paramsaveload

1 files changed, 37 insertions, 0 deletions

diff --git a/paramsaveload.py b/paramsaveload.py
new file mode 100644
index 0000000..7181e9a
--- /dev/null
+++ b/paramsaveload.py
@@ -0,0 +1,37 @@
+import logging
+
+import numpy
+
+import cPickle
+
+from blocks.extensions import SimpleExtension
+
+logging.basicConfig(level='INFO')
+logger = logging.getLogger('extensions.SaveLoadParams')
+
+class SaveLoadParams(SimpleExtension):
+	def __init__(self, path, model, **kwargs):
+		super(SaveLoadParams, self).__init__(**kwargs)
+
+		self.path = path
+		self.model = model
+	
+	def do_save(self):
+		with open(self.path, 'w') as f:
+			logger.info('Saving parameters to %s...'%self.path)
+			cPickle.dump(model.get_param_values(), f, protocol=cPickle.HIGHEST_PROTOCOL)
+	
+	def do_load(self):
+		try:
+			with open(self.path, 'r') as f:
+				logger.info('Loading parameters from %s...'%self.path)
+				model.set_parma_values(cPickle.load(f))
+		except IOError:
+			pass
+
+	def do(self, which_callback, *args):
+		if which_callback == 'before_training':
+			self.do_load()
+		else:
+			self.do_save()
+