Expose paddle.framework by pybind11 (#2793)
* Expose paddle.framework by pybind11
* Export paddle.framework.{Scope, Variable} to paddle.v2.framework.core.
* See python/paddle/v2/framework/tests/test_scope.py for Python usage
* See paddle/pybind/pybind.cc for C++ bind code.
* add copyright
gangliao-patch-1
Yu Yang
8 years ago
committed by
Qiao Longfei
parent
ef67d08c5a
commit
27b196ba6d
@ -0,0 +1,30 @@
|
||||
INCLUDE(ExternalProject)
|
||||
|
||||
SET(PYBIND_SOURCE_DIR ${THIRD_PARTY_PATH}/pybind)
|
||||
|
||||
INCLUDE_DIRECTORIES(${PYBIND_SOURCE_DIR}/src/extern_pybind/include)
|
||||
|
||||
ExternalProject_Add(
|
||||
extern_pybind
|
||||
${EXTERNAL_PROJECT_LOG_ARGS}
|
||||
GIT_REPOSITORY "https://github.com/pybind/pybind11.git"
|
||||
GIT_TAG "v2.1.1"
|
||||
PREFIX ${PYBIND_SOURCE_DIR}
|
||||
UPDATE_COMMAND ""
|
||||
CONFIGURE_COMMAND ""
|
||||
BUILD_COMMAND ""
|
||||
INSTALL_COMMAND ""
|
||||
TEST_COMMAND ""
|
||||
)
|
||||
|
||||
if (${CMAKE_VERSION} VERSION_LESS "3.3.0")
|
||||
set(dummyfile ${CMAKE_CURRENT_BINARY_DIR}/pybind_dummy.c)
|
||||
file(WRITE ${dummyfile} "const char * dummy_any = \"${dummyfile}\";")
|
||||
add_library(pybind STATIC ${dummyfile})
|
||||
else()
|
||||
add_library(pybind INTERFACE)
|
||||
endif()
|
||||
|
||||
add_dependencies(pybind extern_pybind)
|
||||
|
||||
LIST(APPEND external_project_dependencies pybind)
|
||||
@ -0,0 +1 @@
|
||||
cc_library(paddle_pybind SHARED SRCS pybind.cc DEPS pybind python)
|
||||
@ -0,0 +1,46 @@
|
||||
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
|
||||
|
||||
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. */
|
||||
|
||||
#include <paddle/framework/scope.h>
|
||||
#include <pybind11/pybind11.h>
|
||||
|
||||
namespace py = pybind11;
|
||||
namespace pd = paddle::framework;
|
||||
|
||||
PYBIND11_PLUGIN(core) {
|
||||
py::module m("core", "C++ core of Paddle Paddle");
|
||||
|
||||
py::class_<pd::Variable>(m, "Variable", R"DOC(Variable Class.
|
||||
|
||||
All parameter, weight, gradient are variables in Paddle.
|
||||
)DOC")
|
||||
.def("is_int", [](const pd::Variable& var) { return var.IsType<int>(); })
|
||||
.def("set_int",
|
||||
[](pd::Variable& var, int val) -> void {
|
||||
*var.GetMutable<int>() = val;
|
||||
})
|
||||
.def("get_int",
|
||||
[](const pd::Variable& var) -> int { return var.Get<int>(); });
|
||||
|
||||
py::class_<pd::Scope, std::shared_ptr<pd::Scope>>(m, "Scope")
|
||||
.def(py::init<const std::shared_ptr<pd::Scope>&>())
|
||||
.def("get_var",
|
||||
&pd::Scope::GetVariable,
|
||||
py::return_value_policy::reference)
|
||||
.def("create_var",
|
||||
&pd::Scope::CreateVariable,
|
||||
py::return_value_policy::reference);
|
||||
|
||||
return m.ptr();
|
||||
}
|
||||
@ -1 +1 @@
|
||||
add_python_test(test_framework test_protobuf.py)
|
||||
add_python_test(test_framework test_protobuf.py test_scope.py)
|
||||
|
||||
@ -0,0 +1,37 @@
|
||||
import paddle.v2.framework.core
|
||||
import unittest
|
||||
|
||||
|
||||
class TestScope(unittest.TestCase):
|
||||
def test_create_destroy(self):
|
||||
paddle_c = paddle.v2.framework.core
|
||||
scope = paddle_c.Scope(None)
|
||||
self.assertIsNotNone(scope)
|
||||
scope_with_parent = paddle_c.Scope(scope)
|
||||
self.assertIsNotNone(scope_with_parent)
|
||||
|
||||
def test_none_variable(self):
|
||||
paddle_c = paddle.v2.framework.core
|
||||
scope = paddle_c.Scope(None)
|
||||
self.assertIsNone(scope.get_var("test"))
|
||||
|
||||
def test_create_var_get_var(self):
|
||||
paddle_c = paddle.v2.framework.core
|
||||
scope = paddle_c.Scope(None)
|
||||
var_a = scope.create_var("var_a")
|
||||
self.assertIsNotNone(var_a)
|
||||
self.assertIsNotNone(scope.get_var('var_a'))
|
||||
scope2 = paddle_c.Scope(scope)
|
||||
self.assertIsNotNone(scope2.get_var('var_a'))
|
||||
|
||||
def test_var_get_int(self):
|
||||
paddle_c = paddle.v2.framework.core
|
||||
scope = paddle_c.Scope(None)
|
||||
var = scope.create_var("test_int")
|
||||
var.set_int(10)
|
||||
self.assertTrue(var.is_int())
|
||||
self.assertEqual(10, var.get_int())
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
Loading…
Reference in new issue