From 6d946f29f7548c75e97f30c4356dbac200ee6cce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89tienne=20Simon?= <esimon@esimon.eu>
Date: Mon, 18 May 2015 16:22:00 -0400
Subject: Refactor models, clean the code and separate training from testing.

---
 model/__init__.py | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'model/__init__.py')

diff --git a/model/__init__.py b/model/__init__.py
index e69de29..5c051f4 100644
--- a/model/__init__.py
+++ b/model/__init__.py
@@ -0,0 +1,36 @@
+from blocks.bricks import application, Initializable
+from blocks.bricks.lookup import LookupTable
+
+
+class ContextEmbedder(Initializable):
+    def __init__(self, config, **kwargs):
+        super(ContextEmbedder, self).__init__(**kwargs)
+        self.dim_embeddings = config.dim_embeddings
+        self.embed_weights_init = config.embed_weights_init
+
+        self.inputs = [ name for (name, _, _) in self.dim_embeddings ]
+        self.outputs = [ '%s_embedded' % name for name in self.inputs ]
+
+        self.lookups = { name: LookupTable(name='%s_lookup' % name) for name in self.inputs }
+        self.children = self.lookups.values()
+
+    def _push_allocation_config(self):
+        for (name, num, dim) in self.dim_embeddings:
+            self.lookups[name].length = num
+            self.lookups[name].dim = dim
+
+    def _push_initialization_config(self):
+        for name in self.inputs:
+            self.lookups[name].weights_init = self.embed_weights_init
+
+    @application
+    def apply(self, **kwargs):
+        return tuple(self.lookups[name].apply(kwargs[name]) for name in self.inputs)
+
+    @apply.property('inputs')
+    def apply_inputs(self):
+        return self.inputs
+
+    @apply.property('outputs')
+    def apply_outputs(self):
+        return self.outputs
-- 
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