Merge pull request #3984 from nouiz/Param

theano/__init__.py

@@ -67,7 +67,7 @@ from theano.compile import (
     predefined_modes, predefined_linkers, predefined_optimizers,
     FunctionMaker, function, function_dump, OpFromGraph,
     ProfileMode, ProfileStats,
-    shared, as_op)
+    Param, shared, as_op)
 
 from theano.misc.safe_asarray import _asarray
 

theano/compile/__init__.py

@@ -22,7 +22,7 @@ from theano.compile.profilemode import ProfileMode
 
 from theano.compile.sharedvalue import (shared, shared_constructor,
                                         SharedVariable)
-from theano.compile.pfunc import pfunc, rebuild_collect_shared
+from theano.compile.pfunc import pfunc, Param, rebuild_collect_shared
 
 from theano.compile.builders import *
 

theano/compile/pfunc.py

@@ -2,8 +2,11 @@
 Provide a simple user friendly API.
 
 """
-from theano import config
+import warnings
+
 from six import iteritems
+
+from theano import config
 from theano.compile import orig_function, In, Out
 from theano.compile import UnusedInputError
 from theano.compile.sharedvalue import SharedVariable, shared
@@ -261,6 +264,21 @@ def rebuild_collect_shared(outputs,
             [clone_d, update_d, update_expr, shared_inputs])
 
 
+class Param(In):
+    """Deprecated. Use In instead."""
+    def __init__(self, variable, default=None, name=None, mutable=False,
+                 strict=False, allow_downcast=None, implicit=None,
+                 borrow=None):
+        warnings.warn(
+            "The Param class is deprecated. Replace Param(default=N)"
+            " by theano.In(value=N)",
+            stacklevel=2)
+        super(Param, self).__init__(
+            variable, name=name, value=default, mutable=mutable,
+            strict=strict, allow_downcast=allow_downcast,
+            implicit=implicit, borrow=borrow)
+
+
 def pfunc(params, outputs=None, mode=None, updates=None, givens=None,
           no_default_updates=False, accept_inplace=False, name=None,
           rebuild_strict=True, allow_input_downcast=None,