add onnx op

x2paddle/core/program.py

@@ -471,6 +471,9 @@ class PaddleGraph(object):
             elif self.source_type == "pytorch":
                 custom_import = "from x2paddle.op_mapper.dygraph.pytorch2paddle " + \
                                  "import pytorch_custom_layer as x2paddle_nn"
+            elif self.source_type == "onnx":
+                custom_import = "from x2paddle.op_mapper.dygraph.onnx2paddle " + \
+                                 "import onnx_custom_layer as x2paddle_nn"
             else:
                 custom_import = ""
             self.head = gen_codes(

x2paddle/op_mapper/dygraph/onnx2paddle/onnx_custom_layer/__init__.py

+# Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
+#
+# 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.
+
+
+from .one_hot import OneHot
+from .pad import CustomPad
\ No newline at end of file

x2paddle/op_mapper/dygraph/onnx2paddle/onnx_custom_layer/one_hot.py

+# Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
+#
+# 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.
+
+import paddle
+
+class OneHot(object):
+    def __init__(self, axis):
+        self.axis = axis
+        
+    def __call__(self, indices, depth, values):
+        indices_shape = paddle.shape(indices)
+        tmp = paddle.ones_like(indices_shape, dtype="int32")
+        rank = paddle.sum(tmp)
+        depth_range = paddle.arange(end=depth)
+        zero = paddle.zeros([1], dtype="int32")
+        one = paddle.ones([1], dtype="int32")
+        axis = self.axis * one
+        new_axis = axis + rank + 1
+        cond = paddle.less_than(axis, zero)
+        real_axis = paddle.where(cond, new_axis, axis)
+        ls = paddle.slice(indices_shape, axes=[0], starts=[0], ends=real_axis)
+        rs = paddle.slice(indices_shape, axes=[0], starts=real_axis, ends=rank)
+        tmp = paddle.ones_like(ls, dtype="int32")
+        ls_len = paddle.sum(tmp)
+        ls_list = paddle.ones(ls_len, dtype="int32")
+        tmp = paddle.ones_like(rs, dtype="int32")
+        rs_len = paddle.sum(tmp)
+        rs_list = paddle.ones(rs_len, dtype="int32")
+        depth_range_shape = paddle.shape(depth_range)
+        targets_shape = paddle.concat([ls_list, depth_range_shape, rs_list], axis=0)
+        targets = paddle.reshape(depth_range, targets_shape)
+        mod = paddle.mod(indices, depth)
+        v_shape = paddle.concat([ls, paddle.shape(one), rs], axis=0)
+        v = paddle.reshape(mod, v_shape)
+        out = targets == v
+        out = paddle.cast(out, "float32")
+        on_value = paddle.slice(values, axes=[0], starts=[1], ends=[2])
+        off_value = paddle.slice(values, axes=[0], starts=[0], ends=[1])
+        out = out * (on_value - off_value) + off_value
+        return out
\ No newline at end of file

x2paddle/op_mapper/dygraph/onnx2paddle/onnx_custom_layer/pad.py

+# Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
+#
+# 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.
+
+import paddle
+
+class CustomPad(object):
+    def __init__(self, value, mode):
+        self.value = value
+        self.assume_pad2d = assume_pad2d
+        self.layer_attrs = {}
+        self.layer_attrs['mode'] = string(mode)
+        self.layer_attrs['data_format'] = string('NCHW')
+        self.layer_attrs['value'] = value
+
+        
+    def __call__(self, x, pad):
+        pad = paddle.reshape(pad, shape=[2, -1])
+        pad = paddle.transpose(pad, perm=[1, 0])
+        pad = paddle.reverse(pad, axis=[0])
+        pad = paddle.flatten(pad)
+        out = paddle.nn.functional.pad(x=x, pad=pad, **self.layer_attrs)
+        return out
\ No newline at end of file

