Allow for multiple io pads per hier flow graph.

[debian/gnuradio] / grc / python / flow_graph.tmpl

diff --git a/grc/python/flow_graph.tmpl b/grc/python/flow_graph.tmpl
index ab764006c06e304f9a663a655b7a2edd66ed75bb..a1a9308aa30335fb2228a252536c2215421dd83c 100644 (file)
--- a/grc/python/flow_graph.tmpl
+++ b/grc/python/flow_graph.tmpl
@@ -65,15 +65,25 @@ class $(class_name)(gr.top_block):
        def __init__($param_str):
                gr.top_block.__init__(self, "$title")
 #elif $generate_options == 'hb'
-       #set $in_sig = $flow_graph.get_input_signature()
-       #set $out_sig = $flow_graph.get_output_signature()
+       #set $in_sigs = $flow_graph.get_input_signaturev()
+       #set $out_sigs = $flow_graph.get_output_signaturev()
 class $(class_name)(gr.hier_block2):
+#def make_io_sig($io_sigs)
+       #set $size_strs = ['%s*%s'%(io_sig['size'], io_sig['vlen']) for io_sig in $io_sigs]
+       #if len($io_sigs) == 0
+gr.io_signature(0, 0, 0)#slurp
+       #elif len($io_sigs) == 1
+gr.io_signature(1, 1, $size_strs[0])#slurp
+       #else
+gr.io_signaturev($(len($io_sigs)), $(len($io_sigs)), [$(', '.join($size_strs))])#slurp
+       #end if
+#end def
 
        def __init__($param_str):
                gr.hier_block2.__init__(
                        self, "$title",
-                       gr.io_signature($in_sig.nports, $in_sig.nports, $in_sig.size*$in_sig.vlen),
-                       gr.io_signature($out_sig.nports, $out_sig.nports, $out_sig.size*$out_sig.vlen),
+                       $make_io_sig($in_sigs),
+                       $make_io_sig($out_sigs),
                )
 #end if
 ########################################################