# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1342304085 -7200
# Node ID 0bcb66c8b6e2069c13acf85ceda39895f82d8902
# Parent  2ee8f1875f2c75a46ebf494255ea514f8128e2ce
Show only distinct attribute name lists when showing attribute usage for names.

diff -r 2ee8f1875f2c -r 0bcb66c8b6e2 micropython/report.py
--- a/micropython/report.py	Sat Jul 14 23:49:43 2012 +0200
+++ b/micropython/report.py	Sun Jul 15 00:14:45 2012 +0200
@@ -346,16 +346,26 @@
     def _attrcombined(self, name, node):
         attrcombined = node._attrcombined and node._attrcombined.get(name) or []
 
-        for attrnames in attrcombined:
-            if attrnames:
-                break
-        else:
+        # Since assigned values will not be shown, produce a sorted list of
+        # distinct attribute name lists.
+
+        all_attrnames = set()
+        for usage in attrcombined:
+            if usage:
+                all_attrnames.add(tuple(usage.keys()))
+
+        if not all_attrnames:
             return False
 
+        all_attrnames = list(all_attrnames)
+        all_attrnames.sort()
+
+        # Write the lists of attribute names.
+
         self._name_start()
         self.stream.write(name)
         self._popup_start()
-        for attrnames in attrcombined:
+        for attrnames in all_attrnames:
             self._attrnames(attrnames)
         self._popup_end()
         self._name_end()