Allows array-likes as Param's init.

This will turn anything with a `shape` and `dtype` into an
`df.init.array` initializer.

Author: lucasb-eyer

DeepFried2/Param.py

@@ -10,7 +10,12 @@ def __init__(self, shape, init, fan=None, name=None, learn=True, decay=True, dty
         self.fan = fan
         self.decay = decay
 
-        val = init(self.shape, self.fan).astype(dtype)
+        # Support a useful shortcut for initializing with an array-like:
+        # TODO: It would be nicer to use Python's buffer-interface.
+        if hasattr(init, 'shape') and hasattr(init, 'dtype'):
+            self.init = df.init.array(init)
+
+        val = self.init(self.shape, self.fan).astype(dtype)
         self.param = df.th.shared(val, name=name, **kw)
 
         if learn: