protobuf.cc 9.7 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
/* 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/pybind/protobuf.h"
Y
Yu Yang 已提交
16
#include <deque>
Y
Yu Yang 已提交
17
#include <iostream>
18
#include "paddle/framework/backward.h"
F
fengjiayi 已提交
19 20 21 22
#include "paddle/framework/block_desc.h"
#include "paddle/framework/op_desc.h"
#include "paddle/framework/program_desc.h"
#include "paddle/framework/var_desc.h"
23

Y
Yu Yang 已提交
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
// Cast boost::variant for PyBind.
// Copy from
// https://github.com/pybind/pybind11/issues/576#issuecomment-269563199
namespace pybind11 {
namespace detail {

// Can be replaced by a generic lambda in C++14
struct variant_caster_visitor : public boost::static_visitor<handle> {
  return_value_policy policy;
  handle parent;

  variant_caster_visitor(return_value_policy policy, handle parent)
      : policy(policy), parent(parent) {}

  template <class T>
  handle operator()(T const &src) const {
    return make_caster<T>::cast(src, policy, parent);
  }
};

template <class Variant>
struct variant_caster;

template <template <class...> class V, class... Ts>
struct variant_caster<V<Ts...>> {
  using Type = V<Ts...>;

Y
Yu Yang 已提交
51 52
  template <typename T>
  typename std::enable_if<
Y
Yu Yang 已提交
53
      !std::is_same<T, boost::detail::variant::void_>::value, bool>::type
Y
Yu Yang 已提交
54
  try_load(handle src, bool convert) {
Y
Yu Yang 已提交
55 56 57 58 59 60 61 62 63
    auto caster = make_caster<T>();
    if (!load_success_ && caster.load(src, convert)) {
      load_success_ = true;
      value = cast_op<T>(caster);
      return true;
    }
    return false;
  }

Y
Yu Yang 已提交
64 65 66 67 68 69 70
  template <typename T>
  typename std::enable_if<std::is_same<T, boost::detail::variant::void_>::value,
                          bool>::type
  try_load(handle src, bool convert) {
    return false;
  }

Y
Yu Yang 已提交
71 72 73 74 75 76
  bool load(handle src, bool convert) {
    auto unused = {false, try_load<Ts>(src, convert)...};
    (void)(unused);
    return load_success_;
  }

Y
Yu Yang 已提交
77
  static handle cast(Type const &src, return_value_policy policy,
Y
Yu Yang 已提交
78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94
                     handle parent) {
    variant_caster_visitor visitor(policy, parent);
    return boost::apply_visitor(visitor, src);
  }

  PYBIND11_TYPE_CASTER(Type, _("Variant"));
  bool load_success_{false};
};

// Add specialization for concrete variant type
template <class... Args>
struct type_caster<boost::variant<Args...>>
    : variant_caster<boost::variant<Args...>> {};

}  // namespace detail
}  // namespace pybind11

95
namespace paddle {
96
namespace pybind {
97

F
fengjiayi 已提交
98 99
using namespace paddle::framework;  // NOLINT

Y
Yu Yang 已提交
100
// Bind Methods
F
fengjiayi 已提交
101
void BindProgramDesc(py::module &m) {
F
fengjiayi 已提交
102
  py::class_<ProgramDescBind>(m, "ProgramDesc", "")
103
      .def(py::init<>())
Y
Yu Yang 已提交
104 105 106 107
      .def("__init__",
           [](ProgramDescBind &self, const ProgramDescBind &other) {
             new (&self) ProgramDescBind(other);
           })
F
fengjiayi 已提交
108
      .def("append_block", &ProgramDescBind::AppendBlock,
109
           py::return_value_policy::reference)
110
      .def("append_backward",
111
           [](ProgramDescBind &program_desc, const VarDescBind &target,
112
              const std::unordered_set<std::string> &no_grad_vars) {
Q
qiaolongfei 已提交
113 114 115 116 117 118 119 120 121 122 123 124 125
             ParamGradInfoMap param_grad_map =
                 AppendBackward(program_desc, target, no_grad_vars);
             std::unordered_map<
                 std::string, std::tuple<std::string /* grad_var_name */,
                                         int /* block_idx */, int /* op_idx */>>
                 retv;
             for (auto it = param_grad_map.begin(); it != param_grad_map.end();
                  ++it) {
               const auto &grad_info = it->second;
               retv[it->first] = std::make_tuple(
                   grad_info.name_, grad_info.block_idx_, grad_info.op_idx_);
             }
             return retv;
126
           })
F
fengjiayi 已提交
127
      .def("block", &ProgramDescBind::Block, py::return_value_policy::reference)
128 129 130 131 132 133 134 135 136 137 138 139
      .def("num_blocks", &ProgramDescBind::Size)
      .def("serialize_to_string",
           [](ProgramDescBind &program_desc) -> py::bytes {
             const ProgramDesc *desc = program_desc.Proto();
             PADDLE_ENFORCE(desc->IsInitialized(),
                            "ProgramDesc has not been initialized.");
             std::string res;
             PADDLE_ENFORCE(
                 desc->SerializeToString(&res),
                 "Serialize ProgramDesc Error. This could be a bug of Paddle.");
             return res;
           });
140 141
}

