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| author | Georg Brandl <georg@python.org> | 2008-05-18 07:46:13 (GMT) |
|---|---|---|
| committer | Georg Brandl <georg@python.org> | 2008-05-18 07:46:13 (GMT) |
| commit | bf93b0470affd720a603805eb00c917a9bc39cc9 (patch) | |
| tree | 30cc457b9b52da94bbb3a0d8967689e2857e8f05 /Lib/_weakrefset.py | |
| parent | e624d17409e2d2b29db48752a7004525402bf023 (diff) | |
| download | cpython-bf93b0470affd720a603805eb00c917a9bc39cc9.zip cpython-bf93b0470affd720a603805eb00c917a9bc39cc9.tar.gz cpython-bf93b0470affd720a603805eb00c917a9bc39cc9.tar.bz2 | |
Fix two issues in the weak set implementation.
Diffstat (limited to 'Lib/_weakrefset.py')
| -rw-r--r-- | Lib/_weakrefset.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Lib/_weakrefset.py b/Lib/_weakrefset.py index e56ac04..a6827e8 100644 --- a/Lib/_weakrefset.py +++ b/Lib/_weakrefset.py @@ -41,7 +41,10 @@ class WeakSet: def pop(self): while True: - itemref = self.data.pop() + try: + itemref = self.data.pop() + except KeyError: + raise KeyError('pop from empty WeakSet') item = itemref() if item is not None: return item @@ -107,5 +110,5 @@ class WeakSet: __ixor__ = symmetric_difference_update def union(self, other): - self._apply_mutate(other, self.data.union) + return self._apply(other, self.data.union) __or__ = union |