66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
#copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
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#
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#Licensed under the Apache License, Version 2.0 (the "License");
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#you may not use this file except in compliance with the License.
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#You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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#Unless required by applicable law or agreed to in writing, software
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#distributed under the License is distributed on an "AS IS" BASIS,
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#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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#See the License for the specific language governing permissions and
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#limitations under the License.
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import copy
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import importlib
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import paddle.nn as nn
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from . import backbone
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from .backbone import *
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from ppcls.arch.loss_metrics.loss import *
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from .utils import *
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def build_model(config):
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config = copy.deepcopy(config)
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model_type = config.pop("name")
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mod = importlib.import_module(__name__)
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arch = getattr(mod, model_type)(**config)
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return arch
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class RecModel(nn.Layer):
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def __init__(self, **config):
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super().__init__()
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backbone_config = config["Backbone"]
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backbone_name = backbone_config.pop("name")
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self.backbone = getattr(backbone_name)(**backbone_config)
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if "backbone_stop_layer" in config:
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backbone_stop_layer = config["backbone_stop_layer"]
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self.backbone.stop_layer(backbone_stop_layer)
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if "Neck" in config:
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neck_config = config["Neck"]
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neck_name = neck_config.pop("name")
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self.neck = getattr(neck_name)(**neck_config)
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else:
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self.neck = None
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if "Head" in config:
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head_config = config["Head"]
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head_name = head_config.pop("name")
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self.head = getattr(head_name)(**head_config)
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else:
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self.head = None
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def forward(self, x):
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y = self.backbone(x)
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if self.neck is not None:
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y = self.neck(y)
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if self.head is not None:
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y = self.head(y)
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return y
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