F
fengjiayi 已提交
142
void BindBlockDesc(py::module &m) {
F
fengjiayi 已提交
143 144 145 146
  py::class_<BlockDescBind>(m, "BlockDesc", "")
      .def_property_readonly("id", &BlockDescBind::ID)
      .def_property_readonly("parent", &BlockDescBind::Parent)
      .def("append_op", &BlockDescBind::AppendOp,
F
fengjiayi 已提交
147
           py::return_value_policy::reference)
F
fengjiayi 已提交
148
      .def("prepend_op", &BlockDescBind::PrependOp,
149
           py::return_value_policy::reference)
D
dongzhihong 已提交
150
      .def("var",
F
fengjiayi 已提交
151
           [](BlockDescBind &self, py::bytes byte_name) {
F
fengjiayi 已提交
152
             std::string name = byte_name;
D
dongzhihong 已提交
153
             return self.Var(name);
F
fengjiayi 已提交
154
           },
Y
Yu Yang 已提交
155
           py::return_value_policy::reference)
Q
Qiao Longfei 已提交
156 157 158 159 160
      .def("has_var",
           [](BlockDescBind &self, py::bytes byte_name) {
             std::string name = byte_name;
             return self.HasVar(name);
           })
D
Dong Zhihong 已提交
161
      .def("find_var",
F
fengjiayi 已提交
162
           [](BlockDescBind &self, py::bytes byte_name) {
F
fengjiayi 已提交
163
             std::string name = byte_name;
D
Dong Zhihong 已提交
164
             return self.FindVar(name);
F
fengjiayi 已提交
165
           },
F
fengjiayi 已提交
166
           py::return_value_policy::reference)
F
fengjiayi 已提交
167
      .def("all_vars", &BlockDescBind::AllVars,
F
fengjiayi 已提交
168
           py::return_value_policy::reference)
169 170
      .def("op_size", &BlockDescBind::OpSize)
      .def("op", &BlockDescBind::Op, py::return_value_policy::reference)
171 172 173 174 175 176 177 178 179 180
      .def("serialize_to_string", [](BlockDescBind &block_desc) -> py::bytes {
        const BlockDesc *desc = block_desc.Proto();
        PADDLE_ENFORCE(desc->IsInitialized(),
                       "BlockDesc has not been initialized.");
        std::string res;
        PADDLE_ENFORCE(
            desc->SerializeToString(&res),
            "Serialize BlockDesc Error. This could be a bug of Paddle.");
        return res;
      });
181 182
}

F
fengjiayi 已提交
183
void BindVarDsec(py::module &m) {
F
fengjiayi 已提交
184
  py::enum_<DataType>(m, "DataType", "")
F
Fix bug  
fengjiayi 已提交
185 186 187 188 189 190 191 192
      .value("BOOL", DataType::BOOL)
      .value("INT16", DataType::INT16)
      .value("INT32", DataType::INT32)
      .value("INT64", DataType::INT64)
      .value("FP16", DataType::FP16)
      .value("FP32", DataType::FP32)
      .value("FP64", DataType::FP64);

