Merged inplace and non inplace append and extend

theano/typed_list/basic.py

@@ -91,6 +91,12 @@ class Append(Op):
     """
     #append an element at the end of another list
     """
+
+    def __init__(self, inplace=False):
+        self.inplace = inplace
+        if self.inplace:
+            self.destroy_map = {0: [0]}
+
     def __eq__(self, other):
         return type(self) == type(other)
 
@@ -103,17 +109,26 @@ class Append(Op):
         return Apply(self, [x, toAppend], [x.type()])
 
     def perform(self, node, (x, toAppend), (out, )):
-        out[0] = list(x)
+        if self.inplace:
+            out[0] = list(x)
+        else:
+            out[0] = x
         out[0].append(toAppend)
 
     def __str__(self):
         return self.__class__.__name__
 
 
-class ExtendInplace(Op):
+class Extend(Op):
     """
     append all element of a list at the end of another list
     """
+
+    def __init__(self, inplace=False):
+        self.inplace = inplace
+        if self.inplace:
+            self.destroy_map = {0: [0]}
+
     def __eq__(self, other):
         return type(self) == type(other)
 
@@ -126,19 +141,18 @@ class ExtendInplace(Op):
         return Apply(self, [x, toAppend], [x.type()])
 
     def perform(self, node, (x, toAppend), (out, )):
-        out[0] = x
+        if self.inplace:
+            out[0] = list(x)
+        else:
+            out[0] = x
         out[0].extend(toAppend)
 
     def __str__(self):
         return self.__class__.__name__
 
-    destroy_map = {0: [0]}
 
+class Insert(Op):
 
-class Extend(Op):
-    """
-    append all element of a list at the end of another list
-    """
     def __eq__(self, other):
         return type(self) == type(other)
 
@@ -150,7 +164,7 @@ class Extend(Op):
         assert x.type == toAppend.type
         return Apply(self, [x, toAppend], [x.type()])
 
-    def perform(self, node, (x, toAppend), (out, )):
+    def perform(self, node, (x, index, toAppend), (out, )):
         out[0] = list(x)
         out[0].extend(toAppend)
 

theano/typed_list/tests/test_basic.py

@@ -7,7 +7,7 @@ import theano.typed_list
 from theano import tensor as T
 from theano.tensor.type_other import SliceType
 from theano.typed_list.type import TypedListType
-from theano.typed_list.basic import (GetItem, AppendInplace, ExtendInplace,
+from theano.typed_list.basic import (GetItem,
                                       Append, Extend)
 from theano.tests import unittest_tools as utt
 
@@ -114,7 +114,7 @@ class test_append(unittest.TestCase):
                             theano.config.floatX, (False, False)))()
         myMatrix = T.matrix()
 
-        z = AppendInplace()(mySymbolicMatricesList, myMatrix)
+        z = Append(True)(mySymbolicMatricesList, myMatrix)
 
         f = theano.function([mySymbolicMatricesList, myMatrix], z,
                             accept_inplace=True)
@@ -164,7 +164,7 @@ class test_extend(unittest.TestCase):
         mySymbolicMatricesList2 = TypedListType(T.TensorType(
                             theano.config.floatX, (False, False)))()
 
-        z = ExtendInplace()(mySymbolicMatricesList1, mySymbolicMatricesList2)
+        z = Extend(True)(mySymbolicMatricesList1, mySymbolicMatricesList2)
 
         f = theano.function([mySymbolicMatricesList1, mySymbolicMatricesList2],
                             z, accept_inplace=True)