diff options
Diffstat (limited to 'Lib')
-rw-r--r-- | Lib/rlcompleter.py | 8 | ||||
-rw-r--r-- | Lib/test/test_rlcompleter.py | 13 |
2 files changed, 18 insertions, 3 deletions
diff --git a/Lib/rlcompleter.py b/Lib/rlcompleter.py index 613848f..d368876 100644 --- a/Lib/rlcompleter.py +++ b/Lib/rlcompleter.py @@ -159,9 +159,11 @@ class Completer: while True: for word in words: if (word[:n] == attr and - not (noprefix and word[:n+1] == noprefix) and - hasattr(thisobject, word)): - val = getattr(thisobject, word) + not (noprefix and word[:n+1] == noprefix)): + try: + val = getattr(thisobject, word) + except Exception: + continue # Exclude properties that are not set word = self._callable_postfix(val, "%s.%s" % (expr, word)) matches.append(word) if matches or not noprefix: diff --git a/Lib/test/test_rlcompleter.py b/Lib/test/test_rlcompleter.py index 2ff0788..fee39bc 100644 --- a/Lib/test/test_rlcompleter.py +++ b/Lib/test/test_rlcompleter.py @@ -79,6 +79,19 @@ class TestRlcompleter(unittest.TestCase): ['egg.{}('.format(x) for x in dir(str) if x.startswith('s')]) + def test_excessive_getattr(self): + # Ensure getattr() is invoked no more than once per attribute + class Foo: + calls = 0 + @property + def bar(self): + self.calls += 1 + return None + f = Foo() + completer = rlcompleter.Completer(dict(f=f)) + self.assertEqual(completer.complete('f.b', 0), 'f.bar') + self.assertEqual(f.calls, 1) + def test_complete(self): completer = rlcompleter.Completer() self.assertEqual(completer.complete('', 0), '\t') |