4 files changed, 6 insertions, 23 deletions
diff --git a/python/gras/CMakeLists.txt b/python/gras/CMakeLists.txt
index ca38324..8171e7f 100644
--- a/python/gras/CMakeLists.txt
+++ b/python/gras/CMakeLists.txt
@@ -23,7 +23,6 @@ GR_SWIG_MAKE(GRAS_Block GRAS_Block.i)
 GR_SWIG_MAKE(GRAS_HierBlock GRAS_HierBlock.i)
 GR_SWIG_MAKE(GRAS_ThreadPool GRAS_ThreadPool.i)
 GR_SWIG_MAKE(GRAS_SBuffer GRAS_SBuffer.i)
-GR_SWIG_MAKE(GRAS_IOSignature GRAS_IOSignature.i)
 GR_SWIG_INSTALL(
     TARGETS
     GRAS_Tags
@@ -31,7 +30,6 @@ GR_SWIG_INSTALL(
     GRAS_HierBlock
     GRAS_ThreadPool
     GRAS_SBuffer
-    GRAS_IOSignature
     DESTINATION ${GR_PYTHON_DIR}/gras
     COMPONENT ${GRAS_COMP_PYTHON}
 )
diff --git a/python/gras/GRAS_Block.i b/python/gras/GRAS_Block.i
index 1cf226e..9e7299c 100644
--- a/python/gras/GRAS_Block.i
+++ b/python/gras/GRAS_Block.i
@@ -186,7 +186,6 @@ struct BlockPython : Block
 import numpy
 import traceback
 from GRAS_Utils import pointer_to_ndarray
-from GRAS_IOSignature import IOSignature
 from PMC import *
 
 def sig_to_dtype_sig(sig):
@@ -205,11 +204,11 @@ class Block(BlockPython):
 
     def set_input_signature(self, sig):
         self.__in_sig = sig_to_dtype_sig(sig)
-        BlockPython.set_input_signature(self, IOSignature([s.itemsize for s in self.__in_sig]))
+        for i, n in enumerate(self.__in_sig): self.set_input_size(i, n.itemsize)
 
     def set_output_signature(self, sig):
         self.__out_sig = sig_to_dtype_sig(sig)
-        BlockPython.set_output_signature(self, IOSignature([s.itemsize for s in self.__out_sig]))
+        for i, n in enumerate(self.__out_sig): self.set_output_size(i, n.itemsize)
 
     def input_signature(self): return self.__in_sig
     def output_signature(self): return self.__out_sig
diff --git a/python/gras/GRAS_HierBlock.i b/python/gras/GRAS_HierBlock.i
index 9cd705e..f2a9b5a 100644
--- a/python/gras/GRAS_HierBlock.i
+++ b/python/gras/GRAS_HierBlock.i
@@ -104,17 +104,6 @@ struct HierBlockPython : HierBlock
     {
         //NOP
     }
-
-    HierBlockPython(
-        const std::string &name,
-        const IOSignature &input_signature,
-        const IOSignature &output_signature
-    ):
-        HierBlock(name)
-    {
-        this->set_input_signature(input_signature);
-        this->set_output_signature(output_signature);
-    }
 };
 
 }
@@ -151,8 +140,8 @@ def internal_connect__(fcn, obj, *args):
         fcn(obj, src, src_index, sink, sink_index)
 
 class TopBlock(TopBlockPython):
-    def __init__(self, *args, **kwargs):
-        TopBlockPython.__init__(self, *args, **kwargs)
+    def __init__(self, name="Top", *args, **kwargs):
+        TopBlockPython.__init__(self, name)
 
     def connect(self, *args):
         return internal_connect__(TopBlockPython.connect, self, *args)
@@ -161,8 +150,8 @@ class TopBlock(TopBlockPython):
         return internal_connect__(TopBlockPython.disconnect, self, *args)
 
 class HierBlock(HierBlockPython):
-    def __init__(self, *args, **kwargs):
-        HierBlockPython.__init__(self, *args, **kwargs)
+    def __init__(self, name="Hier", *args, **kwargs):
+        HierBlockPython.__init__(self, name)
 
         #backwards compatible silliness
         import weakref
diff --git a/python/gras/GRAS_IOSignature.i b/python/gras/GRAS_IOSignature.i
deleted file mode 100644
index 36f51dd..0000000
--- a/python/gras/GRAS_IOSignature.i
+++ /dev/null
@@ -1,3 +0,0 @@
-// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
-
-%include <gras/io_signature.i>