Only show the "__abstractmethods__" attribute for instances of abc.ABCMeta.

Trundle · Trundle · commit 016952b78d45 · 2010-01-25T15:10:13.000+01:00
This closes issue #97.
diff --git a/bpython/repl.py b/bpython/repl.py
@@ -46,6 +46,16 @@
 from bpython import importcompletion, inspection
 from bpython.formatter import Parenthesis
 
+# Needed for special handling of __abstractmethods__
+# abc only exists since 2.6, so check both that it exists and that it's
+# the one we're expecting
+try:
+    import abc
+    abc.ABCMeta
+    has_abc = True
+except (ImportError, AttributeError):
+    has_abc = False
+
 py3 = sys.version_info[0] == 3
 
 
@@ -339,6 +349,11 @@ def attr_lookup(self, obj, expr, attr):
         if hasattr(obj, '__class__'):
             words.append('__class__')
             words = words + rlcompleter.get_class_members(obj.__class__)
+            if has_abc and not isinstance(obj.__class__, abc.ABCMeta):
+                try:
+                    words.remove('__abstractmethods__')
+                except ValueError:
+                    pass
 
         matches = []
         n = len(attr)
