selector fix, issue with IO terminators

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@9781 221aa14e-8319-0410-a670-987f0aec2ac5

diff --git a/grc/src/grc_gnuradio/blks2/selector.py b/grc/src/grc_gnuradio/blks2/selector.py
index 2a3c6419340d75ddfd41e6e660f71531268f79b0..f0f6d5dd7ad96a00075903347f3fcff96cf97bf9 100644 (file)
--- a/grc/src/grc_gnuradio/blks2/selector.py
+++ b/grc/src/grc_gnuradio/blks2/selector.py
@@ -25,7 +25,7 @@ class selector(gr.hier_block2):
        """A hier2 block with N inputs and M outputs, where data is only forwarded through input n to output m."""
        def __init__(self, item_size, num_inputs, num_outputs, input_index, output_index):
                """
-               SelectorHelper constructor.
+               Selector constructor.
                @param item_size the size of the gr data stream in bytes
                @param num_inputs the number of inputs (integer)
                @param num_outputs the number of outputs (integer)
@@ -38,9 +38,9 @@ class selector(gr.hier_block2):
                        gr.io_signature(num_outputs, num_outputs, item_size),
                )
                #terminator blocks for unused inputs and outputs
-               self.input_terminators = [gr.null_sink(item_size)] * num_inputs
-               self.output_terminators = [gr.head(item_size, 0)] * num_outputs
-               self.copy = None
+               self.input_terminators = [gr.null_sink(item_size) for i in range(num_inputs)]
+               self.output_terminators = [gr.head(item_size, 0) for i in range(num_outputs)]
+               self.copy = gr.kludge_copy(item_size)
                #connections
                for i in range(num_inputs): self.connect((self, i), self.input_terminators[i])
                for i in range(num_outputs): self.connect(gr.null_source(item_size), self.output_terminators[i], (self, i))
@@ -65,7 +65,6 @@ class selector(gr.hier_block2):
                if self._indexes_valid():
                        self.disconnect((self, self.input_index), self.input_terminators[self.input_index])
                        self.disconnect(self.output_terminators[self.output_index], (self, self.output_index))
-                       self.copy = gr.skiphead(self.item_size, 0)
                        self.connect((self, self.input_index), self.copy)
                        self.connect(self.copy, (self, self.output_index))
                        self.connect(self.output_terminators[self.output_index], self.input_terminators[self.input_index])
@@ -79,8 +78,6 @@ class selector(gr.hier_block2):
                        self.disconnect((self, self.input_index), self.copy)
                        self.disconnect(self.copy, (self, self.output_index))
                        self.disconnect(self.output_terminators[self.output_index], self.input_terminators[self.input_index])
-                       del self.copy
-                       self.copy = None
                        self.connect((self, self.input_index), self.input_terminators[self.input_index])
                        self.connect(self.output_terminators[self.output_index], (self, self.output_index))