x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py

@@ -104,6 +104,9 @@ class OpSet9():
         'ReduceMax': ['paddle.max', 
                       dict(axes='axis', keepdims='keepdim'), 
                       dict(keepdim=1)],
+        'ReduceProd': ['paddle.prod', 
+                      dict(axes='axis', keepdims='keepdim'), 
+                      dict(keepdim=1)],
         # active function
         'Relu': ['paddle.nn.ReLU'],
         'LeakyRelu': ['paddle.nn.LeakyReLU', 
@@ -379,6 +382,14 @@ class OpSet9():
     def Pad(self, node, op_independent=True):
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         pads = node.get_attr('pads')
+        is_pads_attr = True
+        if pads is None:
+            val_pad = self.graph.get_input_node(node, idx=1, copy=True)
+            pad_shape = val_pad.out_shapes[0]
+            is_pads_attr = False
+            pads = _const_weight_or_none(val_pad)
+            if pads is not None:
+                is_pads_attr = True
         mode = node.get_attr('mode', 'constant')
         value = node.get_attr('value', 0.)
         data_shape = val_x.out_shapes[0]
@@ -386,6 +397,7 @@ class OpSet9():
         assume_pad2d = False
         layer_attrs = {}
         layer_attrs['mode'] = string(mode)
+        if is_pads_attr:
             paddings = []
             if len(pads) == 4:
                 assume_pad2d |= mode != 'constant'
@@ -436,6 +448,26 @@ class OpSet9():
                         else [node.name + '_paded'],
                     **layer_attrs)
                 return node.name + '_paded'
+        else:
+            if pad_shape[0] == 4:
+                assume_pad2d |= mode != 'constant'
+                if data_shape:
+                    assume_pad2d |= data_shape and len(data_shape) == 4  # NCHW
+                if output_shape:
+                    assume_pad2d |= output_shape and len(output_shape) == 4  # NCHW
+            if pad_shape[0] == 8 or not assume_pad2d:
+                raise Exception("When the pad shape is 8 and pad is tensor, the op is not supported yet!")
+            nn_op_name = name_generator("custom_pad", self.nn_name2id)
+            output_name = node.name + '_paded'
+            layer_outputs = [nn_op_name, output_name]
+            layer_attrs['value'] = value
+            self.paddle_graph.add_layer(
+                "custom_layer:CustomPad", 
+                inputs={'x': val_x.name, 'pad': val_pad.name}, 
+                outputs=layer_outputs, 
+                **layer_attrs)
+            if not op_independent:
+                return node.name + '_paded'
 
     @print_mapping_info
     def Unsqueeze(self, node):
@@ -637,7 +669,7 @@ class OpSet9():
                 self.paddle_graph.add_layer(
                     'paddle.cast',
                     inputs={"x": indices.name},
-                    outputs=indices_cast,
+                    outputs=[indices_cast],
                     dtype=string('int64'))
                 op_name = name_generator("embedding", self.nn_name2id)
                 output_name = node.name
@@ -832,7 +864,7 @@ class OpSet9():
                 "starts": starts.name,
                 "ends": ends.name
             }
-            if starts_value is not None and ends_value is not None:
+            if starts_value is not None and ends_value is not None and axes is not None:
                 starts_value = starts_value.copy()
                 ends_value = ends_value.copy()
                 #for idx in range(len(ends_value)):
@@ -862,6 +894,8 @@ class OpSet9():
                     layer_attrs['starts'] = starts_cast
                 if ends.dtype != 'int32':
                     ends_cast = ends.name + '_cast'
+                else:
+                    ends_cast = ends.name
                 self.paddle_graph.add_layer(
                     'paddle.cast',
                     inputs={"x": ends.name},
@@ -1006,7 +1040,7 @@ class OpSet9():
                 'paddle.reshape',
                 inputs={'x': val_x.name,
                         'shape': val_shape.name},
-                outputs=node)
+                outputs=[node.name])
 
     @print_mapping_info
     def Cast(self, node):
@@ -1634,3 +1668,48 @@ class OpSet9():
             inputs={"x": val_x.name}, 
             outputs=[node.name],
             **layer_attrs)
+        
+    @print_mapping_info
+    def Size(self, node):
+        val_x = self.graph.get_input_node(node, idx=0, copy=True)
+        self.paddle_graph.add_layer(
+            "paddle.shape", 
+            inputs={"x": val_x.name}, 
+            outputs=[node.name])
+        self.paddle_graph.add_layer(
+            "paddle.prod",
+            inputs={"x": node.name},
+            outputs=[node.name])
+        
+    @print_mapping_info
+    def Sign(self, node):
+        val_x = self.graph.get_input_node(node, idx=0, copy=True)
+        self.paddle_graph.add_layer(
+            "paddle.sign", 
+            inputs={"x": val_x.name}, 
+            outputs=[node.name])
+        
+    @print_mapping_info
+    def OneHot(self, node):
+        nn_op_name = name_generator("onehot", self.nn_name2id)
+        output_name = node.name
+        layer_outputs = [nn_op_name, output_name]
+        indices = self.graph.get_input_node(node, idx=0, copy=True)
+        depth = self.graph.get_input_node(node, idx=1, copy=True)
+        values = self.graph.get_input_node(node, idx=2, copy=True)
+        axis = node.get_attr('axis', -1)
+        self.paddle_graph.add_layer(
+            "custom_layer:OneHot", 
+            inputs={"indices": indices.name,
+                    "depth": depth.name,
+                    "values": values.name}, 
+            outputs=layer_outputs,
+            axis=axis)
+    
+    @print_mapping_info
+    def Reciprocal(self, node):
+        val_x = self.graph.get_input_node(node, idx=0, copy=True)
+        self.paddle_graph.add_layer(
+            "paddle.reciprocal", 
+            inputs={"x": val_x.name}, 
+            outputs=[node.name])

x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_custom_layer/gather.py

@@ -13,8 +13,6 @@
 # limitations under the License.
 
 import paddle
-from itertools import product
-import numpy as np
 
 class Gather(object):
     def __init__(self, dim):