From 1976f137b2dc28fa6080f6df27755a5503956240 Mon Sep 17 00:00:00 2001
From: qiaolongfei <qiaolongfei@baidu.com>
Date: Tue, 9 May 2017 22:27:09 +0800
Subject: [PATCH] add attr() interface to layer

---
 python/paddle/v2/config_base.py | 5 +++++
 python/paddle/v2/topology.py    | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/python/paddle/v2/config_base.py b/python/paddle/v2/config_base.py
index b0e8da563e0..acda778e0ae 100644
--- a/python/paddle/v2/config_base.py
+++ b/python/paddle/v2/config_base.py
@@ -16,6 +16,7 @@ import collections
 import re
 from paddle.trainer_config_helpers.default_decorators import wrap_name_default
 import paddle.trainer_config_helpers as conf_helps
+from topology import Topology
 
 
 class LayerType(type):
@@ -161,6 +162,10 @@ class Layer(object):
         """
         return self.__context__[self.context_name()].size
 
+    def attr(self):
+        topo = Topology(self)
+        return topo.get_layer_proto(self.name)
+
 
 def __convert_to_v2__(method_name,
                       parent_names,
diff --git a/python/paddle/v2/topology.py b/python/paddle/v2/topology.py
index ff28c85c53d..1e46e4973f4 100644
--- a/python/paddle/v2/topology.py
+++ b/python/paddle/v2/topology.py
@@ -130,6 +130,12 @@ class Topology(object):
         return [(nm, data_layers[nm].type)
                 for nm in self.proto().input_layer_names]
 
+    def get_layer_proto(self, name):
+        for layer in self.__model_config__.layers:
+            if layer.name == name:
+                return layer
+        return None
+
 
 def __check_layer_type__(layer):
     if not isinstance(layer, v2_layer.LayerV2):
-- 
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