add onnx op

x2paddle/core/program.py

@@ -322,6 +322,9 @@ class PaddleGraph(object):
         if self.source_type == "caffe":
             custom_import = "from x2paddle.op_mapper.static.caffe2paddle " + \
                              "import caffe_custom_layer as x2paddle_nn"
+        if self.source_type == "onnx":
+            custom_import = "from x2paddle.op_mapper.static.onnx2paddle " + \
+                             "import onnx_custom_layer as x2paddle_nn"
         else:
             custom_import = ""
 

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

@@ -16,8 +16,6 @@ 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')

x2paddle/op_mapper/static/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 one_hot
+from .pad import custom_pad
\ No newline at end of file

x2paddle/op_mapper/static/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
+
+def one_hot(self, indices, depth, values, axis):
+    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 = 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/static/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
+
+def custom_pad(self, x, pad, value, mode):
+    layer_attrs = {}
+    layer_attrs['mode'] = string(mode)
+    layer_attrs['data_format'] = string('NCHW')
+    layer_attrs['value'] = value
+    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/static/onnx2paddle/opset9/opset.py

@@ -368,6 +368,14 @@ 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]
@@ -375,6 +383,7 @@ 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'
@@ -423,6 +432,23 @@ class OpSet9():
                     outputs=[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!")
+            layer_attrs['value'] = value
+            self.paddle_graph.add_layer(
+                "custom_layer:custom_pad", 
+                inputs={'x': val_x.name, 'pad': val_pad.name}, 
+                outputs=[node.name + '_paded'], 
+                **layer_attrs)
+            if not op_independent:
+                return node.name + '_paded'
 
     @print_mapping_info
     def Unsqueeze(self, node):
@@ -622,7 +648,7 @@ 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
@@ -817,7 +843,7 @@ 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)):
@@ -990,7 +1016,7 @@ 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):
@@ -1588,3 +1614,45 @@ 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):
+        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:one_hot", 
+            inputs={"indices": indices.name,
+                    "depth": depth.name,
+                    "values": values.name}, 
+            outputs=[node.name],
+            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])
\ No newline at end of file