Y
Yu Yang 已提交
193 194
  py::class_<VarDescBind> var_desc(m, "VarDesc", "");
  var_desc
F
fengjiayi 已提交
195
      .def("name",
F
fengjiayi 已提交
196
           [](const VarDescBind &self) {
F
fengjiayi 已提交
197 198 199 200
             py::bytes name = self.Name();
             return name;
           },
           py::return_value_policy::reference)
F
fengjiayi 已提交
201 202 203
      .def("set_shape", &VarDescBind::SetShape)
      .def("set_data_type", &VarDescBind::SetDataType)
      .def("shape", &VarDescBind::Shape, py::return_value_policy::reference)
Y
Stash  
Yu Yang 已提交
204 205
      .def("data_type", &VarDescBind::GetDataType)
      .def("lod_level", &VarDescBind::GetLodLevel)
Y
Yu Yang 已提交
206 207
      .def("set_lod_level", &VarDescBind::SetLoDLevel)
      .def("type", &VarDescBind::GetType)
208
      .def("set_type", &VarDescBind::SetType)
209 210 211 212 213 214 215 216 217 218 219 220 221
      .def("serialize_to_string",
           [](VarDescBind &var_desc) -> py::bytes {
             const VarDesc *desc = var_desc.Proto();
             PADDLE_ENFORCE(desc->IsInitialized(),
                            "VarDesc has not been initialized.");
             std::string res;
             PADDLE_ENFORCE(
                 desc->SerializeToString(&res),
                 "Serialize VarDesc Error. This could be a bug of Paddle.");
             return res;
           })
      .def("persistable", &VarDescBind::Persistable)
      .def("set_persistable", &VarDescBind::SetPersistable);
Y
Yu Yang 已提交
222 223 224 225

  py::enum_<VarDesc::VarType>(var_desc, "VarType", "")
      .value("LOD_TENSOR", VarDesc::LOD_TENSOR)
      .value("SELECTED_ROWS", VarDesc::SELECTED_ROWS);
226 227
}

F
fengjiayi 已提交
228
void BindOpDesc(py::module &m) {
F
fengjiayi 已提交
229
  py::enum_<AttrType>(m, "AttrType", "")
Y
Yu Yang 已提交
230 231 232 233 234 235 236 237 238 239
      .value("INT", AttrType::INT)
      .value("INTS", AttrType::INTS)
      .value("FLOAT", AttrType::FLOAT)
      .value("FLOATS", AttrType::FLOATS)
      .value("STRING", AttrType::STRING)
      .value("STRINGS", AttrType::STRINGS)
      .value("BOOL", AttrType::BOOLEAN)
      .value("BOOLS", AttrType::BOOLEANS)
      .value("BLOCK", AttrType::BLOCK);

F
fengjiayi 已提交
240 241 242 243 244 245 246 247 248 249 250 251 252 253 254
  py::class_<OpDescBind> op_desc(m, "OpDesc", "");
  op_desc.def("type", &OpDescBind::Type)
      .def("set_type", &OpDescBind::SetType)
      .def("input", &OpDescBind::Input)
      .def("input_names", &OpDescBind::InputNames)
      .def("set_input", &OpDescBind::SetInput)
      .def("output", &OpDescBind::Output)
      .def("output_names", &OpDescBind::OutputNames)
      .def("set_output", &OpDescBind::SetOutput)
      .def("has_attr", &OpDescBind::HasAttr)
      .def("attr_type", &OpDescBind::GetAttrType)
      .def("attr_names", &OpDescBind::AttrNames)
      .def("set_attr", &OpDescBind::SetAttr)
      .def("attr", &OpDescBind::GetAttr)
      .def("set_block_attr", &OpDescBind::SetBlockAttr)
255
      .def("block_attr", &OpDescBind::GetBlockAttr)
F
fengjiayi 已提交
256
      .def("check_attrs", &OpDescBind::CheckAttrs)
257 258 259 260 261 262 263 264 265 266 267
      .def("infer_shape", &OpDescBind::InferShape)
      .def("serialize_to_string", [](OpDescBind &op_desc) -> py::bytes {
        const OpDesc *desc = op_desc.Proto();
        PADDLE_ENFORCE(desc->IsInitialized(),
                       "OpDesc has not been initialized.");
        std::string res;
        PADDLE_ENFORCE(
            desc->SerializeToString(&res),
            "Serialize OpDesc Error. This could be a bug of Paddle.");
        return res;
      });
268
}
Y
Yu Yang 已提交
269

270
}  // namespace pybind
271
}  // namespace paddle