROTOBUF_IMPORT_DIRS AND NOT DEFINED Protobuf_IMPORT_DIRS)
set(Protobuf_IMPORT_DIRS "${PROTOBUF_IMPORT_DIRS}")
endif()
if(DEFINED Protobuf_IMPORT_DIRS)
foreach(DIR ${Protobuf_IMPORT_DIRS})
get_filename_component(ABS_PATH ${DIR} ABSOLUTE)
list(FIND _protobuf_include_path ${ABS_PATH} _contains_already)
if(${_contains_already} EQUAL -1)
list(APPEND _protobuf_include_path -I ${ABS_PATH})
endif()
endforeach()
endif()
set(${SRCS})
foreach(FIL ${ARGN})
get_filename_component(ABS_FIL ${FIL} ABSOLUTE)
get_filename_component(FIL_WE ${FIL} NAME_WE)
if(NOT PROTOBUF_GENERATE_CPP_APPEND_PATH)
get_filename_component(FIL_DIR ${FIL} DIRECTORY)
if(FIL_DIR)
set(FIL_WE "${FIL_DIR}/${FIL_WE}")
endif()
endif()
list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}_pb2.py")
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}_pb2.py"
COMMAND ${Protobuf_PROTOC_EXECUTABLE} --python_out ${CMAKE_CURRENT_BINARY_DIR} ${_protobuf_include_path} ${ABS_FIL}
DEPENDS ${ABS_FIL} ${Protobuf_PROTOC_EXECUTABLE}
COMMENT "Running Python protocol buffer compiler on ${FIL}"
VERBATIM )
endforeach()
set(${SRCS} ${${SRCS}} PARENT_SCOPE)
endfunction()
endif()
# Print and set the protobuf library information,
# finish this cmake process and exit from this file.

9
cmake/generic.cmake
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@ -335,3 +335,12 @@ function(proto_library TARGET_NAME)
protobuf_generate_cpp(proto_srcs proto_hdrs ${proto_library_SRCS})
cc_library(${TARGET_NAME} SRCS ${proto_srcs} DEPS ${proto_library_DEPS} protobuf)
endfunction()
function(py_proto_compile TARGET_NAME)
set(oneValueArgs "")
set(multiValueArgs SRCS)
cmake_parse_arguments(py_proto_compile "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
set(py_srcs)
protobuf_generate_python(py_srcs ${py_proto_compile_SRCS})
add_custom_target(${TARGET_NAME} ALL DEPENDS ${py_srcs})
endfunction()

5
paddle/framework/CMakeLists.txt
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@ -9,6 +9,9 @@ cc_test(enforce_test SRCS enforce_test.cc)
proto_library(attr_type SRCS attr_type.proto)
proto_library(op_proto SRCS op_proto.proto DEPS attr_type)
cc_test(op_proto_test SRCS op_proto_test.cc DEPS op_proto protobuf)
proto_library(op_desc SRCS op_desc.proto DEPS attr_type)
cc_test(op_desc_test SRCS op_desc_test.cc DEPS op_desc protobuf)
py_proto_compile(framework_py_proto SRCS attr_type.proto op_proto.proto op_desc.proto)
# Generate an empty __init__.py to make framework_py_proto as a valid python module.
add_custom_target(framework_py_proto_init ALL COMMAND ${CMAKE_COMMAND} -E touch __init__.py)
add_dependencies(framework_py_proto framework_py_proto_init)

3
python/CMakeLists.txt
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@ -29,7 +29,7 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/setup.py.in
add_custom_command(OUTPUT ${OUTPUT_DIR}/.timestamp
COMMAND env ${py_env} ${PYTHON_EXECUTABLE} setup.py bdist_wheel
COMMAND ${CMAKE_COMMAND} -E touch ${OUTPUT_DIR}/.timestamp
DEPENDS gen_proto_py ${PY_FILES} ${external_project_dependencies} ${COPY_PADDLE_MASTER})
DEPENDS gen_proto_py framework_py_proto ${PY_FILES} ${external_project_dependencies} ${COPY_PADDLE_MASTER})
add_custom_target(paddle_python ALL DEPENDS
${OUTPUT_DIR}/.timestamp)
@ -43,6 +43,7 @@ if (WITH_TESTING)
add_subdirectory(paddle/v2/tests)
add_subdirectory(paddle/v2/reader/tests)
add_subdirectory(paddle/v2/plot/tests)
add_subdirectory(paddle/v2/framework/tests)
endif()
endif()
install(DIRECTORY ${PADDLE_PYTHON_PACKAGE_DIR}

1
python/paddle/v2/framework/__init__.py
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@ -0,0 +1 @@
__all__ = ['proto']

1
python/paddle/v2/framework/tests/CMakeLists.txt
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@ -0,0 +1 @@
add_python_test(test_framework test_protobuf.py)

26
python/paddle/v2/framework/tests/test_protobuf.py
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@ -0,0 +1,26 @@
import paddle.v2.framework.proto.op_proto_pb2
import paddle.v2.framework.proto.attr_type_pb2
import unittest
class TestFrameworkProto(unittest.TestCase):
def test_all(self):
op_proto_lib = paddle.v2.framework.proto.op_proto_pb2
attr_type_lib = paddle.v2.framework.proto.attr_type_pb2
op_proto = op_proto_lib.OpProto()
ipt0 = op_proto.inputs.add()
ipt0.name = "a"
ipt0.comment = "the input of cosine op"
ipt1 = op_proto.inputs.add()
ipt1.name = "b"
ipt1.comment = "the other input of cosine op"
opt = op_proto.outputs.add()
opt.name = "output"
opt.comment = "the output of cosine op"
op_proto.comment = "cosine op, output = scale*cos(a, b)"
attr = op_proto.attrs.add()
attr.name = "scale"
attr.comment = "scale of cosine op"
attr.type = attr_type_lib.FLOAT
op_proto.type = "cos"
self.assertTrue(op_proto.IsInitialized())

9
python/setup.py.in
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@ -9,7 +9,9 @@ packages=['paddle',
'paddle.v2.dataset',
'paddle.v2.reader',
'paddle.v2.master',
'paddle.v2.plot']
'paddle.v2.plot',
'paddle.v2.framework',
'paddle.v2.framework.proto']
setup_requires=["requests",
"numpy",
@ -29,6 +31,9 @@ setup(name='paddle',
packages=packages,
package_data={'paddle.v2.master': ['${paddle_master_LIB_NAME}'], },
package_dir={
'': '${CMAKE_CURRENT_SOURCE_DIR}'
'': '${CMAKE_CURRENT_SOURCE_DIR}',
# The paddle.v2.framework.proto will be generated while compiling.
# So that package points to other directory.
'paddle.v2.framework.proto': '${CMAKE_BINARY_DIR}/paddle/framework'
},
)

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